SPIERINGS AT4 Manual
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SPIERINGS AT4 Manual

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MANUAL SPIERINGS TRUCK AT4
Preface
Dear user,
This operating manual provides the user of the Spierings folding crane with information concerning the crane's
construction and operation. You will find detailed technical specifications and maintenance instructions in the
maintenance part of this manual.
© Copyright Spierings Cranes.
All rights reserved.
No part of this publication may be reproduced or published, in any form or in any way, by print, photo print, microfilm or any other means without prior permission from the
manufacturer.
I
AT4-EN-050819.doc

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Summary of Contents for SPIERINGS AT4

  • Page 1 MANUAL SPIERINGS TRUCK AT4 Preface Dear user, This operating manual provides the user of the Spierings folding crane with information concerning the crane's construction and operation. You will find detailed technical specifications and maintenance instructions in the maintenance part of this manual.

  • Page 2: Liability Clause

    1.2 Any use of the Spierings truck that differs from its design purpose or as described in the use manual or the additions to it, will cause the product warranty and the manufacturer’s liability, for any direct or indirect damage, to expire.

  • Page 3: Explanation Of The Symbols Used

    MANUAL SPIERINGS TRUCK AT4 Explanation of the symbols used CAUTION! Wear safety goggles! Wear safety gloves! Wear safety boots! Wear head protection! Use safety belt! Check! Manual action! Automatic action! Wrong! Right! Information! AT4-EN-050819.doc...

  • Page 4: Table Of Contents

    MANUAL SPIERINGS TRUCK AT4 Index PREFACE ................................I LIABILITY CLAUSE..............................II EXPLANATION OF THE SYMBOLS USED ......................III INDEX ..................................IV GENERAL DATA AT4 ..........................1-1 OPERATION ............................. 2-1 2.1. Get to know the truck ........................2-1 2.2. Truck cab ............................ 2-3 2.2.1.
  • Page 5 Refreshing oil/cooling system ..................3-2 3.1.8. Fire-risk ......................... 3-2 3.1.9. Cleaning of components ....................3-2 3.2. Maintenance plan AT4 truck......................3-3 DIESEL ENGINE............................4-1 4.1. Services in the first period of use ....................4-1 4.2. Access to the diesel engine......................4-2 4.3.
  • Page 6 MANUAL SPIERINGS TRUCK AT4 5.1.4. Gear box oil change ...................... 5-3 5.2. Transfer case ..........................5-3 5.2.1. Specifications transfer case................... 5-3 5.2.2. Maintenance transfer case .................... 5-3 5.2.3. Check oil level transfer case..................5-4 5.2.4. Transfer case oil change ....................5-4 5.3.
  • Page 7 MANUAL SPIERINGS TRUCK AT4 9.7. Hoses and connections pneumatic system ................. 9-5 LUBRICATION............................10-1 10.1. Central lubrication system (Option) ................... 10-1 10.1.1. Timer central lubrication system ................10-1 10.1.2. Grease reservoir central lubrication system .............. 10-1 10.1.3. Greasing points central lubrication system ..............10-2 10.2.

  • Page 8: General Data At4

    The chassis is an especially rigid structure to create a good crane support. In Picture 1-1 you will find the measurements of the SK488 with the AT4 carriage. The dimensions given are the overall dimensions, axle bases and turning circle.
  • Page 9 MANUAL SPIERINGS TRUCK AT4 Steering: • Axle 1, 2 en 4 are steered. Mechanically coupled steering, where axle four is steered in the opposite direction of axle one and two, • realizing a small turning circle. • As option, axle 4 can be mechanically uncoupled and manually steered in the same steering direction as axle 1 and 2 using a joystick.
  • Page 10 MANUAL SPIERINGS TRUCK AT4 Identification: • Engine number: Left-hand on the engine block above the fuel pump. Vehicle identification number: On the identification plate in the co-driver’s leg-room (See Picture 1-2) and stamped in the right frame girder in front of the first axle. (Picture 1-3)

  • Page 11: Operation

    MANUAL SPIERINGS TRUCK AT4 2. Operation 2.1. Get to know the truck Picture 2-1 1. T ruck cab Besides driving the crane, with the controls in the truck cab you can support the crane on outriggers and adjust the carriage axle height.
  • Page 12 MANUAL SPIERINGS TRUCK AT4 Picture 2-2 Storage room support plates To obtain a solid support base on a week ground, support plates can be used. Under the toolbox as well as under the fuel tank there are 2 support plates each.

