TM 9-2330-381-14
4-50.
HUB AND DRUM
This task covers:
a. Removal
c. Lubrication
e. Installation
b. Disassembly
d. Assembly
INITIAL SETUP
Tools
General mechanics tool kit, item 16, appx. B
The following tools are found in common tool kit no. 1, item 17, appx. B:
Socket set, wheel bearing,
Torque wrench, 3/4" drive
3/4" drive
0-600 lb-ft
Degreaser tank, 20 gal
Extension light, 24 ft
Hammer, softfaced
Torque wrench, 1/2" drive 0-170 lb-ft
Lubrication gun
Bearing pressure packer
Ratchet, 3/4" drive
Materials/Parts
Grease, item 12, appx. E
Cleaning compound solvent, item 25, appx. E
Rear hub oil seal
Gasket
Lockwasher (6)
Personnel Required: 2
Equipment Condition
Wheels removed from affected bogie (para. 3-7 and 3-8, or 3-9 and 3-10)
Brakes caged (para. 2-33)
REMOVAL
1.
To ensure brakes are properly caged, rotate hub and drum assembly (1) in both directions.
a.
If hub and drum assembly (1) spins freely, brakes are properly caged.
b.
If hub and drum assembly drags on brake shoes, turn nut (2) clockwise until hub and drum assembly (1) spins
freely.
4-236
