SECTION IV. OPERATION UNDER UNUSUAL CONDITIONS

TM-10-4930-236-13P Tank and Pump Unit Liquid Dispensing; for Truck Mounting Mil Design Tank and Pump Unit Electric Motor Driven Model (97403) Manual
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TM 10-4930-236-13&P SECTION IV. OPERATION UNDER UNUSUAL CONDITIONS Paragraph Page 2-7 Operation in Extreme Cold....................................................................... 2-25 2-8 Operation in Extreme Heat ...................................................................... 2-25 2-9 Operation in Dusty or Sandy Areas .......................................................... 2-25 2-10 Operation in Rainy or Humid Conditions .................................................. 2-25 2-11 Operation in Salt Water Areas ................................................................. 2-26 2-12 Operation at High Altitudes ...................................................................... 2-26 2-13 Emergency Operation .............................................................................. 2-26 2-7. Operation In Extreme Cold. The procedures for operating the tank and pump unit are the same as under usual conditions except for the following special precautions. a. Check sight glass and drain water more frequently than usual and at each shut down to avoid freezing. b. Provide shelter to prevent snow or ice from entering unit when opened for servicing. c. If possible provide a heated shelter. d. Check differential pressure gage regularly to be sure that pressure limits are not being exceeded. 2-8. Operation In Extreme Heat. The procedures for operating the tank and pump unit are the same as under usual conditions except for the following special precautions. a. Erect a screen or shelter to provide shade. b. Check differential pressure gage regularly to be sure that the pressure limits are not being exceeded. c. Vent filter/separator when not in operation, and collect the discharge of the liquid. 2-9. Operation In Dusty or Sandy Areas. The procedures operating the tank and pump unit are the same as under usual conditions except for the following special precautions: a. Under dusty or sandy conditions, filter elements must be replaced more frequently. b. Select a work site protected by natural barriers or erect screens of dustproof material. c. Keep the unit free of dust and dirt, especially when the unit is open for servicing or repair. d. Check the differential pressure gage regularly to make sure that pressure limits are not being exceeded. e. Ensure inlet plug and outlet cap are installed when hoses are removed. 2-10. Operation in Rainy or Humid Conditions. The procedures for operating the tank and pump unit are the same as under usual conditions except for the following special precautions. a. Water must be drained through the water drain valve more often than under normal conditions. b. Erect a shelter to prevent the entrance of rain into the interior of the unit when it is opened for servicing. c. Check differential pressure gage regularly to be sure that pressure limits are not exceeded. 2-25

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