Maintenance service

AP00.20-B-0011BAC

Maintenance service

15.06.2020

Model

934.241/251, 938.14 with engine 457.9, 460.9

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J - Periodic maintenance service (dependent on display indication)

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V4 - Engine valves adjustment OM 457/ OM 460 (at 1st, 5th, 9th, 13th and thus successively at the general maintenance services)

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Maintenance service at each 2 changes of the retarder oil

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Only at the 1st and 2nd M general maintenance services

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Z1 - Additional services only at the 1st M general maintenance service

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Z2 - Additional services every 2 M general maintenance service

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Z4 - Additional services every 4 M general maintenance service

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J1 - Maintenance service every year (requested by the on-board computer)

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J2 - Maintenance service every 2 years (requested by the on-board computer)

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J3 - Maintenance service every 3 years (requested by the on-board computer)

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Maintenance service every 240.000 km or, maximum, every 2 years, whichever comes first

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Maintenance system finalization services

Customer

Order number

License plate number

Current mileage

Date

Signature

J

Input condition not OK:

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Completed

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Checks to be performed by the Technical Consultant

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Check the vehicle paintwork for damage resulting from corrosion or accidents

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Side protection devices, roof and side spoilers: check condition and test operation

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Fire extinguisher: check the fastening, seal, pressure and charge expiration

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Safety belts: check the conditions and operation

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AP91.40-B-1001A

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Horn, alarm buzzer and pilot lamps: check operation

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Power windows actuation, doors power locks and remote control: check operation

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Headlamps and external lamps: check operation

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Windshield wiper and washer: check operation

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Forced ventilation and heating: check operation

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Seats: check adjustment devices operation

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Air conditioning: check operation

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Doors: check the locks, latches and handles for operation

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Services that depend on indication on display

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Engine: observe in the on-board computer the request for oil change and filter

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AP18.00-B-0101TGA

 Check the oil quality set in the maintenance system, eventually, alter it.

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Transmission: observe the on-board computer the request for the oil change

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Gearbox 715.380

AP26.00-B-2601A

 Check the oil quality set in the maintenance system, eventually, alter it.

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Rear axle: observe the on-board computer the request for the oil change

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Rear axle 740.8, 748.2 (HD 7, HL 7)

AP35.00-B-3501D

Rear axle 746.209/213/230/231/233/305, 748.590/594 (HD 6, HL 6, HL 8)

AP35.00-B-3501RVI

 Change oil of the longitudinal differential casing of rear axle.

 Check the oil quality set in the maintenance system, eventually, alter it.

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Retarder: observe on on-board computer the request for the oil change (including oil of the heat exchanger)

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Vehicles 934.241/251, 938.14 with Code BA1 (Voith Retarder with optimized power)

AP43.30-B-4301TG

 Check the oil quality set in the maintenance system, eventually, alter it.

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Air cleaner: observe on on-board computer the request for changing the filter

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AP09.10-B-0980TGA

 After changing the air filter, reset the new air filter change interval on the on board computer.

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Coolant: change the coolant

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AP20.00-B-2080TA

 After changing the coolant, reset the new coolant change interval on the on board computer.

General maintenance

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Kingpins: lubricate with grease under pressure

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AP00.20-B-0020TA

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Front and rear brake shoes actuation shafts: lubricate with grease under pressure

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Type 934.241/251, 938.14 with Code BB6 (Drum brakes on ED (VA) and on ET (HA))

AP00.20-B-0020TA

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Universal joints of the transmission shafts: lubricate with grease under pressure

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AP00.20-B-0020TA

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5th wheel: lubricate with grease under pressure

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Vehicles 934.241/251, 938.14

AP00.20-B-0020TA

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Hydraulic power steering: Check the oil level

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Steering box 765.8

AP46.00-B-4611TG

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Windshield washer reservoir: check the level

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If the level is below the specified

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Replenish it.

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All aggregates (engine, transmission, hydraulic retarder, power rear axle, power steering system, cab hydraulic tipping system): check the tightness and condition

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AP00.20-B-0050TA

 Pay attention to friction points and fixture.

In case of damage and leakage

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Determine and eliminate the cause, with separated invoicing.

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All pipes, hoses (water, oil, fuel and fluids), cables and wire harnesses: check the tightness and condition

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AP00.20-B-0051TA

 Pay attention to friction points and fixture.

In case of damage and leakage

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Determine and eliminate the cause, with separated invoicing.

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Reservoirs, pneumatic and hydraulic components: check the tightness and condition

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AP00.20-B-0052TA

 Pay attention to friction points and fixture.

In case of damage and leakage

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Determine and eliminate the cause, with separated invoicing.

