TM-9-2330-247-14-P
CHASSIS, TRAILER: GENERAL PURPOSE, 3-1/2 TON, 2-WHEEL, M353
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS)
MARCH 1992
TM-9-2330-247-14-P - Page 100 of 320
TM 9-2330-247-14&P
4-29. AXLE (Con’t)
ACTION
LOCATION
ITEM
REMARKS
25.
Left upper bearing
Left lower bearing
block (1)
block (10) and left
split bearing (9)
26.
Left lower bearing
Four screws
block (10)
(12) and
Iockwashers (11)
27.
Axle (8)
Two offset
beams (22)
28.
29.
30.
Two left spring
U-bolts (18)
and left upper
pivot block (24)
31.
Axle (8)
32.
Two Ieft frame
brackets (16)
33.
Two Ieft spring
pins (17)
34.
Axle (8)
Left spring (20)
and left offset
beam (22)
Left split
bearing (23)
and left upper
pivot block (24)
Four Iockwashers
(25) and nuts (26)
Two offset
beams (22)
Two left spring
pins (17)
Two cotter pins
(15)
Two offset
beams (22)
Place in position.
a.
b.
a.
b.
a.
b.
Ensure that split bearing (9) fits directly
under axle (8).
Screw on and tighten using % in. socket and
ratchet handle with ~ in. drive. Torque to 73-
83 Ib.-ft. (99-113 N•m) using torque wrench.
Repeat steps 25 and 26a for right side.
Move trestles to the middle of the rear of the
frame (2).
Place jacks under offset beams (22) and raise
until springs (20) can fit under them.
With aid of an assistant, slide spring (20) under
axle so split bearing and lower pivot block (19)
on spring lineup with axle (8) extension on inside
of spindle (21).
Axle (8) height may have to be adjusted.
Lower axle (8) until it seats on split bearing (9)
and lower pivot block (19).
Place on axle (8) so holes line up with spring (20)
and U-bolts (18).
Ensure that U-bolts (18) come through
upper pivot block (24).
a. Screw on and tighten using 1~ in. open-end
wrench. Torque to 175 Ib.-ft. (237 N•m) using
torque wrench.
b. Repeat steps 28, 29, and 30a for right side.
With aid of an assistant, raise both jacks at the same
time until spring (20) end leaves fit snugly under
frame brackets (16).
a. Place into hole in frame bracket (16).
b. Tap all the way in using hammer.
a. Slip into holes in spring pins (17) and bend over
using slip-joint pliers.
b. Repeat steps 32 and 33a for right side.
a. Lower jacks all the way and pull out.
b. Move trestles to right and left rear comers of
frame (2).
c. Lower frame (2) on trestles and take hoist off two
Iifting hooks (14).
FOLLOW-ON MAINTENANCE:
l Install backing plates (para 4-33).
4-46
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