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SPIERINGS AT7 Manual

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MANUAL SPIERINGS TRUCK AT7
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
AT7-EN-050420

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  • Page 1 MANUAL SPIERINGS TRUCK AT7 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 AT7 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! AT7-EN-050420...

  • Page 4: Table Of Contents

    MANUAL SPIERINGS TRUCK AT7 Index PREFACE ................................I LIABILITY CLAUSE ..............................II EXPLANATION OF THE SYMBOLS USED ......................III INDEX ..................................IV GENERAL DATA AT7 ..........................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 MANUAL SPIERINGS TRUCK AT7 2.13.2. Towing when the diesel engine is out of order............2-25 2.14. Dolly ............................2-26 2.14.1. Controls ........................2-26 2.14.2. Manual dolly wheels alignment .................. 2-27 MAINTENANCE ............................3-1 3.1. General ............................3-1 3.1.1. Clothing ......................... 3-1 3.1.2.
  • Page 6 MANUAL SPIERINGS TRUCK AT7 5.1.2. Maintenance gear box ....................5-2 5.1.3. Check oil level of the gear box..................5-2 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.
  • Page 7 MANUAL SPIERINGS TRUCK AT7 9.6. Check brake pressure ......................... 9-5 9.7. Hoses and connections pneumatic system ................. 9-5 LUBRICATION............................10-1 10.1. Central lubrication system ......................10-1 10.1.1. Greasing points central lubrication system ..............10-2 10.2. Manual lubrication ........................10-3 10.2.1.

  • Page 8: General Data At7

    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 AT7 carriage. The dimensions given are the overall dimensions, axle bases and turning circle.
  • Page 9 MANUAL SPIERINGS TRUCK AT7 Steering with dolly:  All axles are steered except axle four.  Mechanically coupled steering, where 1, 2 and 3 are steered in the opposite direction of axle 5, 6 and 7, realizing a small turning circle.
  • Page 10 MANUAL SPIERINGS TRUCK AT7 Identification:  Engine number: Left-hand side on the engine block above the fuel pump. Vehicle identification number: On the identification plate in the co-driver’s leg-room (See Picture 1-1) and stamped in the right frame girder in front of the first axle. (Picture 1-2)

  • Page 11: Operation

    MANUAL SPIERINGS TRUCK AT7 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 support the crane on outriggers and adjust the carriage axle height.
  • Page 12 MANUAL SPIERINGS TRUCK AT7 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 AT7 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. 2.2.1. Getting in Use the step under the door. Make use of the steering wheel to hold on to.

  • Page 14: Safety Seatbelts

    MANUAL SPIERINGS TRUCK AT7 2.2.5. Safety seatbelts For the safety of the driver, the seats of the Spierings cab are equipped with seatbelts. Caution! The seatbelts should always be used while driving in the Spierings crane. Before using the seatbelts, always check the emergency locking mechanism of the retractor.

  • Page 15: Storage Room

    MANUAL SPIERINGS TRUCK AT7 Make sure the seatbelt is securely fastened (check buckle) and check the tension of the seatbelt. Release the seatbelt by pressing the release button on the buckle (Picture 2-8). Picture 2-8 While using the seatbelts make sure that: The seatbelt is used by one person at a time.

  • Page 16: Fuse Box

    MANUAL SPIERINGS TRUCK AT7 2.2.8. Fuse box The fuse box is at the co-driver's side in the centre console (Picture 2-9, B). You will find the fuses listed in the enclosures. 2.2.9. Windscreen washer reservoir (Picture 2-9, C) 2.2.10. Central lubrication system (optional) The central lubricating system controls are on the centre panel at the co-driver's side.

  • Page 17: Control Panel

    MANUAL SPIERINGS TRUCK AT7 2.3. Control panel Picture 2-10 Indicator lamp steering pressure circuit Switch outrigger beam front right-hand side Indicator lamp transfer case neutral Indicator lamp parking brake retract/extend Switch transfer case neutral Indicator lamp steering pressure circuit 2...
  • Page 18 MANUAL SPIERINGS TRUCK AT7 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 19 MANUAL SPIERINGS TRUCK AT7 Rotating beacon With this switch the rotating beacon can be switched on and off. Fog tail-light With this switch the fog tail-light on the cab can be switched on and off. Switch for all axles up/down AXLES With this switch the cylinders of all axles are moved in and out simultaneously (i.e.
  • Page 20 MANUAL SPIERINGS TRUCK AT7 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 21 MANUAL SPIERINGS TRUCK AT7 Speedometer/tachograph The truck is equipped with a tachograph. On this device you can read the driving speed and the number of kilometres (miles) driven. The tachograph also contains a clock (1). This clock drives a diagram disc. On this disc the activities of the driver are written by means of scribers. The disc can be replaced by opening slot 2 (see Picture 2-11).
  • Page 22 MANUAL SPIERINGS TRUCK AT7 Oil temperature retarder (optional) During normal use the temperature does not exceed 130°C (266 F). If the indicator enters the red zone, you have to gear down or set the retarder at a lower value. If this does not help, the retarder must be switched off.
  • Page 23 MANUAL SPIERINGS TRUCK AT7 Indicator lamp quick coupling dolly uncoupled Indicator lamp wheels of truck aligned Indicator lamp wheels of dolly aligned Indicator lamp dolly pins unlocked Indicator lamp dolly pins locked 2-13 AT7-EN-050420...
  • Page 24 MANUAL SPIERINGS TRUCK AT7 Steering column switch Picture 2-12 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 25: Driving The Spierings Crane

