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 98 of 590
TM 9-1240-401-34&P
3-24. RETICLE CAGE ASSEMBLY MAINTENANCE INSTRUCTIONS (M118A3)
- continued
a. Removal
1
2
3
4
5
Remove eight cap screws (1), eight Iockwashers
(2), two access covers (3) and two preformed
packings (4) from both sides of housing (5). Dis-
card preformed packings and Iockwashers.
Remove threaded ring (6) from housing (5), using
fabricated spanner wrench.
Remove reticle cage assembly (7) from housing (5)
being careful not to damage wiring harness (8).
Remove machine screw (9) and clamp (10). Re-
lease wiring harness (8) from side of the reticle
cage assembly (7).
Disconnect wires of wiring harness (8), by remov-
ing two nuts (11) and two Iockwashers (12). Dis-
card Iockwashers.
b. Disassembly
Remove two machine screws (13), two lock-
washers (14), circuit board assembly (15), and two
sleeve spacers (16) from reticle cage assembly (7).
Discard Iockwashers.
c. Repair
1 Visually inspect for missing or damaged parts.
2 Repair or replace parts in accordance with author-
ized parts listed in appendix D.
3-40
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