Page 1 Service Manual Wheel loader WL34 Vehicle type 2070CX Date 10/2017 Document Number 1000373602 Language [en]...
Page 2 No reproduction or translation of this publication, in whole or part, without the written consent of Wacker Neuson Violations of legal regulations, in particular of the copyright protection, shall be subject to civil and criminal prosecution.
Page 3 Safety instructions for work on the frame ..................E-33 Safety instructions for work on the electrical system ................E-35 Safety instructions for work on the wheels ..................E-35 E.5 Special tools ............................E-36 Claws and extractors ........................E-36 Clamp ...............................E-36 SHB WL34 * 2.0 * [en]...
Page 4 1.9 Cooling system ........................... 1-41 Information on the cooling system ....................1-41 Information on the coolant ........................ 1-41 Checking/adding/changing coolant ....................1-42 Checking the antifreeze mixture ....................... 1-43 Cleaning the cooling system ......................1-44 SHB WL34 * 2.0 * [en]...
Page 5 2.1 Perkins engine 404D-22 (35.7 kW)....................... 2-1 Overview ............................. 2-2 Adjust idle speed ..........................2-5 Removing/installing the engine ......................2-5 Removing/installing the starter ......................2-9 Alternator ............................2-10 2.2 Perkins engine 404F-22 (35.7 KW) ....................2-11 Overview ............................2-12 SHB WL34 * 2.0 * [en]...
Page 6 5.1 Front axle.............................. 5-1 Overview ............................. 5-1 Removing/installing the front axle ....................... 5-2 5.2 Rear axle .............................. 5-5 Overview ............................. 5-5 Removing/installing the rear axle ......................5-5 5.3 Type label – front/rear axle ........................5-9 SHB WL34 * 2.0 * [en]...
Page 7 Removing/installing the control valve ....................8-25 8.15 Designation of hydraulic components....................8-27 8.16 Hydraulic circuit diagram HDM19/3 with HDS15/1 ................8-29 8.17 Hydraulic circuit diagram – HDM19/4 ....................8-31 8.18 Hydraulic circuit diagram HDM19/4 M-Drive..................8-33 SHB WL34 * 2.0 * [en]...
Page 8 11.2 Removing/installing the starter ......................11-3 11.3 Removing/installing the 12 V connector ..................... 11-5 11.4 Heating ............................... 11-7 Removing/installing the heating blower .................... 11-7 Removing/installing the heater box ....................11-10 11.5 Removing/installing the wiper motor....................11-11 SHB WL34 * 2.0 * [en]...
Page 9 K109 – Roll-in stop relay ......................... 13-10 S002 – Engine oil pressure switch ....................13-10 S005 – Hydraulic oil filter clogging pressure switch ................ 13-11 S006 – Hydraulic oil temperature switch ..................13-11 Index SHB WL34 * 2.0 * [en]...
Page 10 SHB WL34 * 2.0 * [en]...
Page 11 Introduction Introduction Notice on this service manual Notice on this service manual Introduction Notice on this service manual...
Page 12 Technical data, dimensions and weights are only given as an indication. Responsibility for errors or omissions not accepted. Deviations of images are possible. Information Careful and prudent working is the best way to avoid accidents! SHB WL34 * 2.0...
Page 13 Order, item or part number Operating hours Oil and fuel identifiers Failure Mode Identifier FOPS Falling Object Protective Structure (opt) Option ROPS Roll Over Protective Structure Quickhitch (loader unit) (WSxx) Wrench size, for example WS13 = wrench size 13 SHB WL34 * 2.0...
Page 14 Use only spare parts, accessories and accessory devices that are originally from Wacker Neuson and have been inspected and approved by Wacker Neuson. This is essential to preserve the design characteristics and functionality of the Wacker Neuson vehicle. Original parts from Wacker Neuson also preserve the vehicle's active and/or passive driving safety as well as its operational safety.
Page 15 Four-cylinder diesel engine Type TD 2011 L04 w Capacity cm³ (inch³) 3619 (221) Cooling Water 2300 Output kW (hp) 55.1 (74.1) Permissible inclination Maximum permissible slope With a lowered loader unit: 25° < 25° Fig. 1 SHB WL34 * 2.0...
Page 16 0 – 20 (12.4) Optional travel speed kph (mph) 0 – 28 (17.4) Brakes Service brake Description of service brake Hydraulic drum brake. On both axles via cardan Design shaft Location Front axle Brake fluid ATF oil SHB WL34 * 2.0...
Page 17 4.0 (58) 31x15.5-15AS 3.1 (45) 33x15.5-15RP 3.0 (44) Steering system Description and data of steering system Fully hydraulic oscillating articulation with double-action hydraulic cylin- Operating pressure bar (psi) 190 (2756) Articulation angle ° Oscillation angle ° SHB WL34 * 2.0...
Page 18 % by volume % by volume -37 (-34.6) 1. Use the 1:1 concentration for warm outside temperatures too in order to ensure protection against cor- rosion, cavitation and deposits. 2. Do not mix the coolant with other coolants. SHB WL34 * 2.0...
Page 19 (2.99 ft/s²) (1.61 ft/s²) (1.08 ft/s²) (1.15 ft/s²) (0.56 ft/s²) V-shape operation 0.99 m/s² 0.84 m/s² 0.54 m/s² 0.29 m/s² 0.32 m/s² 0.14 m/s² (loading) (3.25 ft/s²) (2.76 ft/s²) (1.77 ft/s²) (0.95 ft/s²) (1.05 ft/s²) (0.46 ft/s²) SHB WL34 * 2.0...
Page 20 Permissible load-carrying capacity with pallet forks 850 (1874) Permissible trailer weight with braked trailer (max. 10 % 5000 (11023) slope) Permissible trailer weight with unbraked trailer (max. 750 (1654) 10 % slope) Permissible drawbar load on trailer coupling 75 (165) E-10 SHB WL34 * 2.0...
Page 21 Introduction E Technical data Dimensions Fig. 2 E-11 SHB WL34 * 2.0...
Page 22 Width across protective roof for operator/cabin 1146 45.12 Track width 1132 44.57 Maximum radius 3689 145.24 (depends on bucket width) All dimensions with tires 11.5/80-15.3 AS *Dimensions differ if other tires or reversed wheel rims are used E-12 SHB WL34 * 2.0...
Page 23 These values are valid for screws with untreated, non-lubricated surfaces. Specific tightening torques Designation Screw dimensions Tightening torque M14 x 1.5 150 Nm Wheel nut M18 x 1.5 285 Nm M20 x 1.5 400 Nm High-pressure 22 Nm limiting valve E-13 SHB WL34 * 2.0...
Page 24 Hexagon head cap screw 83.5 ISO 4014 to ISO 4018 Cheese-head screws ISO 4762 Hexagon nuts ISO 4032 1022 1196 1058 1506 1763 1437 2046 2395 1944 2770 3240 2500 3561 4167 3237 4610 5394 E-14 SHB WL34 * 2.0...
Page 25 M27 x 1.5 1173 1672 1956 M27 x 2 1135 1617 1892 M30 x 2 1580 2251 2634 M33 x 2 2116 3015 3528 M36 x 2 2773 3951 4623 M39 x 2 3557 5067 5930 E-15 SHB WL34 * 2.0...
Page 26 Tightening torques for hydraulic screw connections and climate screw fixtures with taper connections and O-rings DIN 3865 Outside tube diam- Tightening torque Tightening torque eter (light-weight series) (heavy-weight series) in mm in Nm in Nm E-16 SHB WL34 * 2.0...
Page 27 Introduction E Tightening torques Tightening torques for hydraulic screw connections with cutting ring DIN 3861 Outside tube diam- Tightening torque Tightening torque eter (light-weight series) (heavy-weight series) in mm in Nm in Nm E-17 SHB WL34 * 2.0...
Page 28 9/16 - 18 (14.3 mm) 3/4 - 16 (19.1 mm) 7/8 - 14 (22.2 mm) 1-1/16 - 12 (27 mm) 1-5/16 - 12 (33.3 mm) 1-5/8-12 (UNF) 1-7/8 - 12 (UNF) 2 - 12 (UNF) E-18 SHB WL34 * 2.0...
Page 29 9/16 - 18 (14.3 mm) 3/4 - 16 (19.1 mm) 7/8 - 14 (22.2 mm) 1-1/16 - 12 (27 mm) 1-5/16 - 12 (33.3 mm) 1-5/8-12 (UNF) 1-7/8 - 12 (UNF) 2 - 12 (UNF) E-19 SHB WL34 * 2.0...
Page 30 Tightening torque (light-weight series) (heavy-weight series) Dimension in Nm in Nm G 1/8 A G 1/4 A G 3/8 A G 1/2 A G 3/4 A G 1 A G 1-1/4 A G 1-1/2 A E-20 SHB WL34 * 2.0...
Page 31 Dimension Tightening torque in Nm M8 x 1 M10 x 1 M12 x 1.5 M14 x 1.5 M16 x 1.5 M18 x 1.5 M20 x 1.5 M22 x 1.5 M26 x 1.5 M30 x 1.5 E-21 SHB WL34 * 2.0...
Page 32 9/16 - 18 (14.3 mm) 3/4 - 16 (19.1 mm) 7/8 - 14 (22.2 mm) 1-1/16 - 12 (27 mm) 1-5/16 - 12 (33.3 mm) 1-5/8-12 (UNF) 1-7/8 - 12 (UNF) 2 - 12 (UNF) E-22 SHB WL34 * 2.0...
Page 33 M27 x 2 M33 x 2 M42 x 2 M48 x 2 G 1/8 A G 1/4 A G 3/8 A G 1/2 A G 3/4 A G 1 A G 1-1/4 A G 1-1/2 A E-23 SHB WL34 * 2.0...
Page 34 4.5 ± 0.5 Nm (40 ± 4 lb in) Tightening torques for spring-loaded worm drive hose clamps Clamp width Clamp diameter Tightening torque 12 mm 60 - 80 mm 5 + 0.5 Nm 12 mm 70 - 90 mm 5 + 0.5 Nm E-24 SHB WL34 * 2.0...
Page 35 NOTICE identifies a situation that causes damage to the machine if it is not observed. ► Avoidance of damage to property. The warning and safety signs attached to the machine provide important information for safe operation. Compliance is for your safety. E-25 SHB WL34 * 2.0...
Page 36 • If the machine is taken out of operation for a longer period of time, switch off the battery master switch. • Never leave the machine untended as long as the engine is still running! E-26 SHB WL34 * 2.0...
Page 37 • If the machine is used in areas with special hazards (for example toxic gases, caustic vapors, toxic environments), wear appropriate protective equipment (breathing filters, protective clothing)! E-27 SHB WL34 * 2.0...
Page 38 Removing components • Burn hazard due to hot parts or liquids! Do not remove components as long as the machine is at operating temperature! • Clean components thoroughly before removing them! E-28 SHB WL34 * 2.0...
Page 39 Check the function of the machine, particularly of the repaired compo- nents, during trial operation! Ensure that no one is in the danger zone of the loader. • Do not release the machine for operation before everything functions properly! E-29 SHB WL34 * 2.0...
Page 40 Avoid environmental damage! Do not allow the oil and oily wastes to get into the ground or stretches of water! • Even biodegradable, “environmentally friendly” oil must be disposed of separately, just like every other type of oil. E-30 SHB WL34 * 2.0...
