TM 9-1240-380-34
EYEPIECE ASSEMBLY PACKING INSTALLATION
APPLICABLE CONFIGURATIONS: M36E1
TOOLS: .050" socket head screw key (Allen wrench or equivalent)
SUPPLIES:
PERSONNEL: One
REFERENCES: JPG 41C for lubricating
EQUIPMENT CONDITION: Eyepiece assembly on work bench
I FRAME 1 I
Procedure
Step
1.
Put a thin film of grease on surface of packing (1) (JPG).
2.
Install packing (1) in groove of optical element cell (2).
3.
Using fingers, turn optical element cell (2) counterclockwise while holding adapter (3)
with other hand. Turn cell (2) until it stops.
4.
Using fingers, install plain round nut (4) into cell (2) until snug.
5.
Using Allen wrench, tighten two setscrews (5).
6.
Install scale diopter (6) on adapter (3). Using Allen wrench, tighten three setscrews (7).
7.
Install index ring (8) on cell (2). Using Allen wrench, tighten two setscrews (9).
NOTE
FOLLOW-ON MAINTENANCE:
Install eyepiece assembly into elbow assembly (para
7-10, steps 4, 5
and 6
only).
END OF TASK
Vol II