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20 Gallon Oil Free
Electric Air Compressor
Owner's Manual
WARNING: Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS
before operating. Failure to follow the safety rules and other basic safety precautions may result in serious
personal injury.
Model # AC1220
READ AND SAVE THESE INSTRUCTIONS
AC1220 man v.190926
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Summary of Contents for General International AC1220
- Page 1 WARNING: Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS before operating. Failure to follow the safety rules and other basic safety precautions may result in serious personal injury. Model # AC1220 READ AND SAVE THESE INSTRUCTIONS AC1220 man v.190926...
- Page 2 This air compressor is designed for certain applications only. General International is not responsible for issues arising from modification or improper use of this product such as an application for which it was not designed.
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Page 3: Table Of Contents
Before Each Use ......................13 Accessories ........................13 Accessories for this unit are sold separately. Operating Instructions ....................13 Drain Valve Pressure Switch Adjusting the air pressure Shutting off your compressor Cold Weather Starting After Each Use Daily shut-down Maintenance .........................16 Troubleshooting ......................17 AC1220 man v.190926... -
Page 4: Intended Use
General International INTENDED USE The General International 20 Gallon Oil Free Electric Air Compressor is ideal for inflating tires, air mattresses, pool toys, and sports balls. The air compressor can be used for operating pneumatic tools including: air nailers, impact wrenches, air ratchets, drills, and cutting tools. It’s the perfect air compressor for medium to heavy automotive, farm, and shop-type applications. -
Page 5: Important Safety Information
Adjust pressure regulator on air supply to no more than the rating of the tire pressure. Add air in small increments and frequently use the tire gauge to prevent over inflation. AC1220 man v.190926... -
Page 6: Personal Safety
General International WARNING Personal Safety • Stay alert, watch what you are doing, and use common sense when operating the tool. Do not use the tool while you are tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating the tool may result in serious personal injury. -
Page 7: Specific Operation Warnings
Refer all servicing to a qualified technician. Consult your dealer for advice. • Maintain tools with care. Keep tools sharp and clean. Properly maintained tools, with sharp cutting edges, are less likely to bind and are easier to control. AC1220 man v.190926... -
Page 8: Power Source Connection
General International POWER SOURCE CONNECTION Power Requirements This tool is designed to operate on a properly grounded 120 volt, 60 Hz, single phase alternating current (AC) power source fused with a 15 amp time delayed circuit breaker. It is recommended that a qualified electrician verify the ACTUAL VOLTAGE at the receptacle into which the tool will be plugged and confirm that the receptacle is properly grounded. - Page 9 Make sure your extension cord is properly wired and in good electrical condition. Always replace a damaged extension cord or have it repaired by a qualified electrician before using it. ● Protect your extension cords from sharp objects, excessive heat, and damp or wet areas. AC1220 man v.190926...
- Page 10 General International Main Parts Description A Power Switch: This controls the power to the motor and also the cut-in/ cut-out pressure settings. This switch serves as the Auto-On/Off positions for the unit. B Tool Pressure Gauge: Indicates the outgoing air pressure to the tool and is controlled by the regulator.
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Page 11: Main Parts Of Air Compressor
Air Compressor MAIN PARTS OF AIR COMPRESSOR fig.2 AC1220 man v.190926... -
Page 12: Getting Started
General International GETTING STARTED 1. Unpack the air compressor. 2. Inspect the unit for damage. If the unit has been damaged in transit, contact the carrier and complete a damage claim. Do this immediately because there are time limitations to damage claims. -
Page 13: Before Each Use
2. Inspect the air compressor, air hose, and any accessories/tools being used for damage or obstruction. If any of these mentioned items need repair/replacement, contact your local authorized dealer before use. 3. Close the drain valve (F, fig 2). AC1220 man v.190926... -
Page 14: Drain Valve
General International 4. Connect the air hose to the quick connect socket on the regulator assembly by inserting the quick connect plug on the air hose into the quick connect socket. The quick connect socket collar will snap forward and lock the plug into place, providing an air tight seal between the socket and plug. -
Page 15: Adjusting The Air Pressure
4. Remove any air tools or accessories. 5. Open the drain valve allowing air to bleed from the tank. After all of the air has bled from the tank, close the drain valve to prevent debris build-up in the valve. AC1220 man v.190926... -
Page 16: Maintenance
General International MAINTENANCE To ensure efficient operation and longer life of the air compressor unit, a routine NO T I CE 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. -
Page 17: Troubleshooting
Excessive use (over 1 hour continuous) can cause motor overheating. Allow the motor to cool down. 2. Motor windings burn-out Contact customer support Motor does not start and Capacitor burn-out Contact customer support makes a humming sound AC1220 man v.190926... - Page 18 General International TROUBLESHOOTING Trouble Possible Cause Corrective Action Motor does not start or starts Low voltage electrical supply to Check that the main supplied voltage slowly motor corresponds to the compressor speci- fications. An inadequate extension cord (too thin or too long) can cause the motor to overheat due to voltage drop.
- Page 19 Air Compressor This page intentionally left blank. AC1220 man v.190926...
- Page 20 General International...
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