Page 41 Always use a suitable container to collect the drained hydraulic oil. • Dispose of spilled oil and oily wastes in an environmentally friendly manner. • Handle O-rings, quad rings and seals with special care. • Replace damaged or lost O-rings, quad-rings and seals immediately. E-31 SHB WL34 * 2.0...
Page 42 Environment The air-conditioning system is filled with an HFC refrigerant which can damage the atmosphere. Be particularly careful when working on the air conditioning system. Refrigerant must always be extracted and recycled properly E-32 SHB WL34 * 2.0...
Page 43 - Hydraulic cylinders, lines and hoses - Axles - Pins - Bearings - Exhaust System - Ground cable, cables in general • No welding work must be performed on the following components: - Diesel engine E-33 SHB WL34 * 2.0...
Page 44 ► Keep components at a safe distance from the weld with appropriate means. ► Ensure that the rear side of the weld is free from components which can be damaged. If necessary, remove them or keep them at a safe distance with appropriate means. E-34 SHB WL34 * 2.0...
Page 45 Dispose of old batteries in an environmentally friendly manner and separately from other waste! Safety instructions for work on the wheels • Sufficient knowledge and assembly tools in accordance with regula- tions are required for mounting tires! • Re-tighten the wheel nuts regularly! E-35 SHB WL34 * 2.0...
Page 46 Sheet metal Knurled nut Sizes Fig. 4 Item Diameter of the flexible line [mm] Article number Up to 10 KL-0121-1 Up to 15 KL-0121-2 Up to 24 KL-0121-3 Up to 45 KL-0121-4 E-36 SHB WL34 * 2.0...
Page 47 Introduction E Special tools Supplier The hose clamps are available via: KLANN Spezial-Werkzeugbau-GmbH Breslauerstraße 41 78166 Donaueschingen E-37 SHB WL34 * 2.0...
Page 48 E Introduction Special tools E-38 SHB WL34 * 2.0...
Page 49 Operation Overview of control elements Operation Overview of control elements Fig. 5...
Page 50 Control lever for auxiliary hydraulics (3rd control circuit) Control lever for manual throttle (optional) Radio Operator seat Parking brake control lever Switch panel 1 Control elements not shown in overview Switch panel 3 (on the right on the cabin roof) SHB WL34 * 2.0...
Page 51 Warning light “Engine oil pressure” (red) Alternator warning light (red) Preheating indicator light (yellow) Indicator light “DPF regeneration required” (yellow) Indicator light “Suppress DPF regeneration” (yellow) Indicator light “DPF regeneration active” (yellow) High beam indicator light (blue) Display SHB WL34 * 2.0...
Page 52 Rear view Control elements Scroll wheel for 3rd control circuit (option) Differential lock button Information Depending on the vehicle configuration, the control wheel 39 may be present, but may be equipped without a function. Fig. 8 SHB WL34 * 2.0...
Page 53 Heating temperature Fig. 9 Fig. 10 Overview of switch panels Switch panel 1 Working lights switch Front wiper/washer system switch Rotating beacon switch Power outlet switch (not assigned) Hazard warning system switch Hydraulic-lock switch Fig. 11 SHB WL34 * 2.0...
Page 54 Fig. 12 Switch panel 3 (on the right on the cabin roof) Not assigned Rear window heating switch (option) Rear wiper/washer system switch (option) Information Switch panel assignment may differ depending on machine configuration. Fig. 13 SHB WL34 * 2.0...
Page 55 Illuminates or flashes in case of one or more errors in the engine electronics. • Stop the engine. ➥ An error code appears in the machine display – see "Malfunctions of the machine electronics" on page 9-12. SHB WL34 * 2.0...
Page 56 (yellow) This indicator light shows that regeneration has been suppressed. ➥ Regeneration can be started manually. Indicator light “High exhaust-gas temperature” (yellow) Illuminates during active regeneration. This indicator light shows that increased exhaust-gas temperatures are possible. SHB WL34 * 2.0...
Page 57 The maintenance and inspection personnel must have specialized knowledge about the maintenance and inspection work on the machine. ➥ The necessary expertise can be obtained at training sessions from Wacker Neuson Service. • Perform maintenance and inspection work only with suitable protective equipment.
Page 58 Absorb the escaping oil or fuel immediately with a binding agent, and dispose of it in an environmentally friendly manner and separately from other waste. • Even biodegradable, “environmentally friendly” oil must be disposed of separately, just like every other type of oil. SHB WL34 * 2.0...
Page 59 ➥ Do not breathe in engine exhaust. • If maintenance and inspection work has to be performed in enclosed spaces with a running engine, extract the exhaust gases with an extraction system and ensure that the space is well ventilated. SHB WL34 * 2.0...
Page 60 Only start the engine if no more work is performed on the machine and there are no more persons in the danger zone. • Start the machine only from the operator seat. • Once maintenance and inspection work is over, perform a functional check of the machine. SHB WL34 * 2.0...
Page 61 Turn the battery master switch to the left. Fig. 14 ➥ The battery is disconnected from the electrical system. • Turn the battery master switch to the right. ➥ The battery is connected to the electrical system. SHB WL34 * 2.0...
Page 62 Check the routing of the hoses, pipe lines and electric lines • Check the air filter and intake hose • Check the engine mounting and axle mounting • Perform a general safety check, General safety check on page 1-21 • SHB WL34 * 2.0...
Page 63 ► Observe the Operator’s Manual of the engine. Information Ensuring correct machine function requires having the initial inspection performed by an authorized service center after 30 operating hours, however 3 months at the latest after putting the machine into operation. SHB WL34 * 2.0...
Page 64 Clean the air filter, replace it if necessary Replace the hydraulic oil return filter Perform grease lubrication according to the lubrication plan Lubricate the cardan shaft Lubricate with oil: all levers, Bowden cables and hinges Check all oil levels, add oil if necessary SHB WL34 * 2.0...
Page 65 Check the engine cover and door locking mechanisms for correct function, adjust them if necessary Check the tire condition and tire pressure Replace the engine oil and engine oil filter Replace the fuel filter, clean the fuel prefilter Clean the fuel feed pump (Deutz engines only) SHB WL34 * 2.0...
Page 66 The maintenance specified in the inspection schedule must be performed according to whichever interval is reached first, in other words, depending on whether the operating hours are reached or the time interval specified in the schedule is reached. 1-10 SHB WL34 * 2.0...
Page 67 5 years or after 4500 operating hours) Check the injectors (every 3000 operating hours) Check the engine cover lock for correct function, adjust it if neces- • • • • sary Check the protective ROPS/FOPS structure • • 1-11 SHB WL34 * 2.0...
Page 68 * Required if there is damage in the hydraulic system that is supposed to be caused by strong abrasive wear Valve clearance Perkins Series 400: inlet and exhaust 0.2 mm on a cold engine Valve clearance Deutz Series 2011: inlet 0.3 mm and exhaust 0.5 mm on a cold engine 1-12 SHB WL34 * 2.0...
Page 69 Maintenance Maintenance Maintenance 1 Maintenance Lubrication plan Fig. 15 1-13 SHB WL34 * 2.0...
Page 70 Lubricate all lubrication points every 20 operating hours with water resistant multi-purpose grease! Lubricate all other moving parts such as the parking-brake lever, pedals, Bowden cables, etc. with an oil can! Lubrication work on page 1-22 for more lubrication information. 1-14 SHB WL34 * 2.0...
Page 71 Engine oil with filter 8 liters (2.1 gal.) API CH-4 -20 °C to +40 °C (-4 °F–104°F) Water with commercially HD coolant/antifreeze: Cooling system contents 10 liters (2.6 gal.) available HD coolant/anti- ASTM D4985 freeze 1-15 SHB WL34 * 2.0...
Page 72 Engine oil with filter 10.5 liters (2.77 gal.) API CG-4/API CH-4 -20 °C to +40 °C (-4 °F–104°F) Water with commercially HD coolant/antifreeze: Cooling system contents 10 liters (2.6 gal.) available HD coolant/anti- ASTM D4985 freeze 1-16 SHB WL34 * 2.0...
Page 73 2. Raise the engine cover by pulling the handle. ➥ Tilt the engine cover backward. Information Close the engine cover by tilting it forward. The engine cover lock engages in the lock as it closes. Fig. 16 1-17 SHB WL34 * 2.0...
Page 74 4. Remove the fastening screws 3 and take off the cover panel. Install in the reverse order. Fig. 19 Removing/installing the footwell cover panel 1. Remove floor mat. 2. Remove all screws and take off the cover plate 1. Install in the reverse order. Fig. 20 1-18 SHB WL34 * 2.0...
Page 75 2. Remove all screws and take off the cover plate 1. Install in the reverse order. Fig. 22 Outer side 1. Remove all screws and take off the cover plate 1. Install in the reverse order. Fig. 23 1-19 SHB WL34 * 2.0...
Page 76 Avoid environmental damage ► Clean the machine in a suitable place where the dirty waste water can be collected in an environmentally friendly manner. ► Collect contaminated water and dispose of it in an environmentally friendly manner. 1-20 SHB WL34 * 2.0...
Page 77 Check the cabin windows for damage, cracks and stone impacts. • Check the condition of the lights and working lights. • Check the tires for damage and penetration of sharp-edged objects. • Check the condition of all warning and information labels. 1-21 SHB WL34 * 2.0...
Page 78 The remaining lubrication time or break time is read from the memory upon switching the starter on again, and lubrication is resumed where it was interrupted. Fig. 24 1-22 SHB WL34 * 2.0...
Page 79 4. Install the transparent cover (window) once the settings are performed. NOTICE Water can penetrate into the controls and damage them if the cover is not closed correctly! This leads to a failure of the lubrication system! 1-23 SHB WL34 * 2.0...
Page 80 The lubrication system is filled via the grease zerk (2) or a fill coupling with a manual or pneumatic grease gun. NOTICE Use only commercially available greases up to NLGI class 2 to avoid damage to the lubrication system and the lubrication points! Fig. 31 1-24 SHB WL34 * 2.0...
Page 81 Maintenance Central lubrication system diagram BN (YE/GR) Item Designation Option external signal lamps Option filling level switch which for monitoring the grease level Option microswitch for pressure relief valve check Push button – intermediate lubrication 1-25 SHB WL34 * 2.0...
Page 82 ► Remedy: On the side on which the hose is connected, press the threaded sleeve about 1 to 2 mm to create an oval shape, so that the hose is not pressed out as the connection piece is screwed in. 1-26 SHB WL34 * 2.0...
Page 83 In the case of large systems, we recommend screwing in a grease zerk at the distributors and then checking the function of the distributor with a manual pump. 1-27 SHB WL34 * 2.0...
Page 84 2. Tighten the connecting rods to 12 Nm when you mount them to avoid jamming the pistons. 3. Check the distributor for correct function using oil or grease. 4. Install the distributor in the system. 5. Run the system and check the operating pressure. 1-28 SHB WL34 * 2.0...
Page 85 System pressure too high Check the system Blocked progressive distributor Replace the distributor Grease comes out at pressure relief Blocked system Repair blocked/jammed bearing valve points Malfunctioning valve spring Replace the pressure limiting valve 1-29 SHB WL34 * 2.0...
Page 86 Risk of damage to the environment! Avoid environmental damage! ► Collect escaping fuel, or absorb it with a binding agent. ► Dispose of fuel or binding agent in an environmentally friendly manner and separately from other waste. 1-30 SHB WL34 * 2.0...
