TM 5-4320-306-102-12. OPERATION IN SANDY OR DUSTY AREAS (Continued)CAUTIONClosely monitor air cleaner intake restriction indicator in sandy or dusty locations. At first sign ofrestriction, change filter elements.b. Frequently check the air cleaner restriction indicator. If red band appears in window of air cleaner restrictionindicator and no damage to system components is found, service the air cleaner and replace primary and secondaryelements as described in paragraph 3-8.c. Frequently check oil to be sure it is not contaminated. Contact organizational maintenance if oil iscontaminated.d. Cylinder cooling fins should be free of dirt.e. Bottom roller should be free of dirt.f. Lube oil cooler cooling fins should be free of dirt.WARNINGDeath or serious injury could occur if diesel fuel oil is not handled carefully. Use in a well-ventilated area away from open flame, arcing equipment, ignition sources, heaters, or excessiveheat. Be certain that fuel lines and connections are secure. Do not inhale vapor. Do not overfillfuel tank. Engines must be turned off and cooled before refueling. Use proper refuelingprocedures and equipment to avoid spillage. Do not run engines near open fuel containers. DONOT SMOKE.g. During fueling and PMCS, do not allow sand or dust to enter fuel or lubrication system.h. Check that fuel tank filler cap is tight and gasket is not torn. Keep cap tight to prevent foreign matter fromentering the engine fuel tank.i. Keep stores of fuel and oil tightly sealed to prevent contamination.j. Close control panel cover whenever possible to limit damage to gage faces from blowing sand or grit.k. When centrifugal pump unit is not in use and suction or discharge hoses are not installed, cover the suctionflange (intake) and check valve assembly body port (discharge).2-67
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