Mercury 305 CID - Checks Made with Propeller Shaft Removed from Boat

DRIVE SHAFT / PROPELLER SHAFT MODELS - 8D-1190-823225--1 1096
3. Check the diameter of all propeller blades. If not
the same, repair propeller.
a
b
c
a - Metal Straight Edge (Held T Rudder With C-Clamp)
b - Rudder
c - Rotate Propeller One Complete Turn
4. Check that all propeller blades are the same pitch
and that propeller is properly seated on shaft. Re-
pair or replace if necessary.
a
b
c
a - Metal Straight Edge (Held T Rudder With C-Clamp)
b - Rudder
c - Rotate Propeller One Complete Turn. Check At Three Dif-
ferent Points On Blades
Checks Made with Propeller Shaft
Removed from Boat
1. Check propeller shaft for straightness. Check at
three or four places. If dial indicator deflects over
.004 in. (0.1 mm), replace shaft.
a
b
c
a - V-Blocks
b - Dial Indicator
c - Shaft - Rotate One Complete Turn
2. Check that bore of coupling is 90 degrees from
coupling flange. Replace coupling if needle
moves.
a
b
c
d
a - V-Blocks
b - Dial Indicator
c - Coupling Flange - Rotate One Complete Turn
d - Shaft Against Block To Prevent Fore And Aft Movement