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USER 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.
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.
Change oil cooling system ..................... 3-2 3.1.8. Fire hazard ........................3-2 3.1.9. Cleaning components ....................3-2 3.2. Maintenance plan truck AT4 ......................3-1 THE DIESEL ENGINE ..........................4-1 4.1. Access to the diesel engine ......................4-2 4.2. Engine oil ............................ 4-2 4.2.1.
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USER MANUAL SPIERINGS TRUCK AT4 4.2.2. Fill up engine oil ......................4-2 4.2.3. Engine oil change ......................4-3 4.3. Engine oil filter ..........................4-4 4.3.1. Oil filter replacement ...................... 4-4 4.4. Cooling system ..........................4-5 4.4.1. Check coolant level ....................... 4-5 4.4.2.
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USER MANUAL SPIERINGS TRUCK AT4 5.6. Clutch ............................5-10 5.6.1. Checking the clutch ..................... 5-10 5.6.2. Venting the clutch ......................5-10 5.6.3. Clutch fluid change ...................... 5-11 STEERING SYSTEM ..........................6-1 6.1. Check the steering system ......................6-2 6.2. Align the steering system ......................6-2 ELECTRICAL SYSTEM ..........................
The chassis is an especially rigid structure to create a good crane support. In Picture 1-1 you will find the measurements of the SK477 with the AT4 carriage. The dimensions given are the overall dimensions, axle bases and turning circle.
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USER MANUAL SPIERINGS TRUCK AT4 Steering: • Axles one, two and four are steered. • Mechanically coupled steering, where axle four is steered in the opposite direction of axle one and two, realizing a small turning circle. • Hydraulically powered 1-circuit steering system.
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USER MANUAL SPIERINGS TRUCK AT4 Identification: Engine number: On top of the engine block. Carriage frame 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 (See Picture 1-3).
USER MANUAL SPIERINGS TRUCK AT4 2. Operation 2.1. Get to know the truck Picture 2-1 Truck cab Besides driving the crane, with the controls in the truck cab you can adjust the carriage axle height and switch the generator (PTO) on and off.
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USER MANUAL SPIERINGS TRUCK AT4 Picture 2-2 Storage box/Power box In the storage box on the left side you will find the power- box (2). With the selector switch on the power-box, the power supply for the crane is selected. Either an external power supply can be connected to this power box, or the built-in generator supplies the power.
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USER MANUAL SPIERINGS TRUCK AT4 Storage room support plates (optional) To obtain a solid support base on a week ground, support plates can be used. Under the storage box on the left hand side (See Picture 2-3, 1) as well as under the fuel tank there are 2 support plates each.
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USER MANUAL SPIERINGS TRUCK AT4 14. Underneath the engine cowling Under the engine cowling at the left hand side the filter for the truck’s hydraulics (4) can be found. On the right hand side the air dryer (2) and grease pump (1) for automatic lubrication (optional) are located.
USER MANUAL SPIERINGS TRUCK AT4 2.2. Truck cab In the truck cab you drive the crane safely and comfortably to its destination. This chapter makes you familiar with the cab. Getting in Use the step under the door. Make use of the steering wheel to hold on to.
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USER MANUAL SPIERINGS TRUCK AT4 Windscreen washer reservoir (2) The windscreen washer reservoir is mounted on the left-handed side below the dashboard on the co-driver’s side. (See Picture 2-10) Picture 2-10 Battery charger remote control batteries You will find the battery charger (1) for the remote control of the crane on the middle console of the cabin (See Picture 2-10).
USER MANUAL SPIERINGS TRUCK AT4 2.3. Control panel Picture 2-11 Airflow heater Switch windscreen washer Manual pedal hold Heater (this knob can also be located on the Switch cab interior light on the left Lever parking brake left hand side of the tunnel)
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USER MANUAL SPIERINGS TRUCK AT4 Knob heater warm/cold Turning this knob, the air of the heater can be set warmer or colder. This knob can also be located on the left hand side of the tunnel. Voltmeter Batteries On this meter you can read the battery condition. The meter must be in the middle (approx. 24 Volt) Oil-pressure gauge diesel engine When starting this gauge will read approx.