  • Page 13: Truck Cab

    MANUAL SPIERINGS TRUCK AT4 13. Slin g box On this location you can install a sling box to store your chains and slings. The sling box can be turned aside so the engine housing remains accessible. 14. Spare tire/Sling box/pallet hook support/Hullo clamp support (optional) On this location you can install one of the following options Spare tire support.

  • Page 14: Seats

    MANUAL SPIERINGS TRUCK AT4 2.2.4. Seats The cab has room for the driver and a co-driver. The driver's seat has pneumatic suspension. The seats' position can be adjusted. This should only be done when the vehicle stands still. A) Back adjustment...

  • Page 15: Central Lubrication System (Optional)

    MANUAL SPIERINGS TRUCK AT4 2.2.10. Central lubrication system (optional) The central lubricating system controls are on the centre panel at the co-driver's side. It can be opened by means of 2 clamps (Picture 2-6, B). Picture 2-6 2.2.11. Battery charger remote control batteries You will find the battery charger for the remote controls on the left under the dashboard at the driver's side (Picture 2-6, D).

  • Page 16: Control Panel

    MANUAL SPIERINGS TRUCK AT4 2.3. Control panel Picture 2-7 Indicator lamp steering pressure circuit Switch outrigger beam front right-hand side Switch alarm light Indicator lamp parking brake retract/extend Switch cab lighting on the left Indicator lamp steering pressure circuit 2...
  • Page 17 MANUAL SPIERINGS TRUCK AT4 Indicator lamp steering pressure circuit 1 This amp lights up as soon as the oil pressure in steering circuit 1 is too low. Have the malfunction repaired as soon as possible. If this lamp lights together with lamp 2a: STOP IMMEDIATELY!
  • Page 18 MANUAL SPIERINGS TRUCK AT4 Switch for all axles up/down AXLES With this switch the cylinders of all axles are moved in and out simultaneously (i.e. when supporting the crane on outriggers). AXLES Switch axles 1 and 2 up/down With this switch the cylinders of axles one and two can be moved in and out.
  • Page 19 MANUAL SPIERINGS TRUCK AT4 Outrigger Operation (on the dashboard from left to right) Switch outrigger beam front left-hand side retract/extend Switch outrigger front left-hand side retract/extend Switch outrigger beam rear left-hand side retract/extend Switch outrigger rear left-hand side retract/extend Switch outrigger front right-hand side retract/extend...
  • Page 20 MANUAL SPIERINGS TRUCK AT4 Lever parking brake Pulling this lever backwards the parking brake is engaged. Pulling out the knob and pushing the lever forwards will release the parking brake. 38. Spe edometer/tachograph The truck is equipped with a tachograph. On this device you can read the driving speed and the number of kilometres (miles) driven.
  • Page 21 MANUAL SPIERINGS TRUCK AT4 43. A ir-pressure gauge circuit 1 It indicates the air-pressure in brake circuit 1. When the pressure is below 5.5 bar (80 PSI), indicator lamp 78 will light up. The crane must not be driven. Oil temperature retarder (optional) During normal use the temperature does not exceed 130°C (266 F).
  • Page 22 MANUAL SPIERINGS TRUCK AT4 Steering column switch Picture 2-9 With this switch the direction indicator is controlled. Pushing the switch forward switches on the full beam headlight. Pulling the switch backwards you can give light signals. Pressing the switch tip towards the steering wheel activates the horn.

  • Page 23: Driving The Spierings Crane

    MANUAL SPIERINGS TRUCK AT4 2.4. Driving the Spierings crane The truck driver must observe the locally applicable rules for driving a crane on the public roads at all times. Do not exceed the axle loads as mentioned on the STGO-plate (England).

