Disassemble, assemble rocker arm unit · ar0500d5541ad · Mercedes-Benz WIS

AR05.00-D-5541AD

Disassemble, assemble rocker arm unit

16.8.06

ENGINE 900.917 /918 /919 in MODEL 668, 670

D05.00-1114-05

1 Circlip

2 Rocker arm bracket

3 Rocker arm bracket

4 Rocker arm bracket

5 Intake rocker arm

6 Exhaust rocker arm

7 Spring

8 Rocker arm shaft

9 Bolt

10 Clamping piece

11 Remove washers

A Gap (122 mm)

B Gap (110 mm)

	Disassemble
1	Remove rocker arm assembly		AR05.00-D-5521AD
2	Remove a locking ring (1).	 Springs (7) are under tension.
3	Remove rocker arm brackets (2, 3, 4), intake rocker arms (5), exhaust rocker arms (6), washers (11) and springs (7) from rocker arm spindle (8)
4	Remove a second locking ring (1).
	Check
5	Check parts of the rocker arm assembly for wear if necessary replace worn parts.	Rocker arm bearing bushing inside dia.	*BE05.30-N-1001-04B
		Rocker arm shaft dia.	*BE05.30-N-1002-04B
	Assemble
6	Mount circlip (1) at one side of the rocker arm shaft (8)
7	Mount rocker arm brackets (2, 3, 4), intake rocker arms (5), exhaust rocker arms (6), washers (11) and springs (7) on rocker arm spindle (8)	 Set in position rocker arm brackets (2, 3, 4) with bolts (9) and clamps (10). Pay attention to clearance (A) and clearance (B).
8	Mount second circlip (1)
9	Install rocker arm assembly		AR05.00-D-5521AD

Check values for valve timing

Number	Designation		Engine 900.9, 902.9, 904.9, 906.9


BE05.30-N-1001-04B	Rocker arm bearing bushing inner dia. when installed	mm	22.000 to 22.021
BE05.30-N-1002-04B	Rocker arm shaft dia.	mm	21.967 to 21.980