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Talking about how to lift the fire pump by hand and pay attention to matters
The hand-lifting fire pump is mainly applicable to the fire extinguishing of *fire*, various professional fire brigades, industrial and mining enterprises, county towns, villages and towns, etc., and is superior in areas where fire-fighting vehicles cannot pass through. Hand-lifting the fire pump can also drain, drought-resist, and green Ideal equipment for watering, water supply and emergency disaster relief.
Operation method:
Prepare the engine
Check all engine preparation before starting engine engine manual.
Water diverter
Check the oil volume of the lubricating oil cup of the water diverter, not enough oil.
Pumps and accessories
Install the hose, water gun, and properly install the suction hose and the end of the water filter. The bent portion of the suction pipe must not be higher than the inlet of the pump, and the rubber pad of the suction pipe must be tightened to prevent air leakage. Suction pipe filter should be less than 0.5 meters from the water surface, and must not be close to the bottom of the pool (or river) to prevent the suction of dirt. Check whether the pump drain valve and outlet valve are closed.
Engine start
According to the requirements of the engine's user manual, the engine is started and the engine should be at idle after starting.
Water pump diverter diversion
After the engine starts to idle, increase the engine speed to 3600/min or so, push the throttle switch to the high speed position, turn on the front diverter switch, press the diverter joystick, make the diverter rotate at high speed to the water outlet of the diverter, and gradually open the pump. Outlet valve, pump water. Close the water diverter switch, release the pilot water lever, the water diverter stops rotating, and the water diversion is finished.
Pump work
After the water pump diverts water, the water pump starts to work and water supply. Under normal circumstances, the pump water outlet pressure should be controlled at 0.6 MPa, and the engine speed is about 3300 rpm, which can be operated for a long time. If the water pump needs to stop the water supply, the engine speed can be reduced, idle, and then the water outlet valve is closed. When the water supply is required, the outlet valve is opened again, and the engine speed is increased.
Water pump stops supplying water
Stop the operation according to the requirements of the engine user manual, close the fuel switch under the fuel tank, open the water pump drain valve, and drain the water in the pump, and then close the drain valve and the water pump outlet valve. (Especially in cold weather or areas) When the hydrant absorbs water, close the water diversion switch, the water diverter does not draw water, start the engine, and can directly absorb water.
maintenance:
1 The engine is well maintained according to the engine user manual to ensure the engine's excellent performance and long-term use.
2 In order to enable the fire pump unit to work properly during an emergency, it must be run once a week. The time is generally about 15 minutes. After the work is completed, the accessories (suction hose, hose, and water gun) should be properly maintained.
3 After the fire pump unit comes into contact with corrosive liquids such as sea water, fresh water should be washed immediately to prevent corrosion of other parts of the pump.
4 During the freezing period in winter or cold areas, after the fire pump is used, the remaining water in the pump should be drained to prevent the parts in the pump from being damaged due to freezing.