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Page Title:
SERVICE UPON RECEIPT OF MATERIAL |
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 TM 9-1240-375-34&P
0045 00
SERVICE UPON RECEIPT OF MATERIEL - Continued
5
8
5
6
6
3
1
1
3
10
10
2
2
9
7
9
7
4
4
1 fc 0 5 3
M17A1 Quadrant
M18A1 Quadrant
7.
Operate elevation knob (4). 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.
8.
Check radioactive (M17/M18) or LED (M17A1/M18A1) light sources.
a.
Check that light is present and even throughout the elevation level vial (5). Check that elevation
level vial graduations are present and legible.
b.
Check that light is present and even throughout the correction counter (6). Check that correction
counter numbers are clear and legible.
c.
Check that light is present and even throughout the elevation counter (7). Check that elevation
counter numbers are clear and legible.
d.
Check that light is present and even throughout the cross level vial (8). Check that cross level vial
graduations are present and legible (M18/M18A1 only).
NOTE
Switch has an approximate three-second delay. Press red push-button switch; then
wait approximately three seconds and check if LED light sources are ON/OFF.
Repeat until assured of correct operation.
9.
For M17A1/M18A1 only, check operation of red push-button ON/OFF switch (9) on battery enclosure
assembly (10).
END OF WORK PACKAGE
0045 00-2
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