TM-9-2350-311-20-2
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS
DECEMBER 1993
TM-9-2350-311-20-2 - Page 53 of 828
TM 9--2350--311--20--2
1--22
Change 4
1--16 EQUIPMENT DATA — CONTINUED
M118A2/M118A3 Elbow Telescope — Continued:
Movement:
Axial cant correction
89 mils
...................................................................
Mirror level
1777 mils
.........................................................................
Eyepiece arm (operative range)
355 mils
........................................................
M1A1/M1A2 Collimator:
Field of view (total)
200 mils
.......................................................................
Clear aperture
3in.(7.6cm)
......................................................................
Weight (with cover)
24--1/4 lb (11 kg)
...............................................................
M140/M140A1 Alinement Device:
Height
11 in. (27.9 cm)
...........................................................................
Weight
1.5 lb (0.68 kg)
............................................................................
Movement
0
.....................................................................................
M146 Telescope Mount:
Length
19--7/8 in. (50.5 cm)
.......................................................................
Width
6 in. (15.2 cm)
.............................................................................
Height
6--1/4 in. (15.9 cm)
........................................................................
Weight
33 lb (15 kg)
..............................................................................
Movement:
Azimuth
±
10 mils
.............................................................................
Elevation
±
10 mils
............................................................................
M15 Elevation Quadrant:
Weight
23--1/4 lb (10.5 kg)
........................................................................
Movement:
Elevation (minimum limits)
--228 to +1383 mils
...................................................
Correction (elevation)
±
55 mils
.................................................................
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