Adjusting Valve Play Without Special Tool - Weber 4-Stroke Engine MPE 850 IND NA Service Manual

8 Service tasks in the workshop
8.4 Checking and adjusting valve play
8.4.3

Adjusting valve play without special tool

– Valve adjustment shims
– Caliper
In fo rmat i on !
The camshaft is turned using the crankshaft. The portable fire pump manufacturer
has devised a suitable procedure for this. Read the portable fire pump manufacturer's documentation for
more information. Always turn the crankshaft in the same direction as the engine rotates. (See chapter 3.6
Engine components and information.) Two rotations of the crankshaft correspond to one rotation of the
camshaft.
Adjusting the valve play on the 2nd cylinder
WARNING! Danger of serious cuts from the
gear on the camshaft when the engine is
started. Disconnect the engine from the power
supply.
► Turn the camshaft until the position of the
camshaft is as illustrated. (See the vehicle
manufacturer's documentation.)
The camshaft is marked at the 2nd cylinder end
only.
The marking
1
bar.
All rocker arms
certain amount of play.
► Continue with the section Replacing valve
adjustment shim.
36
– Bar magnet
– Universal pliers
ends flush with the cross
on the cylinder have a
2
1
2
SHB MPE850 Rev 1.1 | 406555 |