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|  MIL-T-46780D(AT)
4.3.2.8.5 Cramping angle test. To determine conformance to 3.4.9 during tests the
vehicle shall be cramped as specified and checked for requirements specified, in addition all
steering controls, and steering of vehicle at all speeds shall be observed for ease of operation, and
vehicle control.
4.3.2.8.6 Exhaust system check. To determine conformance to 3.4.3.2 the exhaust
system shall be tested for conformance to U.S. Army Test and Evaluation Command, Common
Engineering Test Procedure 2-2-614, Toxic Hazards Test for Vehicles. Tests shall be conducted
with the hard top/soft top in place and windows rolled up. Test will be conducted when the
Arctic Kit is installed.
4.3.2.9 Fuel dispensing filter separator system test (M49A2C). To determine
conformance to 3.4.10 and 3.4.10.1, using number 1 diesel oil or solvent conforming to P-D-680
the fuel dispensing filter separator system shall be operated. The system shall meet the gallons
of discharge per minute, fuel cleanliness requirements, and the dump valve shall be tested for
proper operation. The dispensing system shall operate without malfunction or leaks. After
completion of the test new filtering elements and fuses shall be installed. This test shall be
accomplished at place of manufacture and Government Proving Grounds (see table XI).
4.3.2.10 Water tank rotary pump operational test. To determine conformance to 3.4.11,
the water rotary pump shall be operated as specified and checked for self priming ability and
gallons per minute of discharge.
4.3.2.11 Dump truck operational test. To determine conformance to 3.4.12, with
specified load in dump body the controlling and operating mechanisms shall be operated and
checked for performance requirements.
4.3.2.12 Drop side cargo body interchangeability. To determine conformance to 3.4.13,
the drop sides shall be changed from one side to the other and checked for interchangeability
requirements.
4.3.2.13 Winch operational tests. To determine conformance to 3.4.14, the vehicles with
winches installed shall have the winch functionally tested for conformance to requirements to
specification for specified winch.
4.3.2.14 Body winch operational test (M764). To determine conformance to 3.3.11.1,
demonstrate body winches and mountings ability to withstand 15,000 pounds rated line pull at
first layer on bare drum. Pull shall be checked by raising a 15, 000 lb weight 3 to 5 ft high. It
will also be demonstrated that the winch shaft shear pin, T.S., having been broken (between
15,000 and 16,000 pounds) by an overload, will provide for a free wheeling drive sprocket and
may be replaced according to instructions found on the vehicle. Winch must demonstrate
capability of allowing a man to take off cable by hand. Cable must rewind evenly on drum under
tension with power applied.
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