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 TM 5-5420-279-23
1
a.
Remove
(1)
Remove nyloc nut (1), washer (2) and retainer (3). Discard nyloc nut (1).
(2)
Remove grease fitting (11).
(3)
Lift out roller (4) and bearing seat (10).
(4)
Remove two bolts (14) and locking plate (13) and withdraw shaft (12).
(5)
If necessary remove the retaining ring (5), washer (6) and remove the bearing (7) and seal
(8) from the wheel (9).
(6)
Inspect components for wear, damage and corrosion.
(7)
Examine bolt head and threads for damage.
(8)
Replace components as required.
b.
Install
(1)
Apply thread locking compound to the two bolts (14).
(2)
Fit shaft (12) into launch frame and secure with locking plate (13) and two bolts (14).
(3)
Fit the roller (4) complete with bearing seat (10), bearing (7), seal (8) washer (6) and
retaining ring (5) to the shaft (12).
(4)
Fit the retainer (3), washer (2) and a new nyloc nut (1) to the shaft (12).
(5)
Fit the grease fitting (11) to the shaft (12).
(6)
Grease the roller (4) through the grease fitting (11).
5-167
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