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Page Title:
Manual controls, elevation/traverse switch OFF |
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|  MIL-T-45379D(AT)
2. Depress the gun to -10 and slowly power traverse the turret from the front of the
vehicle to the rear. Verify that the gun remains at -10 within the zone of 90
each side of the front centerline of the vehicle.
3. Return the turret to approximately 65 from the vehicle front centerline. Fully
depress the gun. Holding the control handle in elevation/depression neutral,
traverse the turret at maximum speed to the rear and observe the gun clearance of
all portions of the vehicle. The gun shall begin to rise at a point beyond 90 from
the vehicle front centerline to clear the rear deck. The gun shall automatically
stop elevating at a maximum of 2.5 elevation. Continue traverse over the rear
deck to 90 from the vehicle front centerline. Repeat this test in the stabilized
mode. Automatic elevation shall be not less than 6.
4. With the gun at 0 elevation, power traverse the turret from 90 from the vehicle
front centerline across the rear deck to the opposite 90 point. The traverse shall
be accomplished without vehicle interference.
5. Repeat 2, 3, and 4 with power traversing from the opposite direction.
6. Repeat 2, 3, 4, and 5 except traverse manually and depress the gun with the
manual hand pump.
b. Manual controls, elevation/traverse switch OFF:
1. Depress the gun to -4 and traverse the turret from an angle forward of the 90
vehicle transverse centerline, to an angle 25 from the vehicle rear centerline.
Approach the 25 limiting angle slowly. Repeat this test from the opposite
traverse direction.
4.6.4.9.3.8 Override control. To determine conformance to 3.5.9.3.8, the commander's
controls shall be operated in both stabilized and non-stabilized modes and the control and
movement of the gun shall be observed for performance as defined. With the commander and
gunner controls in the neutral position, testing for gun movement while depressing or releasing
the override switch in the commander's control shall be accomplished by observing no apparent
movement of the gunner's telescope reticle superimposed on a clearly defined target.
4.6.4.9.3.9 Hydraulic pressure limit switch. To determine conformance to 3.5.9.3.9, the
turret shall be traversed as specified and the system pressure gage observed for specified pressure
as the powerpack motor comes on. With powerpack motor running and the controls in their
neutral position, the powerpack motor shall cut out at the specified system pressure.
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