Pump-Injector unit, servicing

Only vehicles with engine code BEW 

• Note rules of cleanliness. Refer to Rules of cleanliness 
• Always replace sealing rings and O-rings

1 - 20 Nm plus an additional 1/4turn (90 ° ) 

• Always replace
• Follow order for loosening and tightening. Refer to Pump-Injector Unit, removing and installing  , removing and installing Pump-Injector Unit

2 - Rocker arm axle 

• With rocker arm
• Removing and installing. Refer to Pump-Injector Unit, removing and installing  , removing and installing Pump-Injector Unit

3 - Lock nut, 30 Nm 

4 - Adjustment bolt 

• Replace when installing a new Pump-Injector Unit and if traces of wear are present
• Grease contact surface to ball pin of Pump-Injector Unit with G 000 100
• Adjusting. Refer to Pump-Injector Unit, removing and installing  , removing and installing Pump-Injector Unit

5 - Pump-Injector Unit 

• Check ball pin for traces of wear, replace if necessary
• Grease contact surface to adjustment bolt with G 000 100
• Removing and installing. Refer to Pump-Injector Unit, removing and installing 
• Checking Valve for pump/injector, cylinder 1 -N240- to Valve for pump/injector, cylinder 3 -N242-*. Refer to Pump-Injector Unit, checking 

6 - O-ring 

• Always replace

7 - O-ring 

• Always replace

8 - O-ring 

• Always replace

9 - Heat protection seal 

• Always replace

10 - Snap ring 

11 - Cylinder head 

12 - Tension block 

13 - 12 Nm plus an additional 3/4turn (270 ° ) 

• Always replace