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TM 9-1240-375-34&P
DIRECT SUPPORT
M172/M172A1 TELESCOPE AND QUADRANT MOUNT
(1240-01-037-7290/1240-01-517-2171)
TROUBLESHOOTING PROCEDURES
QUADRANT ADAPTER
INITIAL SETUP:
Materials/Parts
Abrasive cloth (item 9, WP 0152 00)
Cleaning compound (item 12, WP 0152 00)
Wiping rag (item 18, WP 0152 00)
QUADRANT ADAPTER
Table 1. Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1
1 fc 0 3 9
1. M18/M18A1 QUADRANT
Check mounting surface (1) for
WARNING
DOES NOT MOUNT
dirt or burrs.
CORRECTLY.
Use cleaning compound in
well-ventilated area away
from open flame. Cleaning
compound is harmful to
skin and clothing and may
give off harmful vapor.
Exercise care whenever
cleaning compound is used.
1. Clean mounting surface with
cleaning compound (item 12,
0025 00-1
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