3. Insert the valve cover together with new o-rings and a new back-up
ring.
When fitting the valve cover for compression stage 4,
ensure it is positioned correctly. The Sauer symbol on
the valve cover must point upwards. The back-up ring
must be located on the o-ring.
4. Screw in the hexagon head screws hand tight.
5. Securely tighten the hexagon head screws crosswise. Observe the
tightening torque:
Ä
Chapter 3.2 ‘Requirements for maintenance work’
on page 9.
4.1.6 Replacing the piston rings, gudgeon pins and
gudgeon pin bearings
Personnel:
n
Service personnel
Protective equipment:
n
Safety goggles
n
Protective gloves
n
Work clothing
n
Safety boots
Tool:
n
Crane and lifting gear
NOTICE!
Damage to the piston
The piston may be damaged if it strikes against the crank-
case while work is carried out on the cylinder or connecting
rod.
– Always support or hold the piston while work is carried
out.
1.
Drain the cooling water as described in
Ä
Chapter 4.1.3 ‘Checking the
valves of compression stages 1 and 2’ on page 24.
2.
Remove all valve covers and valves as described in
Ä
Chapter 4.1.3
‘Checking the valves of compression stages 1 and 2’ on page 24 and
Ä
Chapter 4.1.4 ‘Replacing the valves for compression stages 1 and 2’
on page 29.
3. Unscrew the socket head cap screws on the guard plate over the cyl-
inder of compression stage 2 and remove the whole guard plate.
4. Loosen the hexagon nuts on the crankcase inspection cover and
remove the crankcase inspection cover. Dispose of the gasket in an
environmentally sound manner.
Preparatory work
MAINTENANCE
WP5000 Basic WA 41013675 en GB 20190916 | 33
To Next Page
Loading...
