TM55-2840-251-23
Section III ACCESSORY GEARBOX
5-3 ACCESSORY GEARBOX (AVIM)
This task covers:
a.
Removal (Task 5-3-1)
b.
Repair (Task 5-3-2)
c.
Installation (Task 5-3-3)
INITIAL SETUP
Applicable Configurations:
All
Tools:
Powerplant Mechanic's Tool Kit
NSN 5180-00-323-4944
Torque Wrench (0 to 100 inch-
pounds)
Drift And Base (T.3)
Drift (T.7)
Gage (T.15)
Puller (T.23)
Puller (T.27)
Puller (T.29)
Puller/Pusher (T.30)
Screw (T.40)
Wrench (T.55)
Wrench (T.75)
Materials:
Lubricating Oil (E.2) or (E.71)
Lockwire (E.5)
Petrolatum (E.20)
Chromic Acid (E.43)
Enamel (E.44)
Parts:
Seals
Cotterpins
Packings
Retainer
Coupling Shaft
Personnel Required:
68B Powerplant Mechanic
66G Aircraft Inspector
References:
TM55-2840-25 1-23P
Equipment Condition:
Oil Drained (TM55-1510-209-23)
or (TM55-4920-328-13)
Oil Drained (Chapter 1,
Section VIII)
Temperature Compensator
Removed (Task 6-9-1)
Oil Filter Element Removed
(Task 8-1-1)
Oil-to-fuel Heater Removed
(Task 8-3-1)
Starter-generator Removed
(TM55-1510-209-23)
Fuel Control Linkage
Removed (Task 6-2-2)
Fuel Control Unit Removed
(Task 6-1-1)
Fuel Pump Removed (Task 6-3-1)
Ignition Regulator Removed
(Task 7-3-1)
Oil Pressure and Scavenge Lines
From Gearbox Removed
(Task 8-2-1)
Reversing Gear, Propeller
Removed (Task 10-3-1)
Ignition Cables Removed
(Task 7-4-1)
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