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How to operate Isuzu foam water fire rescue trucks

How to operate Isuzu foam water fire rescue trucks

March 26, 2025
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Isuzu GIGA 4X2 foam fire truck is a fire truck that integrates water tank, foam tank, high-efficiency fire pump and advanced foam fire extinguishing system. It is equipped with powerful fire cannon, flexible and mobile, can quickly reach the fire scene and start fire fighting, and is an ideal equipment for extinguishing special fires such as oil and chemical products.

 

Working principle:

The working principle of Isuzu foam water tank fire truck is mainly based on the coordinated work of fire pump and foam fire extinguishing system.

 

Fire pump: The fire pump transfers energy to water through the rotation of the impeller, thereby increasing the kinetic energy and pressure energy of the water. As a kind of high and low pressure series centrifugal pump, CB10/60 fire pump can output low-pressure or high-pressure water as needed, providing a stable water source for fire cannon and water gun.

 

Foam fire extinguishing system: The foam fire extinguishing system is driven by a hydraulic pump, sucking the foam stock in the foam tank, and mixing it with high-pressure water in a certain proportion to form a stable proportion of foam liquid. The foam liquid is sprayed onto the fire source through a fire monitor(PL8/48 fire monitor) or water gun, quickly covering the surface of the burning object, isolating air and heat transfer, thereby achieving the purpose of fire extinguishing.Isuzu GIGA WATER FOAM FIRE TRUCK

How to use the suction pipe of the foam fire truck to absorb water correctly?

1. First park the fire truck next to the water intake point, as close to the water source as possible to shorten the use length of the suction pipe.

 

2. Connect the suction pipe head to tail according to the distance of water intake, and connect one end to the fire pump, and connect the other end to the water filter and put it into the water.

 

3. Start the engine of the fire truck. Step on the clutch pedal, hang up the power take-off (water pump switch).Slowly release the clutch pedal, and then start the vacuum pump to absorb water.

 

Precautions for using the suction pipe

1. Do not forcefully drag the suction pipe on the ground to avoid wearing the aluminum interface;

 

2. The interface must be tightly connected when using it. In order to prevent air leakage and water from being sucked up, when absorbing water from an open-air water source, a water filter should be installed at the end of the suction pipe, and the depth of the water filter from the water surface should be at least 20cm~30cm to prevent vortices from appearing on the water surface and sucking in air. At the same time, the water filter should be prevented from contacting the mud surface of the water source. To prevent the water pump from being damaged by the suction of a large amount of mud and sand, a water filter basket should be placed on the water filter when there are a lot of mud and sand debris in the water source.

 

3. The suction pipe should be laid as short and straight as possible. When using a coiled suction pipe, the fire truck should be placed in a position where all the coiled suction pipes can be placed to avoid the suction pipe bend from exceeding the water inlet of the pump and generating an "air bag" that affects water absorption.

 

4. When the suction pipe crosses the road, vehicles are strictly prohibited from passing over it, otherwise the suction pipe will be crushed and unable to absorb water.

 Isuzu GIGA WATER FOAM FIRE TRUCK

 

Isuzu foam fire truck water discharge operation:

1. Open the rear water inlet valve and water outlet valve, connect the water hose and water gun, or prepare the fire cannon.

 

2. After pressing the clutch pedal, hang up the power take-off;

 

3. Slowly release the clutch pedal and then slowly accelerate. Open the water outlet switch, hang up the power take-off, open the rear water inlet switch, and adjust the water pressure as needed.

 

Foam fire truck foam discharge operation process

1. Prepare foam liquid:

Make sure there is enough foam liquid in the foam tank. If it is insufficient, you can add it directly through the manhole or use the compressed air of the original car to press the foam liquid into the foam tank.

 

2. Connect foam equipment:

Connect water hoses, air foam guns or foam cannons and other equipment. Adjust the air foam proportion mixer as needed.

 

3. Start foam fire extinguishing:

Start the water pump to supply water according to the steps of water discharge operation.

 

Open the pressure water cock leading to the air foam proportion mixer.

 

Adjust the water discharge pressure of the water pump to meet the requirements of the foam equipment.

 

Open the foam liquid inlet valve, and the air foam proportion mixer begins to inhale the foam liquid and produce foam.

 

control panel

 

Precautions

1. Operation safety:

During the operation, pay attention to observe the foam and water level gauges to ensure that the liquid volume is sufficient.

 

Pressing and depressurizing should be slow to avoid sudden pressurization or depressurization to cause injury.

 

No one can stand at the water outlet and the water hose joint to prevent injury caused by high-pressure water flow.

 

2. Equipment maintenance:

Inspect and maintain the fire truck regularly to ensure the equipment is in good condition

 

After extinguishing the fire, clean the pump, air foam proportioning mixer, air foam gun, pipeline and other equipment in time.

 

fire pump

 

Here take the Isuzu GIGA foam-water fire truck as an example, this article provides a detailed introduction on how to operate the truck for water discharge and foam discharge. You can download the full version at the beginning of this article.

Isuzu foam water truck operation stepsIsuzu foam water truck operation stepsIsuzu foam water truck operation stepsIsuzu foam water truck operation stepsIsuzu foam water truck operation steps

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