  • Page 24: Turning Off The Engine

    MANUAL SPIERINGS TRUCK AT4 2.4.2. Turning off the engine The engine can be switched off by turning the ignition key to the 0-position. If the engine has run for a longer period of time, we advise you to leave the engine running at idling speed for a few minutes before switching it off, to prevent the coolant and turbo from overheating.

  • Page 25: Parking Brake

    MANUAL SPIERINGS TRUCK AT4 2.6.2. Parkin g brake The parking brake is engaged when the parking brake lever is moved backwards. This bleeds the spring loaded brake boosters and engages the brake. When pulled fully backwards, the lever is locked and the parking brake remains engaged.

  • Page 26: Retarder/Esc/Cc

    MANUAL SPIERINGS TRUCK AT4 2.7. Retarder/ESC/CC To prevent excessive wear to brakes and clutch the retarder may be used. The retarder can be controlled with the control lever at the right of steering column (33) (Picture 2-12). Picture 2-12 By moving the lever backward (direction A) the retarder can be set in three positions: Approx.

  • Page 27: Variable Vehicle Speed Limit

    MANUAL SPIERINGS TRUCK AT4 When CC is activated, you can increase/lower the speed by tipping the lever upwards/downwards. (While tipping, the speed changes with 0.5 km/h (0.3 mph) per tip.) To switch off the Cruise Control, turn the tip of the lever (1) shortly in position “OFF”.

  • Page 28: Driving Off The Road

    MANUAL SPIERINGS TRUCK AT4 In the table below you will find the condition for switching “ESC” on or off. Result Prevents Switches ESC off Switches ESC on switching on ESC v = outside limit values Park brake disengaged Clutch Operating brake Vacuum brake Postition “OFF”...

  • Page 29: Transverse Differential Lock

    MANUAL SPIERINGS TRUCK AT4 2.8.3. Transverse differential lock If after engaging the longitudinal differential lock there is still too little traction, also the differentials in the axles may be locked. Do this by operating the button "transverse differential lock". To keep the transverse differential lock engaged, the button must be pressed.
  • Page 30 MANUAL SPIERINGS TRUCK AT4 switch cylinders of all axles; in / out Switch cylinders axles 1 and 2; in / out switch cylinders left-hand side; left wheel axles 3 and 4in / out switch cylinders right-hand side; right wheel axle 3 and 4 in / out In this way, the crane set-up can be levelled on sloping grounds.

  • Page 31: Independent Rear Axle Steering

    MANUAL SPIERINGS TRUCK AT4 2.11. Independent rear axle steering With this option, it is possible to steer axle 4 hydraulic, independent from the other steered axles. By doing so, sideway driving is possible (Picture 2-14). Picture 2-14 2.11.1. Driving with independent rear axle steering In order to use the independent rear axle steering the crane should be in transport mode! •...

  • Page 32: Limits Of Using The Independent Rear Axle Steering

    MANUAL SPIERINGS TRUCK AT4 • With the lever (D) you can steer the rear axle Picture 2-15 2.11.2. Limits of using the independent rear axle steering Caution! Driving with erected tower is not permitted! Driving with transverse differential locked is not permitted! Only drive in first or second gear, forward or backward.

