Tightening procedure for housing of fuel system high pressure pump - AR07.02-P-1020-02MM
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ENGINE 157, 276, 278
HIGH PRESSURE PUMP
| Number | Designation | ENGINE 157 | ENGINE 276 | ||
|---|---|---|---|---|---|
| BA07.02-P-1002-01C | Bolt, high-pressure pump drive housing to cylinder head/cylinder head cover | Stage 1 | Nm | 1 | 1 |
| Stage 2 | Nm | 14 | 9 | ||
HIGH PRESSURE PUMP
| Number | Designation | ENGINE 278 | ||
|---|---|---|---|---|
| BA07.02-P-1002-01C | Bolt, high-pressure pump drive housing to cylinder head/cylinder head cover | Stage 1 | Nm | 1 |
| Stage 2 | Nm | 14 | ||
Shown on engine 276.8
Shown on engine 276.9
Shown on engine 157, 278
Do not use a compressed air tool to screw the screw/bolts (1 to 4 or 1 to 3) out and in.
The housing of the fuel system high-pressure pump or the cylinder head will be damaged otherwise.
Always adhere to the specified tightening sequence.
Damage will occur to the camshaft and cylinder head otherwise.
- Tighten screw/bolts (1 to 4 or 1 to 3) as per figure in the numerical sequence to stage 1.
- Tighten screw/bolts (1 to 4 or 1 to 3) as per figure in the numerical sequence to stage 2.
Use the reverse tightening order to loosen the screw/bolts (1 to 4 or 1 to 3).