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 60 of 320
TM 9-2330-247-14&P
Table 4-1. Organizational Preventive Maintenance Checks and Services (PMCS) (Con’t).
S–SEMIANNUAL
A-ANNUAL
ITEM
INTERVAL
NO,
PROCEDURES
s
A
4
WHEELS AND TIRES (Con’t)
b. Remove hub and brakedrum and check condition of brake internal components, linings,
links, guides, anchors, and supports. Disassemble, clean, inspect, and pack wheel
bearings (para 4-44).
5
SUSPENSION
a. Check for any evidence of damage to springs, spring mounting bolts, and U-bolts.
Check for loose clips or shifted leaves.
b. Torque spring mounting U-bolts to 175 Ib.-ft. (237 N•m). Inspect axle (para 4-21).
6
ELECTRICAL WIRING
Inspect chassis wiring harness, intervehicular cable, light assemblies, clips, shields, and
grommets for correct assembly and condition. Replace or repair as required (paras 4-23
through 4-27).
7
DATA PLATES AND PAINT
Inspect condition of paint and legibility of data plates.
8
ROAD TEST
NOTE
Be alert for any unusual noises that may indicate damage or looseness in springs.
a. Perform road test. Give special attention to items that were repaired or adjusted. Be alert
for unusual or excessive noises that may indicate damage, looseness, defects, or defi-
cient lubrication in attachments or wheels.
WARNING
Cautiously feel each wheel hub and brakedrum. Serious burns can result from
touching an overheated brakedrum.
b. After road test, cautiously feel wheel hubs and brakedrums for excess heat. An over-
heated wheel hub and brakedrum indicates an improperly adjusted or defective brake,
or dry wheel bearings.
4-6
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