TM 9-1240-401-34&P
3-21. M218A2/M1 18A3 ELBOW TELESCOPE MAINTENANCE INSTRUCTIONS
a. Disassembly b. Repair c. Assembly
This task covers:
Tools
Preformed packing (Item 36, appx E)
Tool Kit, Electronic System, Repair, Field Mainte-
Tissue (Item 11, appx B)
nance (SC5180-95-CL-B29)
TM 9-254
Grease (Item 7, appx B)
Nut, self-locking (Item 11, appx E)
M118A2/M118A3 elbow telescope removed from
Lockwasher (Item 67, appx E)
howitzer (TM 9-2350-311-10)
a. Disassembly
Remove self-locking nut (1) and machine screw
1
(2). Discard self-locking nut.
Remove loop clamp (3) and eyeshield (4) from
2
eyepiece and erector lens subassembly (5).
Remove four cap screws (6) and four Iockwashers
3
(7). Discard Iockwashers. Carefully separate eye-
piece and erector lens subassembly (5) from reticle
cage and cant corrector subassembly (8).
Remove machine screw (9) and Iockwasher (10)
4
from connector plug (11) and unplug wiring har-
ness from connector on eyepiece and erector lens
subassembly (5). Discard Iockwasher.
5
Protect both ends of eyepiece and erector lens
subassembly (5) with several thicknesses of tissue
to prevent damage (ref. TM 9-254).
6
Remove four cap screws (12), four Iockwashers
(13), and two clamp rings (14). Discard lock-
washers.
Remove objective and diaphragm subassembly
7
(15) from reticle cage and cant corrector subas-
sembly (8).
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