Mariner Mercury 105/140 JET, Service Manual

Page: 597 / 797

90-824052R3 JUNE 2002 LOWER UNIT - 6B-41
13. Place Driveshaft Holding Tool (91-34377A1) over
crankshaft end of driveshaft. Torque pinion nut to
75 Ib. ft. (101.5 N·m). For Sportmaster gear-
cases, torque pinion nut to 85 lb. ft. (115.0 N·m).
a
b a
c
c
d
a - Driveshaft Holding Tool (91-34377A1)
b - Torque Wrench; Torque Nut to 75 lb. ft. (101.5 N·m); 85 lb. ft.
(115.0 N·m) for Torquemaster
c - Socket
d - Breaker Bar
IMPORTANT: Wipe any excess Loctite from
pinion nut and pinion gear.
Pinion Gear Depth
DETERMINING PINION GEAR DEPTH
NOTE: Read entire procedure before attempting any
change in shim thickness.
IMPORTANT: Reverse gear assembly must be
installed in gear housing when checking pinion
gear depth or an inaccurate measurement will be
obtained.
1. Clean gear housing bearing carrier shoulder.
2. Install Bearing Preload Tool (91-14311A1) over
driveshaft in sequence shown.
NOTE: Bearing Preload Tool (91-44307A1 ) may
also be used. Follow instructions provided with tool
for proper installation.
h
g
g
e
f
d
c
b
a
a - Adaptor
b - Bearing
c - Washer
d - Spring
e - Nut; Thread Nut All-The-Way Onto Bolt
f - Bolt
g - Set Screw
h - Sleeve; Holes in Sleeve Must Align With Set Screws
3. Align adaptor on driveshaft bearing pocket ledge.
4. With tool installed over driveshaft, tighten both
set screws securely, making certain to align
sleeve holes to allow set screws to pass thru.