BE Pressure supply 20 Gallon Vertical Air Compressor AC2020 - Manual (Page 18)

18
maintenance
Maintenance
WARNING
Disconnect spark plug wire from spark plug and release air pressure
from system before performing maintenance.
NOTE: All compressed air systems 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.
NOTE:
Take note of the position and locations of parts during disas-
sembly to make reassembly easier. The assembly sequences and parts
illustrated may differ for your particular unit.
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.
Weekly
·· Check safety/relief valves by pulling rings. Replace safety/relief valves
that do not operate freely.
·· Inspect air filter element. Clean if necessary.
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