AR01.10-W-2401B | Remove/install engine with transmission | 14.2.12 |
ENGINES 904.9 in MODELS 374, 375, 958, 970, 972, 975, 976
ENGINES 906.9 in MODEL 374, 958, 970, 972, 974, 975, 976
W01.10-0013-09
Shown on engine 904.9
1 Cap (only for engine 904.9)
2 Clutch compressed air line (only for engine 904.9)
3 Compressed air line plug (only for engine 904.9)
4 Engine hoist
5 Chain block
6 Compressed-air line
15 Engine mount
16 Steering suction line
17 Steering pressure line
18 Fuel feed line
19 Fuel return pipe
20 Oil filler pipe
21 Refrigerant compressor (only for code (H03) Air conditioning in front end)
7 Propeller shaft
8 Transmission mount
9 Electrical connector
10 Tamper-proof seal
11 Electrical connector
12 Remove clutch line
13 Wiring harness
14 Electrical connector
W01.10-1035-09
Shown on engine 904.9
22 Exhaust pipe
23 Clip
24 Air intake hose
25 Wiring harness
G2 Alternator
M1 Starter
26 Compressed-air line
27 Wiring harness
28 Circuit 30 cable
29 Ground cable
Modification notes
15.12.09 | Value changed: Nut, electrical line to circuit B2+ ALT | Engine 904.9, 906.9 as of end no.190708 engine 900.9, 902.9 |
| Remove/install | ||
| Notes on self-locking nuts and bolts | ||
Danger! | Risk of explosion caused by escaping oxyhydrogen gas. Risk of injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries caused by short circuit. Risk of poisoning caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices | No fire, sparks, open flames or smoking. Wear acid-resistant gloves and clothing and safety glasses with side guards. Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground. Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers. | |
1 | Disconnect ground lead from battery | ||
| Notes on battery | ||
Danger! | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut. | |
2.1 | Tilt cab using tilting hydraulics | With code (F30) Tilting hydraulics for cab. | |
| Notes on tilting the cab | ||
2.2 | Tilt cab into repair position | Without code (F30) Tilting hydraulics for cab. | |
3 | Remove soundproofing on the left and right on the frame and soundproofing below | ||
4 | Remove charge air pipe from charge air cooler to charge air manifold | ||
5 | Remove charge air pipe from turbocharger to charge air cooler | ||
6 | Remove fan shroud | ||
7 | Detach oil filler pipe (20) at oil pan and secure to frame | Seal opening at the oil pan. | |
8 | Remove exhaust pipe (22) on engine brake flap fitting and remove at transmission; bind exhaust pipe (22) to frame | Installation: Clean sealing surfaces. Check clamp (23) for wear, replace if necessary. | |
9 | Detach compressed air line (26) from engine brake cylinder | ||
10 | Remove air intake hose (24) | ||
11 | Detach line for terminal 30 (28) at starter (M1) and detach electrical wiring harness (27) at bracket | | |
12 | Disconnect electric wiring harness (25) at alternator (G2) and at bracket | Mark lines. | |
Installation: note markings. | |||
Up to engine end no. 190707 | |||
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As of engine end no. 190708 | |||
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13 | Detach ground line (29) and electrical wiring harness (27) at the timing case | ||
14 | Unbolt compressed air line (6) at compressor and inspect for carbon deposits | If carbon deposits are present, it is also necessary to inspect the compressed air line (6) between compressor and compressed-air drier and the four-circuit protection valve. Replace parts showing carbon deposits. | |
Installation: Check compressed-air line (6) for leaks. | |||
Danger! | Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel | No fire, sparks, open flames or smoking. Wear protective clothing when handling fuel. | |
15 | Open fuel tank cap and disconnect fuel feed line (18) and fuel return line (19) at the fuel filter | Collect escaping fuel. Mark fuel feed line (18) and fuel return line (19). | |
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16 | Slacken poly-V belt and remove | Only with code (H03) Air conditioning in front end. | |
17 | Disconnect electrical connector for refrigerant compressor (21) and detach the refrigerant compressor (21) with bracket at the engine and secure to one side | Only with code (H03) Air conditioning in front end. | |
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18 | Pull off cap (1) and disconnect connector for compressed air line (3) from clutch compressed air line (2) for the constant throttle | Only for engine 904.9. | |
19.1 | Detach power steering pump and secure to one side with steering pressure line (17) and steering intake line (16) to one side | Not if a reconditioned engine is installed. | |
