LEG ASSEMBLY REPAIR (EARLY MODEL) (Cont).
Dry cleaning solvent, P-D-680,
is toxic and flammable.
Always wear protective goggles
and gloves, and use only in a well-ventilated
area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO NOT use near open frame or excessive heat.
flash point is 100°F-138°F
if you become
using cleaning solvent, immediately
get fresh air and medical help. If solvent contacts
wash your eyes and get medical aid.
Clean all parts with dry cleaning
solvent and dry thoroughly.
Inspect all parts for wear, distortion,
Check threads of elevating
nut for damage
Check actuator screw for straightness
by rolling on flat surface.
(refer to TM 9-214 for care and maintenance
Inspect bevel gears for cracked,
or worn gear teeth.
Inspect drive shaft for cracks,
bends, or breaks.
Inspect all mounting hardware for cracks, bends, or stripped threads. Replace all defective parts as necessary.
Install new spring pin (30) in inner leg (31).
Install new spring pin (29) and new lubrication
fitting (28) in internally relieved
Position latch (25) over hook of inner leg (31) and install spring (26), internally relieved bolt (27), and nut (24).
(1), two new lubrication
fittings (32), and two sleeve bearings
(4) in outer leg (3).
nut (19) in open end of inner leg (31) and install two shoulder
pin (23) in actuator screw (22).
Install actuator screw (22) in inner leg (31).
Install thrust roller bearing
(21) on actuator screw (22) and install inner leg (31) and actuator screw in bottom
of outer leg assembly
roller cup (7) and tapered cone and rollers (8) in outer leg assembly
key (16) and bevel gear (9) on actuator screw (22) and secure with new self-locking
nut (11) just enough to allow actuator screw (22) to turn freely, but with a minimum of end