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Shock absorbers of the front and rear suspension of the cab: check the tightness and condition

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AP00.20-B-0052TA

 Pay attention to friction points and fixture.

In case of damage and leakage

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Determine and eliminate the cause, with separated invoicing.

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Dust cover and protection coifs: check the tightness and condition

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AP00.20-B-0052TA

 Pay attention to friction points and fixture.

In case of damage and leakage

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Determine and eliminate the cause, with separated invoicing.

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Front and rear axle shock absorbers: check the tightening of nuts and bolts, re-tightening if necessary

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AP00.20-B-0071TD

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Pneumatic suspension of the 3rd auxiliary axle: visually check the components for wear, cracks and deformation

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Rear axles 749.111/119/164

AP35.50-B-3591TA

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Transmission shafts: check for play and wear of universal joints, sliding sleeve and intermediate bearing

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AP41.10-B-4150A

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Brake system: check brake linings for wear on the on-board computer

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Type 934.241/251, 938.14 with Code BB6 (Drum brakes on ED (VA) and on ET (HA))

AP42.00-B-4293A

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Brake system: check brake linings for wear on the on-board computer

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Type 934.241/251 with Code BB5 (Disk brakes on ED (VA) and ET (HA))

AP42.00-B-4293A

 Record the result in the "Brake pad wear" table.
In case of a short-term missing until the next maintenance, check the thickness of the brake pad visually. According to the checking, replace the brake pads, with separated service order.

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Brake automatic regulator: check the operation of the automatic regulator

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Type 934.241/251, 938.14 with Code BB6 (Drum brakes on ED (VA) and on ET (HA))

AP42.10-B-4291TG

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Automatic brake adjuster: lubricate with grease under pressure

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Steering: check sector rod play, condition and play of the steering terminals

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AP46.00-B-4650TG

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Ventilation and heating system: clean dust filter case

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Front and rear suspension shock absorbers fastening: check the tightening of nuts and bolts, re-tightening if necessary

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AP00.20-B-0071TD

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Fixation of rear stabilizer bar(s): check tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

Engine

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Fuel pre-filter with water separator: change the strainer

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.

AP47.20-B-0783A

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Fuel filter: change the filter

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AP47.20-B-0780TGA

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Drive belt (Poly-V): check for belt and stretchers condition

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AP13.22-B-1351TA

In case of damages

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Replace the belt and/or tensors, with separate invoicing.

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Air filter with dust discharge valve: remove dust

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AP09.10-B-0931TG

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Air filter: check the filtering element saturation condition through the maintenance indicator

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Intake system: check condition and tightness

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AP09.00-B-0953TA

 Pay attention on friction points, and on fixation of intake tube between the air cleaner and the engine.

In case of damage and leakage

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Carry out the repair with separated invoicing.

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Cooling and heating system: visually inspect hoses and pipes for leaks

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AP20.00-B-2050TA

 Visually check.

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Engine cooling system: check the ratio of anti-corrosion/antifreeze agent

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AP05.30-B-0560G

If the ratio of the anti-corrosion/antifreeze additive is below the specified

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Correct against separate invoicing.

V4 - Engine valves adjustment OM 457/ OM 460 (at 1st, 5th, 9th, 13th and thus successively at the general maintenance services)

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Valves: check the clearance

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AP05.30-B-0560G

 Adjust with cold engine or at least 30 minutes after engine shut-off.

If the clearance is not as specified

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adjust the clearance.

Maintenance service at each 2 changes of the retarder oil

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Retarder: change the oil separator filter

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Vehicles 934.241/251, 938.14 with Code BA1 (Voith Retarder with optimized power)

AP43.30-B-4382TG

Only at the 1st and 2nd M general maintenance services

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Spring pack “U” clamps: re-tighten observing the specified tightening torque

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AP00.20-B-0073TB

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Pneumatic suspension brackets to the rear axle (s): re-tighten the nuts observing the tightening torque

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AP00.20-B-0073TB

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Re-tighten the 5th wheel fixing screws at the table and the table fixing screws to the chassis frame

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Vehicles 934.241/251, 938.14

AP00.20-B-0073TB

Z1 - Additional services only at the 1st M general maintenance service

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Arms and steering and connecting bars: check the tightening of nuts and bolts, re-tightening if necessary

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AP00.20-B-0071TD

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Stabilizer bars of front and rear axles: check tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

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Front and rear suspension spring brackets to the frame of the chassis: check the tightening of nuts and bolts, re-tighten if necessary

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Auxiliary axle pneumatic lifter: check tightening of nuts and bolts, re-tighten if necessary

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Vehicle 934.251

AP00.20-B-0071TD

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Suspension of rocker arms: check the tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

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Rear axle tensioner bars: check the tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

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"V" bar(s) to the rear axle (s) and to the chassis frame: check the tightening of nuts and bolts, tightening if necessary

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AP00.20-B-0071TD

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Rear axle (s) stops (air suspension): check the tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

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Rear suspension central bracket to chassis frame: check tightening of nuts and bolts, re-tighten if necessary

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Vehicle 938.142

AP00.20-B-0071TD

 Only for vehicles with metallic suspension 6X4.

