Page 154 - Mercury Service Tool Guide (2021) - 8M0174458

OPTIMAX MODELS

Part Number Description 75/90/115 OptiMax DFI 115/135/150/175 OptiMax 200 OptiMax Jet Drive 200/225 OptiMax DFI 225/250 Pro EX
DFI OptiMax
91- 83165T Bearing Puller Assembly X
91-8M0059911 Bearing Carrier Installation Tool X
91-840393 Bearing Carrier Retainer Nut Wrench X
91-856875A 1 Bearing Driver X
91- 86642 Cross Pin Tool X
91- 86642 2 Cross Pin (T-Handle) Installation Tool X
91- 86943T Guide Plate X X
91- 87120T Bearing Cup Driver X
91-877321A 1 Bearing Driver X X
91- 89897 Dial Indicator Holding Tool X X
91- 90094 Driveshaft Holding Tool X
91- 92788T Pinion Bearing Driver X X
FT8950 Leakage Test Kit X X

LOWER UNIT / GEAR HOUSING TOOLS BELLEVILLE WASHER
WASHER

12- 54048
Used with pinion nut wrench and a propeller nut to check the reversed gear
backlash.
12- 34961
.656 x 1.312 x .095, plain. PROPSHAFT
Used on the threaded puller rod between the nut and plate when removing
bearings.
LOAD WASHER

44- 93003 OPTIMAX MODELS
Acts as a dummy propeller shaft when taking forward gear backlash
measurements for count rotation gearcases.
12- 37429 PINION GEAR LOCATING TOOL
Creates a load on the forward gear when taking forward gear backlash
measurements for the counter rotation gearcases.

91- 12349A05
Measures pinion gear height.

Mercury Service Tool Guide 147