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 tion
of
one
of
these
may
affect
the
functioning
of
others.
In
correcting a specific malfunction, it may be necessary to search
for
and
correct
the
basic
fault
rather
than
to
balance
out
or
allow for the more apparent cause of the trouble.
b. Hard Pulling.
(1) Dragging brakes. Adjust brakes (par. 56).
Improper
wheel
bearing
adjustment. Adjust
(2)
(par.
53c(2)).
(3)
Loose trunnion cross tube bracket bolts. Tighten
bolts.
Notify
ordnance
maintenance
personnel.
Loose
springs. Aline springs. Tighten U-bolt nuts.
(4)
(5)
Broken or disconnected torque rods. Notify
ordnance
maintenance personnel.
c.
Improper Spring Action.
( 1 ) Loose U-bolts. Tighten
U-bolt
nuts.
Uneven load distribution. Distribute load properly.
(2)
(3)
Broken leaves, center bolts, or clips. N o t i f y
ordnance
maintenance personnel.
(4)
Notify ordnance maintenance
Excessive
flexibility.
personnel.
d.
Excessively
Worn,
Scuffed,
or
Cupped
Tires.
Inflate
tires
to
proper
pres-
(1)
Improper tire pressure.
sure (par. 52a).
( 2 ) Loose wheels. Tighten wheel nuts and capnuts.
Loose
wheel
(3)
Bent rim or wheel. Replace wheel (par. 52b and c).
(4)
Out
of
round
brake
drum. Replace
drum
(pal.
53d
(5)
and e).
( 6 ) Broken or disconnected torque rods. Notify
ordnance
maintenance personnel.
48.
a. General.
The principal causes of failure of the landing
gear to operate properly are lack of lubrication and misuse.
Adequate lubrication is essential to good operation.
b.
Difficulty in Turning Operating Handcrank.
(1) Lack of lubrication O r improper lubricant
used. R e f e r
to
lubrication
order
(fig.
32)
for
proper
Remove lubricating fittings from gear boxes, legs, and
handcrank and insert a wire as an oil gage to deter-
mine
amount,
type,
and
condition
of
lubricant
in
the
unit.
(2) Bent crank shaft extension. Replace
or
straighten
shaft (pars. 68a and 69 b).
TAGO 1321B
77
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