4-7. TRUNNION ASSEMBLY MAINTENANCE
This task covers removal, cleaning, inspection, and installation of trunnion assem-
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Hand hammer, 16 ounces
Slip joint pliers
Socket wrench set, 3/4 inch drive
Torque wrench, 3/4 inch drive
Brass rod, 1-3/4 inches diameter
Steel rod, 2-1/4 inches diameter
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Grease (Appendix C, item 11)
Lock plates (FSCM 10988 PN L12824)
REFERENCE: TM 5-3805-262-20
PRELIMINARY PROCEDURE: Rear axle removed (page 3-386) and lubrication
hoses and fittings disconnected from trunnion assembly (refer to TM
REMOVAL (SHEET 1 OF 2)
a. Support trunnion assembly (9) at both ends
Be sure rear chassis is securely supported
is securely attached to trunnion assembly
ing steps. Failure to do so could cause
using chain hoist.
and blocked and chain hoist
(9) before performing follow-
serious injury or death by
equipment falling on you.
If you are injured by falling equipment,
obtain medical aid immediately.
Straighten tabs of two lock plates (2) using pliers.
Remove four capscrews (1), two lock plates (2), and trunnion retainers (3).
Discard lock plates.
Use chain hoist, attached to trunnion assembly
pivot pins (7) before performing step d below.
(9), to reduce tension on