Clarke PPVH11ND50 Manuel d'utilisation et d'entretien - Page 13
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SYMPTOM
Compressor
becomes too
hot.
Oil in the air
delivered
Condensation
in crank case
(especially in 2-
stage
compressors).
Condensation
at outlet points
Electric motor
too hot:
Maximum
temperature
90oC (194oF).
Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
PROBABLE CAUSE
Insufficient ventilation
Oil level too low (check 2 or 3
times after stopping).
Fault in valves (machine not
stopping).
Blown head gasket (machine not
stopping).
Dirt on cooling fins or suction filter.
Unit working at too high a
pressure
Non-return valve partly blocked.
Compressor being overworked
and running continuously.
Sump over full
Cylinder worn
Intake air filter blocked
Compressor over dimensioned
(operational periods to short in
relation to resting periods).
Piping installation is incorrect
Compressor is taking in air that is
too warm
Delivery temperature of air from
air receiver is too high
Operational voltage too low
Faults in electrical installation
Cooling fins of electric motor
blocked by dirt
REMEDY
See that sufficient air is
supplied to flywheel or fan of
compressor and that hot air is
properly vented.
Fill with oil - See page 7.
Contact Clarke Service
Contact Clarke Service
Clean cooling fins and suction
filter.
Contact Clarke Service
Clean or thaw out non-return
valve.
Use a larger compressor
Reduce oil to correct level
Contact Clarke Service
Change air filter
Frequent oil changes
Reduce Cooling of crank case
(e.g. by shielding it from the air
stream).
Contact Clarke Service
Consult your local dealer
Obtain better fresh air supply
for the compressor.
Use a larger air receiver
Contact Clarke Service
Call an electrician
Contact Clarke Service
Clean Cooling fins
13