TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
NOT FULLY
ITEM TO
ITEM INTERVAL CHECK/
MISSION
PROCEDURE
NO.
SERVICE
CAPABLE IF:
21
Semi-
Steering
NOTE
annual
system
Lubricate grease fittings every 3,000 mi. (4,800 km)
(Contd)
or 3 months, whichever occurs first. When practical,
lubrication services will be made to coincide with
the semiannual preventive maintenance service. For
this purpose, a 10 percent tolerance (variation) in
specified lubrication point mileage is permissible.
b. Lubricate at steering knuckle grease fittings (1), tie
rod assembly grease fittings (4), steering shaft grease
fittings (7) and (8), drag link grease fittings (2), and power
steering assist cylinder grease fittings (6).
EXPECTED TEMPERATURES
+40F TO -15F
+40F TO -65F
ABOVE 15F
(+4C TO -54C)
(ABOVE -9C)
(+4C TO -26C)
All temperatures
GAA
Grease, automotive and
artillery (MID-G-10924)
NOTE
An assistant is required to perform the following
step.
c. Inspect steering stops for presence and security.
If any stop is missing or has broken welds, notify DS
maintenance.
d. With engine shut off, turn steering wheel slowly
d. Movement
right and left.
between cross and
1. Inspect steering gear U-joints while steering wheel cap is present.
is rotated.
2. Check for free play between steering knuckles
and tie rod ends, power assist cylinder, and drag link and
pitman arm to drag link. If free play is present, tighten
four steering knuckle nuts (5) and drag link-to-pitman arm
nut (3) 140-180 lb-ft (190-244 Nm). Tighten to minimum
torque and continue to tighten as needed to align slot in
nut and cotter pin hole. Do not tighten over 275 lb-ft
(373 Nm).
3. Repeat step 2. If free play is still present, notify
DS maintenance.
e. Inspect power steering assist assembly.
1. Remove stone shield (para. 3-231).
2. Inspect power steering assist cylinder for
condition and security of mounting (para. 3-233).
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