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USER MANUAL SPIERINGS TRUCK AT4 18. Air-pressure gauge circuit 1 It indicates the air-pressure in brake circuit 1. When the pressure is below 5.5 bar, indicator lamp 12 will light up. The crane must not be driven. 19. Air-pressure gauge circuit 2 This gauge indicates the air-pressure in brake circuit 2.
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USER MANUAL SPIERINGS TRUCK AT4 25. Rotating beacon With this switch the Rotating beacon can be switched on and off. 26. Fog tail-light With this switch the fog tail-light on the cab can be switched on and off. 27. Light switch By pressing this switch halfway, the parking lights are switched on.
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USER MANUAL SPIERINGS TRUCK AT4 There is a problem in case the light still lights up and the beeper sounds when no buttons are activated. It means that a button of the suspension or outrigger control is still activated. This should be repaired immediately. The diesel engine must be turned off.
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USER MANUAL SPIERINGS TRUCK AT4 47. Speedometer / tachograph The truck is equipped with a VDO or Vederroot tachograph. On this device you can read the driving speed and the number of kilometres driven. The tachograph also contains a clock (1). This clock drives a diagram disc.
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USER MANUAL SPIERINGS TRUCK AT4 55. Switch for all axles up/down AXLES With this switch the cylinders of all axles are moved in and out simultaneously (e.g. when supporting the crane on outriggers). 56. Switch axles 1 and 2 up/down AXLES With this switch the cylinders of axles one and two can be moved in and out.
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USER MANUAL SPIERINGS TRUCK AT4 63. Selector switch PTO Together with switch 45 the PTO is switched on. While the PTO is switched on indicator lamp 46 lights up. The PTO drives a generator, which supplies power for crane operation.
USER MANUAL SPIERINGS TRUCK AT4 2.4. Driving the Spierings crane The driver is expected to have a driving license for driving a heavy truck and have sufficient technical knowledge. While driving and manoeuvring the crane, the driver must be aware of the crane's unusual form, measurements and steering characteristics;...
USER MANUAL SPIERINGS TRUCK AT4 2.4.3. Driving on the road The gearbox has 8 synchronized gears; they are divided in a low range (1st - 4th) and a high range (5th - 8th). To shift between the two ranges, the shift lever must be in neutral position and be pushed to the right through a slight resistance.
USER MANUAL SPIERINGS TRUCK AT4 2.5. Driving off the road 2.5.1. Off the road gear (transfer case) When driving off the road or when low speed is required (e.g. driving with erected tower) you can put the transfer case in terrain mode (low speed L).
USER MANUAL SPIERINGS TRUCK AT4 2.6. Braking system All axles are equipped with drum brakes. The crane is equipped with three braking systems: • Operating brake • Parking brake • Vacuum brake/engine stop 2.6.1. Operating brake The operating brake is operated with the brake pedal and works fully pneumatically. The air pressure is indicated on the dashboard by two air-pressure gauges.
Picture 2-16 Couple the towing vehicle with a coupling-rod to the front of the crane and tow it slowly away from the dangerous situation. In case of doubt always contact the Technical Department of Spierings Kranen. 2-19 AT4-EN-041115.doc...
USER MANUAL SPIERINGS TRUCK AT4 2.10. Independent rear axle steering With this option, it is possible to steer axle 4 and 5 hydraulic, independent from the other steered axles (axle 1 and 2). By doing so, sideway driving is possible.
USER MANUAL SPIERINGS TRUCK AT4 To switch back to normal driving situation, you have o proceed as follows: • Retract the cylinders until axle 3 (almost) reaches the ground. • Steer the rear axle until the steering arm are in line (orange lamp will go on).
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USER MANUAL SPIERINGS TRUCK AT4 Switch T must be on “driving” for levelling operation! “Driving” (T) In this switch position the suspension is activated. The switch must be in this position while driving on the road. Before driving off, you have to level first.
USER MANUAL SPIERINGS TRUCK AT4 3. Maintenance "Under normal operating conditions” means: • forty-hour week of 5 days • 15,000 – 20,000 km/year • Ambient temperature: -15 to 40°C All oil- and filter specifications are found in Chapter Technical Data.
USER MANUAL SPIERINGS TRUCK AT4 3.1.5. Oils and coolant Different kinds of oil and lubrication, coolant, windscreen washer fluid, battery acid and diesel oil can present a health hazard when touched. Avoid any physical contact with these substances! 3.1.6. Environment...
