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Engine, Lubrication 944
Removing and installing the pressure reducing valve
Engine type M44.40
80/17
1 -
2 -
3 -
4 -
Se screw
Pressure reducing valve
O-ring
O-ring
1. Remove the cylinder head cover and
undo
the set screw by 2 rums.
2. Ease the pressure reducing valve out of
the seat with a screwdriverand take out
upwards.
3. Replace the O-rings and apply a light film
of oil before installation.
4. Tighten the set screw carefully until you
can feel the stop, then tum back by 45°.
The screw must not be loose.
(Microencapsulated, renew if necessary).
17 - 102
Removing and installing the pressure reducing valve
Printed in Germany - XVII, 1988