TM 9-1240-401-34&P
5-17. M117/M117A2 PANORAMIC TELESCOPE MAINTENANCE INSTRUCTIONS
This task covers:
a. Disassembly b. Repair c. Assembly
INTIAL SET-UP
TooIS
Soldering iron (Item 24, appx F)
Grease (Item 7, appx B)
Lockwashers (6) (Item 70, appx E)
Tool Kit, Electronic System, Repair, Field Mainte-
Preformed packing (Item 31, appx E)
nance (SC5180-95-CL-B29)
Preformed packing (Item 34, appx E)
Preformed packing (Item 33, appx E)
Sealing compound (Item 13, appx B)
V-block (Item 25, appx F)
Self-locking nut (Item 17, appx E)
Solder (Item 18, appx B)
Equipment Condition
Adhesive (Item 2, appx B)
Felt mechanical washer (Item 2, appx E)
M117/M117A2 panoramic telescope removed
Flux (Item 5, appx B)
from howitzer (TM 9-2350-311-10/
TM 9-2350-314-10)
Grease (Item 6, appx B)
a. Disassembly
I
Remove two machine screws (1) and plate (2).
1
2
Using azimuth knob, slowly rotate cap (3) and re-
move 50 balls (4).
3
Pull cap (3) from M117/M117A2 panoramic tele-
scope.
4
Remove azimuth knob (ref. para 5-13).
5
Remove plate and gunner's aid knob (ref. para
6
Remove correction counter cover (ref. para 5-13).
7
Remove elevation knob (ref. para 5-13).
8
Remove cap screw (5) and Iockwasher (6). Discard
Iockwasher.
Remove cap screw (7) and Iockwasher (8). Discard
9
Iockwasher.
5-26