Page 87 ► Seek medical attention immediately in case of accidents with diesel fuel. ► Wear protective equipment. CAUTION Fire hazard due to diesel fuel! Diesel fuel gives off flammable vapors. ► Do not smoke, avoid fire and open flames. ► Adding gasoline is prohibited. 1-31 SHB WL34 * 2.0...
Page 88 1. Fully retract the loader unit and lower it to the ground. 2. Stop the engine. 3. Unscrew the filler cap off the filler inlet. 4. Refuel the vehicle. 5. Carefully close the filler inlet after refueling. Fig. 33 1-32 SHB WL34 * 2.0...
Page 89 1. Place a container under water separator W. 2. Remove the drain plug from the filter. ➥ The collected water now drains. 3. Firmly re-tighten the drain plug. 4. Bleed the fuel system – see "Bleeding the fuel system" on page 1-37. 1-33 SHB WL34 * 2.0...
Page 90 1. Rotate filter element 3 in the direction of the arrow until the symbols 4 “Open lock” are in line. 2. Pull filter element downward out of the filter head. Fig. 35 3. Unscrew sight glass 6 from filter element 5. 4. Clean sight glass. Fig. 36 1-34 SHB WL34 * 2.0...
Page 91 3. Fill filter element with clean diesel fuel. Fig. 38 4. Push filter element upward into filter head 6. 5. Rotate filter element in the direction of the arrow until the symbols 7 “Closed lock” are in line. Fig. 39 1-35 SHB WL34 * 2.0...
Page 92 1. Use a screwdriver to open the one-ear clips 1. Fig. 40 2. Close fuel hoses 3 with hose clips 2. 3. Pull fuel hoses 3 off connection piece. 4. Remove screws 4 (SW13). 5. Remove fuel filter 5. Fig. 41 1-36 SHB WL34 * 2.0...
Page 93 2. Turn the starting key to position I so that the electric fuel-feed pump works. 3. Wait one minute. - The system bleeds itself automatically. ➥ The engine is then ready to be started. Fig. 44 1-37 SHB WL34 * 2.0...
Page 94 After starting the engine, let it run 2 to 3 minutes at idling speed to complete the bleeding procedure. Environment Diesel fuel is harmful to the environment. ► Collect escaping diesel fuel and dispose of it in an environmentally friendly manner. Fig. 45 1-38 SHB WL34 * 2.0...
Page 95 1. Unscrew filler cap 2 from the oil drain valve. 2. Screw on hose with drain coupling, making sure the end of the hose is in the oil drip tray. 3. Completely drain the oil. Fig. 47 1-39 SHB WL34 * 2.0...
Page 96 9. Stop the engine. 10.Wait a moment until all the oil has run into the oil sump. 11.Check the oil level again. Fig. 48 12.Add if necessary and check again. 13.Completely remove all oil spills from the engine. 1-40 SHB WL34 * 2.0...
Page 97 Fill a maximum of 5 l/min. If the coolant is added too quickly to the cooling system, air bubbles can be trapped in the cooling system and cause engine overheating. 1-41 SHB WL34 * 2.0...
Page 98 5. When only a small amount of fluid flows out, also open the filler inlet. 6. Reassemble the cooling water hose. 7. Add coolant slowly up to the “MAX” mark. Fig. 51 8. Close the coolant filler inlet. 9. Open the heating circuit fully. 1-42 SHB WL34 * 2.0...
Page 99 Under normal conditions, an antifreeze concentration of −20 °C (−4 °F) to −30 °C (−22 °F) is sufficient. The antifreeze concentration can be checked with an antifreeze tester. Fig. 52 1-43 SHB WL34 * 2.0...
Page 100 Clean dirty radiators with compressed air. Very dirty radiators can also be cleaned with water and high pressure. • Clean the engine radiator. • Clean the hydraulic oil radiator. • Clean the alternator only with compressed air. 1-44 SHB WL34 * 2.0...
Page 101 Replace the main engine air filter in time. If it is allowed to get too dirty, exhaust gas emissions will increase. Information The engine air filter is located on the right side of the machine. 1-45 SHB WL34 * 2.0...
Page 102 4. Clean the main engine air filter H by knocking it gently and blowing compressed air from inside toward the outside. 5. Replace the main engine air filter H if it is too heavily contaminated. 1-46 SHB WL34 * 2.0...
Page 103 2. Pull out the main engine air filter. ➥ The safety engine air filter can be seen. 3. Pull out the safety engine air filter. 4. Insert a new safety engine air filter. Assemble the engine air filter in the reverse order. 1-47 SHB WL34 * 2.0...
Page 104 Risk of technical damage. Cracked and stretched V-belts cause engine damage! ► Perform maintenance on the V-belt according to the maintenance intervals specified in this Operator’s Manual. ► Observe the Operator’s Manual of the engine. 1-48 SHB WL34 * 2.0...
Page 105 2. Apply pressure to the alternator with a suitable tool until reaching the correct V-belt tension. 3. Hold the alternator in this position and tighten bolts 1 and 2. Fig. 58 Note on toothed belts Information Tooth belts may only be replaced by authorized Perkins/Deutz distribution partners. 1-49 SHB WL34 * 2.0...
Page 106 One part cools the hydraulic oil, the second part the engine. Check V-belt tension and condition if the hydraulic system overheats during longer work operation or at high outside temperatures. Also check whether the spaces between the radiator fins are clean and not blocked. Fig. 59 1-50 SHB WL34 * 2.0...
Page 107 3. Properly dispose of breather filter with hydraulic oil dipstick. 4. Mark the new hydraulic oil dipstick. ➥ A1 = 6.5 cm ➥ A2 = 15.5 cm 5. Re-insert the hydraulic oil dipstick and tighten the breather filter. Fig. 61 1-51 SHB WL34 * 2.0...
Page 108 5. Pull out the hydraulic oil dipstick. 6. Check the hydraulic oil level. ➥ The hydraulic oil level must be between the “Min” and “Max” marks. 7. Re-insert the hydraulic oil dipstick and tighten the breather filter. Fig. 62 1-52 SHB WL34 * 2.0...
Page 109 – see "Fluids and lubricants" on page 1-15. 3. Open drain plug 1. 4. Drain the hydraulic oil completely. 5. Close drain plug 1. 6. Add new hydraulic oil – see "Adding hydraulic oil" on page 1-53. Fig. 63 1-53 SHB WL34 * 2.0...
Page 110 ► Always use a new O-ring when installing the parts. ► Ensure that the O-ring is not damaged by sharp edges during installation. 4. Put the new filter insert in place. 5. Close the high-pressure filter. 1-54 SHB WL34 * 2.0...
Page 111 5. Check the oil level in the hydraulic oil reservoir. ➥ If necessary, add hydraulic oil again until the oil level is between the “Min” and “Max” marks on the hydraulic oil dipstick. 1-55 SHB WL34 * 2.0...
Page 112 The different electrical circuits are protected with fuses with different current ratings. The fuses are located in different fuse boxes in the cabin and battery container. See chapter Fuse assignment on page 9-2 for the fuse assignment. Fig. 66 1-56 SHB WL34 * 2.0...
Page 113 ► To connect: First the positive terminal, and then the negative terminal. Preparations: 1. Park the machine on firm, level and dry ground. 2. Apply the parking brake. 3. Fully retract the loader unit and lower it to the ground. 4. Stop the engine. 1-57 SHB WL34 * 2.0...
Page 114 Observe the monitoring device of the battery located in position 3. - Green = battery charge condition OK. - Black = charge the battery. - White = replace the battery by a new one. Fig. 68 1-58 SHB WL34 * 2.0...
Page 115 (battery to be charged) so that the batteries can be connected by means of the battery jumper cables, but without the vehicles touching. 4. Set all control levers and switches to the zero position on the machine giving a jump start. 1-59 SHB WL34 * 2.0...
Page 116 2. First disconnect the red battery jumper cable from the positive terminal of the vehicle giving a jump start, then from the positive terminal of the machine. 1-60 SHB WL34 * 2.0...
Page 117 3. Insert a new filter. 4. Screw on the cover of filter housing 1. Information Replace the cabin breather filter once a year. Replace more frequently if the machine is used for dusty applications. Fig. 70 1-61 SHB WL34 * 2.0...
Page 118 3. Close the filler inlet. Fig. 71 Information Ensure that there is always enough water in the washer system reservoir. Add only clean faucet water. Add a suitable cleaning agent if necessary. Add antifreeze to the water in winter. 1-62 SHB WL34 * 2.0...
Page 119 2. Unscrew the Allen screws 1 and 2. ➥ The gearbox oil must be up to the bottom edge of the filler opening. 3. Add gearbox oil if necessary. 4. Screw the Allen screws 1 and 2 back in. Fig. 72 1-63 SHB WL34 * 2.0...
Page 120 8. Add gearbox oil. ➥ Gearbox oil type – see "Fluids and lubricants" on page 1-15. ➥ The gearbox oil must be up to the bottom edge of the filler opening. 9. Screw in check plugs. Fig. 73 1-64 SHB WL34 * 2.0...
Page 121 “MAX” and “MIN” are located on the side of the reservoir. Do not operate the machine any more if the brake fluid level in the brake- fluid reservoir has dropped below the mark “MIN”. 1-65 SHB WL34 * 2.0...
Page 122 ► Secure the machine with trestles. NOTICE Damage to differentials due to different-sized wheels and tires. Only install wheels or tires on the machine from the same manufacturer, of the same size and that have the same wear condition. 1-66 SHB WL34 * 2.0...
Page 123 3. Pump up the tire to the prescribed pressure. 4. Remove the valve connection of the filling device from the tire valve. 5. Screw the protective cap onto the tire valve. 1-67 SHB WL34 * 2.0...
Page 124 7. Tighten the wheel bolts alternately on the opposite sides to the prescribed torque. - After a wheel change, re-tighten the wheel bolts after 2 operating hours. If necessary, repeat until the tightening torque remains constant. Tightening torques ➥ Tightening torques on page E-13. 1-68 SHB WL34 * 2.0...
Page 125 3. Fill tube or tubeless tire with liquid up to the height of tire valve 1. 4. Adapt the air pressure – see "Inflating the tires" on page 1-67. 5. Check the tire pressure regularly (monthly) – see "Checking the liquid level of the tires" on page 1-69. Fig. 77 1-69 SHB WL34 * 2.0...
Page 126 Do not work with damaged attachments. Pallet forks Lubricate all lubrication points every 20 operating hours with water resistant multi-purpose grease! Lubricate all other moving parts with an oil can. Fork-and-grab attachment Universal bucket Fig. 78 1-70 SHB WL34 * 2.0...
Page 127 1. Close the trailer coupling. 2. Apply tough, water-proof grease to coupling pin 2 and base ring 3 after cleaning. 3. Apply grease to the grease zerk 1 on the joint. Fig. 79 1-71 SHB WL34 * 2.0...
Page 128 Information Repairs on the diesel particulate filter may only be performed by authorized Perkins/Deutz distribution partners. The diesel particulate filter is a wear part and has to be checked/cleaned or replaced every 3000 operating hours. 1-72 SHB WL34 * 2.0...
Page 129 ► Wait until manual regeneration is finished. A running regeneration stops if the engine runs at idling speed and electric consumers are switched on. ► During regeneration at idling speed, switch off all electric consumers on the machine. 1-73 SHB WL34 * 2.0...
Page 130 If this regeneration is also interrupted, the control lamp 29, control lamp 22 and control lamp 23 illuminate. The engine shuts down every 30 seconds. A regeneration or repair can only be performed by autho- rized Perkins distribution partners. 1-74 SHB WL34 * 2.0...
