TM-9-1240-400-34-P

TELESCOPE; PANORAMIC: M115, ELBOW: M139, MOUNT: M138 AND M137

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1993

TM-9-1240-400-34-P - Page 112 of 344

TM 9-1240-400-34&P

3-9.

MAINTENANCE OF RETICLE CELL ASSEMBLY

REASSEMBLY

1

Install reticle (1) in cell (2) with etched side

toward externally threaded ring (3), and aline

horizontal line on reticle (1) with scribe mark on

cell (2).

2

Install externally threaded ring (3) and apply a

small amount of sealing compound (item 10,

appx C) in slots.

3-10.

MAINTENANCE OF OBJECTIVE CELL ASSEMBLY.

This task covers:

a.

Disassembly

c.

Repair

b.

Cleaning

d.

Reassembly

INITIAL SETUP:

Tools and Special Tools

General Safety Instructions

Tool kit, electronic: system maintenance

(SC 5180-95-CL-B29 )

Materials/Parts

Sealing compound (item 10, appx C)

Use adhesives, cleaning solvents,

and sealing compounds in well-

References

ventilated area away from open

TM 9-254

flame.

Adhesives, cleaning sol-

vents, and sealing compounds are

Equipment Conditions

harmful to skin and clothing, can

3-7

Objective cell assembly removed

burn easily, and may give off harm-

ful vapor.

3-16

WARNING