Remove/install drive gear of fuel system high-pressure pump

AR07.16-W-1006MD

Remove/install drive gear of fuel system high-pressure pump

11.02.2016

Engine

936.9 in model 963, 964

Modification notes

24.10.2012

Nut, drive gear to fuel system high pressure pump

BA07.16-N-1011-03B

18.03.2013

Work procedure completely revised.

1

Fuel system high pressure pump

3

Drive plate (only for vehicles with steered leading axle or trailing axle)

7

Puller

2

Locating tool

4

Nut

8

Dowel pin

2.1

Adaptation

5

Positioning disc

9

Screw/bolt

2.2

Adaptation

6

Drive gear

Pfeil

Pin



Remove

1

Remove fuel system high pressure pump (1)

AR07.16-W-1005MD

2

Clamp locating tool (2) into the vise and attach adaptations (2.1, 2.2)

 Adaptation

*936589003100

 Locating tool

*470589084000

3

Attach fuel system high pressure pump (1) to the locating tool (2)

4

Remove drive plate (3)

Only for vehicles with steered leading axle or trailing axle.

5

Slacken nut (4)

6

Loosen drive gear (6) with puller (7) from the drive shaft

 Puller

*936589053300

7

Unscrew nut (4)

8

Remove drive gear (6) from the fuel system high pressure pump

9

Check drive gear (6) for damage; replace if necessary

 If drive gear (6) is replaced because of damage, the gear for the gearwheel drive must also be checked for damage.

10

Remove position disc (5) from drive gear (6)

Only for vehicles with steered leading axle or trailing axle or if the drive gear (6) is replaced.

11

Check dowel pin (8) for wear and damage; replace if necessary



Install

12

Attach position disc (5) on drive gear (6)

Only for vehicles with steered leading axle or trailing axle or if the drive gear (6) is replaced.

 Ensure that the lugs (arrow) on the positioning disc (5) engage in drive gear (6).
For vehicles with steered leading axle or trailing axle, the position disc (5) with a screw/bolt (9) on drive gear (6) against turning.

 Screw/bolt, positioning disk/driver to fuel system high-pressure pump drive wheel

*BA07.16-N-1026-03B

13

Attach drive gear (6) to the fuel system high pressure pump (1)

 The cone of the drive shaft and the tapered seat of the drive gear (6) must be free of grease.

14

Tighten nut (4)

 Nut, drive wheel to fuel system high-pressure pump

*BA07.16-N-1011-03B

15

Install drive plate (3)

Only for vehicles with steered leading axle or trailing axle.

 Screw/bolt, positioning disk/driver to fuel system high-pressure pump drive wheel

*BA07.16-N-1026-03B

16

Remove fuel system high pressure pump (1) from the locating tool (2)

17

Install fuel system high pressure pump (1)

AR07.16-W-1005MD

 Common rail diesel injection system

Number

Designation

Engine 936.9

BA07.16-N-1011-03B

Nut, drive wheel to fuel system high-pressure pump

M161.5

Nm

125

 Common rail diesel injection system

Number

Designation

Engine 936.9

BA07.16-N-1026-03B

Screw/bolt, positioning disk/driver to fuel system high-pressure pump drive wheel

Nm

25