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Fuel tank brackets and straps: check tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

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Tank holders on frame: check tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

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Tightening straps on holders: check tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

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Cross member on spring support: check tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

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Cross member behind the gear box: check tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

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Cabin rear fastening: check the tightening of nuts and bolts, re-tightening if necessary

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AP00.20-B-0071TD

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Front suspension of the cabin: check the tightening of nuts and bolts, tightening if necessary

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AP00.20-B-0071TD

Z2 - Additional services every 2 M general maintenance service

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Ventilation and heating system: replace the dust filter

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AP83.00-B-8381TG

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Intermediate bearing bracket of the propeller shaft: check tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

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Stabilizer bars of front and rear axle: check tightening of nuts and bolts, re-tighten if necessary

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AP00.20-B-0071TD

Z4 - Additional services every 4 M general maintenance service

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Headlights: check the aiming, adjust if necessary

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AP82.10-B-8260G

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Exhaust system: Check for tightness, state and fastening

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AP49.00-B-4950A

 Pay attention to friction points and fixture.

In case of damage and leakage;

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Determine and eliminate the cause, with separated invoicing.

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5th wheel: check for operation and play

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Vehicles 934.241/251, 938.14

AP31.10-B-3150TA

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Spring beams / air suspension bellows: visually check for damage

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AP32.20-B-3255A

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Fuel reservoir: clean the sieve

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AP47.10-B-4730A

In case of impurities inside the reservoir

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Make the cleaning with a separate service order.

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Rear crossbar to the chassis frame (vehicles with trailer coupling): check the tightening of nuts and bolts, re-tighten if necessary

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Type 934.241/251, 938.14

AP00.20-B-0071TD

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Towing coupling: remove cotter-pin, check the tightening of castle nut and lock the nut with a new cotter-pin

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Type 934.241/251, 938.14

AP00.20-B-0071TD

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Engine brake: check and adjust operation conditions

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Air radiators of the turbocooler and water: check for damage or obstruction of air flow

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AP09.41-B-0952TA

J1 - Maintenance service every year (requested by the on-board computer)

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Compressed air dryer: replace air drying element cartridge and oil separator

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AP42.60-B-4381TG

 Observe the date of installation of the granulate cartridge!

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Front axle wheel hubs: change the grease and seals; check the bearings and adjust the axial play

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FRONT AXLE 739.3

AP33.20-B-3350TG

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3rd auxiliary axle wheel hubs: change the grease and seals, check the bearings and adjust axial clearance

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Rear axles 749.119

AP35.50-B-3553TG

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Re-tighten the 5th wheel fixing screws at the table and the table fixing screws to the chassis frame

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Vehicles 934.241/251, 938.142

AP00.20-B-0073TB

J2 - Maintenance service every 2 years (requested by the on-board computer)

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Air filter: Change the filtering element

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AP09.10-B-0980TGA

 After changing the air filter, reset the new air filter change interval on the on board computer.

J3 - Maintenance service every 3 years (requested by the on-board computer)

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AdBlue pump: calibrate the pressure accumulator of the AdBlue pump

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Vehicles 934.241/251, 938.142

AP14.40-B-1490TA

Maintenance service every 240.000 km or, maximum, every 2 years, whichever comes first

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Change the AdBlue filter

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AP14.40-B-1481TA

Maintenance system finalization services

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Process the maintenance data on the display: confirm performed services (restart intervals); verify lubricant oil classes (MB) and viscosity (SAE) and change if necessary

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Vehicles 934.241/251, 938.142 with Code JW5 (Telligent maintenance system)

AP00.20-B-0041TG

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Verify and edit the oil class with the diagnosis equipment if necessary (rear drive axles)

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Test drive or roller bench test: pay attention to vehicle safety on the operation of brakes, steering, lighting, warning lights and general performance

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Brake pads wear in %

Left

Right

FM command module

AxleA1

MW/A 2

MW/A 3

AxleA2

MW/A 4

MW/A 5

HM command module

AxleA3

MW/A 2

MW/A 3

AxleA4

MW/A 4

MW/A 5

MW/A = measurement value (indication on display)

Indication: 0 % = new lining; Indication 100 % = worn lining (change)