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 171 of 344

TM 9-1240-400-34&P

19

Apply a coat of adhesive (item 2, appx C) to one

side of gasket (34).

20

Install gasket (34) to access cover (35).

21

Apply a coat of grease (item 9, appx C) to other

side of gasket (34).

22

Install access cover (35), four new lockwashers

(36), and four screws (37) to housing (2).

23

Install spring tension clip (38), two new

lockwashers (39), and two screws (40) to access

cover (35).

24

Attach extension light (33) to spring tension clip

(38).

5-9.

MAINTENANCE OF EXTENSION LIGHT 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)

Materials/Parts

Sealant adhesive (item 5, appx C)

References

TM 9-254

Equipment Conditions

5-13 Extension light removed from M137

telescope mount upper assembly

housing.

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 burn easily, and may give

off harmful vapor.

5-17