3-27. OBJECTIVE AND DIAPHRAGM SUBASSEMBLY MAINTENANCE INSTRUCTIONS
a. Disassembly b. Repair c. Assembly
This task covers:
Tool Kit, Electronic System, Repair, Field Mainte-
M118A2/M118A3 elbow telescope removed from
howitzer (TM 9-2350-311-10)
Tubular spanner wrench, 2 and 2-1/64 inch
(Item 33, appx F)
Elbow telescope subassembly, eyepiece and
erector lens subassembly removed from
M118A2/M118A3 elbow telescope (ref. para
1 Remove setscrew (1).
2 Using 2 and 2-1/84 inch tubular spanner wrench,
remove cell assembly (2) from tube assembly (3).
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.
1 Using 2 and 2-1/84 inch tubular spanner wrench,
install cell assembly (2) in tube assembly (3).
2 Install setscrew (1) to secure cell assembly (2).