TM 9-2330-359-14&P
4-45. TRUNNION BUSHING REPLACEMENT
This Task Covers:
a.
Removal
b.
Installation
Initial Setup:
Equipment Conditions:
Materials/Parts:
• Wheels removed (para 4-46).
• Four locknuts
Tools/Test Equipment:
General mechanic’s tool kit
Common no. 1 shop set
Floor jack
a.
REMOVAL
1.
Remove four locknuts (3), washers (2), screws (6), and trunnion cap (4) from equalizing beam (5). Discard
locknuts.
2.
Position floor jack under trunnion bracket (1) and raise trunnion bracket until trunnion bushing (7) is not resting on
equalizing beam (5).
3.
Remove trunnion bushing (7) from tube (8) and equalizing beam (5).
b.
INSTALLATION
1.
Position trunnion bushing (7) on tube (8) and equalizing beam (5).
2.
Install trunnion cap (4) with four screws (6), washers (2), and new locknuts (3). Torque locknuts to 250 Ib.-ft.
(339 N•m) lubricated.
3.
Remove floor jack from under trunnion bracket (1).
FOLLOW-ON TASKS:
• Install wheels (para 4-46).
TA508050
4-85
