Remove/install compressor drive gear

AR13.30-G-7044U

Remove/install compressor drive gear

14.02.2020

Engine

934.97 in model 405, 437.4

Engine

936.97 in model 405

1

Compressor

2

Drive gear

3

Nut

4

Locating tool

4.1

Adapter (from the scope of the locating tool)

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Remove

1

Remove compressor (1).

Engine 934.97 in model 405

AR13.30-G-0001UV

Engine 936.97 in model 405

AR13.30-G-0002US

Engine 934.97 in model 437.4

AR13.30-G-0001UH

2

Tension locating tool (4) in the vise and change the adapter (4.1) on the locating tool (4) if necessary.

 Use respective adapter (4.1) for the drive gear (2).

 Locating tool

*470589084000

3

Attach compressor (1) to the locating tool (4).

4

Loosen nut (3).

 Note left-hand thread of nut (3).
The nut (3) which initially remains on the shaft prevents the drive gear (2) from falling down.

5

Loosen drive gear (2).

 Detach jammed drive gear (2) if necessary using a three-arm puller (300 mm span).

6

Remove nut (3).

7

Remove drive gear (2) from compressor (1).

8

Check counter gear of the drive gear (2) in the timing case for damage.

Only if the drive gear (2) needs to be replaced because of damage.

If the counter gear of the drive gear (2) is damaged,



install new counter gear.

AR05.10-G-4660U



Install

9

Attach drive gear (2) to compressor (1).

10

Tighten nut (3).

 Note left-hand thread of nut (3).

 Nut (left-hand thread) gear to compressor

*BA13.30-N-1002-01P

11

Remove the compressor (1) from the locating tool (4).

12

Install compressor (1).

Engine 934.97 in model 405

AR13.30-G-0001UV

Engine 936.97 in model 405

AR13.30-G-0002US

Engine 934.97 in model 437.4

AR13.30-G-0001UH

 Compressor (compressed air system)

Number

Designation

Engine 934.9

Engine 936.9

BA13.30-N-1002-01P

Nut (left-hand thread) gear to compressor

Nm

230

230