5-12. LANDING GEAR GEARBOX 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 bearing for rust, pits, or excessive
fittings (9) for cracks or bends.
Inspect gear clusters for cracks, breaks, or chipped
cover and gearbox base assembly
for cracks or breaks.
Inspect all mounting
hardware for cracks, bends, or stripped threads.
parts as necessary.
block (8) in place on support leg bracket
(6) and install two capscrews
(13) and new
outer bearing block
(10) and ratchet handcrank
holder (11) in place on support
install two capscrews
(13) and new Iockwashers
Using arbor press, install bearing
(4) and new seal (5) in gearbox base assembly
(3) in place on support leg bracket
(6) and over shaft of leg assembly
Install two capscrews
(16), new Iockwashers
(18), and Iockwasher
Install gear cluster (19) on shaft of leg assembly
(7) and secure with pin (14).
Install gear cluster (20) on crankshaft (1)
and secure with pin (2). Slide round end of crankshaft
hole of gearbox access
(19 and 20) in accordance
(Chapter 3, Section l).
Position access cover (27) and crankshaft
(1) in place on gearbox base assembly
(3), ensuring that crankshaft
and shaft of leg assembly
(7) are alined with their respective
Install four capscrews
(26), new Iockwasher
(25), and washers
(24) and secure access
cover (27) to gearbox
Install bearing bail (23), spring (22), and plug (21) in access
Install ratchet on crankshaft