MIL-PRF-46750E(AT)
TABLE VI. Brake and steer clutch functional check.
Item range
Steer function
First
Drop steer clutch, apply brake
Second
Drop output clutch, apply brake
Third
Drop output clutch, apply steer clutch
Fourth
Drop output clutch, apply steer clutch
4.3.3.20 Valve movement. Remove cover assembly and check for functional
requirements.
4.3.3.21 Leakage. Transmission shall be shifted through all ranges and steer operations
made in the first and fourth ranges at an input speed of 1480-1520 rpm. A minimum temperature
of 66 °C (150 °F) shall be maintained at the oil cooler "in" location. During and after operation,
the transmission shall be checked for the leakage of lubricants.
4.3.3.22 Main assembly. Operate with a slave input transfer gear assembly and check for
performance requirements.
4.3.3.23 Input transfer gear assembly. Operate with a qualified slave main assembly and
check for performance requirements.
4.3.4 Interface verifications. Interface requirements shall be verified using one or more of
the methods outlined in 4.2.
4.3.5 Ownership and support verifications. Ownership and support verifications, except
as specified below, shall be verified using one or more of the methods outlined in 4.2.
4.3.5.1 Durability. Vehicle shall be operated as specified and checked for performance
requirements.
4.3.5.2 Exterior surface treatment. Visually inspect transmission and components for
improper application of paint or other finish coat or wrong color.
4.3.5.3 Identification and marking. Inspect transmission and components for improper or
illegible marking.
4.3.5.4 Safety. Transmission shall be tested using one or more of the methods outlined in
4.2, or an applicable alternative (see 4.2.1), to insure that transmission does not produce safety
hazards resulting from the use of asbestos, cadmium, or other radioactive material.
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