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Danger! | Risk of injury to skin or eyes caused by hydraulic fluid spraying out under high pressure. Risk of poisoning caused by swallowing hydraulic fluid | Depressurize hydraulic system completely before starting any work on system. Wear protective clothing and safety glasses. | |
19.2 | Disconnect both hoses at steering pressure line (17) and steering intake line (16) | Only if a reconditioned engine is installed. | |
20 | Release and disconnect electrical connector (14) at engine control (MR) control unit | ||
21.1 | Detach clutch slave cylinder at the transmission and secure to the frame with hydraulic line connected | Transmission with clutch slave cylinder. | |
Installation: Grease the thrust pins. | |||
Danger! | Risk of poisoning caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes. | Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. | |
21.2 | Remove locking element and pull out clutch line (12) at transmission | Transmission with central clutch release bearing. | |
Installation: Bleed clutch operation. | |||
| Brake fluid notes | ||
22 | Disconnect electrical connector (9, 11) at transmission | Installation: Install new lead seal (10) at electrical connector (9). | |
23 | Remove propeller shaft (7) at transmission and at frame | | |
24 | Unscrew screw/bolt for transmission bracket at transmission bearing (8) | Installation: Check transmission bearing (8) for wear; replace if necessary. | |
25 | Unscrew screw/bolts at both engine mounts (15) | Installation: Check engine mount (15) for wear, replace if necessary. | |
26 | Remove engine with removal fixture | ||
Load regulator gotis://H_00.12_04.0 | |||
27 | Detach transmission from engine | Installation: If hub on clutch plate or transmission shaft is not nickel-plated: | |
Lightly grease transmission shaft. | |||
Transmission 710 | |||
Transmission 712.611 | |||
Transmission 712.62/63, 715 | |||
28 | Install in the reverse order | ||
29 | Initialize all transponder keys | ||
30 | Check engine oil level using oil dipstick or on display, correct if necessary | Observe engine oil grade set in maintenance system or Specifications for Operating Fluids. | |
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
31 | Start engine and observe oil pressure gauge with the engine idling | Crank engine with the starter for not more than 90 seconds. Repeat starting procedure after a break of approx. 2 minutes at the earliest. | |
32 | Bleed steering system | Only if a reconditioned engine is installed. | |
Steering 765.83/84 | |||
Steering 765.861 | |||
33 | Turn off engine | ||
34 | Check engine, cooling system and steering hydraulics for leaks | Visual inspection. | |
35 | Set time and synchronize tachograph | ||
36 | Enter engine number in FDOK "Screen 1111" | Only if a reconditioned engine is installed. |
Check values for engine oil pressure
Number | Designation | Engines | ||
BE18.00-N-1001-01C | Engine oil pressure at | Idling speed | bar | 0.5 |
maximum speed | bar | 2.5 | ||
Crankcase, timing case cover, end cover
Number | Designation | Engines 900.9, 902.9, 904.9, 906.9 | ||
BA01.40-N-1005-01C | Screw/bolt, refrigerant compressor carrier to crankcase | Nm | 55 | |
Starter
Number | Designation | Engines | |
BA15.30-N-1002-01B | Nut, terminal 30 at starter | Nm | 30 |
Alternator
Number | Designation | Engines | Engine | ||
BA15.40-N-1009-01B | Screw/bolt, ground line to alternator | Nm | - | 12 | |
BA15.40-N-1010-01B | Nut, electrical line to alternator terminal B+ | Nm | 8 | - | |
BA15.40-N-1011-01B | Nut, electrical line to alternator terminal W | Nm | 4 | - | |
BA15.40-N-1012-01B | Nut, electrical line to alternator terminal B | Nm | 7 | - | |
BA15.40-N-1015-01B | Nut, electrical line to alternator terminal B2+ | Nm | - | 30 | |
Complete manual transmission
Number | Designation | Transmission 710.59/60/69 | Transmission 710.62/68/82 | |
BA26.10-N-1003-01B | Transmission to engine | Nm | 50 | 50 |
Complete manual transmission
Number | Designation | Trans-mission 712.62, | Trans-mission 712.63, | Trans-mission 715.320/ | Trans-mission 715.570/ | |
BA26.10-N-1006-01C | Transmission on engine | Nm | 50 | 50 | 50 | 50 |
Complete manual transmission
Propeller shaft
Number | Designation | Model 374 | Model 375.1, 958.0, | ||
BA41.10-N-1002-01F | Bolt/nut, propeller shaft to flange connection | M10 | Nm | 60 | 60 |
M12 | Nm | 100 | 100 | ||
M14 | Nm | 160 | 160 | ||
M16 | Nm | 200 | 200 | ||
Power steering pump
Number | Designation | Steering | |
BA46.30-N-1001-01B | Screw/bolt, power steering pump to compressor | Nm | 40 |
Fuel pipes/hoses
Number | Designation | Engine | ||
BA47.25-N-1008-01J | Nut, feed and return line to fuel filter | Nm | 45 | |
Repair materials
Number | Designation | Order number |
BR00.45-Z-1062-06A | Lubricating grease, Olista Longtime, DB supply specification 6804.60 | A 001 989 36 51 10 |