Page 131 Switch off all electric consumers on the vehicle, for example, the rotating beacon, lighting, radio, etc. if regeneration is performed at idling speed. ➥ If the control lamp goes out 29, the regeneration is complete and the exhaust system is cooled to operating temperature. 1-75 SHB WL34 * 2.0...
Page 132 In the display, the control lamp illuminates 27 and the control lamp 22 flashes. If this regeneration is interrupted again, the engine independently switches off every 30 seconds. The diesel particulate filter must be replaced by authorized Perkins distribution partners. 1-76 SHB WL34 * 2.0...
Page 133 The control lamp goes out once regeneration is over and the exhaust system has cooled down 29. 1-77 SHB WL34 * 2.0...
Page 134 ► Always finish manual regeneration whenever possible. Interrupt regeneration: • Press and hold the rocker switch 49 at least 3 seconds in position I. ➥ Manual regeneration is interrupted. - Control lamp 28 illuminates. - Control lamp 29 goes out. 1-78 SHB WL34 * 2.0...
Page 135 Engine Perkins engine 404D-22 (35.7 kW) Engine Perkins engine 404D-22 (35.7 kW)
Page 136 Perkins engine 404D-22 (35.7 kW) Overview Item Designation Connection air filter hose <-> engine Connection radiator coolant hose <-> engine Pump nozzle element no. 1 Fuel injection pump Lower oil-filling cap Throttle Engine oil dipstick Engine oil filter SHB WL34 * 2.0...
Page 137 Engine 2 Perkins engine 404D-22 (35.7 kW) Item Designation Crankcase breather Upper oil-filling cap Water pump Alternator fan belt Crankshaft pulley Cover plate for auxiliary drive Engine oil sump Engine oil drain plug SHB WL34 * 2.0...
Page 138 The efficiency of the engine, the level of emission control and the engine output depend on strict adherence to the mandatory operation and maintenance instructions. Engine output and efficiency depend on the use of the mandatory fuels, lubricating oils and coolants. SHB WL34 * 2.0...
Page 139 Plugs (different sizes) for closing the oil lines Technical data Designation Weight Engine 186 kg Environment Use a suitable container to collect the fuel and coolant as they drain and dispose of them in an environmentally friendly manner! SHB WL34 * 2.0...
Page 140 6. Disconnect the starter and alternator 3 and place the cable to the side. Fig. 86 7. Disconnect the cable from the dirt indicator 5. 8. Remove fastening screws 4. Remove the bracket and air filter. Fig. 87 SHB WL34 * 2.0...
Page 141 19.Remove the fuel lines to the fuel pump 12 and remove the pump. Fig. 91 20.Slightly loosen the screws on both sides of the underside of the cooler 13. 21.Push the cooler as far back as possible. Fig. 92 SHB WL34 * 2.0...
Page 142 26.Remove the screws from the four engine brackets. 27.Slightly lift the engine, pull it to the rear and then lift it outward. Install in the reverse order. Information Only use new one-ear clams for the installation! SHB WL34 * 2.0...
Page 143 2. Remove the cable ties and place the connecting piece of the lighting to the side. 3. Remove nuts 1 and pull off cable. 4. Remove nut 2. 5. Remove nut on the opposite side. 6. Remove starter. Install in the reverse order. Fig. 94 SHB WL34 * 2.0...
Page 144 Removing the alternator 1. Remove the alternator V-belt. 2. Remove nuts 3 and pull off cable. 3. Remove nut 2 and screw. 4. Remove screw 1. 5. Remove the alternator. Install in the reverse order. Fig. 96 2-10 SHB WL34 * 2.0...
Page 145 Engine Perkins engine 404F-22 (35.7 KW) Engine 2 Perkins engine 404F-22 (35.7 KW) Perkins engine 404F-22 (35.7 KW) 2-11 SHB WL34 * 2.0...
Page 146 Aftertreatment system Throttle Water pump Engine oil drain plug Alternator Fuel injection pump fan belt Engine oil filter Lower oil-filling cap Fuel pump Crankshaft pulley Fuel filter Cover plate for auxiliary drive Differential pressure sensor 2-12 SHB WL34 * 2.0...
Page 147 Engine 2 Perkins engine 404F-22 (35.7 KW) Item Designation Item Designation Differential pressure sensor Starter Catalytic converter input temperature sensor Alternator DPF burner Filter input temperature sensor Flywheel housing Filter output temperature sensor 2-13 SHB WL34 * 2.0...
Page 148 The efficiency of the engine, the effectiveness of the emission control and the engine output depend on strict adherence to the operation and maintenance instructions. Engine output and efficiency depend on the use of the mandatory fuels, lubricating oils and coolants. 2-14 SHB WL34 * 2.0...
Page 149 Engine Deutz engine TD2011 L04w (55.1 kW) Engine 2 Deutz engine TD2011 L04w (55.1 kW) Deutz engine TD2011 L04w (55.1 kW) Overview 2-15 SHB WL34 * 2.0...
Page 150 Lube oil pump Oil drain plug Lubricant oil dipstick Fuel pump with integrated sieve filter Fuel filter Lube oil cooler Lubricant oil replacement filter Coolant reflux to thermostat Inlet for coolant Fuel injection pump Cylinder head cover 2-16 SHB WL34 * 2.0...
Page 151 Engine 2 Deutz engine TD2011 L04w (55.1 kW) Item Designation Fuel reflux to fuel tank Flywheel Starter Exhaust turbocharger Exhaust manifold Inlet for coolant 2-17 SHB WL34 * 2.0...
Page 152 Lube oil sump Lube oil pump Pressure relief valve Lube oil cooler Oil filter Main lube oil channel Lube oil line with exhaust turbocharger Exhaust turbocharger Lube oil reverse line with turbocharger Rocker arm Pressure retaining valve 2-18 SHB WL34 * 2.0...
Page 153 If engine is cold, lube oil is fed to the hydraulic tappets. To achieve advance adjustment of the fuel injection during cold start, the hydraulic tappets located beneath the injection pumps are supplied with lube oil. Hydraulic tappet 2-19 SHB WL34 * 2.0...
Page 154 A loader unit suddenly falling down can cause serious injury or death. ► Install safety props when working under the raised loader unit. 1. Raise the loader unit. 2. Stop the diesel engine and remove the starting key. 3. Mount the safety prop. 2-20 SHB WL34 * 2.0...
Page 155 8. Pump fuel into one or more barrels with the help of a pump. ➥ Capacity about 70 liters. Fig. 98 9. Remove screws 3 with spring washers and flat washers. 10.Remove the front cover plate. Fig. 99 2-21 SHB WL34 * 2.0...
Page 156 Fig. 102 16.Loosen hose clamps 11 and pull off the connection piece. 17.Take out the fuel tank. Fig. 103 18.Remove all screws and remove the tank sensor 12. Install in the reverse order. Fig. 104 2-22 SHB WL34 * 2.0...
Page 157 ► Apply Loctite screw lock to the fuel drain plug with before screwing it in. ► Replace the sealing ring of the diesel drain plug by a new one. ► Titan diesel drain plug to a maximum of 12 Nm. 2-23 SHB WL34 * 2.0...
Page 158 2 Engine Fuel tank 2-24 SHB WL34 * 2.0...
Page 159 Cooling Radiator / fan blades Cooling Removing/installing the radiator Preparations 1. Park the machine on firm, level and dry ground. 2. Apply the parking brake. 3. Lower the loader unit to the ground. 4. Stop the engine. 5. Wait one minute. 6.
Page 160 14.Remove the hydraulic connection 9. 15.Close openings with suitable plugs. 16.Remove screw 10. 17.Fasten the radiator on a crane. 18.Pull radiator back until it can be lifted out using the crane. Install in the reverse order. Fig. 108 SHB WL34 * 2.0...
Page 161 2. Remove the hose bracket 2. 3. Remove screw 3. Fig. 110 4. Remove the hydraulic connection 4. 5. Close openings with suitable plugs. 6. Remove screw 5. 7. Push the cooler as far back as possible. Fig. 111 SHB WL34 * 2.0...
Page 162 5. Measure whether the fan blades protrude approx. 2/3 into the opening of the air guide plate. 6. Tighten the nuts on the sides and at the bottom. Further installation occurs in the reverse order. Fig. 113 SHB WL34 * 2.0...
Page 163 Travel drive Hose routing Travel drive Traveling drive hose routing Item Designation Hydraulic oil reservoir Hydraulic oil filter High-speed mode 3/2-directional valve Control valve Hydraulic oil radiator Variable displacement motor Variable displacement pump Gear pump to the steering orbital...
Page 164 4 Travel drive Hose routing M-Drive hose routing Item Designation Variable displacement pump Hydraulic oil reservoir Drive pedal / drive valve SHB WL34 * 2.0...
Page 165 Setting pressure x in case of reverse travel Screw for adjusting the inching Adjusting screw for adjusting the pressure cutoff High-pressure measurement connection M for forward travel Connecting the hydraulic line to the boost pressure testing connection G SHB WL34 * 2.0...
Page 166 This table provides the pressures of the variable displacement pump during reverse travel with locked traveling drive. Pressure (bar) at measuring point Speed [rpm] Idling speed (approx. < 10 1000) 1350 < 10 1600 < 10 2000 < 10 SHB WL34 * 2.0...
Page 167 Fig. 114 8. Loosen the nut. 9. To adjust the pressure cutoff with the screw: - Turn the screw clockwise: the pressure increases. - Turn the screw anticlockwise: pressure decreases. 10.Tighten the nut. 11.Check pressure cutoff again. SHB WL34 * 2.0...
Page 168 ➥ If the starting speed is too low or too high, adjust it. Adjustment 1. Loosen nut 2. 2. Turn the screw clockwise for 1/8 revolution. 3. Tighten the nut. 4. Check the starting speed again. Fig. 115 SHB WL34 * 2.0...
Page 169 11. Slowly increase the engine speed to maximum. 12. Read the high pressure value M off the test pressure gage. 13.Replace the variable displacement pump if the specified values are not reached – see “Pressures” on page 4-4. SHB WL34 * 2.0...
Page 170 11. Slowly increase the engine speed to maximum. 12. Read the high pressure x off the test pressure gage. 13.Replace the variable displacement pump if the specified values are not reached – see “Pressures” on page 4-4. SHB WL34 * 2.0...
Page 171 7. Press the gas pedal and read the pressures off both pressure gauges. Both pressure gages show the same pressure: ➥ The mechanical zero position is adjusted correctly. The pressure gages show different pressures: ➥ Adjust the mechanical zero position with adjusting screw 4. SHB WL34 * 2.0...
Page 172 7. Fasten suitable lifting gear (for example, a round sling) onto the variable displacement pump. 8. Tighten the lifting gear. 9. Remove the variable displacement pump from the clutch bell. To do this, remove a screw 13 on the top and bottom sides. 4-10 SHB WL34 * 2.0...
Page 173 “Checking the hydraulic oil level” on page 1-52. CAUTION Accident hazard due to reduced braking effect Air can be drawn into the system when the brake circuit is opened. ► Bleed the brake circuit with brake bleed equipment. 4-11 SHB WL34 * 2.0...
Page 174 Travel drive Variable displacement motor 4 Travel drive Variable displacement motor Variable displacement motor Overview Component Designation Valve Variable displacement motor Control unit 4-12 SHB WL34 * 2.0...
