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Operating instructions
9
RECTIFYING MALFUNCTIONS
Malfunction
Cause
Remedy
•
Oil level rises
•
Drops of water in oil
•
Oil has milky colour
Water has collected in the crank
housing. Operating temperature is
not being reached because the
switch-on times are too short.
Change oil at once
Use a smaller compressor if neces-
sary
Water has collected in the crank
housing because the machine is
installed in a damp place.
Change oil at once
Select a dry place for installation
•
Motor cut-out has been triggered
Ambient temperature is too high
Ventilate the room or choose a
cooler place for installation
Supply voltage is wrong
Ask a qualified electrician to check
supply voltage and cross-sections of
the supply wiring.
Valves are defective
Replace the valves
Recommendation: call in BLITZ
Service-Department
•
Low air delivery
Suction filter clogged
Clean / replace suction filter
•
Excessive oil consumption
Wrong oil is being used
Check the type of oil
Wear between the piston-rings and
the cylinder walls
Replace the piston rings
Recommendation: call in BLITZ
Service-Department
•
Air is escaping through the safety
valve on the storage tank
Pressure switch is set too high
Check the pressure switch settings
•
Air is escaping from the depres-
surisation pipe on the pressure
switch or the solenoid valve
Non return valve is defective
Check the non return valve
Recommendation: call in BLITZ
Service-Department
•
Air is escaping from the depres-
surisation pipe of the pressure
switch or the solenoid valve whilst
compressor is running.
Air relief valve or pressure switch
dirty or defect
Check air relief valve
Recommendation Call in BLITZ
Service Department
•
Automatic condensate drain
(option) lets out water constantly
Automatic condensate drain is
polluted
Clean condensate drain (this can not
be claimed unter quaranty)
MAINTENANCE – OVERALL VIEW
After 100 working
hours, max. 6-8 weeks
after inital start
After 500 working
hours, at least once a
year
After 2000 working
hours, at least every 2
years
Change Oil
•
•
•
Check air filter for pollution
•
•
•
Regulate tension of the V-belt
•
•
•
Clean automatic condensate drain
(option) on air receiver
•
•
•
Check valve for erosion
•
The given intervals are based on experience. They can differ considerably depending on the
operating conditions.
Always tighten all screw connections that have been loosened during maintenance work.