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 178 of 344

TM 9-1240-400-34&P

5-11.

MAINTENANCE OF LEVEL ASSEMBLY

This task covers:

a.

Disassembly

c.

Repair

b.

Cleaning

d.

Reassembly

INITIAL SETUP:

Tools and Special Tools

Tool kit, electronic: system maintenance

(SC 5180-95-CL-B29)

Tubular spanner wrench, 11/16 and

45/64 (7597638)

Materials/Parts

Sealing compound (item 10, appx C)

Solder (item 12, appx C)

Soldering flux (item 7, appx C)

References

TM 9-254

TM 9-2350-304-20-2

Equipment Condition

5-11 Level assembly removed from M137

telescope mount assembly

General Safety Instructions

WARNING

Use adhesives, cleaning solvents,

and

sealing compounds in well-ventilated

area away from open flame.

Adhesives,

cleaning

solvents,

and

sealing

compounds are harmful to skin and

clothing, can burn easily, and may give

off harmful vapor.

DISASSEMBLY

1

Carefully remove bushing insulator (1) from

bracket (2).

2

Unsolder electrical lead (3) from electrical

contact (4).

3

Remove retaining ring (5), electrical contact (4),

and spring (6) from bushing insulator (1).

5-24