  • Page 33: Driving With A Trailer

    Picture 2-16 2.14. Towing the crane Always inform Spierings Cranes before towing the crane. 2.14.1. To wing when the diesel engine can still run When the crane must be towed and the diesel engine can still run, you have to proceed as follows: •...
  • Page 34 MANUAL SPIERINGS TRUCK AT4 2.14.2. Towing when the diesel engine is out of order If the diesel engine is out of order you may proceed in the same way as with a running diesel engine. However, there are a number of additional problems: •...
  • Page 35 MANUAL SPIERINGS TRUCK AT4 3. Maintenance For “normal working conditions” we have in view: A working-week of 5 day’s/40 hours • • 15.000 – 20.000km/year Surroundings temperature: -15 - 40°C (5 – 104F) • All specifications concerning oil and filters can be found in chapter “Technical data”.
  • Page 36 MANUAL SPIERINGS TRUCK AT4 3.1.5. Oils and coolant Various kinds of oil, lubrications, coolant, window washer fluid, battery acid and diesel oil can be harmful to your health when touched. Avoid any physical contact with these substances. 3.1.6. En vironment...
  • Page 37 MANUAL SPIERINGS TRUCK AT4 3.2. Maintenance plan AT4 truck 2-monthly Yearly maintenance Main group Maintenance Daily maintenance Weekly maintenance 2-Yearly maintenance 5- Yearly maintenance maintenance (15.000km) Diesel engine Check Refresh Engine oil Change Oil filter Check Cooling system heck Refresh...
  • Page 38 MANUAL SPIERINGS TRUCK AT4 2-monthly Yearly maintenance Main group Maintenance Daily maintenance Weekly maintenance 2-Yearly maintenance 5- Yearly maintenance maintenance (15.000km) Pneumatic system Change Air dryer filter Drain Air vessels Check Oil atomizer Drain Water separator Check Braking pressure Check...
  • Page 39 This inspection should preferable be carried out by service staff of Spierings Cranes. The truck diesel engine gets a full maintenance, and the oil in the complete truck drive line is changed. For this purpose Spierings Kranen uses synthetic oil (75W90). This oil does not need changing in all drive line components for two years. The hydraulic filter is replaced.
  • Page 40 MANUAL SPIERINGS TRUCK AT4 4.2. Access to the diesel engine To gain access to the diesel engine, different cover plates can be removed. The cover plates on top of the engine cowling also can be removed. However, the tower should be in a vertical position.
  • Page 41 Make sure the crane stands on a horizontally flat base. Unscrew the red filler cap (2) (Picture 4-4) Always fill up the engine oil of the same brand and type. (In doubt consult Spierings Cranes) Check the oil level with the dipstick. (See 4.3.1 Check engine oil level) 4.3.3.
  • Page 42 MANUAL SPIERINGS TRUCK AT4 4.4. Engine oil filter 4.4.1. Oil filter replacement Replace the oil filter after every 15.000km or during the yearly maintenance service at normal working conditions. Put a trough under the oil filter (1) on the left hand next to the crank case (2). (Picture 4-5)
  • Page 43 MANUAL SPIERINGS TRUCK AT4 4.5. Cooling system Check every two months for leakages from hoses, tubes, connections and for damage on the radiator, intercooler and fan. The DAF diesel engine is water cooled. The radiator and intercooler are beneath a cover plate in front of the engine.
  • Page 44 MANUAL SPIERINGS TRUCK AT4 4.5.2. Fill up coolant Do not add cold coolant to a hot engine. Is this by a particular circumstance inevitable, add the fluid slowly with a running engine. Coolant is harmful for your health. Protect your eyes and skin.
  • Page 45 MANUAL SPIERINGS TRUCK AT4 4.5.4. A nti-frost Check the anti-frost concentration every year before winter season. We advise to check the coolants anti-frost concentration before every winter season. Use 40% anti-frost on ethyleneglycol-basis. 4.5.5. Radiator and intercooler Check the radiator and intercooler every year for filthiness.
  • Page 46 MANUAL SPIERINGS TRUCK AT4 4.6. Air inlet system Check the air inlet system every two months for leakages and damage. 4.6.1. Cleaning the air filter Clean the air filter every week at normal working conditions. When the air filter cartridge and sealing ring is damaged, renew the cartridge.
