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 TM 9-1290-232-34&P
2-2.
PERFORMANCE TEST (CONT)
...
Place angle plate (1) on surface
1.
plate (2).
JPG
41C
...
2.
Using bench level, level surface
plate (2) (JPG).
...
Place key in keyway at rear of
3.
mounting surface (3) of elevation
fire control quadrant (4).
4.
Using two C-clamps, clamp
elevation fire control quadrant (4)
with key on upper surface of angle
plate (1).
Vol II, para
5.
Turn elevation knob (5) until level
If scales (7) and (8) do
n o t indicate" O" adjust
vial bubble (6) is centered.
5-2, frame 1,
s c a l e s to zero
steps 5 thru
7 and frame
2, steps 1
thru 3
JPG
41C
...
6.
Place gunner's quadrant on angle
plate (1) and set to 178 roils
(JPG).
7.
...
Raise end of angle plate (1)
opposite elevation fire control
quadrant (4) clear of surface plate
(2) and place support (9) under
angle plate (1).
TM 9-2350-
8.
Adjust support (9) so that gunner's
...
215-10
quadrant bubble is centered.
Vol II,
Remove angle plate
9.
Check level vial bubble (6). It
support (9) and do final
must be within 1/2 graduation of
adjustment. If elevation
center of level vial (10).
fire control quadrant
cannot be adjusted, send
to depot.
GO
TO
FRAME
2
I-2-2
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