AIR COMPRESSOR MANUAL
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7. Maintenance
7-1 Checking Oil Level
￭ Check the Oil status before starting a
machine.
￭ Pour the Oil when it is needed after checking
oil status
◩
OIL TYPE
MSL BREATHING AIR COMPRESSOR OIL
model = 1. MOS100
2. MOS501
7-2 Air Intake Filter
￭ Install the extension hoses from suction filter on
the clean air, if needed.
￭ Air inlet filter only for dust reducing of air.
￭ Filter element should be exchanged periodically or
when needed.
￭ Exchange the ELEMENT when it is impossible to use.
￭ Using the soiled filter is not good for performance,
power consumption and durability.
7-3 Cylinder heads and valves
Inlet and outlet valves of the 1st stage are located under the 1st stage valve cover.
The inlet valve opens of the down-stroke, the outlet one on the up-stroke. To reach the
2nd and 3rd stage valves, it is necessary to remove the cylinder heads first. Then the
valves can be pulled out of their seat and held in a bench-vice with the alloy valve holder
for further dismantling. The valves should be replaced after 1000 working hours due to
normal wear and tear.
7-4 Drain Valve
￭ Drain
the condensates by opening the drain valve when filling job is finished
￭ Auto drain valve is automatically opened when the compressor is stopped.
￭ Auto drain valve won't work, on condition of having a some trouble in the
SOLENOID VALVE.
￭ Be required spacial attention in winter.
- Be careful of damaging the COMPRESSOR BODY and LINE by the frozen air line.
- Use the hot stove to melt the frozen DRAIN VALVE.
Fig_2 OIL LEVEL GAUGE
Fig.3 OIL CHANGE
Fig.4 SUCTION FILTER
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