  • Page 47 MANUAL SPIERINGS TRUCK AT4 4.6.2. Air filter cartridge change Change the air filter cartridge every year at normal working conditions. Make sure the engine is not running. Remove the left hand side cover plate from the engine compartment. Detach the clips (1) from the air filter and remove the filter cover (2). (Picture 4-10) Remove the air filter cartridge from the air filter housing (3).
  • Page 48 MANUAL SPIERINGS TRUCK AT4 Make sure the engine is not running. Unscrew the cap (1) from the filter housing (2) and take the cap together with the filter element (3) from the filter housing (see Picture 4-13). Remove the filter element from the cap.
  • Page 49 MANUAL SPIERINGS TRUCK AT4 4.8. Fuel filter/Water separator The fuel filter/water separator is found at the right hand side of the truck behind axle 3. (Picture 4-14) Picture 4-14 4.8.1. Drain the water separator Drain the water separator every week.
  • Page 50 MANUAL SPIERINGS TRUCK AT4 4.8.2. Fuel filter/water separator change Change the filter inside the water separator every year during the yearly maintenance service at normal working conditions, Make sure the engine is not running. Put a trough under the filter.
  • Page 51 MANUAL SPIERINGS TRUCK AT4 Table 4-1 V-belt tension “AVX” open edge V-belts in Newton (N) New V-belt Adjust tension 1200 Check tension >800 V-belt in use Lowest tension Correction tension V-belts with an open edge are recognizable because no textile is present in the rubber. (With exception of the upper side of the V-belt edge.) When a new V-belt is placed, adjust the pretension with the “adjust tension”.
  • Page 52 MANUAL SPIERINGS TRUCK AT4 4.9.3. Gear belt check Check the gear belt during the annual maintenance or every 15.000 operating hours under normal operating conditions. The hydraulic steering pump of steering circuit 1 is mounted on the right hand side on the XE engine. This pump is driven by means of a gear belt.
  • Page 53 MANUAL SPIERINGS TRUCK AT4 4.9.4. Gear belt adjustment Warning! Never tighten gear belts during adjustment. The pump can be damaged this way. Loosen the locknut on the spindle (4, Picture 4-20). Re-adjust the hydraulic pump (2) with the pulley (3) using the adjustment nut on the spindle.
  • Page 54 MANUAL SPIERINGS TRUCK AT4 4.11. Check and adjust the valve clearance Check, and adjust when necessary, the valve clearance during the yearly maintenance service. Cleaning the engine before dismantle it prevents that filth will penetrate. Clean the surroundings of the valve cover.
  • Page 55 MANUAL SPIERINGS TRUCK AT4 4.12. Check and adjust the DEB clearance Clean the surroundings of the valve cover. Remove the bolts of the differential. Remove the valve cover along with the valve cover gasket. Tighten the bolts of the DEB with 110Nm of torque.
  • Page 56 MANUAL SPIERINGS TRUCK AT4 5. Drive line Picture 5-1 shows the drive line of the AT4 truck. Picture 5-1 A. Diese l engine Clutch and gear box High/low transfer case Axles (1, 2, 3 and 4) 5.1. Clutch and gear box 5.1.1.
  • Page 57 MANUAL SPIERINGS TRUCK AT4 5.1.2. Maintenance gear box Check the gearbox every two months for external leakages and filth on the breather. Make sure no water penetrates through the breather by using a high pressure cleaner. This could cause serious damage to the gear box.
  • Page 58 MANUAL SPIERINGS TRUCK AT4 5.1.4. Gear box oil change Change the gear box oil every year during the yearly maintenance service at normal working conditions. Caution! The gear box and oil are hot after driving the truck for a while.
  • Page 59 MANUAL SPIERINGS TRUCK AT4 5.2.3. Check oil level transfer case Check the oil level of the transfer case every two months at normal working conditions. To prevent measuring faults: Do not check the oil level when the transfer case is hot. The oil temperature must be below 40°C (104F).
  • Page 60 MANUAL SPIERINGS TRUCK AT4 5.3. Axles All axles are Kessler & Co axles. Axle number Steered Driven Differential reduction Axle 1 Axle 2 Single 6,35 Axle 3 Lead-through 6,35 Axle 4 Single 6,35 5.3.1. Main tenance axles Check the hubs and differentials of axle 2, 3 and 4 every two months for leakages and filth on the breathers.
