Volvo Penta MS2 Workshop Manual page 51

116. Reverse gear MS2
Put a new O-ring on the cover.
Make sure that the oil drain is correctly aligned. Screw
the cover down onto the housing.
117. Reverse gear MS2
Put on a new O-ring, put the tested thickness of
shims on the output bearing housing, and then fix it to
the housing with screws.
Turn the shaft slightly, to allow the gear teeth to
mesh. Install the gear bracket with two of the screws.
Repair - MS2 reverse gear and upper gear housing, sailboat drive
118. Drive, 120S, 120S-B, -C, -D, -E
Put on a new O-ring and install the rear cover and
gear bracket on the upper gear.
Install the sea water valve. Use sealant, Volvo Penta
part no. 1141570 on the threads.
119. Put a new O-ring and the tested thickness of
shims on the input bearing housing.
NOTE! The bearing housing can only be installed in
one position, because of the hole pattern. Screw the
bearing housing down onto the housing.
49