ar0500s2011sd

Remove/install hydraulic valve clearance compensating elements

Type ar · topic 05.00 · version 0108 · 2010-06-24

Applies to: ENGINES 646 in MODEL 636, 639 ENGINES 646.984 /985 /986 /989 /990 in MODEL 906

Where it sits

Function group 1 Engine › 05 Engine timing › 05.00 General — Series 636 · Series 639 · Series 646 · Series 906

EinPAS 15 Engine › 15.17 Engine timing › 15.17.30 Valve train — Series 636 · Series 639 · Series 646 · Series 906

AR05.00-S-2011SD

Remove/install hydraulic valve clearance compensating elements

16.6.10

ENGINES 646 in MODEL 636, 639

ENGINES 646.984 /985 /986 /989 /990 in MODEL 906

Remove/install hydraulic valve clearance compensating elements

S05.00-4502-06

Shown on engine 646.982

1 Camshaft

2 Compensating element

3 Camshaft housing

Remove/install

1

Remove camshafts (1)

Model 636, 639

AR05.20-S-6992SD

Model 906

AR05.20-D-6992SD

2

Remove compensating elements (2)

Do not use magnets. The compensation element (2) slide surfaces could be magnetized otherwise. This can cause minute steel chips to accumulate, which can damage the compensation element (2) and the cam.

Installation: Reinstall compensation elements (2) that are not replaced at the same position. Oil compensation elements (2).

Checking

3

Check camshaft housings (3) for damage

Check surface of basic bore and camshaft (1) contact surfaces for score marks and damage; replace camshaft case (3) if necessary.

See:

Remove/install camshaft housing

AR05.20-S-6995SD

4

Install in the reverse order

Referenced documents