Page 175 ➥ Turn the screw clockwise: earlier control initiation (at lower pressure “G”). ➥ Turn the screw anticlockwise: later control initiation (at higher pressure “G”). 3. Tighten the nut. 4. Check the control initiation. Fig. 122 4-13 SHB WL34 * 2.0...
Page 176 7. Loosen union nut 2 of the hydraulic return line (WS 27). 8. Remove the hydraulic line. 9. Close the hydraulic line and variable displacement motor with plugs. Fig. 123 4-14 SHB WL34 * 2.0...
Page 177 19.Remove the opposite screws and then remove the variable displacement motor in a downward motion. Install in the reverse order. Information Always use new quad rings when attaching the hydraulic lines with the help of the flange halves. 4-15 SHB WL34 * 2.0...
Page 178 6. Remove connector 2. 7. Remove two screws 1. Fig. 125 8. Disconnect both connectors 4 from the pressure switch. 9. Loosen the sleeve nuts 5 and 6 of the hydraulic hoses. 10.Remove the hydraulic hoses. Fig. 126 4-16 SHB WL34 * 2.0...
Page 179 8. Cover the openings immediately (for example, with a cloth). Fig. 129 Install in the reverse order. NOTICE Before installing the return filter, apply a silicone seal to the openings 5, 6 and 7. Fig. 130 4-17 SHB WL34 * 2.0...
Page 180 Removing/installing the temperature switch 1. Drain the hydraulic oil completely – see “Changing hydraulic oil” on page 1-53. 2. Pull off the temperature switch connector 1. 3. Unscrew the temperature switch. Install in the reverse order. Fig. 131 4-18 SHB WL34 * 2.0...
Page 181 1. Clean the contact area and the stud bolts on the front axle 3. 2. Apply locking compound to stud bolts. 3. Slide the cardan shaft onto the stud bolts on the front axle. 4. Screw nuts 4 onto the stud bolts and tighten them. Fig. 135 4-19 SHB WL34 * 2.0...
Page 182 7. Slide the cardan shaft onto the stud bolts on the rear axle. 8. Screw nuts 6 onto the stud bolts and tighten them. 9. Remove lock from oscillating articulation (see Operator’s Manual). 10.Release the parking brake. Fig. 136 4-20 SHB WL34 * 2.0...
Page 183 The values serve as an orientation during troubleshooting. The pressure values are determined at full throttle and with a blocked drive. Speed [rpm] Connection 2 [bar] Connection 3 [bar] Idling speed (approx. 1000) 10-12 1350 1600 2000 4-21 SHB WL34 * 2.0...
Page 184 Measuring point M Pressures to M High pressure depending on travel direction - Check gearbox Pressure difference between M - Mechanical connection - Motor A6VM -> malfunctioning gearbox Replace the variable displacement pump, Mechanical damage 4-22 SHB WL34 * 2.0...
Page 185 Adjustment OK until 50 bar high pressure is indicated, Machine error compare with diesel engine speed .. *. rpm * order-specific Re-adjustment at control initiation screw A4VG Observe the oil temperature! Observe the safety regulations! 4-23 SHB WL34 * 2.0...
Page 186 - Check the boost pressure = * bar Measuring point: - Check the inching valve = * bar - Control initiation adjustment See “No forward/reverse Measurement connection machine travel” Troubleshooting as in “No forward/re- verse machine travel” 4-24 SHB WL34 * 2.0...
Page 187 Is the error taken over? (malfunctioning valve, dirty) Bypass adjustment OK? Check of pump Pressure cutoff adjusted Adjustment data higher than pressure relief Engine check valves? - Wear - Leak-oil measurement - Power train damage New adjustment 4-25 SHB WL34 * 2.0...
Page 188 M (A4VG)? connected incorrectly? - Adjustment (leakage) Does engine regulate? Pressure on M1 half the pressure on G? Machine error Control initiation adjusted Throttle too high. - Dirty Re-adjust! - Dented Mechanical damage Regulation 4-26 SHB WL34 * 2.0...
Page 189 - Replace the pump Check of all operation data OK? Check - New adjustment Variable displacement motor A6VM - Engine replacement - Control initiation OK - Qmin limit OK - Leak oil OK Machine error 4-27 SHB WL34 * 2.0...
Page 190 4 Travel drive Troubleshooting 4-28 SHB WL34 * 2.0...
Page 191 Axles Front axle Axles Front axle Overview Weight Designation 187 kg Front axle...
Page 192 2. Remove the cardan shaft from the front axle by sliding it backward. Fig. 137 3. Loosen the union nut on the differential lock 2. 4. Remove the hydraulic line. 5. Close the hydraulic line and differential lock with plugs. Fig. 138 SHB WL34 * 2.0...
Page 193 Fig. 141 13.Raise the loader unit and secure it against unintentional lowering with a suitable support 6. 14.Disassemble the Bowden cable holder – see “Removing/installing the Bowden cable for the fixed brakes” on page 6-11. Fig. 142 SHB WL34 * 2.0...
Page 194 17. Pull out the Bowden cable sideways. Fig. 143 18.Support the front axle with a jack. 19. Screw off four nuts 9. 20. Carefully lower the front axle and remove the jack. Install in the reverse order. Fig. 144 SHB WL34 * 2.0...
Page 195 4. Stop the engine. 5. Block the oscillating articulation (see Operator’s Manual). CAUTION Injury hazard due to heavy component! The rear axle weighs approx. 220 kg. Use suitable lifting gear to remove and install the rear axle. SHB WL34 * 2.0...
Page 196 5. Secure the loader with suitable lifting gear if necessary. 6. Remove the wheels. Fig. 147 7. Loosen union nut 2 on the hydraulic hose. 8. Remove the hydraulic line. 9. Close the hydraulic hose and opening with plugs. Fig. 148 SHB WL34 * 2.0...
Page 197 19.Loosen union nut 8 of the hydraulic line at the rear of the variable displacement motor. 20.Remove the hydraulic line. 21.Close the hydraulic line and variable displacement motor with plugs. Fig. 151 22.Support rear axle with suitable support structure (for example, pallet and pallet truck). Fig. 152 SHB WL34 * 2.0...
Page 198 23.Loosen 2 screws 9 on either side of the rear axle. 24. Carefully lower the rear axle and pull it out sideward. Fig. 153 25.Remove four screws 10. 26.Remove the variable displacement motor. Install in the reverse order. Fig. 154 SHB WL34 * 2.0...
Page 199 Type label Type label – front/rear axle All information about the axles can be found on the type plate. Item Designation Axle type Spare part no. Customer no. Reduction gear Serial no. Number of ZF lubricants list SHB WL34 * 2.0...
Page 200 5 Axles Type label 5-10 SHB WL34 * 2.0...
Page 201 Brake Service/parking brake Braking system Overview Item Designation Brake-fluid reservoir Master brake cylinder Variable displacement pump Solenoid valve to the hydraulic oil reservoir Rear axle Front axle with drum brake Cardan shaft Parking brake...
Page 202 Brake Service/parking brake 6 Brake Service/parking brake Service/parking brake Overview Item Designation Brake plate Brake anchor plate Wheel cylinder Pull wire adapter Bracket Brake shoes Tappet Retaining springs Brake drum Drive flange Readjustment SHB WL34 * 2.0...
Page 203 Brake 6 Service/parking brake Drum brake setup Item Designation Brake anchor plate Wheel cylinder Brake shoes Tension springs Jaw holding springs Automatic adjustment of the protective cover Tappet SHB WL34 * 2.0...
Page 204 9. Unscrew retaining screws and remove the drum. 10.In the event that the brake drum is run in and therefore cannot be removed, the adjuster must be unlocked and reset. To do this, remove the plugs from the inspection holes 2. Fig. 156 SHB WL34 * 2.0...
Page 205 Fig. 159 14.Remove the brake shoe 8, spring, washer and ram. Fig. 160 15.Unhook the pull wire adapter 9 and remove the brake shoe. Fig. 161 SHB WL34 * 2.0...
Page 206 To do this, set the distance of the setting pin a = 60 mm. In the process, ensure that the distance of the setting pin to the respective adjusting wheel b is identical. 19.Install brake shoes, washers and springs. Fig. 164 SHB WL34 * 2.0...
Page 207 The brake cables may not be pre-tensioned, as otherwise the flawless function of the automatic adjustment is not ensured. The shoe adjustment dimension may not be adjusted by hooking up the pull cable. 22.Install the brake drum and cardan shaft. SHB WL34 * 2.0...
Page 208 1. Remove the starting key and secure the vehicle against unauthorized operation. 2. Slacken screw 1. Fig. 166 3. Disconnect the connection between the spring-loaded cylinder and the Bowden cable 2. Fig. 167 SHB WL34 * 2.0...
Page 209 9. Connect the spring-loaded cylinder to the hydraulic line and place in the holder. Align the cylinder so that the hydraulic hose runs parallel to the front carriage plate. 10.Fix the cylinder with the screw and two V-pulleys 6. Fig. 171 SHB WL34 * 2.0...
Page 210 1. Dismount the holder for the Bowden cable 2. To do this, remove the fastening nuts. 2. Remove two nuts and screws each on both sides 1. 3. Remove the parking brake. Install in the reverse order. Fig. 175 6-10 SHB WL34 * 2.0...
Page 211 7. Ensure access to the Bowden cable up to the front axle. To do this, remove all cable ties. Fig. 176 8. Pull off metal sleeve 3 a little. 9. Separate connection to front axle 4 and remove Bowden cable. Install in the reverse order. Fig. 177 6-11 SHB WL34 * 2.0...
Page 212 Additional volume must be provided by the master brake cylinder to compensate elastic deformations, hose elongation, setting of sealing elements, and the compression of the residual air in the system. 6-12 SHB WL34 * 2.0...
Page 213 Use a suitable container to collect the brake fluid as it drains and dispose of it in an environmentally friendly manner! 1. Remove cover 1. Fig. 178 2. Remove brackets 2 on the fork head. Fig. 179 3. Remove cover 3. Fig. 180 6-13 SHB WL34 * 2.0...
Page 214 Air can be drawn into the system when the brake circuit is opened. ► Bleed the brake circuit with brake bleed equipment. NOTICE Fig. 182 Then check the brake fluid level – see “Checking the brake-fluid level” on page 1-65. 6-14 SHB WL34 * 2.0...
Page 215 Steering system Steering system Hose routing Item Designation Return line to the tank Steering orbitrol Control valve Priority valve Gear pump High-pressure filter Steering cylinder Lubrication line (only for vehicle numbers with serial number > 3025887)
Page 216 4. Insert two half shells 7 from below and hold them in place. 5. Position three-legged extractor 4 on the steering wheel. 6. Carefully pull off steering wheel 5 from the steering column 6. Fig. 185 SHB WL34 * 2.0...
Page 217 1. Slide steering wheel 1 onto the steering column. 2. Screw nut 2 with washer 3 onto the steering column and tighten to a torque of 15 Nm. Fig. 186 3. Fit cap 4 onto the steering wheel. Fig. 187 SHB WL34 * 2.0...
Page 218 5. Remove the steering orbitrol from steering column 2. Fig. 189 6. Disconnect all plug-and-socket connections between the wiring harness and the steering column. Fig. 190 7. Remove four screws 4. 8. Remove the steering column. Install in the reverse order. Fig. 191 SHB WL34 * 2.0...