  • Page 61 MANUAL SPIERINGS TRUCK AT4 Picture 5-7, model with feed-through differential Make sure the truck stands on level ground. Unscrew plug (2) from filling hole in differential (A) (Picture 5-6 and Picture 5-7). If the oil level is not just below filling hole edge, top up oil through filling hole (2).
  • Page 62 MANUAL SPIERINGS TRUCK AT4 5.3.4. Check oil level hubs Check the oil level of the hubs every two months at normal working conditions. To prevent measuring faults: Do not check the oil level when the hubs are hot. The oil temperature must be below 40°C (104F).
  • Page 63 MANUAL SPIERINGS TRUCK AT4 5.4. Tires 5.4.1. Main tenance tires Check the tires rims every week at normal working conditions. To ensure safety, all tires and rims must be checked regularly for wear and damages. This has to be done on the outside as well on the inside of the wheels.
  • Page 64 MANUAL SPIERINGS TRUCK AT4 5.6.2. Venting the clutch Caution! During venting the clutch fluid level must stay above the minimum level. Picture 5-9 Be sure the engine is turned off. Vent the 10 litre accessories tank. Person 1: Press the clutch pedal for 2/3. (Picture...
  • Page 65 MANUAL SPIERINGS TRUCK AT4 5.6.3. Clutch fluid change Change the clutch fluid every two years at normal working conditions. Be sure the engine is turned off. Vent the 10 litre accessories tank. Place a drainage hose onto the vent nipple (B, Picture 5-10) of the cylinder (3). (Beneath the clutch housing) Open the nipple by turning it half a stroke.
  • Page 66 MANUAL SPIERINGS TRUCK AT4 6. Steering system Picture 6-1 A) Steering housing B) Steering rods C) Steering arms D) Hydraulic auxiliary steering cylinders E) Emergency cylinder Picture 6-1 shows how the steering system is built. The turning motion of the steering wheel is mechanically converted to the motion of the steering rods. These in turn operate the steering arms, whereas the 4 axle steers opposite compared to the first and second axle.
  • Page 67 Repair if necessary. 6.2. Align the steering system To prevent excessive tire wear, align the steering system every year during the maintenance service. All play in the steering system must be checked before aligning it. Please contact Spierings Cranes for instructions. AT4-EN-050819.doc...
  • Page 68 MANUAL SPIERINGS TRUCK AT4 7. Electrical system The on-board voltage is 24 volt. It is supplied by two 12 volt/165Ah batteries, series connected. They are charges by a 24V alternator with a maximum charging current of 35A. With the battery switch next to the battery box, the truck’s electrical circuit can be cut off. It must be done in case of welding jobs and when the crane is parked for a longer period of time.
  • Page 69 MANUAL SPIERINGS TRUCK AT4 7.3. Batteries 7.3.1. Check the batteries Check the batteries of the truck every two months. Caution! Battery acid is harmful for human and environment. Be very careful with it! The batteries must be checked on the following points: •...
  • Page 70 MANUAL SPIERINGS TRUCK AT4 7.3.3. Rep lacing batteries We advise to replace the batteries when the engine will start difficulty. (The batteries must be fully recharged.) Use new batteries with the same brand and dimensions. Be sure the engine is not running. (Remove the ignition key from the ignition slot) First remove the battery clamp (2) at the “-”...
  • Page 71 If necessary fill up the tank with hydraulic oil through the filler hole (3). Always use hydraulic oil of the same brand and type. (Consult Spierings Kranen in case of doubt). Picture 8-1 Below the engine cowling near the steering housing is another tank situated.
  • Page 72 MANUAL SPIERINGS TRUCK AT4 8.2. Hydraulic oil change Change the hydraulic oil every 5 years after analysis. First analyze an oil sample before changing the oil. When oil change is necessary all hydraulic cylinders (including the suspension cylinders) must be retracted.
  • Page 73 Check the suspension’s accumulators every year during the yearly maintenance service at normal working conditions. The suspension system of the AT4 has eight accumulators. All are mounted on the hydraulic suspension cylinders of every axle. You need a special tool of HYDAC to check the accumulators.
