Propeller Installation - Mercury 45 Jet 50-55 Service Manual

6. Replace this lubricant "Vent" screw and gasket
only and continue filling until excess starts to flow
out of second lubricant "Vent" screw hole.
a - Vent Screw
b - Fill/Drain Screw
c - Oil Level Vent Screw
7. Replace second lubricant "Vent" screw and gas-
ket.
IMPORTANT: Do not lose more than one fluid
ounce (30cc) of gear lubricant while reinstalling
"FILL" screw.
8. Remove lubricant tube from "Fill" hole; install "Fill"
screw and gasket.

Propeller Installation

WARNING
If gear housing is not removed from drive shaft
housing, before attempting to remove or install
the propeller, remove (and isolate) spark plug
leads from spark plugs to prevent engine from
starting accidentally.
1. Apply a liberal coat of one of the following Quicksil-
ver products on propeller shaft splines:
– Special Lubricant 101 (P/N 92-13872A1)
– 2-4-C w/Teflon (92-825407A12)
– Anti-Corrosion Grease (92-19007A24)
6B-32 - LOWER UNIT
2. Install components as shown.
a
c
a - Thrust Hub; Flat Surface Toward Propeller
b
b - Propeller
3. Install tab washer and locknut.
53922
4. Thread locknut onto propeller shaft until locknut is
5. Torque locknut to 55 lbs. ft. (75 N·m).
6. Bend 3 tabs of tab washer down into grooves to
Do not misinterpret propeller shaft movement
with propeller movement. If propeller and
propeller shaft together move forward-and-aft,
this is normal; however, propeller should not
move forward-and-aft on propeller shaft.
7. After first use, retighten propeller nut and again se-
a - Tab Washer
b - Locknut
c - Grooves
b
a
recessed into tab washer.
secure locknut. If tab washer tabs do not align with
slots, continue to tighten locknut to obtain align-
ment.
CAUTION
cure with tab washer. Propeller should be checked
periodically for tightness, particularly if a stainless
steel propeller is used.
51801
c
b
a
51871
90-817643R1 DECEMBER 1996