TM 9-1240-400-34&P
4-7. MAINTENANCE OF M138 TELESCOPE MOUNT (CONT).
DISASSEMBLY (CONT)
11
Using adjustable spanner wrench, remove plain
round nut (25), shims (26 and 27), if present, and
adapter (8) from bracket assembly (28).
12
Remove pin (29).
CLEANING
Clean all parts per TM 9-254.
REPAIR
1
Support assembly is a repairable assembly; refer to
page 4-11.
2
Bracket assembly is a repairable assembly; refer to
page 4-13.
3
Repair is by replacement of authorized parts as
required. Refer to appendix B.
REASSEMBLY
1
Install pin (1).
2
Apply sealing compound (item 10, appx C) to
threads of plain round nut (2).
3
Using adjustable spanner wrench, install adapter
(3), shims (4 and 5) if removed, and plain round nut
(2) to bracket assembly (6).
4-8
