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 91 of 590
3-33
TM 9-1240-401-34&P
8 Remove preformed packing (16) from reticle cage
and cant corrector
subassembly (8). Discard
preformed packing.
9 Remove purging machine screw (17).
b. Repair
1 Remove corrosion, grease, and dirt from all parts.
Refer to TM 9-254 for cleaning instructions.
2 Visually inspect for missing or damaged parts.
3 Repair or replace parts in accordance with author-
ized parts listed in appendix D.
c. Assembly
1
2
3
4
5
6
7
Apply grease to new preformed packing (16) and
install on reticle cage and cant corrector subas-
sembly (8).
Install objective and diaphragm subassembly (15)
on reticle cage and cant corrector subassembly (8).
Install two clamp rings (14) and secure with four
new Iockwashers (13) and four cap screws (12).
Install purging machine screw (17).
Connect connector plug (11) to wiring harness and
secure plug in place with new Iockwasher (10) and
machine screw (9).
Install eyepiece and erector lens subassembly (5)
on reticle cage and cant corrector subassembly (8)
and secure with four new Iockwashers (7) and four
cap screws (6).
Install eyeshield (4) and loop clamp (3) and secure
with machine screw (2) and new self-locking nut
(1).
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