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 175 of 344

TM 9-1240-400-34&P

13 Carefully remove observation windows (28 and only

if damaged.

CLEANING

Clean all parts per TM 9-254.

REPAIR

1

If cover is broken, damaged, or missing, repair is by replacement of next higher assembly.

2

Repair is by replacement of authorized parts as required.

Refer to appendix B.

REASSEMBLY

1

If removed, apply sealing compound (item 10,

appx C) to edges of observation windows (1 and

2).

2

Install observation windows (1 and 2) in cover

(3).

Remove excess sealing compound.

5-21