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 209 of 590
TM 9-1240-401-34&P
c. Assembly
1
2
3
4
5
Apply sealing compound to the internal lip of cell
(2).
While observing the reference marks on the
lenses, install lens (6), spacer (5), and lens (4) in
cell (2).
Using 1 and 1-1/64 inch tubular spanner wrench
(item 27, appx F), install threaded ring (3) in cell
(2).
Using 1-3/32 and 1-7/64 inch tubular spanner
wrench (item 28, appx F), install threaded ring (1)
in cell (2).
Stake threaded ring (3) and threaded ring (1) in
place using sealing compound.
5-21. DOVE PRISM ASSEMBLY MAINTENANCE INSTRUCTIONS
This task covers:
a. Removal b. Repair c. Installation
INITIAL SET-UP
Tools and Special Tools
Spanner wrench, fabricated (fig. C-7, appx C)
M117/M117A2 panoramic telescope removed
Tool Kit, Electronic System, Repair, Field Mainte-
from howitzer (TM 9-2350-311-10/
nance (SC5180-95-CL-B29)
TM 9-2350-314-10)
Materials/Parts
Lower housing removed from telescope (ref. para
5-17)
Grease (Item 6, appx B)
5-35
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