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TM 5-4210-230-14&P-1
2.
After draining, flush the tank with clean water.
3.
Close the drain valve and fill the tank with clean water.
4.
Open all the discharge lines.
5.
Open the pump master drain (8 Fig. 3).
6.
Run the pump until water is clear and free of foam.
7.
Close all valves.
8.
Refill water tank.
4.
OPERATION IN COLD WEATHER
A.
General. The fire truck is not designed to operate in extreme cold. When operating the fire truck in
temperatures below 32 care must be taken in draining the fire pump and piping. Do not allow water to spray over
the body of the truck or the compartment. Doors will freeze shut.
B.
Chassis cold weather operation. Refer to International operator's manual for cold weather operation.
5.
OPERATION IN EXTREME HEAT
A.
General. When operating in extreme heat, particular attention must be paid to the lubrication and cooling
systems. Protect the fire truck from the direct rays of the sun as much as possible. The water pump must be
properly lubricated.
B.
Chassis lubrication. Refer to International operator manual for proper lubrication.
C.
Pump with engine hood closed for best cooling.
6.
OPERATION IN SANDY OR DUSTY AREAS
Lubrication. Keep all lubrication points clean and well lubricated. Lubricate sparingly but more frequently than under
normal conditions. Wipe fittings thoroughly before applying grease. Clean all oily or greasy surfaces, paying
particular attention to the pump gear case breather. Service the chassis air cleaner, breather and oil filter more
frequently than under normal conditions. Service the radiator, fuel tank and fuel filter.
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