AIR RECEIVER PRESSURE ADJUSTMENTS
WARNING:
THE SAFETY VALVE (ITEM 6, FIG. 2 & 3) FITTED TO THIS COMPRESSOR IS FACTORY
SET AND MUST NOT BE ADJUSTED.
If it is necessary to alter the pressure settings on the compressor please remember
that increasing the pressure will NOT increase the volume of air supplied.
Any adjustments must be made with the compressor at working pressure.
ELECTRIC MACHINES
WARNING:
DISCONNECT FROM ELECTRICITY SUPPLY BEFORE REMOVING ANY COVER.
a. NEMA Pressure Switch
(shown with cover removed).
PRESSURE ADJUSTMENT:
To increase the cutout pressure, turn the hexagon (A) on
top of the pressure switch clockwise.
To reduce the cut out pressure, turn it anticlockwise.
RANGE ADJUSTMENT:
To increase the pressure differential between cut in and
cutout, turn the toothed wheel (B) situated under the large
spring anticlockwise, using a screwdriver. In it’s present
position, the pressure SWITCH is set to the minimum range.
NOTE: These operations must always be performed with
the PRESSURE SWITCH under pressure.
Fig.4
b. CONDOR Pressure Switch - Type MDR1
(shown with cover removed).
Toremove the cover, complete with rotary switch, simply
unscrew and remove the single securing screw, adjacent
to the rotary switch, and pull off the cover.
Pressure adjustment is effected by turning the screw ‘A’
clockwise to increase, anticlockwise to reduce.
No provision is made for pressure differential.
An information sheet for this component is provided with
the machine’s documentation
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