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Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com
Compressor
runs
continuously
and can’t
attain the
working
pressure
required.
Suction filter blocked. Change filter.
V-belt too slack (not applicable
to direct drive machines).
Tighten V-Belt.
Leak between compressor block
and air receiver/ leaks in or near
air receiver.
Tighten connection and repair
leak or Contact Clarke Service
RPM too low because of
incorrectly connected electric
motor.
Contact Clarke Service
Valves blocked by dirt, paint, dust
or coked up.
Contact Clarke Service
Inspection cover or plug leaking Empty air receiver and
change seal or Contact
Clarke Service
Suction rendered difficult or
impossible at suction intake or the
air being taken in is too warm.
Ensure unobstructed air flow
around the unit.
Pressure gauge defective.
Unit too small in relation to air
consumption of connected
equipment
Install a larger compressor
Compressor worn. Have compressor overhauled
or replace it.
Compressor unit
starts and stops
more frequently
than usual.
Large amount of condensation in
air receiver.
Drain off condensation AT
LEAST once a week.
Leaks in control unit or inspection
cover.
Locate leaks (by means of
soapy water) and repair.
Too little pressure differential. Contact Clarke Service
Compressor unit
starts when no
air is being
used.
Leaks in pipework system Locate and repair leaks.
Machine
running but not
pumping air
into the
receiver (10HP
only)
Air exhausting from solenoid after
starter has changed direction
from star to delta.
Check solenoid valve
Contact Clarke Service
SYMPTOM PROBABLE CAUSE REMEDY
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