TM 9-2320-260-34-2
16-3. FRONT WINCH LEVEL WIND MAINTENANCE (Contd)
d. Assembly
NOTE
Ensure all felt seals are soaked in oil before installation.
q
Ensure all bearings are packed with grease before installation.
q
1.
Press short end of frame extension (11) into sheave frame (2) and install new locknut (1).
2.
Coat inner race (9) with light coat of grease and place in trolley frame (7). Inner race (9) has no bevel
on shaft bore.
3.
Coat twenty-six ball bearings (6) with grease and place in groves of inner race (9).
4.
Coat outer race (5) with light coat of grease and place in trolley frame (7). Ensure level side of outer
race (5) is facing up and is seated over ball bearings (6).
5.
Soak new felt seal (4) in lubricating oil and place in trolley frame (7).
6.
Install bushing (3) in trolley frame (7) until it touches felt seal (4).
7.
Coat bushing contact surface of sheave frame (2) with grease, and install in trolley frame (7). Using
arbor press, press bushing (3) and frame (2) until shoulder (12) of frame extension (11) is seated in
bevel (10) of outer race (5). Bushing (3) and felt seal (4) will be correctly seated at same time.
Install bearing (8) on frame extension (11).
8.
9.
Soak new felt washer (13) in lubricating oil and place over bearing (8) in bore of trolley frame (7).
Place washer (14) on frame extension (11) and install with nut (15).
10.
11.
Install grease fitting (16) in end of frame extension (11).
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