WÄRTSILÄ PAAE051728, Instruction Manual

Page: 231 / 394

Warning! When the valve tappet(s) is/are locked in the upper position
the rocker arm bracket(s)/ push rods must be removed, oth-
erwise when cranking the engine the pistons will come in
contact with the valves.
2 Unscrew the flange connection screws (4) from both
ends of the camshaft piece.
3 Mount the support tool on the block by the camshaft
cover fixing screw.
4 Remove the camshaft end cover (1) from the starting
air distributor. Move the part of the camshaft locating towards
the free end of the engine as much as possible in direction of
the free end by using suitable lever.
5 Remove the governor and governor drive housing.
Push the other parts of the camshaft towards flywheel end as
much as possible.
6 Remove the camshaft piece by means of the tool.
Camshaft
14.2.3 Mounting of camshaft piece
1 Check the valve tappets and rollers and bearing bushes
carefully. Even slightly damaged tappet rollers have to be
changed.
2 Clean and degrease the flange connection surfaces
and threaded holes.
3 Mount the camshaft piece (5) on the fixing pin and cen-
tering at either end, then pull the camshaft together. Use two
or three screws.
1. Cover
2. Extension piece for
starting air distributor
4. Screw
5. Camshaft piece
6. Extension
7. Gear wheel for
governor drive
8. Axial bearing
3. Bearing journal
1
2 3 4 5 6
9
7
8
9. Guiding pin
Fig 14-2
4014039601
32-200106 Valve Mechanism and Camshaft 14
WÄRTSILÄ 32 14 - 5