TM 9-1240-401-34&P
4-22. SEGMENT ASSEMBLY MAINTENANCE INSTRUCTIONS - continued
b. Disassembly
1
Using 1-1/8 and 1-9/64 inch tubular spanner
wrench, remove nut (8).
Remove bearing (9), separator (10), and bearing
2
(11).
Remove retaining plate (2) and mechanical felt
3
(12), then separate them. Discard mechanical felt.
Remove two machine screws (13) and two stops
4
(14) from segment (15).
b. Repair
1 Remove corrosion, grease, and dirt from all parts.
Refer to TM 9-254 for cleaning instructions.
2 Visually inspect for missing or damaged parts.
3 Repair or replace parts in accordance with author-
ized parts listed in appendix D.
d. Assembly
Install two stops (14) and two machine screws (13).
1
Lubricate new mechanical felt (12) with oil and in-
2
sert into retaining plate (2).
Install retaining plate (2) on segment (15).
3
Install bearing (11), separator (10), bearing (9), and
4
nut (8).
Using 1-1/8 and 1-9/64 inch tubular spanner
5
wrench, tighten nut (8) to preload bearing (9) and
bearing (11) to obtain free rotation without end
play.
Stake nut (8) after preloading.
6
