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MAINTENANCE Cont’d
PRESSURE SWITCH SETTINGS:
The delivery pressure setting can drift over a
period of time and will require periodic
adjustment. Ensure that the pressure switch
settings are correctly adjusted and maintained at
the correct level. This will help prevent faults
occurring which can result in reduced
performance and possible failure.
PRESSURE SWITCH ADJUSTMENTS:
To adjust the pressure level at which the cut-out
functions, remove the switch cover and turn the
pressure regulating screw clockwise to increase
the level and anticlockwise to decrease the level.
See Fig.9.
To adjust the cut-in pressure turn the cut-in
pressure regulating screw clockwise to increase
the level and anticlockwise to decrease the level.
WARNING:
DO NOT ADJUST THE CUT-IN PRESSURE
ABOVE THE MAXIMUM PRESSURE AS PER
THE MACHINE SPECIFICATION.
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