TM 9-2330-211-14&P
5-12. TRUNNION AXLE AND WALKING BEAMS
This Task Covers:
Installation
b.
a.
Removal
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
Tandem axle assembly removed (para 5-10).
Drift, brass
Hammer, ball-peen
Materials/Parts:
Hammer, sledge
Dry cleaning solvent (Item 13, Appendix E)
Handle, socket wrench, 18 in., in. drive
Rags (Item 11, Appendix E)
Hoist, with lifting sling
Pipe, 1 in. ID, 30 in.
Personnel Required: Two
Press, arbor
Socket,
in., in. drive
Socket, 1 in., in. drive
Socket, 1 in., in. drive
Trestle, motor vehicle maintenance, 10 ton (four
required)
Wrench, open-end,
in.
in.
Wrench, open-end,
Wrench, pipe
ACTION
REMARKS
ITEM
LOCATION
REMOVAL
a. Attach and secure lifting sling.
Two walking
1.
Tandem axle
b. Using hoist, lift sling until slack is out of cables.
beams (1)
assembly (13)
Using 1 in. socket, handle, and pipe, unscrew and
Eight U-bolts (6),
Four access
2.
take off.
16 Iockwashers
covers (7 and 11)
(9), and nuts (10)
Remove.
Four access
Two axles (8)
3.
covers (11)
Using
in. socket, handle, and
in. wrench,
Eight bolts (12),
Four access covers
4.
unscrew and take off.
Iockwashers (4),
(7) and shackle
and nuts (5)
box brackets (3)
Remove.
Four access
Four shackle
5.
covers (7) and
box brackets (3)
top linings (2)
a. Using hoist, lift walking beams (1) off tandem
Two walking
Tandem axle
6.
axle assembly (13), move out of way, and set
beams (1)
assembly (13)
down on four jackstands.
b. Take off lifting sling.
c. Attach sling to trunnion axle (14).
5-10