USER MANUAL SPIERINGS TRUCK AT4 4. The diesel engine Picture 4-1 As drive source the Spierings AT4 is fitted with a DAF-turbo diesel engine with intercooler. Data: Brand/type: DAF WS268L Fuel system: Water cooled four stroke with direct injection Inlet system:...
Make sure the crane stands on a horizontally flat base. Unscrew the red filler cap (2) (Picture 4-3) 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 4.2.1 Check engine oil level)
USER MANUAL SPIERINGS TRUCK AT4 4.2.3. Engine oil change Change the engine oil after every 15.000km or every year during the yearly maintenance service at normal working conditions. Make sure the crane stands on a horizontally flat base. Draining the engine oil should preferable take place when the engine is at operating temperature. The engine must be switched off.
USER MANUAL SPIERINGS TRUCK AT4 4.3. Engine oil filter 4.3.1. Oil filter replacement Replace the oil filter after every 15.000km or during the yearly maintenance service at normal working conditions. Always replace the oil filter for a new one. A used filter may never be cleaned and used again.
USER MANUAL SPIERINGS TRUCK AT4 4.4. Cooling system Check every two months for leakages from hoses, tubes, connections and for damage on the radiator, intercooler and fan. 4.4.1. Check coolant level Check the coolant level every week at normal working conditions.
USER MANUAL SPIERINGS TRUCK AT4 4.4.2. 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.
USER MANUAL SPIERINGS TRUCK AT4 4.4.3. Change coolant Change coolant every two years at normal working conditions. Do not add cold coolant to a hot engine. Is this by a particular circumstance inevitable, add the fluid slowly with a running engine.
USER MANUAL SPIERINGS TRUCK AT4 4.5. Radiator and intercooler Check the radiator and intercooler every year for filthiness. Be careful concerning the electrical system when cleaning with water. Never use a high pressure cleaner for cleaning the radiator. Wear safety glasses during cleaning the radiator.
USER 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.
USER 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 air cleaner lid. Remove the air filter cartridge from the air filter housing.
USER MANUAL SPIERINGS TRUCK AT4 4.7. Fuel system Check the hoses, tubes and connections every two months for leakages and damages. Open fire is prohibited during work at the fuel system. No smoking! 4.7.1. Fuel filter change/clean Change/clean the fuel filters every 15.000km and during the yearly maintenance service at normal working conditions.
USER MANUAL SPIERINGS TRUCK AT4 4.7.2. Bleeding the fuel system Open the bleed screw (3) on the fuel filter body (left hand side of the diesel engine). Pump fuel out of the bleed screw with the hand pump (4) until no more air bubbles are visible in the fuel hose.
USER MANUAL SPIERINGS TRUCK AT4 4.8. Fuel filter/Water separator 4.8.1. Drain water separator Drain the water separator every week. Depending on the serial no. of the crane two different types of water separators can be fitted. Type 1 is a re- useable water separator.
USER MANUAL SPIERINGS TRUCK AT4 4.8.2. Clean/replace filter water separator Change the filter inside the water separator every year during the yearly maintenance service at normal working conditions. Clean type 1 Put a trough under the water separator. Unscrew bleed plug (1) and the drain plug (2) and drain the water separator.
USER MANUAL SPIERINGS TRUCK AT4 4.9. V-belts 4.9.1. Check the V-belts Check the V-belts every 15.000km at normal working conditions and during the yearly maintenance service. Check if the belt is worn or damaged. Replace if necessary (see TECHNICAL DATA).
USER MANUAL SPIERINGS TRUCK AT4 Table 1 - Belt tension "12.5 mm" V-belts in Newton (N) Multiple V-belt Single V-belt encased open flank Encased open flank New V-belt Adjustment tension 1200 Check tension >600 >800 >300 >400 Worn in V-belt...
USER MANUAL SPIERINGS TRUCK AT4 4.9.4. 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 engine. This pump is driven by means of a gear belt.
USER MANUAL SPIERINGS TRUCK AT4 4.9.5. 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 4-25). Re-adjust the hydraulic pump (2) with the pulley (3) using the adjustment nut on the spindle.
USER MANUAL SPIERINGS TRUCK AT4 4.12. 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. 1. Clean the valve housing covers rim and remove the valve housing covers and gasket.
