Gear Housing Installation - Mercury 15XD Service Manual

GEAR HOUSING

Gear Housing Installation

9.9/15 Bigfoot (4 - Stroke)
To prevent accidental engine starting remove (and isolate) spark plug leads from
spark plugs before installing gear housing
IMPORTANT: If water tube has been removed, follow installation procedure in Sec-
tion 5. Water tube location is critical for proper alignment to water pump.
1. Tilt outboard to full " UP"position.
2. Place shift handle (tiller models) or shift lever (remote control models) into neutral.
3. Place gear housing into neutral by pushing down on the lower shift shaft (from forward
gear) to neutral detent. (Propeller will rotate freely in either direction).
4. Coat splines of drive shaft with 2-4-C w/Teflon.
5. Guide gear housing onto drive shaft housing to aligning the following:
· Keep mating surfaces of gear housing/drive shaft housing parallel.
NOTE: It may be necessary to rotate the flywheel to aid engagement of drive shaft splines
to crankshaft splines.
· Insert drive shaft into the opening in the upper part of the drive shaft housing to
· Guide lower shift shaft thru rubber seal/opening in lower drive shaft housing and
· Position water tube guide onto water tube.
a-Reverse Lock Link Rod
b-Lower Shift Shaft
c-Jam Nut
Page 6A-36
align with crankshaft splines.
up thru loop of reverse lock link rod.
b
WARNING
c
a
57138
90-826883R2 JUNE 1998