Replace timing chain

AR05.10-S-7601E

4.11.15

Model

447 with engine 651

Modification notes

14.10.15

Method extended

Operation steps 1, 10

D05.10-1183-06

	Remove
1	Removing brake booster	Model 447.### 2#	AR43.10-S-0350E
2	Remove cylinder head cover		AR01.20-S-5014E
3	Remove chain tensioner		AR05.10-S-7800E
4	Check both camshaft sprockets (3) for score marks and pitting	Depending on findings
		
		Remove camshafts (2) and replace defective camshaft sprocket (3)
		Remove/install camshafts	AR05.20-S-6992E
5	Disconnect timing chain (1)		AR05.10-S-7601-01E
		 Pressure pins	*602589046301
		 Thrust spindle	*602589046300
		 Chain separating tool	*602589023300
		 Hold-down device	*651589034000
		 Case	*602589009800
		 Counterholder	*651589084000
		 Counterholder	*651589004000
	Install
6	Draw in timing chain (1)		AR05.10-S-7601-04E
		 Always remove assembly insert after pulling in new timing chain (1); it is not suited for engine operation. Engine damage may occur otherwise.
		 Crank engine in direction of rotation.
		 Assembly inserts	*651589046300
		 Counterholder	*651589084000
		 Counterholder	*651589004000
7	Rivet together timing chain (1)		AR05.10-S-7601-02E
		 Pin of timing chain rivet element (reference value)	*BA05.10-N-1004-01F
		 Riveting tool	*642589003300
		 Hold-down device	*651589034000
		 Assembly inserts	*651589046300
		 Case	*602589009800
		 Counterholder	*651589084000
		 Counterholder	*651589004000
8	Install chain tensioner		AR05.10-S-7800E
	Check
9	Check basic setting of camshafts (2)		AR05.20-S-6010E
		Depending on findings
		

		Set basic position of camshafts	AR05.20-S-6020E
10	Install brake booster	Model 447.### 2#	AR43.10-S-0350E
11	Install cylinder head cover		AR01.20-S-5014E