LANDING GEAR REPAIR (EARLY MODEL) (Con't).
Remove roller bearing (21 ) from screw (23).
Remove machine key (22) from nut (30) in lower
Do not perform steps 14 through 16 unless in-
spection indicates that parts are unservice-
Drive out two pins (31 ) securing nut (30) to lower
leg (29). Remove nut.
Using arbor press (or equivalent), remove sleeve
Remove two lubrication fittings (35 and 36) from
upper leg (20).
b. CLEANING AND INSPECTION
Wipe all park clean.
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 flame or excessive heat. The
solvent's flash point Is 100F-138F
(38C-59C). If you become dizzy while using
cleaning solvent, immediately get fresh air and
medical help. If solvent contacts eyes, immedi-
ately wash your eyes and get medical aid.
Remove old lubricant using dry cleaning solvent.
Clean roller bearings, gears, and screw threads
Inspect all parts for wear, distortion, and cracks.
Replace all unserviceable parts.
Check gears for worn, cracked, or broken teeth.
Remove burrs with fine file or abrasive cloth.
Check bearings, bearing cup, and sleeve bear-
ings for excessive wear.
Check landing gear screw, crank, and gearshafts
for wear and straightness. Roll screw and shafts
on flat surface to check straightness.