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6.3.2 Operation and Adjustment
1. During normal operation, the air compressor is controlled by the air pressure switch. When the rated
working pressure reaches 0.8Mpa, the air pressure switch will be automatically disconnected, and
when the pressure drops to about 0.6Mpa, the switch will be activated.
The rated working pressure has been set in the factory, generally users should not adjust the setting
value without authorization.
When the air compressor stops working, the compressed air in the exhaust pipe will be discharged
automatically through the relief valve under the air pressure switch to prepare for another (no-load)
start-up, otherwise it will cause starting difficulties or damage to the motor when it starts again.
If necessary, the working pressure can be adjusted by the adjusting screw on the air pressure switch
(see Fig. 3), but only allow to be adjusted lower (i.e. ≤ 0.8Mpa) and never adjusted higher, otherwise
the safety valve will be automatically opened to exhaust, so that the air compressor cannot be used
normally.
2. The output pressure of the air compressor can be adjusted by the regulator. Turn it clockwise or anti-
clockwise to adjust the exhaust pressure.
When it is necessary to stop the compressor during operation, press the button on the air pressure
switch.
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