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4. Operation
4.1.
Starting the machine
Set the switch to the ON/AUTO position and plug the machine into a power source. The compressor
will start. If the machine does not start, reduce the air tank pressure to 0.4 MPa, after which it will
begin running.
4.2.
Stopping the machine
Set the switch to the OFF position and unplug the machine from the power source. The compressor
will stop running.
4.3.
Safety valve operation
The switch is equipped with a safety valve. If the air tank pressure exceeds 0.88 MPa, the relief valve
will activate, causing the machine to automatically release pressure. If the safety valve activates,
inspect the air pressure switch to ensure that its working pressure does not exceed the maximum
allowed level.
4.4.
Draining the oil-water separator
After shutting down the machine, gently press the thimble located beneath the oil-water separator
to completely discharge any sewage. (If your machine does not include an oil-water separator, this
step is not applicable, and neither is step 5.)
4.5.
Adjusting air pressure
The air pressure from the release valve can be adjusted using the regulating valve on the oil-water
separator. Rotate the valve clockwise to increase pressure, up to the maximum pressure inside the
tank. Rotating it counterclockwise will decrease the pressure until the air delivery is fully closed.
Note: Do not over-rotate the valve beyond its limit, as this could damage it.
4.6.
Adjusting the pressure switch
To adjust the working pressure of the pressure switch, first ensure the machine is powered off and
unplugged. Then, open the switch cover and rotate the screw inside—turn it clockwise to increase
pressure or counterclockwise to decrease it.
5. Maintenance
Before performing any maintenance, always disconnect the power and release all the air pressure
from the tank. Failure to do so could result in serious danger.
5.1.
Keep the machine clean
Regularly clean the machine to ensure optimal performance.
5.2.
Drain the tank
Drain the dirty water from the tank at least once per week. Ensure that the internal pressure is below
0.1 MPa before draining.
5.3.
Inspect the safety valve
Frequently check the safety valve. When air is released, the valve rod should immediately return to
its position when pressed.
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