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Page Title:
Cupola test (M113A2, M125A2 and M106A2) |
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|  MIL-C-62310A(AT)
4.7.30 Grade and slope operation. To determine conformance to 3.6.12, the vehicle shall be
operated on specified grade and slope.
4.7.31 Suspension test. To determine conformance to 3.6.13, vehicle, operating at a speed of
18 to 22 mph, shall cross specified obstacles without bottoming out.
4.7.32 Cupola test (M113A2, M125A2 and M106A2). To determine conformance to 3.6.14,
cupola shall be operated and observed to verify that it rotates without binding, and that applied
torque does not exceed specified limit.
4.7.33 81mm mortar test (M125A2). To determine conformance to 3.4.3.2, 3.4.8, 3.6.15,
and 3.6.17, the 81mm mortar shall be installed in vehicle and operated through all ranges of
elevation and traverse. During weapon firing and vehicle operation over specified terrain, the
ammunition rack and travel lock performance shall be evaluated. Operation of sight shall be
confirmed at representative azimuths and elevations to insure that sight is not obscured by
vehicle components.
4.7.34 107mm mortar test (M106A2). To determine conformance to 3.4.3.2, 3.4.8, 3.6.16
and 3.6.17, the 107mm mortar shall be installed in the vehicle and fired. During weapon firing
and vehicle operation over specified terrain, the ammunition rack and travel lock performance
shall be evaluated. Operation of sight shall be confirmed at represented azimuths and elevations
to insure that sight is not obscured by vehicle components.
4.7.35 Noise level test. To determine conformance to 3.8, the vehicle noise level measured
at the location indicated shall not be more than the specified db, when measured with a sound
level meter which meets the requirements of MIL-STD-1474. Driver and passenger
compartments shall be examined for signs indicating noise hazard, as specified in 3.8.1.
4.7.36 Fire extinguisher test. To determine conformance to 3.9, the fire extinguisher system
shall be examined and functionally tested (see 6.4).
4.7.37 Workmanship. Vehicle shall be examined to determine conformance to 3.10.
4.7.38 Preservation, packaging, and vehicle processing inspection. Material and equipment
shall be inspected, prior to shipment, to determine conformance to Section 5 of this specification.
Sampling shall be as specified in applicable packaging specification referenced therein.
5. PACKAGING
5.1 Preparation for delivery. Preparation for delivery and storage shall be in accordance
with MIL-C-45360 for models M113A2, M106A2, and M125A2, MIL-C-46746 for model
M577A2, MIL-C-62074 for model M741A1, and MIL-C-62291 for model M901.
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