LANDING GEAR REPAIR (EARLY MODEL) (Con't).
Screw nut onto screw and check full length of
screw for ease of operation or wear. Remove nut
Check gib and its contacting grooved surface in
lower leg for burrs and wear. Remove burrs with
fine file and finish with fine abrasive cloth.
Insert lower leg in upper leg and simulate full
retraction and extension. Check for ease of
Check wheels and axl for ease of operation and
Allparts found serviceable after inspection and
repair must be rust and corrosion free. Use fine file
or abrasive cloth to clean affected areas.
inspect all exterior surfaces for chipped paint,
Scrape loose paint, clean and dry area, and prime
coat (TM 43-01 39).
if sleeve bearings (15 and 16) were removed,
Press in place using an arbor press or equivalent.
Match drll from gearbox a 27/84 in. (1 .07 cm)
diameter hole through top of new sleeve bearing
(16) to allowball bearing (10) to contact shaf t(11).
Remove burrs and loose chips.
if removed, install nut (30) in lower leg (29) using
arbor press or equivalent. Ensure that holes for
pins (31) are in perfect alinement.
If removed, install two pins (31) to secure nut (30)
to lower leg (29). Ensure that pins are fully seated
to prevent binding on screw (23).
Lubricate screw (23) with grease. install screw in
nut (30). Engage screw about half its total length.
Lubricate roller bearing (21) with grease. install
roller bearing on screw (23) and insert entire lower
leg (29) into upper leg (20) until roller bearing
contacts underside of gearbox (37).
Lubricate bevel gear (39) with grease. Assemble
machine key (22), bevel gear, and retaining band
(40) to top of screw (23) and secure with new