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| MIL-T-52843C
APPENDIX
TEST METHOD NO. 30
HIGH SPEED
1.
TEST COURSE:
The test course shall be a compacted surface of sufficient size
to allow continuous travel at wide open throttle in highest gear
range.
2.
TEST APPARATUS:
a. Speed indicator.
b. Equivalent temperature measuring device.
3.
TEST PROCEDURE:
a. Block thermostat in the open position.
b. Install thermocouples in the hydraulic system reservoir at the
pump inlet, in the transmission sump, in the transfer case sump,
in the engine coolant outlet, in the torque converter outlet
line adjacent to the torque converter and engine oil gallery.
c. Record all temperature, including ambient before starting test.
d. Drive the unloaded forklift over the test course for 2 hours at
wide open throttle in highest forward gear range. Stop the
forklift and record all temperatures immediately, including
ambient and universal joint temperatures. Check for universal
joint temperature using temperature marker.
e. In not less than 5 minutes after stopping, drive the unloaded
forklift for an additional 2 hours as in "d", and record all
temperatures immediately upon stopping, including ambient and
universal joint temperatures.
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