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 34 of 590
TM 9-1240-401-34&P
1-9. EQUIPMENT DATA - continued
M15 FIRE CONTROL QUADRANT
PHYSICAL CHARACTERISTICS
Length.
. ...........................................................................................................................................
12 in. (30.48 cm)
Width .
...................................................................................................................................................
9 in. (22.86 cm)
Height.
.................................................................................................................................................
9 in. (22.86 cm)
Weight.
. .........................................................................................................................................
23-1/4 lb (10.55 kg)
RANGE IN THE VERTICAL PLANE
Elevation (minimum) .
....................................................................................................................................
1383 mils
Depression (minimum).
..................................................................................................................................
228 mils
RANGE OF ELEVATION CORRECTION
Add (minimum).
.................................................................................................................................................
50 mils
Deduct (minimum).
.......................................................................................................................................
50 mils
RANGE OF CROSS-LEVELING CORRECTION FOR CANT OF GUN CARRIAGE
Right (minimum).
.........................................................................................................................................
34 degrees
Left (minimum).
........................................................................................................................................
34 degrees
ELECTRICAL POWER REQUIREMENTS
Type of current .
...................................................................................................................................................
Direct
Power source potential .
...................................................................................................................................
24 volts
M42 PERISCOPE
Length.
. ...............................................................................................................................................
5.5 in. (139 mm)
Width.
. ................................................................................................................................................
5 in. 127.0 mm)
Height.
.......................................................................................................................................
10.25 in. (260.4 mm)
Weight .
.....................................................................................................................................................
8 lb (3.63 kg)
Section III. Principles of Operation
Refer to paragraph 1-5, Equipment Characteristics, Capabilities, and Features.
1-24
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