Page 219 2. Unscrew screws 1 on both sides of the instrument panel 2. 3. Fold back instrument panel. Fig. 192 4. Remove screws 3. 5. Flip open instrument panel cover 4. Fig. 193 6. Remove screws 5. 7. Raise the cover. Fig. 194 SHB WL34 * 2.0...
Page 220 8. Unscrew nut 6 and screw 7 at the top of gas strut 8. Fig. 195 9. Unscrew nut 10 and screw 11 at the top of gas strut 9. 10.Remove gas strut. Install in the reverse order. Fig. 196 SHB WL34 * 2.0...
Page 221 3. Remove pin 2 if necessary; drive it out with an impact extractor. 4. Slowly, rotate the steering wheel counterclockwise until the steering cylinder is completely retracted. While doing this, grab the piston rod in the painted area and direct it. Fig. 197 SHB WL34 * 2.0...
Page 222 If the steering cylinder is filled with oil, blow compressed air into the base- side hydraulic connection to extend the cylinder rod, if necessary. The cylinder rod of the new steering cylinder must be extended the same distance as the cylinder rod of the steering cylinder removed before. SHB WL34 * 2.0...
Page 223 L to T and from R to T. The shock valves 2 are directly actuated and therefore react very quickly. The anticavitation valves 3 ensure oil re-suction to prevent cavitation in the steering cylinder. SHB WL34 * 2.0...
Page 224 2. Remove the cover plate 7. Fig. 200 3. Mark installation positions on all hydraulic hoses. 4. Unscrew the union nuts and remove the hydraulic hoses. 5. Close all openings with suitable plugs. Fig. 201 7-10 SHB WL34 * 2.0...
Page 225 Steering system 7 Steering orbitrol S1 6. Unscrew the four inner screws 8. 7. Remove the steering orbitrol. Install in the reverse order. Fig. 202 7-11 SHB WL34 * 2.0...
Page 226 1. With the engine stopped, turn the steering wheel clockwise or anticlockwise until the articulation is at the limit. 2. If the steering wheel can be steered beyond the limit, replace the steering orbitrol – see “Removing/installing the steering orbitrol” on page 7-10. 7-12 SHB WL34 * 2.0...
Page 227 Work hydraulics Overview Work hydraulics Overview Item Designation Loader unit Solenoid valve V30 Tilt cylinder Rear reversing lever Front reversing lever Lock cylinder/lock pin Lifting cylinder...
Page 228 Work hydraulics Hose routing 8 Work hydraulics Hose routing Vehicles with a serial number < 3025887 Item Designation Lifting cylinder Solenoid valve (unlocking the lock cylinder) Tilt cylinder Level indicator Lock cylinder Lifting cylinder Control valve SHB WL34 * 2.0...
Page 229 Work hydraulics 8 Hose routing Vehicles with a serial number > 3025887 Hose routing with hydraulic lock Item Designation Solenoid valve (unlocking the lock cylinder) Lifting cylinder Tilt cylinder Lifting cylinder Lock cylinder SHB WL34 * 2.0...
Page 230 8 Work hydraulics Hose routing Hose routing with mechanical lock Item Designation Lifting cylinder Tilt cylinder Level indicator Lifting cylinder Control valve SHB WL34 * 2.0...
Page 231 Work hydraulics 8 Hose routing Hose routing with counterbalance valve Item Designation Tilt cylinder Lifting cylinder Level indicator Lifting cylinder Control valve SHB WL34 * 2.0...
Page 232 8 Work hydraulics Hose routing Hose routing with 3rd control circuit comfort Item Designation Control valve 6/2 directional valve SHB WL34 * 2.0...
Page 233 4. Connect test pressure gage 0 ... 600 bar to test adapter. 5. Operate the loader unit against a hydraulic resistance with the “Raise” function. Fig. 206 6. Read the primary pressure at the test pressure gauge (target value: 215 bar (HDM19/3) or 240 bar (HDM19/4)). SHB WL34 * 2.0...
Page 234 2. Read off the throughput of the gear pump on the flow meter (specified value: – see “Operating hydraulics” on page E-8). 3. If the throughput is too small, seal or replace the gear pump. Fig. 208 SHB WL34 * 2.0...
Page 235 Fig. 209 Install in the reverse order. NOTICE Pressure loss due to malfunctioning seals. ► Always use new O-rings when installing the mounting parts. ► Ensure that the O-rings are not damaged by sharp edges during installation. SHB WL34 * 2.0...
Page 236 ► Only open hydraulic systems after the pressure in them has been released. ► Wear protective clothes. 6. Press the pressure-relief switch – see “Overview of switch panels” on page B-5. 7. Unscrew and close the hydraulic lines 3. Install in the reverse order. 8-10 SHB WL34 * 2.0...
Page 237 2. Dislodge lock pin 2 from the guide in an inward direction. Install 1. Slightly grease guide and pin. 2. Insert new pin into guide from the inside. 3. Install the lock cylinder. Fig. 212 4. Grease the lock pin. 8-11 SHB WL34 * 2.0...
Page 238 To remove and install the tilt cylinder, use suitable lifting gear or work together with a second person. 1. Reduce the load on the loader unit by lowering the quickhitch 1 to the ground. Fig. 213 8-12 SHB WL34 * 2.0...
Page 239 ► Apply a thin coat of grease to the pins and bearings before inserting the Fig. 217 pins. ► Always use spring washers and washers for tightening the pins. ► After completing installation, apply grease to the cylinder bearings. 8-13 SHB WL34 * 2.0...
Page 240 ► Only open hydraulic systems after the pressure in them has been released. ► Wear protective clothes. 2. Release the pressure in the hydraulic system – see “Releasing residual pressure in the hydraulic system” on page E-32. 8-14 SHB WL34 * 2.0...
Page 241 10.Remove both lift cylinders from the loader unit. To do this, unscrew a screw 10 on each side. 11.Dislodge a pin 9 on each side. 12.Lower lifting cylinder on the front chassis. Fig. 222 13.Secure the loader unit 12 with suitable lifting gear 11. Fig. 223 8-15 SHB WL34 * 2.0...
Page 242 ► Apply a thin coat of grease to the pins and bearings before inserting the pins. ► Always use spring washers and washers for tightening the pins. ► After completing installation, apply grease to the cylinder and loader unit bearings. 8-16 SHB WL34 * 2.0...
Page 243 This section describes the replacement of a lift cylinder. The second lift cylinder is replaced in the same way. 1. Reduce the load on the loader unit by lowering the quickhitch 1 to the ground. Fig. 225 8-17 SHB WL34 * 2.0...
Page 244 ► Apply a thin coat of grease to the pins and bearings before inserting the pins. ► Always use spring washers and washers for tightening the pins. ► After completing installation, apply grease to the cylinder and loader unit bearings. 8-18 SHB WL34 * 2.0...
Page 245 A thin jet of hydraulic oil escaping under high pressure can penetrate the skin. ► Seek medical attention immediately if hydraulic oil penetrates the skin or eyes. ► Only open hydraulic systems after the pressure in them has been released. ► Wear protective clothes. 8-19 SHB WL34 * 2.0...
Page 246 Pay attention to the following instructions for assembly: ► Apply a thin coat of grease to the pins and bearings before inserting the Fig. 232 pins. ► Always use spring washers and washers for tightening the pins. 8-20 SHB WL34 * 2.0...
Page 247 Pay attention to the following instructions for assembly: ► Apply a thin coat of grease to the pins and bearings before inserting the Fig. 234 pins. ► Always use spring washers and washers for tightening the pins. 8-21 SHB WL34 * 2.0...
Page 248 1. Unscrew union nuts 1 and remove hydraulic hoses. 2. Close the openings oil-tight with the plugs. 3. Remove plug 3. 4. Remove the nuts 2 unscrew the screws and remove the valve. Install in the reverse order. Fig. 235 8-22 SHB WL34 * 2.0...
Page 249 Pay attention to the following instructions for assembly: ► Apply a thin coat of grease to the pins and bearings before inserting the pins. ► Always use spring washers and washers for tightening the pins. 8-23 SHB WL34 * 2.0...
Page 250 7. Turn the control lever to loosen it. To do this, grip the lever through the opening on the inner side and move the control valve along with it. Install in the reverse order. Fig. 240 8-24 SHB WL34 * 2.0...
Page 251 Remark/designation Weight Control valve HDM19/4 20 kg Control valve HDM19/3 15 kg Environment Use a suitable container to collect the hydraulic oil as it drains off and dispose of it in an environmentally friendly manner! 8-25 SHB WL34 * 2.0...
Page 252 5. Unscrew the union nuts and remove all hydraulic hoses. 6. Close the openings oil-tight with the plugs. 7. Remove all cables. Fig. 242 8. Remove nuts 1. 9. Remove the control valve. Install in the reverse order. Fig. 243 8-26 SHB WL34 * 2.0...
Page 253 Non-return valve 1 bar Control valve HDM19/4 Control valve HDM19/3 2/2 directional valve, electric (lock) Control valve HDS 15/1 Hydraulically switchable lock (3/2 way) Vibration damping valve 6/2 directional valve V123 Drive valve TH7 M-Drive 8-27 SHB WL34 * 2.0...
Page 254 8 Hydraulic system Designation of hydraulic components Designation Other components High pressure filter 7 bar Small combined filter Diaphragm accumulator 25 bar Coolant reservoir Water/oil cooler Hydraulic oil reservoir 8-28 SHB WL34 * 2.0...
Page 255 250 bar 200 bar 250 bar Y117 Y118 DN10 7 bar 150 bar b Y003 a Y004 250 bar 25 bar 250 bar 1 bar Y009 S005 0.5 bar 2 bar S006 5 bar t° 8-29 SHB WL34 * 2.0...
Page 256 Optional 19 ccm / 28 ccm / 22.5 ccm Front-axle drum brake Foot operation To manifold Front axle differential lock Rear axle differential lock Manifold Return without pressure, optional at front or rear Leak oil line 8-30 SHB WL34 * 2.0...
Page 257 250 bar 250 bar 200 bar 250 bar DN10 7 bar b Y003 a Y004 250 bar 19 ccm 25 bar 250 bar 1 bar Y009 S005 0.5 bar 2 bar S006 5 bar t° 8-31 SHB WL34 * 2.0...
Page 258 - 404F-22 (35.7 kW) - TD2011 L04W (55.1 kW) Front-axle drum brake Foot operation To manifold Front axle differential lock Rear axle differential lock Manifold Return without pressure, optional at front or rear Leak oil line 8-32 SHB WL34 * 2.0...
Page 259 8.18 Hydraulic circuit diagram HDM19/4 M-Drive A100 250 bar 250 bar DN10 7 bar V123 b Y005 a Y004 250 bar 19 ccm 25 bar 250 bar 1 bar Y009 S005 0.5 bar 2 bar S006 5 bar t° 8-33 SHB WL34 * 2.0...
Page 260 - 404F-22 (35.7 kW) - TD2011 L04W (55.1 kW) Front-axle drum brake Foot operation To manifold Front axle differential lock Rear axle differential lock Manifold Return without pressure, optional at front or rear Leak oil line 8-34 SHB WL34 * 2.0...
Page 261 Electrical system Fuses Electrical system Fuses Fuse boxes The different electrical circuits are protected with fuses with different current ratings. The fuses are located in different fuse boxes in the cabin and battery container. 1. In the steering column. 2. In the console on the right beside the operator seat. 3.
