TM 91240-400-34&P
5-12.
MAINTENANCE OF TELESCOPE MOUNT SUBASSEMBLY LOWER ASSEMBLY (CONT).
DISASSEMBLY (CONT)
8
Remove self-locking nut (18), thrust washer (19),
and bearing (20) from worm shaft (17).
CLEANING
Clean all parts per TM 9-254.
REPAIR
Repair is by replacement of authorized parts. Refer to
REASSEMBLY
NOTE
Apply a light coat of aircraft grease (item
8, appx C) to all moving parts.
1
Install bearing (1), thrust washer (2), and new
self-locking nut (3) to worm shaft (4).
2
Install worm shaft (4) in housing (5).
3
Install nonmetallic washer (6), spring (7), and
nonmetallic washer (8) on worm shaft (4).
4
Apply sealing compound (item 10, appx C) to
threads of ring (9).
5
Using adjustable spanner wrench, install ring (9)
in housing (5).
6
Install nonmetallic washer (10) and knob (11).
7
If necessary, drill and ream knob (11) and worm
shaft (4). Install tapered pin (12). Refer to TM
9-254.
5-30
