Page 150 - Mercury Service Tool Guide (2020) - 8M0163249

OPTIMAX MODELS

LOWER UNIT / GEAR HOUSING TOOLS PINION GEAR LOCATING TOOL

WASHER

91- 12349A05
Measures pinion gear height.
BEARING INSTALL DRIVER

12- 34961
.656 x 1.312 x .095, plain.
Used on the threaded puller rod between the nut and plate when removing
bearings.
LOAD WASHER 91- 13945
Installs reverse gear needle bearing into propeller shaft carrier.
OIL SEAL DRIVER

12- 37429
Creates a load on the forward gear when taking forward gear backlash
measurements for the counter rotation gearcases.
91- 13949
BELLEVILLE WASHER Installs oil seals into water pump base.
BEARING RACE DRIVER

12- 54048 OPTIMAX MODELS
Used with pinion nut wrench and a propeller nut to check the reversed gear
backlash. 91- 14308T02
PROPSHAFT Removes pinion bearing race.
BEARING INSTALLATION PULLER

44- 93003
Acts as a dummy propeller shaft when taking forward gear backlash 91- 14309T02
measurements for count rotation gearcases. Installs pinion bearing into gearcase.

Mercury Service Tool Guide 143