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| MIL-C-53057(ME)
APPENDIX
TEST METHOD NO. 25
CONTROLS
1. TEST APPARATUS:
a. Thermocouples and potentiometer or equivalent temperature
measuring device.
b. Force measurement equipment.
c. Linear measurement equipment.
2. TEST PROCEDURE:
a. Install the thermocouple at the hydraulic pump(s) inlet.
b. With an oil temperature of 160 F, to 180 F, and the engine
operating at no load governed speed, measure the force
required to shift each hydraulic control valve and
transmission control valve at the handgrip to each position
and the distance between each control.
c. Apply 50 pounds of force to each hydraulic control valve lever
in each shifting direction and maintain the force for not less
than 15 seconds.
d. Apply 100 pounds of force to each transmission control lever in
each direction and maintain the force for not less than 15
seconds.
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