Page 262 Display in the dashboard Clearance lights right F 19 Numberplate lights F 20 Clearance light (left) For the vehicle outfitted with: Perkins engine 404D-22 (35.7 kW) Perkins engine 404F-22 (35.7 kW) Deutz engine TD 2011 (55.1 kW) SHB WL34 * 2.0...
Page 263 F 31 Fuel pump relay F 32 Not assigned F 33 Engine electronics power supply F 34 Engine electronics power supply F 35 Engine electronics power supply Fig. 246 F 36 Engine electronics power supply, accelerator pedal SHB WL34 * 2.0...
Page 264 (2) Perkins engine 404F-22 (35.7 kW) (3) Deutz engine TD 2011 (55.1 kW) Information Machines with Deutz engines have two additional 150 A main fuses in the Fig. 247 battery container that protect the preheating system. SHB WL34 * 2.0...
Page 265 ► Have a PC/notebook ready with WANDA software installed. 1. Assemble the machine control unit in the reverse order. 2. Start the Wacker Neuson update tool and download the update file if necessary – see "WANDA initial installation instructions." 3. Connect the USB connector of the CAN-USB interface with the USB connection of the PC/notebook.
Page 266 9 Electrical system Machine control unit 6. Select button 2 and select the drive. 7. Engage the starter of the machine. 8. Select the Programming button 3. SHB WL34 * 2.0...
Page 267 Electrical system 9 Machine control unit 9. In the menu bar, select Programming > Vehicle controller. ➥ The Programming interface opens. 10.Select the Programming button 4. 11.Confirm the safety query with OK. SHB WL34 * 2.0...
Page 268 19.WANDA connection - Update the vehicle 20.In the menu bar, select Configuration > Vehicle info and check the machine configuration. 21.Read out the machine error memory and delete it as required – see "WANDA Operator’s Manual." SHB WL34 * 2.0...
Page 269 Scroll wheel for 4th control circuit (option) Button for front electrical connection I (option) High speed/creep gear button Forward/reverse wheel Fig. 250 Rear view Control elements Scroll wheel for 3rd control circuit (option) Differential lock button Fig. 251 SHB WL34 * 2.0...
Page 270 4. Move the bellow upward. 5. Loosen the cable ties and pull out the cables. 6. Loosen nut 4. 7. Dismount the joystick. Install in the reverse order. Check for correct position when fastening the joystick. Fig. 254 9-10 SHB WL34 * 2.0...
Page 271 1-19. 3. Mark the strand positions on the battery master switch 1. 4. Pull off the cable. 5. Remove the screws and take off the battery master switch. Install in the reverse order. Fig. 255 9-11 SHB WL34 * 2.0...
Page 272 Machine display Symbol Indicator for air filter pollution Fig. 257 Indicator for engine coolant level Indicator for water in fuel Indicator for hydraulic oil filter pollution Indicator for hydraulic oil temperature 9-12 SHB WL34 * 2.0...
Page 273 Fig. 258 Failure to observe the error codes can cause serious technical damage! ► For troubleshooting, connect the Wacker Neuson diagnostic system WANDA. Remove cover cap 1 and connect the interface with the machine. Then follow the instructions in the WANDA operator’s manual.
Page 274 G002 Battery K001 High current relay fitting N004 Traction electronics S001 S001 Preheating start switch S008 Battery master switch X001 Instrument panel X002 Instrument panel K001 F006 15 A X002 S008 S008 G002 G002 N004 9-14 SHB WL34 * 2.0...
Page 275 F026 ECU N001/S011/S111/S033/S104/Joystick CAN-L K002 High current relay F026 N004 Traction electronics X001 Instrument panel X001 XE01 CAN interface for engine XJ01 Joystick XJ03 Joystick K002 F026 BK-0,75 WH-0,75 XJ03 XE01 Joystick N004 XJ01 BK/BN-0,5 9-15 SHB WL34 * 2.0...
Page 276 R018 Bus terminating resistance S001 Preheating start switch YE/BK X001 Instrument panel X002 X001 X002 Instrument panel X054 Preheating system Y001 Cutoff solenoid RD/WH X001 X054 PK-0,75 N003 N004 X054 M009 G001 Y001 M001 R001 9-16 SHB WL34 * 2.0...
Page 277 N005 Diesel engine electronics S001 Preheating start switch X001 Instrument panel X002 Instrument panel X001 K007 PK-0,75 WH-0,75 23 21 38 58 78 12 5 N004 39 40 59 60 79 80 N005 G001 M001 9-17 SHB WL34 * 2.0...
Page 278 X010 Engine stop X054 Voltage divider XM01 Engine XM01 X010 YE-0,75 WH-0,75 N005 74 54 53 32 34 13 33 16 36 R=120 Ohm 50 14 X001 PK-0,75 YE-0,75 PK-0,75 YE/WH-0,75 YE-0,75 YE/BN-0,75 S079 B054 9-18 SHB WL34 * 2.0...
Page 279 Y001 Cutoff solenoid X001 Y030 Solenoid valve cold start Y079 Minus compensation solenoid valve Y136 Solenoid valve boost-pressure dependent full-load stop (LDA) X054 N004 K006 K005 G001 M001 X054 Y001 Y030 Y136 Y079 R001 R001 9-19 SHB WL34 * 2.0...
Page 280 H002 H016 H017 H001 H022 Instrument XA02 Instrument XA02 H053 H052 P002 P001 P003 H003 H004 H006 H008 H007 H005 H018 BK-0,5 XA01 YE/BU K058 X007 X001 X007 X001 S002 S006 B001 B006 S004 S005 9-20 SHB WL34 * 2.0...
Page 281 Reverse machine travel solenoid valve Y005 Forward travel solenoid valve Y009 Solenoid valve, differential lock Y010 Travel direction identification solenoid valve 62 55 45 44 N004 X001 Y004 Y005 Y010 Y002 Y009 B003 Sensor GND Sensor GND 9-21 SHB WL34 * 2.0...
Page 282 Voltage divider/manual throttle YE-0,75 N005 Diesel engine electronics (Perkins-404F) R024 Voltage divider manual throttle R025 Voltage divider manual throttle N005 Engine Perkins 404F-22 YE/WH-0,75 YE-0,75 YE/BN-0,75 YE-0,75 YE/BN-0,75 B113 R025 R024 1.1 K 1.1 K B113 Option 9-22 SHB WL34 * 2.0...
Page 283 15 A S016 Working light switch F037 S017 Working light switch 15 A S018 Rotating beacon switch B002a S055 Horn X029 Coding plug engine speed S017 X030 S016 S018 H028 E009 E010 E007 E008 B002 B002a 9-23 SHB WL34 * 2.0...
Page 284 GN/BK-1,5 XL01 Steering-column control lever WH/BK-1,5 WH/BK-1,5 XX05 Trailer socket X003 B002a WH/BK-1,5 GN/BK-1,5 X035 GY-1,5 GY-1,5 B002 X037 H027 H025 H026 H024 21 W 21 W 21 W 21 W B002a XX05 X035 X035 9-24 SHB WL34 * 2.0...
Page 285 Steering-column control lever XX05 Trailer socket GN/BK-1,5 GN/BK-1,5 WH/BK-1,5 WH/BK-1,5 X003 B002a WH/BK-1,5 GN/BK-1,5 X035 GY-1,5 GY-1,5 B002 X037 H027 H025 H026 H024 21 W 21 W 21 W 21 W XX05 B002a X035 X035 9-25 SHB WL34 * 2.0...
Page 286 Trailer socket X053 Reversing light XX04 7 pole socket for front attachments S009 XX05 Trailer socket Option: 7-pole plug receptacle for front attachments X053 X035 X037 H021 H020 XX04 21 W 21 W XX05 X035 X035 9-26 SHB WL34 * 2.0...
Page 287 Front wipe/wash pump M006 Rear wipe/wash pump S020 Front wiper S126 Rear wiper switch Diode window wiper S020 X004 Window wiper, wiper water X030 V010 X004 X030 S126 M002 M003 M002 M005 M003 M006 M002 M003 9-27 SHB WL34 * 2.0...
Page 288 Hazard warning system, 12 V power outlet X023 F013 Interior light F025 Radio F027 Radio W001 Radio aerials X030 X023 Interior light, number plate light X030 XX01 12 V-power outlet fitting W001 A001.a A001.b E014 XX01 A001 B011 B012 9-28 SHB WL34 * 2.0...
Page 289 Rear window heating R032 Heated seat X000 S059 Rear window heating F038 F028 V002 Diode heater 7.5 A 20 A X000 Lights/heating X104 Operator seat interface V002 S059 X104 0 123 M004 R006 M010 R032 X104 X000 9-29 SHB WL34 * 2.0...
Page 290 Y034 Additional control circuit solenoid valve 33 34 Y033 Y034 Y023 Y024 RD/WH RD/WH X064 K020 Y025 K019 31 82 15/30 Y024 Y023 X064 XX02 Y033 Y034 Y023 Y024 Y034 Y033 Sensor GND Sensor GND 9-30 SHB WL34 * 2.0...
Page 291 S161 Inclination switch X030 X039 Safe load indicator X063 Telescopic boom interface X064 Interface options loading rocker Y108 Solenoid valve roll-in stop X064 B008 X063 S161 S161 X030 S161 X039 X063 X064 P006 K109 Y108 9-31 SHB WL34 * 2.0...
Page 292 Tilt cylinder lock solenoid valve RD/WH-1,5 Y094 Solenoid valve (boom interlock) Y095 Solenoid valve (boom interlock) Y119 Solenoid valve (loader unit stabiliser) RD/WH RD/WH RD/WH S112 S112 S112 GN-1,5 X050 X064 Y022 Y119 Y094 Y095 X050 X064 9-32 SHB WL34 * 2.0...
Page 293 9.26 Electrical diagram – 3rd/4th control circuit comfort control (FG11-03) Assign- Designation ment N004 Traction electronics S214 Button 3rd/4th control circuit comfort XJ02 X050 Options XJ02 Joystick Joystick Y149 Solenoid valve comfort control S214 XJ02 N004 X050 Y149 X050 9-33 SHB WL34 * 2.0...
Page 294 Front working lights E010 Front working lights E014 Interior light E016 Numberplate light E024 Low beam (right) E025 Low beam (left) E026 High beam (right) E027 High beam (left) Fuses – see "Fuse assignment" on page 9-2 9-34 SHB WL34 * 2.0...
Page 295 Preheating relay K007 Start high-current relay K010 Turn indicator relay K042 Engine electronics switching relay K047 Working light relay K058 1st/2nd speed switching relay K088 Fuel pump switching relay K089 Switching relay DPF pump (Perkins-404F) 9-35 SHB WL34 * 2.0...
Page 296 Bus terminating resistance R024 Voltage divider manual throttle R025 Voltage divider manual throttle R032 Heated seat Switches S001 Preheating start switch S002 Engine oil pressure switch S004 Pressure switch, air filter S005 Pressure switch, hydraulic oil 9-36 SHB WL34 * 2.0...
Page 297 Start release/brake light switch S126 Rear wiper switch S161 Inclination switch S214 Button 3rd/4th control circuit comfort Diodes V002 Diode heater V010 Diode window wiper Aerials W001 Radio aerial Connector X000 Lights/heating X001 Instrument panel X002 Instrument panel 9-37 SHB WL34 * 2.0...
Page 298 Trailer socket Solenoid valves and couplings Y001 Cutoff solenoid Y002 1st/2nd speed solenoid valve Y004 Reverse machine travel solenoid valve Y005 Forward travel solenoid valve Y009 Solenoid valve, differential lock Y010 Travel direction identification solenoid valve 9-38 SHB WL34 * 2.0...
