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 (M270A1). Make brake air chamber push rod travel
Replace defective master cylinder or
test
brake air chamber (par. 62c and d).
(10) Defective
brake camshaft follwer roller (M270 and
Notify ordnance maintenance personnel.
M269) .
e.
Grabbing Brakes.
(1) Moisture
in
air
filters,
air
reservoir,
Or
emerency
relay valve.
Drain (pars. 59-61).
(2) Brakes
out
of adjustment. Adjust
(par.
56).
(3) Grease
in
brake
lining. Replace
brake
shoes
(par.
57a
and
d
(M269
and
M270)
and
TM
9-1827C
(M270A1))
and
check
and
replace
oil
seal,
if
dam-
aged
or
worn
(par.
53a(3)).
(4) Loose of worn wheel bearings. Adjust
(par.
If
they
cannot
be
adjusted
properly,
re-
53c(2)).
place bearings (par. 53a (3)).
Replace
( 5 ) C r a c k e d , s c o r e d , or
deformed
brake
drum.
drum (par. 53d and e).
r loose brake lining. Replace
brake
shoes
(par.
(6) W o r n
O
57a and d
(M269
and
M270)
and
TM
9-1827C
(M270A1)).
(7) Defective brake camshaft follower roller (M270 and
Notify ordnance maintenance personnel.
M269)
(8)
Defective
brake
wheel
cylinders
(M207A1).
Inspect
brake wheel cylinders and replace if necessary (TM
9-1827C) .
f.
Brake Drag (One or More Brake Drums Running Hot).
(1) Brakes adjusted too tightly. Adjust brakes (par. 56).
(2) Weak or broken brake shoe tension spring: R e p l a c e
spring
and
d
(M269
and
M270),
and
TM
9-1827C (M270A1)) .
(3) Defective brake camshaft follower roller ( M 2 7 0
and
M269).
Notify ordnance maintenance personnel.
(4) Defective
brake
wheel
cylinder (M270A1).
Inspect
brake
wheel
cylinder
and
replace
if
necessary
(TM
9-1827C).
(5) O u t - o f - r o u n d
brake
drum. Replace
drum
(par.
53d,
e, f, and g).
47. Suspension
a. General. The suspension of the vehicle includes a number
of units, the function of which are closely related. These units
are the springs, axles and trunnion tube, brackets, connections,
hubs, wheels, and tires.
Any
improper
adjustment
or
opera-
TAGO 1321B
76
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