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Maintenance
1. Before maintenance operation, stop the air
compressor, cut off power supply and discharge
all air in the air tank.
2. Clean crank case and renew lubricating oil after
the first 10 working hours.
3. Check the oil level after every 20 working hours,
and replenish if necessary (Fig.4).
4. Clean crank case and renew the oil, clean air
filter every three months.
5. Open the drain cock under the tank to exhaust
the condensate after every 60 working hours
but less than every 7 days.
6. Check the safety valve and pressure gauge by
professional organization every 6 months and
make sure they are in correct condition.
7. Make sure there is no rust on the air tank and
the air tank is not damaged.
8. Check the thickness of the air tank by
professional organization every year and make
sure the thickness is not less than 2.1mm.
FIG. 4
Caution
WARNING
Disconnect electrical cord from outlet and release air pressure
from system before performing maintenance.
DAILY OR BEFORE EACH OPERATION
·· Check lubrication levels. Fill as needed.
·· Drain receiver tank condensation.
·· Check for unusual noise or vibration.
·· Ensure area around compressor is free from rags, tools, debris, and
flammable or explosive materials.
NOTICE
All units contain maintenance parts (e.g. lubricating oil, filters,
separators), which are periodically replaced. These used parts may be,
or contain, substances that are regulated and must be disposed of in
accordance with local, state, and federal laws and regulations.
Take note of the position and locations of parts during disassembly to
make reassembly easier. The assembly sequences and parts illustrated
may differ for your particular unit.
WEEKLY
·· Check safety/relief valves by pulling rings. Replace safety/relief valves
that do not operate freely.
·· Inspect air filter element. Clean if necessary.
MONTHLY
·· Inspect for air leaks. Squirt soapy water around joints during
compressor operation and watch for bubbles. Tighten fittings if
necessary.
·· Clean exterior.
3 MONTHS OR 500 HOURS
·· Change petroleum lubricant in pump while crankcase is warm.
12 MONTHS OR 1000 HOURS
·· Replace air filter element.
1. Put the cover off first and put on the breath pipe and air filter before
the compressor run (Fig.5).
2. Never unscrew any connecting part when the tank is in pressure
condition.
3. Never disassemble any electrical part before disconnecting the plug.
4. Never adjust the safety valve carelessly.
5. Never use the compressor in place where voltage is too low or too
high.
6. Never disconnect the plug to stop compressor, set the switch knob
in position off instead.
7. If the release valve doesn’t work as motor stopped, find the cause
immediately so as not to damage motor.
8. Lubricating oil must be clean, oil level should be kept in the score of
oil ruler.
9. Disconnect the plug to cut off power supply and open the outlet
valve.
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