Page 299 Solenoid valve (boom interlock 2) Y108 Solenoid valve roll-in stop Y119 Solenoid valve (loader unit stabiliser) Y149 Solenoid valve comfort control Cable colors Abbreviation Designation Black Brown Blue Gold Green Gray Orange Pink Silver Turquoise Violet White Yellow 9-39 SHB WL34 * 2.0...
Page 300 9 Electrical system Designation of electrical components 9-40 SHB WL34 * 2.0...
Page 301 Trim Engine cover 10 Trim 10.1 Removing/installing the engine cover Preparing work Auxiliary tool: • Suitable lifting gear • Suitable slings (round slings) with corresponding load-bearing capacity Technical data Designation Weight Engine cover 33 kg CAUTION Injury hazard due to heavy component! The engine cover weighs approx.
Page 302 10.2 Removing/installing the base plate CAUTION Injury hazard due to heavy component! The base plate weighs approx. 13 kg. ► Support the base plate whilst removing the screws. 1. Remove screws 1 and the base plate. Fig. 261 10-2 SHB WL34 * 2.0...
Page 303 Only for vehicles with the additional weight option: Raise the vehicle and fold-in the additional weight. Fig. 263 4. Remove screw 3. Fig. 264 5. Only for vehicles with the additional weight option: Ensure that the left fastening nut 4 is removed. Fig. 265 10-3 SHB WL34 * 2.0...
Page 304 The battery cover weighs approx. 23 kg. ► Support the battery cover when removing it or have a second person hold it. Fig. 266 7. Remove screw 6. 8. Lift and remove the battery cover. Fig. 267 10-4 SHB WL34 * 2.0...
Page 305 ► Use lifting gear of sufficient lifting capacity ► Use functionally safe lifting gear ► Use lifting gear on firm and level ground ► Fasten the lifting gear in a suitable position of the component, or in a position provided for this 10-5 SHB WL34 * 2.0...
Page 306 5. Pull the round sling through the lifting eyes and lightly tighten the lifting equipment 6. Slightly tension the lifting equipment. Fig. 268 7. Remove the fastening screws 2 and carefully remove the rear weight. Install in the reverse order. Fig. 269 10-6 SHB WL34 * 2.0...
Page 307 Fig. 272 installed on the indicating instrument. ► Have a PC/notebook ready with WANDA software installed. 7. Start the Wacker Neuson update tool and download the update file if necessary – see "WANDA initial installation instructions." Installing the update file 1.
Page 308 5. In the menu bar, select Programming > Indicating instrument. ➥ The Programming indicating instrument interface opens. Fig. 273 6. Select the Programming 2 button. 7. Follow the instructions given by the software. ➥ The instrument cluster is programmed. 11-2 SHB WL34 * 2.0...
Page 309 Fig. 274 3. Remove screws 2. 4. Raise the instrument panel. Fig. 275 5. Remove screws 3. Fig. 276 6. Remove screws 4. 7. Slide the bellows downward. 8. Fold the plastic trims aside. Fig. 277 11-3 SHB WL34 * 2.0...
Page 310 11 Cabin Ignition lock 9. Remove plug 5. 10.Remove the starter. Install in the reverse order. Fig. 278 11-4 SHB WL34 * 2.0...
Page 311 Fig. 279 3. Remove screws 2. 4. Raise the instrument panel. Fig. 280 5. Remove screws 3. Fig. 281 6. Remove screws 4. 7. Slide the bellows downward. 8. Fold the plastic trims aside. Fig. 282 11-5 SHB WL34 * 2.0...
Page 312 11 Cabin 12 V connector 9. Remove plug 5. 10.Remove nut 6. 11.Remove the connector. Install in the reverse order. Fig. 283 11-6 SHB WL34 * 2.0...
Page 313 5. Pull the cover slightly upward to remove. Fig. 285 6. Pull off connector 3 and set the cover aside. Fig. 286 7. Dismount the air outlet grille 4. Fig. 287 8. Take out the fresh-air filter 5. Fig. 288 11-7 SHB WL34 * 2.0...
Page 314 Fig. 292 16.Turn the heater casing. 17.Press the fastening clip together and pull it out of the casing in the direction of the arrow. Fig. 293 11-8 SHB WL34 * 2.0...
Page 315 21.Open the fastening clip 14 and remove the cable from the casing. 22.Remove screws 15. Fig. 296 23.Remove two screws on both sides 16. 24.Take out the blower. Install in the reverse order. Fig. 297 11-9 SHB WL34 * 2.0...
Page 316 – see “Removing/installing the heating blower” on page 11-7. 2. Release the tow rope 1. Fig. 298 3. Remove four screws 2 and take out the heat exchanger. Install in the reverse order. Fig. 299 11-10 SHB WL34 * 2.0...
Page 317 3. Pull the steering column completely to the rear and remove the cover. Fig. 300 Fig. 301 4. Disconnect plug connection 2. Fig. 302 5. Remove screw 3. 6. Remove three screws 4. 7. Remove the wiper motor. Install in the reverse order. Fig. 303 11-11 SHB WL34 * 2.0...
Page 318 11 Cabin Wiper motor 11-12 SHB WL34 * 2.0...
Page 319 Malfunctions Towing a machine 12 Malfunctions 12.1 Towing a machine Preparations for towing NOTICE Damage to the variable displacement pump due to towing! ► Oil must be able to circulate freely during towing. To ensure this, the high pressure valves 1 and 2 on the variable displacement pump must be opened before towing (bypass).
Page 320 The closed hydraulic circuit empties itself when towing with the bypass enabled. This can cause unintentional functions when restarting the traveling drive. ► Start the traveling drive only after having completely filled and bled the hydraulic circuit. 12-2 SHB WL34 * 2.0...
Page 321 Voltage too low 125 °C - Incorrect soot load estimate - Engine stop Engine speed Valid data, but above the normal range High Idle + 500 rpm - Engine emergency stop - Suppression of necessary regeneration 12-3 SHB WL34 * 2.0...
Page 322 - Suppression of necessary regeneration - Limited engine speed and torque 3241 Exhaust-gas treatment temperature sensor 1 Voltage too low Over 999 °C and over 5 V - Suppression of necessary regeneration - Incorrect soot load estimate 12-4 SHB WL34 * 2.0...
Page 323 - Limited engine power blocked; Time-out regeneration - Engine speed fluctuating - Suppression of necessary regeneration Regeneration of diesel particulate filter actively 3713 Error Misfiring in burner - Limited engine power blocked; Time-out - Engine speed fluctuating 12-5 SHB WL34 * 2.0...
Page 324 Exhaust-gas treatment 1 burner unit combustion - Limited engine speed and torque 5487 Voltage too low Over 999 °C and below 0.05 V chamber temperature sensor - Suppression of necessary regeneration 6581 Exhaust-gas treatment hydrocarbon dosage Power consumption too high 12-6 SHB WL34 * 2.0...
Page 325 Internal control unit error Ignition ON Internal reset condition fulfilled 517900 Main processor error Internal control unit error Ignition ON Internal reset condition fulfilled 517901 Watchdog error Internal control unit error Ignition ON Internal reset condition fulfilled 12-7 SHB WL34 * 2.0...
Page 326 Internal error of control electronics Ignition ON Ignition off/on 517916 UDS functionality error Internal control unit error Ignition ON Internal reset condition fulfilled 517917 UDS module error Internal control unit error Ignition ON Internal reset condition fulfilled 12-8 SHB WL34 * 2.0...
Page 327 Ignition off/on 519090 VLS mode switch S141 Channel “NC” not in valid range Ignition ON Ignition off/on Pilot control pressure switch raise/lower S162/ 519107 Logic error between raise and lower Engine is running Ignition off/on S163 12-9 SHB WL34 * 2.0...
Page 328 Engine is running Ignition off/on 519382 Auxiliary hydraulics valve A Y033 Short circuit to ground or output overload Ignition ON Ignition off/on 519382 Auxiliary hydraulics valve A Y033 Internal error at output driver Ignition ON Ignition off/on 12-10 SHB WL34 * 2.0...
Page 329 Starter – starter switch active too long (engine is running and 523550 Starter Engine is running Ignition off/on starter is active) 523550 Starter Starter – analog value not in valid range Engine start Ignition off/on 12-11 SHB WL34 * 2.0...
Page 330 12 Malfunctions Error code lists 12-12 SHB WL34 * 2.0...
Page 331 Installation position 13 Installation position 13.1 Hydraulic system V05 – Priority valve V15 / V22 – Control valve...
Page 332 13 Installation position V30 – 2/2-directional valve lock cylinder V72 – Solenoid valve differential lock 13-2 SHB WL34 * 2.0...
Page 333 Installation position 13 V75 – Damping valve V123 – Drive valve TH7 M-Drive 13-3 SHB WL34 * 2.0...
Page 334 13 Installation position 13.2 Electrical system B006 – Temperature sensor engine K001 – High current relay 13-4 SHB WL34 * 2.0...
Page 335 Installation position 13 K002 – High current relay F026 K006 – Pre-heat relay Perkins 404D-22 engine 13-5 SHB WL34 * 2.0...
Page 336 13 Installation position Perkins 404F-22 engine K007 – Start high current relay Perkins 404F-22 engine 13-6 SHB WL34 * 2.0...
Page 337 Installation position 13 K010 – Turn indicator relay K042 – Switching relay of the engine electronics Perkins 404F-22 engine 13-7 SHB WL34 * 2.0...
Page 338 13 Installation position K058 – Switching relay of 1st/2nd speed range K088 – Switching relay of the diesel feed pump Perkins 404F-22 engine 13-8 SHB WL34 * 2.0...
Page 339 Installation position 13 K089 – Switching relay of the DPF pump Perkins 404F-22 engine K090 – Switching relay of the DPF glow plug Perkins 404F-22 engine 13-9 SHB WL34 * 2.0...
Page 340 13 Installation position K109 – Roll-in stop relay S002 – Engine oil pressure switch 13-10 SHB WL34 * 2.0...
Page 341 Installation position 13 S005 – Hydraulic oil filter clogging pressure switch S006 – Hydraulic oil temperature switch 13-11 SHB WL34 * 2.0...
Page 342 13 Installation position 13-12 SHB WL34 * 2.0...
Page 343 Filling up the washer system reservoir ....1-62 Fluids and lubricants ..........1-15 Fluids and lubricants (overview) ......1-15 Front axle ............... 5-1 Type label ............5-9 Fuel tank ............... 2-20 Fuse assignment ..........9-1, 9-2 SHB WL34 * 2.0...
Page 344 Screw dimensions ..........E-13 Lifting cylinder Signal words ............E-25 Remove ............8-17 Special tools Lock pins Claws and extractors ........E-36 Installation ............8-11 Extractor and drive-in pins .......E-36 Remove ............8-11 Spring-loaded cylinder ..........6-8 Lubrication work ........... 1-22 SHB WL34 * 2.0...
Page 345 Worm drive hose clamps ......... E-24 Tilt cylinder Remove ............8-12 Travel drive ............4-1 V-belt/toothed belt ..........1-48 Vehicle Lubrication ............1-22 Payload and axle load ........E-10 Washer system ............ 1-62 Wheel change ............1-68 SHB WL34 * 2.0...
Page 346 S Index SHB WL34 * 2.0...

Wacker Neuson WL34 Service Manual

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