Bolt plan for coolant pump - AR20.10-P-1271-03VA
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ENGINE 272, 273
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | ENGINE 272 | ENGINE 273 | |||
|---|---|---|---|---|---|---|
| BA20.10-P-1002-01U | Bolt, coolant pump to cylinder crankcase | M8 | Stage 1 | Nm | 5 | 5 |
| Stage 2 | Nm | 20 | 20 | |||
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | ENGINE 272 | ENGINE 273 | |||
|---|---|---|---|---|---|---|
| BA20.10-P-1001-01U | Self-tapping bolt connecting coolant pump to timing case cover | M7 | Stage 1 | Nm | 10 | 10 |
| Stage 2 | Nm | 25 | 25 | |||
Tightening sequence and bolt length
The tightening sequence arising from the operation steps and prescribed screw length
should be observed.
Leakage of the coolant pump can occur otherwise.
Bolt assignment of coolant pump Screw/bolts A: Coolant pump to timing case cover.
Screw/bolts B and C: Coolant pump on cylinder crankcase.
- Tighten down screw/bolts 1A to 8A (M7X28) numerically ascending
.
- Tighten screw/bolts B (M8X75)
- Tighten screw/bolts C (M8X110)