6A-26 - LOWER UNIT 90-817643R1 DECEMBER 1996
!
CAUTION
Do not lubricate top of driveshaft. Excess lubricant will
not allow driveshaft to fully engage crankshaft. Tight-
ening the gear housing fasteners (if excess lubricant
is on top of driveshaft) will load the driveshaft/crank-
shaft and may damage either or both powerhead and
gear housing. Wipe the top of driveshaft free of lubri-
cant.
5. Lightly apply Quicksilver 2-4-C Marine Lubricant onto
the driveshaft splines.
6. Shift gear housing into forward gear. Gear housing will
not engage when propeller shaft is turned clockwise.
7. Position driveshaft into driveshaft housing. Move gear
housing towards driveshaft housing while aligning shift
shaft coupler, water tube seal and driveshaft splines.
NOTE: If the driveshaft splines will not align with the crank-
shaft splines, install a propeller and turn the propeller shaft
counterclockwise while pushing gear housing onto drive-
shaft housing. It may also be necessary to move the shift
block (on the powerhead) to align the shift shaft splines for
proper re-assembly.
8. Install 4 bolts and washers (a), (two each side). Apply
Loctite A (271) on threads of bolts prior to installation.
9. Install locknut and washer (b).
10. Torque bolts and locknut to 40 lb. ft. (54 N·m).
50551
a
a
b
11. Check shift operation.
a. Gear housing should not engage when propeller
shaft is turned clockwise when in forward gear.
b. Propeller shaft will rotate freely in either direction
when gearcase is in neutral.
c. Propeller shaft will not rotate in either direction
when gearcase is in reverse.
IMPORTANT: If shift operation is not as described, re-
move the gear housing and correct the shift operation.
Propeller Installation
! WARNING
Disconnect and isolate spark plug leads when working
near the propeller to prevent the outboard from start-
ing.
1. Apply a thin coat of lubricant to propeller shaft
splines with Quicksilver 2-4-C Marine Lubricant.
2. Install components as shown.
Flo-Torq I Drive Hub Propellers
a
cb
a - Forward Thrust Hub
b - Propeller Nut Retainer
c - Propeller Nut
Flo-Torq II Drive Hub Propellers
a
c
b
d
e
a - Forward Thrust Hub
b - Replaceable Drive Sleeve
c - Rear Thrust Hub
d - Propeller Nut Retainer
e - Propeller Nut
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