Clarke PPVH11ND50 Manual de Instruções de Operação e Manutenção - Página 11
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SYMPTOM
Compressor unit
starts, but stops
again after only
a few
revolutions.
Fuses keep
blowing.
Unusual noise
from
compressor
Compressor's oil
consumption
rising.
Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
PROBABLE CAUSE
Non-return valve leaking
(compressor unit is on load during
start).
Non-return valve blocked,
possibly frozen up.
Solenoid valve leaking or
defective (only applies to 10 HP
machines and above).
Inadequate size fuse installed.
Fault in motor.
Bolts loose.
V-Belt flywheel or cooling coil
touching belt guard
Flywheel loose.
Unit installed on an unsuitable
base.
Bearings, piston rings or cylinder
worn.
Valve broken.
Bearings of electric motor worn
Too much oil in compressor.
Leaks around crank case.
Working temperature of
compressor too high because of
insufficient cooling.
Unit too small in proportion to air
consumption.
Semi-automatic unit Load too
small.
Cylinder worn
Intake air filter blocked.
REMEDY
Disconnect from the mains supply
and empty air receiver. Clean
or replace
Thaw non-return valve out
(Unit must be installed in frost-
free place).
Contact Clarke Service
Replace with reference to
chart See page 6.
Contact Clarke Service
Tighten Bolts.
Find place of contact and
remedy fault.
Tighten flywheel.
Move unit to a more solid
base
Contact Clarke Service
Contact Clarke Service
Contact Clarke Service
Check oil level 2 or 3 minutes
after stopping.
Contact Clarke Service
Increase ventilation to air
compressor.
Connect supplementary.
Convert to fully automatic
operation.
Contact Clarke Service
Clean / Change air filter.
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