3-53. PROPELLER SHAFTS - MAINTENANCE INSTRUCTIONS (Continued).
1. Install shaft keys (8
and 9) on line shaft
2. Install coupling half
Install shaft nut (7)
and cotter pin (6).
1. Connect coupling
Make sure the
halves (4 and 5).
are joined to-
gether at punch
2. Install capscrews (3),
nuts (2) and cotter
It is important to align the engine and gear only
when the boat is afloat, and NOT in dry-dock. Dur-
ing this alignment period, it is also advisable to
fill the fuel tanks and add any other ballast that
will be used when boat is in service. With the
engine and gear in position on the engine bed,
arrangements must be made to have a controlled lift-
or lowering of each of the four corners of the