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Page Title:
Test Method No. 15 Torque Converter |
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| MIL-T-52843C
APPENDIX
TEST METHOD NO. 15
TORQUE CONVERTER
1.
TEST APPARATUS:
a.
Timing devices.
b.
Thermocouple and potentiometer or equivalent temperature
measuring device.
c.
Tachometer.
d.
Thermometer.
e.
Pressure measurement device.
2.
TEST PROCEDURE:
a.
Install exhaust system pressure measurement device no more
than 2 inches beyond the header outlet. Record exhaust
pressure during torque converter stall, procedure 2e.
b.
Install thermocouple to measure oil temperature at the
outlet from the converter.
c.
Thermostat shall not be blocked open.
d.
With the ambient temperature not less than 25 F, operate
the forklift until the torque converter oil outlet
temperature is a minimum of 157 F.
e.
Attach the forklift pintle hook to a fixed object to prevent
forward motion of the forklift by a horizontal force on the
pintle hook. Shift into the highest forward gear and stall
the torque converter for not less than 30 seconds while the
engine is operating at full throttle. The transmission
disconnect shall not be used during this test.
f.
Record initial torque converter oil temperature and maximum
oil temperature after 30 seconds stall, engine speed at
stall, and ambient temperature.
84
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