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 TM 5-5420-279-23
a.
Remove
(1)
Remove the nyloc nut (7) and washer
(8), discard the nut (7).
(2)
Drive the roller shaft (2) upward from
its housing on the carriage and from
the roller (4) using a hammer and a
brass drift.
CAUTION
Damage to roller shaft. Do not
hammer on the roller assembly.
(3)
Remove the top cap (3) and roller
assembly (4) and thrust washer (5).
(4)
Examine all components for damage
and corrosion.
(5)
Examine the roller shaft (2) housing on
the carriage frame for distortion and
corrosion.
(6)
Examine the grease fitting (6) on the
end of the roller shaft (2) for damage,
replace if necessary.
b.
Install
(1)
Position the top cap (3), thrust washer
(5) and a new roller assembly (4) on
the carriage.
(2)
Remove the grease fitting (6) from the
roller shaft (2).
(3)
Coat the roller shaft (2) with anti-seize
compound then insert the roller shaft
(2) through the top cap (3) and roller
(4).
(4)
Refit the grease fitting (6) to the roller
shaft (2).
(5)
Fit the plain washer (8) and nyloc nut
(7) then tighten.
c.
Follow on tasks
(1)
Grease the roller shaft (2) through the
grease fitting (6).
(2)
Check the roller assembly (4) for free rotation.
5-221
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