Removing, installing chain tensioner · ar0510d7800c · Mercedes-Benz WIS

AR05.10-D-7800C

Removing, installing chain tensioner

14.2.96

ENGINE 111.979 in MODEL 901.0, 902.0, 903.0, 904.0

ENGINE 111.984 in MODEL 901.6, 902.6, 903.6, 904.6

D05.10-1000-06

1 Seal

2 Chain tensioner housing

3 Thrust pin

4 Compression spring

5 Filler pin

6 Seal

7 End piece

8 Chain tensioner

 	Removing, installing
1	Cover over alternator
2	Unscrew end piece (7), take off seal (6) and take out compression spring (4) together with filler pin (5)	  Installation: Replace seal (6).	*BA05.10-N-1001-01A
3	Unbolt chain tensioner housing (2)	  Installation: Replace seal (1).	*BA05.10-N-1002-01A
4	Install in the reverse order	 If the chain tensioner (8) has been removed complete or parts of the chain drive replaced (timing chain, chain sprockets, tensioning rail, etc.), it must be disassembled before being installed, moved into the basic position and then installed: 
		Disassembling, assembling chain tensioner.	AR05.10-D-7800-02C
			*BA05.10-N-1001-01A
			*BA05.10-N-1002-01A

 Timing chain drive

Number	Designation		Engine 111.979/ 984


BA05.10-N-1001-01A	End piece in chain tensioner housing	Nm	40
BA05.10-N-1002-01A	Chain tensioner housing in timing case cover	Nm	80