Disassemble, assemble rocker arm unit

AR05.00-G-5541NB

Disassemble, assemble rocker arm unit

01.10.2018

Engine

470.9, 471.9 in model 800.110/112

Inlet

1

Intake rocker arm

4

Spacer sleeve (small)

C

Oil hole

2

Rocker arm spindle

A

Marking "TOP, FRONT"

3

Spacer sleeve (wide)

B

Marking "TOP, REAR"

 Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-N-5000-01H



Disassemble

1

Remove intake rocker arm assembly.

AR05.00-G-5521NB

2

Mark installation position of the intake rocker arms (1) and spacer sleeves (3, 4).

3

Remove intake rocker arms (1) and spacer sleeves (3, 4) from the rocker arm spindle (2).



Check

4

Check intake rocker arms (1), spacer sleeves (3, 4), and rocker arm spindle (2) for wear and damage.

If wear or damage can be detected,



Replace affected parts.



Assemble

5

Clean oil holes (C) of the rocker arm spindle (2) with compressed air.

6

Wet bearing points and rocker arm spindle (2) with engine oil.

7

Attach intake rocker arms (1) and spacer sleeves (3, 4) to the rocker arm spindle (2).

 Observe the attached markings and installation position of the intake rocker arm (1) and the spacer sleeves (3, 4).
Note marking "TOP, FRONT" (A) and marking "TOP, REAR" (B) on rocker arm spindle (2).

8

Install intake rocker arm assembly.

AR05.00-G-5521NB