Weber 4-Stroke Engine MPE 850 IND NA, Service Manual

Page: 37 / 50

37 SHB MPE850 Rev 1.1 | 406555 |
4
3
5
7
6
8
Adjusting the valve play on the 1st cylinder
► 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 inscription
3 is not visible.
All rocker arms
4
on the cylinder have a
certain amount of play.
► Continue with the section
Replacing valve
adjustment shim
.
► Remove the rocker arm
7
.
► Remove the valve adjustment shim 8
using a bar magnet.
► Measure the valve adjustment shim using a
caliper.
Replacing valve adjustment shim.
NOTICE! Engine damage from small components
in the engine or cylinder head. Operating the
engine when there are small components in the
crankcase and cylinder head can result in serious
damage and cause the crank drive to seize.
► Cover the chain channel
5
.
► Remove the rocker axle
6
using a
universal pliers.
8 Service tasks in the workshop
8.4 Checking and adjusting valve play