[Rescue tools] Pneumatic cutting knife

( Pneumatic cleaver parts name and operating line )

Article 87-2    The name and operation of each part of the pneumatic cutter are shown in Figure 22-2 and Figure 22-3 .

( Importance enforcement precautions )

Article 87-3    When implementing the pneumatic cutter operation, the following items must be observed in addition to the provisions of Article 4 .

First, when using and removing the blade, you must first remove the hose.

Second, the rated air pressure during operation is 0.8MPa , which can be adjusted to the pressure suitable for cutting operations according to the job content.

Third, select the blade suitable for cutting.

Fourth, special oil must be injected before the cutting operation.

5. During the cutting operation, fix the cutting object, align the blade with the cutting position, and start the cutting by pressing the valve switch.

6. It can be used in water, but it is not used in principle when carrying out training in water.

( Handling pneumatic cutter )

Article 87-4    When transporting the pneumatic cutter to the working position, use the following passwords and instructions.

First, the commander issued a "target''', handling" password.

Second, the commander heard One member of the "target''', handling," the password box to transport the equipment to the target location.

Third, the number two commander heard members of the "target''', handling" password, will carry gas cylinders to the target location.

order

1

2

commander

Issued a "target''', handling" password.

 

One member

After hearing the commander "target''', handling" password Lift equipment boxes.

Move the equipment box to the designated location.

Second member

After hearing the commander "target''', handling" password, lift cylinders.

Transport to the designated location.

Note

 

During the handling of the cylinders, care should be taken to prevent damage to the cylinder control valves due to inversion and dropping of the cylinders.

( Assembly and Inspection of Pneumatic Cutter Blades )

Article 87-5    When assembling and inspecting the blades of pneumatic cutters, follow the following passwords and instructions.

First, the commander issued a "''' cutting, preparation equipment" password, according to One member of the "ready" signal, a "check equipment" password.

Second, the members of One commander heard "''' cutting, preparation equipment" after the password is removed from the equipment pneumatic cutting knife inside the host, choose the object to be cut blades, the blades will be installed on the host, issued a "good The signal, from the second member took over the high pressure air pipe to connect to the host, issued a "ready to complete" signal, heard the commander "check the equipment" password, pick up the host to see the appearance, issued "examined" signal of.

III II membered hear Commander "''' cutting equipment ready" after password, remove the pressure regulator and the high pressure inside the airway from the equipment, the pressure regulator is connected to an air cylinder, a "good" The signal is to connect the high-pressure air pipe to the pressure regulator and send out the “connected” signal. Pass one end of the high-pressure air pipe to the first member. After hearing the command of the “inspection equipment” of the commander, open the cylinder control. Valve, check the pressure, send out the signal of “gas bottle pressure ́ ́ ́MPa ”, check the appearance, send out the signal of “checking completed”.

order

1

2

3

commander

Issued a "''' cutting, preparation equipment" password.

 

According to the "Ready to Complete" signal issued by the No.1 member, a "checking equipment" password is issued.

One member

Hear Commander "''' cutting equipment ready" password, is removed from the host equipment inside the pneumatic cutting blade, is adapted to be cut is selected blade, the blade is mounted to the main issue "good" signal.

A high pressure air pipe was connected to the host from the second member and a "ready to complete" signal was issued.

After hearing the commander's “check equipment” password, pick up the main unit to check the appearance and send a “checking completed” signal.

Second member

Hear Commander "''' cutting equipment ready" password, removed from the equipment and a high pressure tank pressure regulator airway, the pressure regulator is connected to an air cylinder, a "good" signal.

Connect the high-pressure air pipe to the pressure regulator and send out the signal of “connected completion”. Pass one end of the high-pressure air pipe to the first member.

After hearing the commander's “check equipment” password, open the gas cylinder control valve, check the pressure, send out the signal “cylinder pressure ́ ́ ́ MPa ”, visually check the appearance, and send out the “checking completed” signal.

Note

Use a wrench to connect the cylinder and pressure regulator.

Take care to keep the high-pressure air pipe connection clean.

Before connecting the main unit to the high-pressure air pipe, use air to blow off the water, dust, etc. inside the pipe.

 

order

1

2

commander

After specifying the cutting position, issue the "prepare for cutting" password.

 

One member

After hearing the commander's "preparation for cutting" password, remove the goggles from the equipment box.

Take the pneumatic cutter to the cutting position to prepare for cutting, and send out the “ready to complete” signal.

Second member

After hearing the commander's "prepare for cutting" password, operate the pressure adjustment switch.

Adjust the plenum pressure and send out the “Air pressure ́ ́ ́ MPa ” signal.

Note

 

The pressure of air supply shall be governed by the provisions of Article 87-3 (b).

( cutting )

Article 87-7    When using a pneumatic cutter to carry out cutting operations, follow the following passwords and instructions.

First, the commander issued the "start cutting" password, confirm the job status, issued a "stop" password.

Second, after the member I heard the commander's "start cutting" password, he activated the valve switch to start the cutting operation. After hearing the commander's "stopping" password, he unlocked the valve switch and stopped the cutting operation.

The third and the second officer listened to the commander's "start cutting" password, and observed the pressure condition while observing the cutting operation.

order

1

2

commander

Issue a "Start Cut" password.

The "stop" password is issued depending on the operating conditions.

One member

After hearing the commander's "start cutting" password, the valve switch was activated to start the cutting operation.

After hearing the commander's "stop" password, release the valve switch and stop the cutting operation.

Second member

After listening to the Commander's "Start Cutting" password, he observed the status of the cutting operation while viewing the pressure condition.

 

Note

Loss caused by idling and loss of performance should be avoided.

Avoid rapid operation and it should be gradually accelerated.

When an abnormality occurs in the cutting operation, the operation should be terminated immediately.

( finishing equipment )

Article 87-8    Follow the following passwords and instructions when cleaning up the pneumatic cutter.

First, the commander issued a "disassembling equipment" password, according to the "disassembled" signal of the first member, issued a "success" password.

The second and the first member discharges the residual pressure in the high-pressure air pipe according to the “Cylinder Closed” signal of the second member, sets down the pneumatic cutter, removes the goggles, removes the high-pressure air pipe and hands it to the second member, and then removes it. The blade issues a "decomposed" signal. After hearing the commander's password, the pneumatic cutter host, blades, and goggles are returned to the equipment box, and the equipment box is transported to its original position and returned to the operating line.

After the third and second members heard the commander's “disassembling equipment” password, the gas cylinder control valve was closed and the “cylinder shut-off” signal was issued. The high-pressure air pipe was received from the first member and the high-pressure air pipe was moved from the pressure regulator. After unloading and hearing the command of the commander to “shut up”, the pressure regulator is removed from the gas cylinder and returned to the equipment box together with the high-pressure air pipe, and the gas bottle is returned to the operating line in situ.

order

1

2

3

commander

Issue the "resolve equipment" password.

 

According to the "disassembled" signal of the first member, a "closed" password is issued.

One member

According to the "Cylinder Shutdown" signal from the second member, the residual pressure in the high-pressure air pipe is discharged, the pneumatic cutter is lowered, and the goggles are

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