  • Page 74 MANUAL SPIERINGS TRUCK AT4 8.5. Hoses and connections hydraulic system Check all the components of the hydraulic system for leakages and damages every two months. All hoses, connections, hydraulic blocks, filters, cylinders and oil tank must be checked regularly for damages and leakages.
  • Page 75 MANUAL SPIERINGS TRUCK AT4 9. Pneumatic system The pneumatic system consists of a primary system and a secondary system. • The primary system is for the brakes of the truck (approx. 9,8 bar) • The secondary system is for the accessories (approx. 7 bar) A compressor mounted on the engine delivers the air pressure.
  • Page 76 MANUAL SPIERINGS TRUCK AT4 Components activated by the secondary system: • Gear box: - Controlling various functions gear box • Engine brake: - Shut off the exhaust valve - Switch of fuel pump • Transfer case: - Switch off high/low gearing - Switch off longitudinal differential lock •...
  • Page 77 MANUAL SPIERINGS TRUCK AT4 9.4. Air vessels Check the air vessels every week for the presence of condensate water. Check the air vessels for condensate water by pulling or pushing the drainage valve mounted underneath the vessels. When there is regularly condensate water found, change the air dryer filter. (See 9.3.1 Air dryer filter...
  • Page 78 MANUAL SPIERINGS TRUCK AT4 9.5.1. Refill air lubricator Make sure the diesel engine is not running. Unscrew the bowl (5) and top up with oil. Reinstall the bowl with oil. Eventually adjust the amount of lubrication by means of the control crew (4).
  • Page 79 MANUAL SPIERINGS TRUCK AT4 9.6. Check brake pressure Check the brake pressures of all axles every year during the yearly maintenance service. An inspected pressure gauge must be attached to the brake boosters in order to measure its pressure. Turn on the engine and activate the brake pedal valve.
  • Page 80 MANUAL SPIERINGS TRUCK AT4 10. Lubrication 10.1. Central lubrication system (Option) Check all the lubrication points of the central lubrication system every 2 months. Also check the grease reservoir for sufficient grease. Joints, hinges and bearings must be lubricated regularly. A central (automatic) lubrication system is therefore used.
  • Page 81 MANUAL SPIERINGS TRUCK AT4 10.1.3. Greasing points central lubrication system Pin joints (1) suspension cylinders above and below. (Picture 10-3) Hubs (2) above and below (Except axle 3) Picture 10-3 Picture 10-4 Pin joints steering arms (3) 4. Spring-loaded rod (4) 10-2 AT4-EN-050819.doc...
  • Page 82 MANUAL SPIERINGS TRUCK AT4 10.2. Manual lubrication The grease interval for all manual greasing points is 2 monthly. When not chosen for the central lubrication option, the lubrication points mentioned in chapter 10.1.3. should be manual lubricated too. Use a grease gun or brush with EP2 grease for manual lubrication.
  • Page 83 MANUAL SPIERINGS TRUCK AT4 10.2.3. Card an shafts Picture 10-7 Cardan universal joints gear box Cardan universal joints axle 2 Cardan universal joints axle 3 Cardan universal joints axle 4 10.2.4. Steerin g system The various steering rods ball joints are maintenance- free.
  • Page 84 MANUAL SPIERINGS TRUCK AT4 10.2.1. T ower supports The tower supports are located behind the cabin on top of the motor cowling. (See Picture 10-9) Grease the supports with EP2 by means of a brush. Picture 10-9 10-5 AT4-EN-050819.doc...
  • Page 85 MANUAL SPIERINGS TRUCK AT4 11. Various 11.1. Window washer fluid Check the window washer fluid level every week. 11.2. Fire extinguisher The fire extinguisher must be inspected every year by an acknowledged instance. 11-1 AT4-EN-050819.doc...
  • Page 86 MANUAL SPIERINGS TRUCK AT4 12. Technical data Diesel engine Spierings nr. Motor oil SAE 15W40 ACEA E4-98 Oil filter DAF nr. 1397765 SERV01150065 V-belt water pump-, fan- and DAF Nr. 1393365 alternator drive (2x) V-belt tension measuring tool single- Krikit I (DAF Nr. 1240442)
  • Page 87 MANUAL SPIERINGS TRUCK AT4 13. Enclosures Enclosure 1 Hydraulics Enclosure 3 Electrical diagrams Enclosure 4 Electrical connections Enclosure 5 Lubrication 13-1 AT4-EN-050819.doc...

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