TM 9-2330-203-14&P
4-46.
FIFTH WHEEL MAINTENANCE.
This Task Covers:
a. Removal
d. Assembly
b. Disassembly
e. Installation
c. Cleaning and Inspection
Initial Setup:
Materials/Parts:
Tools/Test Equipment:
Dry cleaning solvent (Item 5, Appendix E)
General mechanic's tool kit
Grease (Item 6, Appendix E)
Hoist
Five lubrication fittings
Seven cotter pins
Personnel Required:
Two
Thirteen lockwashers
a.
REMOVAL
1.
Position dolly under hoist.
2.
Remove lubrication fitting (2) from each anchor bracket (8). Discard lubrication fittings.
NOTE
On M197, M198, and M198A1 one capscrew is of different length. Note location to
ensure correct installation.
3.
Remove six nuts (5), lockwashers (6), and capscrews (1) from each anchor bracket (8). Discard lockwashers.
WARNING
Remove anchor brackets from shaft before fully hoisting fifth wheel from dolly.
Failure to do so could cause anchor brackets to fall off and damage equipment or
injure personnel.
4.
Using hoist, raise fifth wheel (3) enough to remove anchor brackets (8) from shaft (4) and mounting plate (7) from
dolly.
5.
Lift fifth wheel (3) away from dolly.
b.
DISASSEMBLY
1.
Lower fifth wheel (3) and place upside down on suitable work surface.
2.
Remove nut (10), lockwasher (9), and capscrew (13) securing shaft (4) to fifth wheel (3). Discard lockwasher.
3.
Remove cotter pin (11) from each collar (12). Discard cotter pins.
4.
Remove shaft (4) and two collars (12) from fifth wheel (3).
4-102
