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 TM 9-1240-375-34&P
0058 00
SERVICE UPON RECEIPT - Continued
Checking Unpacked Equipment - Continued
3.
Check to see whether the equipment has been modified.
4.
Check M171 mount (1) for bare spots, dents, scuff marks, and damaged parts. Inspect M171 mount for
cleanness.
5.
Operate cross level knob (2). Check that operation is smooth without binding or rough motion.
6.
Operate elevation knob (3). Check that operation is smooth without binding or rough motion.
WARNING
TRITIUM
GAS (H3)
When inspecting radioactively illuminated fire control equipment, follow radiation
hazard procedures in warning summary (M171 only).
7.
Check cross level vial (4). Bubble must move freely. Glass must not be broken or cracked. Light must
be present and even throughout the cross level vial.
8.
Check elevation level vial (5). Bubble must move freely. Glass must not be broken or cracked. Light
must be present and even throughout the elevation level vial.
1
2
3
4
5
1 fc 2 7 1
END OF WORK PACKAGE
0058 00-2
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