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 182 of 344

TM 9-1240-400-34&P

5-12.

MAINTENANCE OF TELESCOPE MOUNT SUBASSEMBLY LOWER 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)

Adjustable spanner wrench (8284045)

Materials/Parts

Aircraft grease (item 8, appx C)

Sealing compound (item 10, appx C)

Self-locking nut (8215831)

Solder (item 12, appx C)

Soldering flux (item 6, appx C)

References

TM 9-254

TM 9-2350-304-10

Equipment Conditions

5-13 M137 telescope mount use assembly

disassembled

General Safety Instructions

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 bum easily, and may give

off harmful vapor.

DISASSEMBLY

NOTE

M137 telescope mount upper assembly

housing shown removed for clarity.

1

Unsolder two electrical wires (1) and remove

from four electrical contacts (2).

2

Remove four electrical contacts (2) and four

bushing insulators (3) from housing (4).

5-28