Remove/install compressor drive gear

AR13.30-G-7044U

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)

W13.30-1199-03

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

470 589 08 40 00

Locating tool