Mercury 40 FourStroke - Page 511

BIGFOOT GEAR HOUSING
90-857046R1 NOVEMBER 2001 Page 6B-45
Forward Gear, Drive Shaft Lower Bearing, Pinion Gear, and Drive Shaft
Installation
1. Install components per assembly sequence shown.
19175
a
b
c
d
e
f
d
87
Premium Gear Lubricant
7
Loctite “271”
7
87
Assembly Sequence:
a- Forward Gear/Bearing: Apply Premium Gear Lube to bearing rollers.
b- Drive Shaft Lower Tapered Roller Bearing: Apply Premium Gear Lube to bearing
rollers.
c- Pinion Gear
d- Drive Shaft
e- Drive Shaft Holding Tool
f- Pinion Nut (New): Clean nut and driveshaft threads with Loctite Primer or suit-
able de-greaser. Apply Loctite 271 to threads (not necessary if using a new
nut with drylock patch on threads) during final assembly (after pinion gear
depth and forward gear backlash have been set), tighten to specified torque.
Model
Drive Shaft Holding Tool
40/50 Bigfoot (4-Stroke, 747cc/935cc) 91-56775
40/50/60 Bigfoot (4-Stroke, 995cc) 91-877840A1
75/90/115EFI (4-Stroke) 91-804776A1
60 Bigfoot/75/90/100/115/125
(2-Stroke)
91-56775
Pinion Nut Torque
70 lb-ft (95 Nm)