TM-9-1240-401-34-P

TELESCOPE MOUNT M146: M118A2 AND M118A3; TELESCOPE MOUNT M145: M145A1; PANORAMIC TELESCOPE: M117 AND M117A2; FIRE CONTROL QUADRANT: M15; PERISCOPE: M42

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

JULY 1993

TM-9-1240-401-34-P - Page 195 of 590

5-21

TM 9-1240-401-34&P

8 Remove two machine screws (17), two lock-

washers (18), and Iamp retainer (19). Discard lock-

washers.

9 Remove eight machine screws (20), eight lock-

washers (21), and two lamp assemblies (22). Dis-

card Iockwashers.

10 Remove machine screw (23), lockwasher (24), and

electrical connector cover (25). Discard lock-

washer.

11 Remove LED (26).

12 Using 11/16 and 45/64 inch tubular spanner

wrench, remove threaded ring (27).

13 Remove electrical lead (28) with wire attached.

14 Remove lens (29), only if necessary for replace-

ment.

15 Remove and discard preformed packing (30).

16 Repeat steps 10 through 15 for second lamp as-

sembly.

NOTE

Perform steps 17 through 21 only if either

lamp assembly needs repair.

17 Unsolder wire (31) from terminal strip (32).

18 Remove preformed packing (33) from plug (34)

and discard.

19 Remove two tubes (35) and insulation sleeving

(36) from plug (34) and holder (37). Discard insula-

tion sleeving.

20 Remove non-shrinkable insulation sleeving (38)

from wire (31). Discard insulation sleeving.

21 Remove electrical lead (28) with wire (31) attached

from holder (37).