    MANUAL SPIERINGS TRUCK AT7 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 26: Turning Off The Engine

    MANUAL SPIERINGS TRUCK AT7 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 27: Parking Brake

    MANUAL SPIERINGS TRUCK AT7 2.6.2. Parking 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 28: The Bremsomat (Optional)

    MANUAL SPIERINGS TRUCK AT7 2.7.1. The Bremsomat (Optional) Using the bremsomat the retarder is set to a maximum speed. A constant speed is ensured during driving down hill. By pushing the tip of the handle (1) towards the steering column (direction B), the Bremsomat is activated and set to the speed of that moment.

  • Page 29: Variable Vehicle Speed Limit

    MANUAL SPIERINGS TRUCK AT7 2.7.3. Variable vehicle speed limit De variable vehicle speed limit gives the opportunity to set the vehicle speed to a desired speed limit. The variable vehicle speed limit only works when the travel speed is over 30 km/h (19 mph).

  • Page 30: Longitudinal Differential Lock

    MANUAL SPIERINGS TRUCK AT7 2.8.2. Longitudinal differential lock When there is insufficient traction while driving off the road, the longitudinal differentials can be locked with button "longitudinal differential lock". Engagement of the longitudinal differential lock is indicated by the indicator lamp next to the switch.

  • Page 31: Parking

    MANUAL SPIERINGS TRUCK AT7 2.9. Parking Put the transmission in low range (1-4) and engage the parking brake. Fully lower the vehicle. Switch off the engine and subsequently the battery switch. When parking up-hill: transmission in 1st gear, parking brake engaged.
  • Page 32 MANUAL SPIERINGS TRUCK AT7 Caution! 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 “Blocking”...

  • Page 33: Independent Rear Axle Steering

    MANUAL SPIERINGS TRUCK AT7 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 2-16). Picture 2-16 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 34: Limits Of Using The Independent Rear Axle Steering

