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TM 10-3930-638-24&P
3-24. STEERING SYSTEM MAINTENANCE (cont)
d. Steering Cylinder Assembly Repair (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
INSPECTION (cont)
12
Cylinder (18)
Inspect
Repair nicks or scratches in cylinder with
medium grit emery cloth, polishing with
a rotary motion. Replace if cracked or
dented, if deeply grooved or scored, or
if threads damaged
REASSEMBLY
13
Gland (2)
a. New rod seal (13)
Install
With seal lip facing piston side of gland
b. New wiper (12)
Install
Position with wiper lip away from gland,
and press into gland until seated
c. New back-up ring
Install
(11) and O-ring
(10)
d. Gland (2)
Install
Coat bore of gland with clean hydraulic
oil and slide gland onto piston rod (3)
14
Piston (6)
a. New O-ring (9)
Install
In narrow groove of piston (6)
CAUTION
Make certain O-ring (9) and seal ring (8) are not rolled when seated.
b. New seal ring (8)
Install
Over O-ring (9)
c. New wear ring (7)
Install
In wide groove of piston
d. Piston (6)
Install
Position recess in piston toward piston rod
(3), and slide assembled piston onto
piston rod
15
Piston rod (3)
a. Piston rod (3)
Piston and
In soft jawed vise
clamp
b. Flat washer (5)
Install
On cap screw (4)
c. Cap screw (4) with
Install and
Tighten to 150-180 pounds foot torque
washer (5)
tighten
d. Piston seals and rings
Lubricate
Coat with clean hydraulic oil
(7, 8 and 9)
CAUTION
Be careful not to cut or damage O-rings and seals in the following
step.
e. Piston (6) with
Install
Remove piston rod from vise and carefully
piston rod (3)
guide piston and rod into cylinder (18)
3-188
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