Shown on removed charge air pipe |
1 | Belt pulley |
2 | Electrical connection (only for code M7T (Water pump, regulated)) |
3 | Electrical connection (only for code M7T (Water pump, regulated)) |
4 | Coolant pump |
W20.10-1069-11
Danger ! | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
Danger ! | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut. | |
| Notes on tilting the cab | ||
| Notes on self-locking nuts and bolts | ||
| Notes on avoiding damage through contamination and foreign objects | ||
| Remove | ||
1 | Tilt cab | ||
2 | Remove soundproofing | ||
3 | Drain coolant on engine radiator and engine | ||
4 | Slacken poly-V belt on rear fan drive and the basic belt drive and remove on the belt pulley (1) | ||
5 | Remove belt pulley (1) for coolant pump (4) | ||
6 | Disconnect electrical connections (2, 3) | Only for vehicles with code M7T (Water pump, regulated). | |
7 | Remove coolant pump (4) | ||
| Install | ||
8 | Clean sealing surfaces | ||
9 | Install coolant pump (4) | Replace seal. | |
Bolt, coolant pump to oil/coolant module | |||
10 | Connect electrical connections (2, 3) | Only for vehicles with code M7T (Water pump, regulated). | |
11 | Attach belt pulley (1) to coolant pump (4) | Replace screw/bolts. | |
Bolt, belt pulley to uncontrolled coolant pump | |||
Bolt, belt pulley to controlled coolant pump | |||
12 | Place poly-V belt for rear fan drive and the basic belt drive on the belt pulley (1) and tension | ||
Belt drive routing diagram | |||
| Damage profiles for a poly-V belt | ||
Check condition of poly-V belt; if necessary: | |||
| |||
Replace poly-V belt. | |||
Remove/install basic belt drive poly-V belt | |||
Remove/install fan drive poly-V belt (rear belt) | |||
13 | Pour in coolant at engine radiator and at engine | ||
14 | Carry out an engine test run | ||
15 | Turn off engine and check area around coolant pump (4) for leaktightness | Visual inspection. | |
16 | Install soundproofing | ||
17 | Tilt back cab |
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