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Maintenance
NOTE: Any service procedure not covered in the maintenance schedule below should be performed by qualified
service personnel.
Before each After first Every
Items to Check/Change use or daily 10 hours 100 hours
Check Tank Safety Valve X
Overall Unit Visual Check X
Check Oil Level X
Change Oil X X
Check Air Filter (more frequently in dusty or humid environments) X
To ensure efficient operation and longer life of the air
compressor unit, a routine maintenance schedule should
be followed. The following schedule is geared toward a
consumer whose compressor is used in a normal working
environment on a daily basis. If necessary, the schedule
should be modified to suit the conditions under which your
compressor is used. The modifications will depend upon
the hours of operation and the working environment. Air
compressors used in an extremely dirty and/or hostile
environment will require a greater frequency of all
maintenance checks.
The air compressor should be turned off and unplugged
from the power source before any maintenance is
performed as well as the air bled from the tank and the
unit allowed time to cool. Personal injuries could occur
from moving parts, electrical sources, compressed air or
hot surfaces.
Oil Changing
For changing the pump oil, be sure to do the following:
1. Turn the unit off and unplug the power cord from the
receptacle.
2. Allow the compressor time to cool if it has been in
operation.
3. Open the drain valve to bleed all air from the tank.
4. Close the drain valve.
5. Remove the oil fill cap on the pump.
6. Remove the sight glass with a box end wrench or
socket. Drain the oil into a suitable container and
dispose of properly. The compressor may need to be
tipped slightly towards the drain hole to allow all of the
oil to drain.
7. Reattach the sight glass. Note: Torque the sight glass
10-12 inch Ibs. when re-assembling. Be sure the gasket
is between the sight glass and the pump crankcase.
8. Refill the compressor pump with an air compressor oil
such as SAE-30 non-detergent (API CG/CD Heavy
Duty) oil at slow intervals until the oil reaches the center
of the red circle in the sight glass. Use a SAE-10 during
extreme winter conditions.
Storage
For storing the air compressor, be sure to do the following:
1. Turn the unit off and unplug the power cord from the
receptacle.
2. Remove all air hoses, accessories, and air tools from
the air compressor.
3. Perform the daily maintenance schedule.
4. Open the drain valve to bleed all air from the tank.
5. Close the drain valve.
6. Store the air compressor in a clean and dry location.
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