Welding repairs and burning test

Page Title: Welding repairs and burning test
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MIL-V-62347(AT)

4.7.5 Welding repairs and burning test. To determine conformance to 3.4.8, all welding

repairs and burning operations shall be examined to determine that slag has been removed and

approved procedures have been followed.

4.7.6 Controls test. To determine conformance to 3.4.9, 3.6.12.9.2.2 and 3.6.12.9.2.3, all

electrical, mechanical and hydraulic controls shall be operated and functional performance

demonstrated. The hand controller shall be moved in azimuth/elevation to verify no indication

of binding through maximum deflections in azimuth/elevation and smoothness, and continuous

mechanical operation of the nightsight controls shall be demonstrated.

4.7.7 Hydraulic system test. To determine conformance to 3.4.10, and 3.6.12.7.3 the

hydraulic systems shall be operated, examined for leakage in excess of a "seep" condition

(see 6.6), the hydraulic reservoir examined for correct fluid level, and it shall be verified that the

accumulator precharge pressure is not less than 900 psi nor greater than 1100 psi. It shall be

verified that internal leakage and resultant system pressure loss does not exceed specified limits

by verifying that the time interval between hydraulic pump motor activation when the

M90l weapon station is powered up but not active, is not less than 7 minutes. System shall have

been temperature stabilized prior to examining for internal leakage.

4.7.8 Weight test. To determine conformance to 3.4.11, the combat loaded vehicle shall be

weighed.

4.7.9 Stowed equipment test. To determine conformance to 3.4.12, all manufacturer and

depot installed BII, including the hard equipment items listed in 3.4.12.1, shall be stored

(combat loaded) on the selected vehicle. All interior and exterior items shall fit in spaces

provided, and shall not interfere with operation of the vehicle and components in any way. The

equipment shall be removed after the test. The BII used shall be of the latest production

available. It shall be permissible to unpackage and repackage equipment used for test.

4.7.10 Environmental tests. To determine conformance to 3.6.1.1 and 3.6.1.2, the vehicles

shall be operated in specified environments and observed for performance requirements.

4.7.11 Bilge pump operational test. To determine conformance to 3.6.2, with sufficient

water in the vehicle hull, the bilge pumps shall be operated and observed for functional

requirements.

4.7.12 Speed test. To determine conformance to 3.6.3, the vehicle shall be driven at speeds

up to the specified maximum and observed for performance requirements.

4.7.13 Acceleration test. To determine conformance to 3.6.4, the vehicle shall be operated

as specified to determine acceleration time from 0 to 20 mph.

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