TM 9-2330-238-14
5-14. LANDING
GEAR ACTUATING
LEG ASSEMBLY REPAIR (EARLY MODEL) (Cont).
WARNING
1.
2.
3.
4.
5.
6.
7.
8.
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.
The solvents
flash point is 100°F-138°F
(38°C-59°C).
if you become
dizzy while
using cleaning solvent, immediately
get fresh air and medical help. If solvent contacts
eyes, immediately
wash your eyes and get medical aid.
Clean all parts with dry cleaning
solvent and dry thoroughly.
Inspect all parts for wear, distortion,
or cracks.
Check threads of elevating
nut for damage
or wear,
Check actuator screw for straightness
by rolling on flat surface.
Inspect
tapered
cone
and rollers
and thrust
roller
bearing
for pits,
corrosion,
or wear
and replace
if
unserviceable
(refer to TM 9-214 for care and maintenance
of bearings).
Inspect bevel gears for cracked,
chipped,
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.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Install new spring pin (30) in inner leg (31).
Install new spring pin (29) and new lubrication
fitting (28) in internally relieved
bolt (27).
Position latch (25) over hook of inner leg (31) and install spring (26), internally relieved bolt (27), and nut (24).
Install capscrew
(1), two new lubrication
fittings (32), and two sleeve bearings
(4) in outer leg (3).
Position elevating
nut (19) in open end of inner leg (31) and install two shoulder
pins (20).
Install headless
grooved
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
opening
of outer leg assembly
(3).
Install tapered
roller cup (7) and tapered cone and rollers (8) in outer leg assembly
(3).
Install machine
key (16) and bevel gear (9) on actuator screw (22) and secure with new self-locking
nut (11).
Tighten self-locking
nut (11) just enough to allow actuator screw (22) to turn freely, but with a minimum of end
play.
5-41