    Refer to crane manual. 2.13. Towing the crane Always inform Spierings Cranes before towing the crane. 2.13.1. Towing 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 35 MANUAL SPIERINGS TRUCK AT7 2.13.2. 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 36 MANUAL SPIERINGS TRUCK AT7 2.14. Dolly 2.14.1. Controls To disconnect or connect the dolly from/to the truck the buttons and lever on the front left side of the dolly must be operated. (See crane manual chapter “3.3. Dolly”) A) Engage/disengage parking brake...
  • Page 37 MANUAL SPIERINGS TRUCK AT7 2.14.2. Manual dolly wheels alignment When the dolly wheels are not properly aligned compared to the truck wheels (indicator lamps 62 and 63), they must be aligned manually. To align the dolly’s steering mechanism, proceed as follows: The truck must be aligned in front of the dolly.
  • Page 38 MANUAL SPIERINGS TRUCK AT7 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 39 MANUAL SPIERINGS TRUCK AT7 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. Environment In order to reduce environmental pollution to a minimum we advice you to comply with the following rules: ...
  • Page 40 MANUAL SPIERINGS TRUCK AT7 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 Engine oil Check Refresh Oil filter Change Cooling system Check Coolant Check...
  • Page 41 MANUAL SPIERINGS TRUCK AT7 2-monthly Yearly maintenance Main group Maintenance Daily maintenance Weekly maintenance 2-Yearly maintenance 5- Yearly maintenance maintenance (15.000km) Pneumatic system Air dryer filter Change Air vessels Drain Oil atomizer Check Water separator Drain Braking pressure Check Hoses and connections...
  • Page 42 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 Cranes uses synthetic oil (75W90). This oil does not need changing in all drive line components for two years. The hydraulic filter is replaced.
  • Page 43 MANUAL SPIERINGS TRUCK AT7 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 44 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 4.3.1 Check engine oil level) 4.3.3.
  • Page 45 MANUAL SPIERINGS TRUCK AT7 4.4. Engine oil filter 4.4.1. Oil filter replacement Replace the oil filter after every 15.000km (9320 miles) 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 46 MANUAL SPIERINGS TRUCK AT7 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 47 MANUAL SPIERINGS TRUCK AT7 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 48 MANUAL SPIERINGS TRUCK AT7 4.5.4. Anti-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 49 MANUAL SPIERINGS TRUCK AT7 Picture 4-10 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 50 MANUAL SPIERINGS TRUCK AT7 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 51 MANUAL SPIERINGS TRUCK AT7 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 52 MANUAL SPIERINGS TRUCK AT7 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 53 MANUAL SPIERINGS TRUCK AT7 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 54 MANUAL SPIERINGS TRUCK AT7 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 55 MANUAL SPIERINGS TRUCK AT7 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 56 MANUAL SPIERINGS TRUCK AT7 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 57 MANUAL SPIERINGS TRUCK AT7 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 58 MANUAL SPIERINGS TRUCK AT7 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 59 MANUAL SPIERINGS TRUCK AT7 5. Drive line Picture 5-1 shows the drive line of the AT7 truck. Picture 5-1 Diesel 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 60 MANUAL SPIERINGS TRUCK AT7 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 61 MANUAL SPIERINGS TRUCK AT7 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 62 MANUAL SPIERINGS TRUCK AT7 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 63 MANUAL SPIERINGS TRUCK AT7 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.
  • Page 64 MANUAL SPIERINGS TRUCK AT7 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. Make sure the truck stands on a horizontally flat base.
  • Page 65 MANUAL SPIERINGS TRUCK AT7 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 66 MANUAL SPIERINGS TRUCK AT7 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.
  • Page 67 MANUAL SPIERINGS TRUCK AT7 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”.
  • Page 68 MANUAL SPIERINGS TRUCK AT7 Be sure the engine is turned off. Vent the 10 litre (338 oz) 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.
  • Page 69 MANUAL SPIERINGS TRUCK AT7 6. Steering system Picture 6-1 A) Steering housing B) Steering rods C) Steering arms D) Hydraulic auxiliary steering cylinders E) Emergency cylinder F) Hydraulic steering cylinders for steering the dolly G) Steering cylinders dolly H) Steering rods dolly Picture 6-1 shows how the steering system is built.
  • Page 70 To prevent excessive tire wear, align the steering system every year during the maintenance service. All play in the steering system of the truck must be checked before aligning it. Please contact Spierings Cranes for instructions. To align the dolly steering system, see chapter “2.14.2. Manual dolly wheels alignment”. AT7-EN-050420...
  • Page 71 MANUAL SPIERINGS TRUCK AT7 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 72 MANUAL SPIERINGS TRUCK AT7 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 73 MANUAL SPIERINGS TRUCK AT7 7.3.3. Replacing 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 74 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 Cranes in case of doubt). Picture 8-1 Below the engine cowling near the steering housing is another tank situated.
  • Page 75 MANUAL SPIERINGS TRUCK AT7 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 76 Check the suspension’s accumulators every year during the yearly maintenance service at normal working conditions. The suspension system of the AT7 has 14 accumulators. All are mounted on the hydraulic suspension cylinders of every axle. You need a special tool of HYDAC to check the accumulators.
  • Page 77 MANUAL SPIERINGS TRUCK AT7 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 78 MANUAL SPIERINGS TRUCK AT7 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 (142 PSI))  The secondary system is for the accessories (approx. 7 bar (102 PSI)) A compressor mounted on the engine delivers the air pressure.
  • Page 79 MANUAL SPIERINGS TRUCK AT7 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 80 MANUAL SPIERINGS TRUCK AT7 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 81 MANUAL SPIERINGS TRUCK AT7 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 82 MANUAL SPIERINGS TRUCK AT7 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 83 MANUAL SPIERINGS TRUCK AT7 Lubrication Joints, hinges and bearings must be lubricated regularly. A central lubrication system is therefore used. Nevertheless all grease points must be checked for sufficient grease. If not, damage is the result. 10.1. Central lubrication system The grease interval for all central lubrication greasing points is 2 monthly.
  • Page 84 MANUAL SPIERINGS TRUCK AT7 10.1.1. Greasing points central lubrication system Check all the lubrication points of the central lubrication system every 2 months. Pin joints (1) suspension cylinders above and below. (Picture 10-2) Hubs (2) above and below (Except axle 4)
  • Page 85 MANUAL SPIERINGS TRUCK AT7 10.2. Manual lubrication The grease interval for all manual greasing points is 2 monthly. Use a grease gun or brush with EP2 grease for manual lubrication. 10.2.1. Outrigger beam cylinders In Picture 10-4 is shown the position of the grease nipple of the cylinder inside the outrigger beam.
  • Page 86 MANUAL SPIERINGS TRUCK AT7 10.2.3. Cardan shafts Picture 10-6 Cardan universal joints gear box Cardan universal joints axle 2 Cardan universal joints axle 3 Cardan universal joints axle 4 10.2.4. Steering system The various steering rods ball joints are maintenance- free.
  • Page 87 MANUAL SPIERINGS TRUCK AT7 10.2.1. Tower supports The tower supports on the truck are located behind the cabin on top of the motor cowling. (See Picture 10-8) Grease the supports with EP2 by means of a brush. Picture 10-8 The tower supports on the dolly are located as indicated in Picture 10-9.
  • Page 88 MANUAL SPIERINGS TRUCK AT7 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 AT7-EN-050420...
  • Page 89 MANUAL SPIERINGS TRUCK AT7 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 90 MANUAL SPIERINGS TRUCK AT7 Enclosures General Hydraulics Pneumatics Electrical diagrams Electrical cabinet, distribution boxes and electrical connections Proximity switches Greasing 13-1 AT7-EN-050420...

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