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TM 10-4320-256-14&P
Section IV. OPERATION UNDER UNUSUAL CONDITIONS
Paragraph
Page
2-14
Operation in Exreme Cold(Below OOF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2-15
Operation in Extreme Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2.l5
2-16
Operation in Dusty or Sandy Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-15
2-17
Operation in Rainy or Humid Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-16
2-18
Operation in Salt Water Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-16
2-19
Operation at High Altitudes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-16
2-14. Operation in extremly Cold (Below O°F).
a. General. At extreme low temperatures, the lubricants used for normal temperatures stiffen and lose much
of their Iubricating effect, while metals become more brittle and lose some of their ability to withstand shock.
b.
c.
tank.
2-15.
a.
b.
c.
d.
e.
Lubrication Refer to TM 9-2805-257-14 for information on lubrication of the gasoline engine.
Fuel Tank. Keep the fuel tank as full as possible at ail times to prevent condensation of moisture in the
Be sure to use the proper grade of fuel.
Operation in Extreme Heat.
General. Operating in extreme heat requires more frequent lubrication of the engine.
Lubrication. Refer to TM 9-2805-257-14 for information on lubricating the gasoline engine.
Fuel Tank Do not fill the fuel tank completely; allow room for expansion of fuel.
Make sure the engine is sufficiently vented.
Due to evaporation of fluid in extreme heat, check the pump casing for adequate priming fluid level.
Reprime if necessary (para 2-9e.).
2-16. Operation in Sandy or Dusty Areas.
a. Operating in dusty or sandy areas requires more frequent and thorough service to the pump
components to prevent damage caused by the dust and dirt.
CAUTION
Keep lubrication containers tightly sealed. Thoroughly clean the area around the engine
oil filler cap before checking or adding oil.
Refer to TM 9-2805-257-14 and lubricate the gasoline engine more frequently. Clean ail
lubrication points before and after lubrication.
c. Fuel Tank. Prevent the entry of dust and dirt into the fuel system. Refer to TM 9-2805-257-14 and clean
the engine fuel filter and sediment bowl frequently. Check the air cleaner indicator at frequent intervals.
2-15
b. Lubrication.
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