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TM 10-4320-311-14
b. Operation In Extreme Heat.
WARNING
Death or serious Injury could occur If fuel is not handled properly. Use In a well-ventilated area
away from open flame, arcing equipment, Ignition sources, heaters, or excessive heat. Always
store fuel In properly marked containers. DO NOT SMOKE.
(1)
Protect pump assembly from direct heat or the sun.
(2)
Use proper viscosity oil for extreme heat. Refer to Appendix H for the correct type of oil
(3)
Make sure oil level is maintained within the operating range, as indicated on the oil dipstick.
CAUTION
Change engine oil after Initial 20 hours of operation or at end of first month. Thereafter, change
engine oil every 3 months or after 100 hours operation.
(4)
If overheating occurs in extreme conditions, shut down engine immediately. If possible, protect pump
assembly from direct heat or the sun.
(5)
Check the air cleaner restriction indicator frequently. If the red band appears in window of restriction
indicator, replace air cleaner element.
c. Operation in High Altitudes.
(1)
Peak efficiency of the engine is reduced at higher altitudes. Be sure engine is operating at peak efficiency.
(2)
Observe normal operation.
d. Operation in Sandy or Dusty Areas.
(1)
Monitor the air cleaner intake restriction more closely. If the red band appears in window of restriction
indicator, replace air cleaner element.
(2)
Make sure oil level is maintained within the operating range, as indicated on the oil dipstick.
CAUTION
Change engine oil after Initial 20 hours of operation or at end of first month. Thereafter, change
engine oil every 3 months or after 100 hours of operation.
(3)
During the handling of fuel, PMCS, and refueling, be sure that sand or dust is not allowed to enter fuel or
lubrication system.
(4)
If pumping unit is not in use and suction and/or discharge hoses are not installed, be sure that suction and
discharge dust caps are securely in place.
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