TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
ITEM TO
ITEM
INTERVAL
CHECK/
NOT FULLY
PROCEDURE
MISSION
NO.
SERVICE
CAPABLE IF:
21
Semi-
Steering
annual
f.
Inspect power steering pump for security of mounting,
system
(Contd)
leaks, and signs of damage. Tighten loose mounting
hardware.
g.
On M939/A1 series vehicles, inspect power steering
pump belts for tension and serviceability (para. 3-230).
h.
Inspect power steering pressure and return hoses and
fittings for loose connections, cracks, splits, or damage
that could cause potential hydraulic leaks. Tighten loose
hydraulic lines and fittings, and replace any hydraulic line
or fitting that has cracks, splits, or damage that could
cause potential hydraulic leaks. Refer to para. 3-234 for
Ross steering gear, or para. 3-235 for Sheppard
steering gear.
i.
Inspect power steering hydraulic lines between steering
gear and steering assist cylinder and fittings for security of
mounting, loose connections, cracks, splits, or damage that
could cause hydraulic leaks. Tighten loose hydraulic lines and
fittings, and replace any hydraulic line or fitting that has
cracks, splits, or damage that could cause hydraulic leaks
(para. 3-239).
j.
Inspect steering gear for security of mounting and
signs of leaks.
1.
Loosen bracket mounting screws (1).
2.
Tighten steering gear mounting locknuts (2)
260-280 lb-ft (353-380 N·m).
3.
Tighten locknuts (3) 60-70 lb-ft (81-95 N·m).
2-22