Pump-Injector Unit, Servicing

Pump-Injector Unit, Servicing







NOTE: Always replace sealing rings and O-rings

1. 20 Nm plus an additional 1/4 turn (90 degrees)
- Always replace
- Observe sequence for loosening and tightening, removing and installing Pump-Injector Unit
2. Rocker arm axle
- With rocker arm
- Removing and installing Pump-Injector Unit
3. Lock nut, 30 Nm
4. Adjustment bolt
- Always replace
5. Nipple
- Always replace
6. Pump-Injector Unit
- Checking Valve for pump/injector, cylinder 1 -N240-* to Valve for pump/injector, cylinder 3 -N242-*
7. O-ring
- Replacing O-rings for Pump-Injector Unit, removing and installing
8. O-ring
- Replacing O-rings for Pump-Injector Unit, removing and installing
9. O-ring
- Replacing O-rings for Pump-Injector Unit, removing and installing
10. Heat protection seal
- Always replace
11. Snap ring
12. Cylinder head
13. Tension block
14. 12 Nm plus an additional 3/4 turn (270 degrees)
- Always replace