Replacing timing chain · ar0510d7601b · Mercedes-Benz WIS

AR05.10-D-7601B

Replacing timing chain

7.12.96

ENGINE 602.984 in MODEL 667, 668, 670

ENGINE 602.985 in MODEL 668, 670

D05.10-0015-06

1 Chain tensioner

2 Old timing chain

3 New timing chain

4  Assembly link
 Not suitable for engine running

 	Removing, installing
1	Remove chain tensioner (1)	Engine 602.984	AR05.10-L-7800A
		Engine 602.985	AR05.10-L-7800B
2	Remove radiator unit with front end		AR20.20-D-3870A
3	Remove viscous fan clutch		AR20.40-D-5660B
4	Remove cylinder head cover		AR01.20-D-5014B
5	Separate timing chain and rivet	 It is essential to remove the assembly link (4). It is only an assembly aid and is not suitable for engine running.	AR05.10-D-7601-03A
			*602589009800
			*602589023300
			*602589046300
			*602589046301
			*602589003900
			*602589026300
			*602589036300
			*602589014000
			*602589024000
6	Inspect camshaft sprocket	 For scores and pitting, if necessary 
		replace camshaft sprocket
7	Install in the reverse order