TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
NOT FULLY
ITEM TO
MISSION
ITEM INTERVAL
CHECK/
PROCEDURE
CAPABLE IF:
NO.
SERVICE
a. Inspect axle (4) for security of mounting on springs (7).
22
Semi-
Front
Tighten nuts (5) on spring U-bolts (3) 350-400 lb-ft
springs,
annual
(475-542 Nm).
shaft,
b. Inspect springs (7) and shackles (8) for cracks,
universal
breaks, and security of mounting. Tighten spring
and slip
shackle mounting nuts (6) 70 lb-ft (95 Nm).
joints,
and axle
CAUTION
Wipe fittings clean before servicing to prevent
damage to shackle pins and bushings.
c. Lubricate spring U-bolts (3) and shackles (8) every
3,000 mi. (4,800 km) or 6 months, whichever occurs first.
2-23
