Sears 921.16471 Air Compressor User Manual


 
Maintenance
NOTE: Any service procedure not covered in the maintenance schedule should be performed
by qualified service personnel.
The air compressor should be turned off,
unplugged from the power source, air bled from
the tank and allowed time to cool before any
maintenance is performed.
Check the safety valve by performing these three
steps:
1. Plug the compressor in and run until shut-off
pressure is reached.
2. Wearing safety glasses, pull out on the safety
valve ring to release pressure from the tank.
3. The safety valve should close automatically at
approximately at 40-50 PSI. Ifthe safety valve
does not allow air to be released when you pull
out on the ring, or does not close automatically, it
must be replaced.
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Do not attempt to remove or adjust the safety valve.
Items to Check/Change
Check Tank Safety Valve
Overall Unit Visual Check
Drain Tank
Check Power Cord for Damage
Before each use
or daily
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NOTE: The motor will automatically restart
without warning if the unit is left plugged in to an
outlet with the Auto/Off switch in the on position.
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 environ-
ment on a daily basis.
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From time to time, the air filter needs to be removed
and cleaned,
1, Turn the air compressor off,
2, Unplug the air compressor,
3, Turn the air filter cover counterclockwise to
remove.
4. Remove air filter from air filter housing.
5. Blow compressed air through the air filter for
10-15 seconds.
This compressor is equipped with an automatic
reset thermal overload protector which will shut
off motor if it becomes overheated. If the thermal
overload protector is actuated, the motor must
be allowed to cool down before start-up is pos-
sible.
For more details, see Troubleshooting Guide
(page 9),
Storage
For storing the air compressor, be sure to do the following:
1, Turn the unit off and unplug the power cord 4. Open the drain valve to bleed allair from the tank.
from the receptacle, 5, Close the drain valve,
2, Remove all air hoses, accessories, and air tools 6, Store the air compressor in a clean and dry
from the air compressor, location,
3, Perform the daily maintenance schedule,
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