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 103 of 344

TM 9-1240-400-34&P

Section IV.

DIRECT SUPPORT MAINTENANCE

There are no Direct Support maintenance procedures for the M139 Elbow Telescope.

Section V.

GENERAL SUPPORT MAINTENANCE PROCEDURES

3-7.

MAINTENANCE OF M139 ELBOW TELESCOPE.

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

Lockwasher (MS35338-138)

Use adhesives, cleaning solvents,

Sealing compound (item 10, appx C)

and sealing compounds in well-

ventilated area away from open

References

flame.

Adhesives, cleaning sol-

TM 9-254

vents, and sealing compounds are

TM 750-116

harmful to skin and clothing, can

burn easily, and may give off

Equipment Conditions

harmful vapor.

M139 elbow telescope removed from

M110A2 howitzer (TM 9-2350-304-20-2)

DISASSEMBLY

1

Remove eyeshield (1) and telescope adapter

3

Remove loop clamp (5).

(2).

4

Remove purging screw (6).

2

Remove screw (3) and lockwasher (4).

3-7

WARNING