ar0510p7620cd

Remove/install intermediate gear for engine control

Type ar · topic 05.10 · version 0201 · 2012-05-08

Applies to: ENGINES 651 in MODELS 166, 172, 204, 207, 212, 218, 221

Where it sits

Function group 1 Engine › 05 Engine timing › 05.10 Timing chain drive, toothed belt drive — Series 166 · Series 172 · Series 204 · Series 207 · Series 212 · Series 218 · Series 221 · Series 651

EinPAS 15 Engine › 15.17 Engine timing › 15.17.34 Chain drive/toothed belt/gearwheel drive — Series 166 · Series 172 · Series 204 · Series 207 · Series 212 · Series 218 · Series 221 · Series 651

AR05.10-P-7620CD

Remove/install intermediate gear for engine control

23.4.12

ENGINES 651 in MODELS 166, 172, 204, 207, 212, 218, 221

Remove/install intermediate gear for engine control

P05.10-2399-06

1 Screw/bolts

2 Intermediate gear

3 Bore

4 Gear

5 Gear

6 Plastic wedge

Modification notes

9.11.10

Check intermediate gear for damage and wear, added

Operation step 4

Removing

Danger!

Risk of injury caused by moving parts that can pinch, crush or, in extreme cases, even sever extremities

No parts of the body or limbs should be within the operating range of the mechanism when moving components.

AS00.00-Z-0009-01A

1

Remove timing case cover

AR01.40-P-8000CD

2

Remove screws/bolts (1)

3

Pry off intermediate gear (2) using a suitable tool

Checking

4

Check intermediate gears (2) for damage and wear

Replace intermediate gears (2) if necessary.

Install

5

Plug intermediate gear (2) into bores (3)

Only as far as the gear (5) is still not engaged.

6

Pretension intermediate gear (2)

Tension gear (5) using a suitable plastic wedge (6) through applying short pressure anti-clockwise and press at the same time in the bore (3). The gear (5) must be tensioned anti-clockwise until the gears (4, 5) align with each other.

7

Screw in screw/bolts (1)

*BA05.10-P-1001-02A

8

Check spring preload

The gear (5) must be zero clearance.

9

Check basic setting of balance shaft

Adjust balance shafts if necessary.

See:

AR03.20-P-3637CD

Set basic position of the balance shaft

AR03.20-P-3638CD

10

Check basic setting for camshafts.

Adjust camshafts if necessary.

See:

AR05.20-P-6010CD

Set basic position of camshafts

AR05.20-P-6020CD

11

Install timing case cover

AR01.40-P-8000CD

Gearwheel drive

Number

Designation

Engine 651

BA05.10-P-1001-02A

Screw/bolt, intermediate gear to crankcase

Nm

80

Referenced documents