2.8.3 Operation In Dusty Or Sandy Areas.

TM-10-4320-226-14 Water Pumping Assembly Diesel Engine Driven Wheel Mounted 350 Gallons Per Minute (GPM) 275 Foot Head Models: 350 PAW Manual
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TM10-4320-226-14 2.8.3 Operation In Dusty Or Sandy Areas. Perform the following procedures to operate the 350 GPM Pumping Assembly in dusty or sandy areas: a. Keep crankcase oil fill cap tight and dipstick seated to prevent contamination. b. Inspect cooling fins and cooling coil for excessive dirt buildup and carefully clean as necessary. c. Wipe spilled lubricants from assembly to avoid collecting dust and sand. d. Use care when servicing fuel tank to prevent sand and dirt from entering the fuel system. Ensure that fill cap is kept tight. e. Pay particular attention to the air cleaner service indicator. Replace elements as required. 2.8.4 Operation In Damp Or Muddy Areas. Except for modifying PMCS time intervals and ensuring that surface under unit is firm enough to support pumping assembly, no special instructions are required for operation of pumping assembly in damp or muddy areas. 2.8.5 Operation In Salt Water Areas. When it is necessary to operate the pumping assembly near salt water, the following precautions should be observed to provide maximum protection to the unit and to assure efficient operation. a. Keep all electrical components clean, dry and free of corrosion. b. Wash unit with fresh, clean water as needed and keep fuel filler cap tight. c. Check all gauges for loose or broken lenses which might permit entry of moisture. 2.8.6 Operation At High Altitudes. Never run the diesel engine at altitudes above 3280 ft (1000 m) under heavy-duty conditions, unless the engine has been de-rated. 2.9 FORDING. The pumping assembly is transportable through a body of water up to 30 inches (762 mm) deep, a. Before fording, perform the following: (1) Secure tool box cover latch, (2) Secure control panel cover. (3) Ensure that battery cover retaining bar is secure. NOTE Fuel tank incorporates a vent valve. Valve must be closed before fording to prevent water entry. During normal operation, vent valve must be open. (4) Remove fuel tank filler cap from tank and turn cap over, (5) Rotate vent valve selector to CLOSED position as shown in Figure 2-11, (6) Install cap and secure. 2 - 3 2 C h a n g e2

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