Clarke PEVH11C50 Betriebs- und Wartungsanleitung - Seite 10
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SYMPTOM
Compressor unit will not Pressure switch defective.
stop automatically.
Bleed valve under
pressure switch blows
whilst compressor is
not running.
Bleed valve under
pressure switch
blows whilst machine
is running.
Compressor runs
continuously and can't
attain the working
pressure required.
PROBABLE CAUSES
Non-return valve leaking.
Relief valve leaking.
Suction filter blocked.
V-belt too slack (not
applicable to direct
drive machines).
Leak between compressor
block and air receiver/
leaks in or near air receiver.
RPM too low because of
incorrectly connected
electric motor.
Valves blocked by dirt,
paint, dust or coked up.
Inspection cover or plug
leaking.
Suction rendered difficult or
impossible at suction intake Flow around the unit.
or the air being taken in is
too warm.
Pressure gauge defective.
Unit too small in relation to
air consumption of
connected equipment
Compressor worn.
10
REMEDY
Contact Clarke Service
Department
Clean non-return valve
or replace.
Clean relief valve or
change pressure switch.
Change filter.
Tighten V-Belt.
Tighten connection and
repair leak or contact
Clarke Service Dept
Contact Clarke Service
Department
Contact Clarke Service
Department
Empty air receiver and
change seal or contact
Clarke Service Dept.
Ensure unobstructed air
Install a larger
compressor
Have compressor over-
hauled or replace it.