TM 9-1240-400-34&P
2-15.
MAINTENANCE OF ELBOW ASSEMBLY, AND OPTICAL INSTRUMENT CELL ASSEMBLY.
This task covers:
a. Removal/Disassembly
c.
Repair
b. Cleaning
d.
Reassembly/Installation
INITIAL SETUP:
Tools and Special Tools
References
Tool kit, electronic: system maintenance
TM 9-254
(SC 5180-95-CL-B29)
Equipment Conditions
Gun, hand injection (7648117)
Tubular spanner wrench, 1-5/8 and
2-19 Elbow assembly removed
1-41/64 (7597668)
Tubular spanner wrench, 1-3/32 and
General Safety Instructions
1-7/64 (7597651)
Tubular spanner wrench, 1-25/32 and
WARNING
1-51/64 (7597673)
Tubular spanner wrench, 7/8 and 57/64
Use adhesives, cleaning solvents,
(7597644)
and sealing compounds in well-
ventilated area away from open
Materials/Parts
flame. Adhesives, cleaning sol-
Lockwasher (8) (MS35333-70)
vents, and sealing compounds are
Preformed packing (8587449-3)
harmful to skin and clothing, can
Screw (MS35249-3)
burn easily, and may give off
Sealing compound (item 10, appx C)
harmful vapor.
Silicone compound (item 11, appx C)
REMOVAL/DISASSEMBLY
1
Remove two setscrews (1) and eyepiece
assembly (2) from elbow (3) using tubular
spanner wrench (7597668).
2
Remove preformed packing (4) and discard.
2-50
