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Page Title:
Tes Method No. 23 - Low - Temperature Test (-25 degree F) - Continued |
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| MIL-C-53057(ME)
APPENDIX
TEST METHOD NO. 23 (Cont'd)
h. Start the crane. Starting should be accomplished within 5
minutes of the initial attempt. Smooth engine running without
unnatural or continued control manipulation, and without use of
primers and priming fluids, should be obtained within 15 minutes
after starting.
i. When started, run engine 15 minutes. After completion of the
15-minute operation, operate the engine as follows:
(1) 10 minutes idling.
(2) 10 minutes half throttle.
(3) 5 minutes full throttle.
Perform the 25-minute cycle three times.
j. Maintain and record temperatures prior to engine starting,
immediately after engine starting, and at 10 minute intervals
during warm-up and cycling, at the following (but not limited
to) locations on the crane:
(l)
Battery.
(2)
Hydraulic tank.
(3)
Engine oil.
(4)
Engine coolant.
(5)
Chamber air.
k. During engine cycling, and while wearing arctic mittens and
boots, the operator shall perform each of the following:
(l) Engage and disengage power train to the wheels in all gears.
(2) Operate through two complete movement cycles all brakes,
shafts and cylinders (as permitted by space limitations in
chamber).
(3) Mount to and dismount from the operator's position on the
crane.
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