USER MANUAL SPIERINGS TRUCK AT4 5. Drive line Picture 5-1 shows the drive line of the AT4 truck. Picture 5-1 1. Universal joints cardan shaft gearbox-transfer case (2x) 2. Universal joints cardan shaft axle nr. 3 - axle nr. 2 (2x) 3.
5.1. Clutch and gear box 5.1.1. Specifications gear box The ZF 16S-151 gearbox, installed in the AT4, has 16 gears forward and two gears reverse. The gearbox shifts automatically (by means of air pressure) between the low and high range.
USER MANUAL SPIERINGS TRUCK AT4 5.1.4. Check oil level of the gear box Check the oil level of the gear box every two months at normal working conditions. To prevent measuring faults: Do not check the oil level when the gear box is hot. The oil temperature must be below 40°C (104F).
USER MANUAL SPIERINGS TRUCK AT4 5.2. Transfer case 5.2.1. Specifications transfer case The transfer case is a STEYR type VG2001/396. This transfer case divides the power at the inlet (1, by means of a cardan shaft connected to the driven shaft of the gear box) over two outlets.
USER MANUAL SPIERINGS TRUCK AT4 Drive shaft (A) is the inlet shaft and drive shaft (B) drives axles 2 and 3. (Picture 5-5) Make sure the truck stands on a horizontally flat base. Unscrew the plug from the filler hole (2). (Picture 5-5) The oil level should be at the rim of the filler hole.
USER MANUAL SPIERINGS TRUCK AT4 5.3. Axles All axles are Ginaf axles. Axle number Steered Driven Differential reduction Axle 1 Axle 2 Single 6,57 Axle 3 Lead-through 6,57 Axle 4 Single 6,57 5.3.1. Maintenance axles Check the hubs and differentials of axle 2, 3 and 4 every two months for leakages and filth on the breathers.
USER MANUAL SPIERINGS TRUCK AT4 5.3.3. Differential oil change Change the oil in the differentials every year during the yearly maintenance service at normal working conditions. Caution! The differentials and oil are hot after driving the truck for a while.
USER 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).
USER MANUAL SPIERINGS TRUCK AT4 5.4. Tires 5.4.1. Maintenance 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.
USER MANUAL SPIERINGS TRUCK AT4 5.6. Clutch Check the clutch every year during the yearly maintenance service at normal working conditions. 5.6.1. Checking the clutch Press the clutch pedal a few times completely in. It is necessary to vent the clutch when the clutch feels “spongy”.
USER MANUAL SPIERINGS TRUCK AT4 Be sure the engine is turned off. Vent the 10 litre accessories tank. Person 1: Press the clutch pedal for 2/3. (Picture 5-11, 1 and 2) Person 2: Vent the clutch by opening the vent nipple.
USER 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.
USER MANUAL SPIERINGS TRUCK AT4 6.1. Check the steering system Check the play of the steering arms, ball joints, steering housing (bolts) and steering rods every two moths. The crane must be fully folded. Person 1: Wiggle the steering wheel to the left and right.
USER 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.
USER 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: •...
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.
USER 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.
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.
USER 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 • The secondary system is for the accessories A compressor mounted on the engine delivers the air pressure.
USER MANUAL SPIERINGS TRUCK AT4 9.3. Air dryer To extend life of all components and guarantee there operation, the pneumatic system consist of an air dryer. 9.3.1. Air dryer filter change Change the air dryer filter every two years at normal working conditions.
USER MANUAL SPIERINGS TRUCK AT4 9.5. Air lubricator/water separator Check the level of the air lubricator and drain the water separator every two months at normal working conditions. The air lubricator/ water separator is shown in Picture 9-3 and consist of...
USER 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.
USER MANUAL SPIERINGS TRUCK AT4 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.
USER 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 with EP2 grease for manual lubrication.
USER MANUAL SPIERINGS TRUCK AT4 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-041115.doc...
USER MANUAL SPIERINGS TRUCK AT4 Technical data Diesel Engine Spierings no. Engine oil SAE 15W40 ACEA E4-98 Oil filter (2x) DAF No. MAN W92 SERV02100010 V-belt water pump, fan and dynamo DAF No. 1283100 AADI09500950 drive V-belt DAF No. 0067669...
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