Senco PC1280 - Electric Air Compressor Manual

INSPECTION

Unbox the air compressor and write in the serial number in the space provided below. Inspect for signs of obvious or concealed freight damage. Be sure that all damaged parts are replaced and any mechanical problems are corrected prior to the operation of the air compressor.

If you have Questions or Comments call SENCO's toll-free Action-line: 1-800-543-4596 or, e-mail: toolprof@Senco.com

Please have the following information available for all service calls:

1. Model Number
2. Serial Number
3. Date and Place of Purchase

Senco, 4270 Ivy Pointe Blvd., Cincinnati, OH 45245

SAFETY WARNINGS

SAFETY ALERT!
A "DANGER, WARNING or CAUTION" safety warning will be surrounded by a "SAFETY ALERT BOX." This box is used to designate and emphasize Safety Warnings that must be followed when operating this air compressor. Accompanying the safety warnings are "Signal Words" which designate the degree or level of hazard seriousness. The "Signal Words" used in this manual are as follows:

	Indicates an imminently hazardous situation which, if not avoided, WILL result in death or serious injury.
	Indicates an imminently hazardous situation which, if not avoided, COULD result in death or serious injury.
	Indicates an imminently hazardous situation which, if not avoided MAY result in minor or moderate injury or damage to the air compressor.
	The symbols set to the left of this paragraph are "Safety Alert Symbols." These symbols are used to call attention to items or procedures that could be dangerous to you or other persons using this equipment.

ALWAYS PROVIDE A COPY OF THIS MANUAL TO ANYONE USING THIS EQUIPMENT. READ ALL INSTRUCTIONS IN THIS MANUAL AND ANY INSTRUCTIONS SUPPLIED BY MANUFACTURERS OF SUPPORTING EQUIPMENT BEFORE OPERATING THIS AIR COMPRESSOR AND ESPECIALLY POINT OUT THE "SAFETY WARNINGS" TO PREVENT THE POSSIBILITY OF PERSONAL INJURY TO THE OPERATOR.

READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR

HAZARD	POTENTIAL CONSEQUENCE	PREVENTION
RISK OF ELECTRIC SHOCK OR ELECTROCUTION	Serious injury or death could occur if the air compressor is not properly grounded. Your air compressor is powered by electricity and may cause electric shock or electrocution if not used properly.	Make sure the air compressor is plugged into a properly grounded outlet which provides correct voltage and adequate fuse protection.
	Electrical shock may occur from electrical cord.	Check power cord for signs of crushing, cutting or heat damage. Replace faulty cord before use. Keep all connections dry and off the ground. Do not allow electrical cords to lay in water or in such a position where water could come in contact with them. Do not touch plug with wet hands. Do not pull on the electrical cord to disconnect from the outlet.
	Electrical shock may occur if air compressor is not operated properly.	Never operate air compressor in wet conditions or outdoors when it is raining. Never operate air compressor with safety guards/covers removed or damaged.
	Serious injury or death may occur if electrical repairs are attempted by unqualified persons.	Any electrical wiring or repairs performed on this air compressor should be done by Authorized Service Personnel in accordance with National and Local electrical codes. Before opening any electrical enclosure, always shut off the air compressor, relieve pressure and unplug the air compressor from the power source. Allow air compressor to cool down. Never assume the air compressor is safe to work on just because it is not operating. It could restart at any time!
RISK OF EXPLOSION OR FIRE	Serious injury or death may occur from normal electrical sparks in motor and pressure switch.	Always operate air compressor in a well ventilated area free of flammable vapors, combustible dust, gases or other combustible materials. If spraying flammable material, locate the air compressor at least 6 meters away from the spray area. (An additional hose may be required.)
	Serious injury may occur if any air compressor ventilation openings are restricted, causing the air compressor to overheat and start on fire.	Never place objects against or on top of air compressor. Operate air compressor at least 30 cm away from any wall or obstruction that would restrict proper ventilation.
RISK OF BURSTING	Serious injury or death may occur from an air tank explosion if air tanks are not properly maintained.	Drain air tank daily or after each use to prevent moisture buildup in the air tank. If air tank develops a leak, replace the air tank immediately. Never repair, weld or make modifications to the air tank or its attachments. Use only genuine SENCO repair parts for your air compressor. Never make adjustments to the factory set pressures.
	Serious injury may occur from an air compressor malfunction or exploding accessories if incorrect system components, attachments or accessories are used.	Never exceed manufacturers maximum allowable pressure rating of attachments. Because of extreme heat, do not use plastic pipe or lead tin soldered joints for a discharge line. Never use air compressor to inflate small, low pressure objects such as toys.
RISK TO BREATHING	Serious injury or death could occur from inhaling compressed air. The air stream may contain carbon monoxide, toxic vapors or solid particles.	Never inhale air from the air compressor either directly or from a breathing device connected to the air compressor.
	Sprayed materials such as paint, paint solvents, paint remover, insecticides, weed killers, etc. contain harmful vapors and poisons.	Operate air compressor only in a well ventilated area. Follow all safety instructions provided with the materials you are spraying. Use of a respirator may be required when working with some materials.
RISK OF BURNS	Serious injury could occur from touching exposed metal parts. These areas can remain hot for some time after the air compressor is shut down.	Never allow any part of your body or other materials to make contact with any exposed metal parts on the air compressor, motor, or pipework.
RISK OF FLYING OBJECTS	Soft tissue damage can occur from the compressed air stream.	Always wear OSHA required "Z87" safety glasses to shield the eyes from flying debris. Never point the air stream at any part of your body, anyone else or animals. Never leave pressurized air compressor unattended. Shut off air compressor and relieve pressure before attempting maintenance, attaching tools or accessories.
	Serious injury can occur from loose debris being propelled at a high speed from the compressed air stream.	Always maintain a safe distance from people and animals while operating the air compressor. Do not move the air compressor while air tank is under pressure. Do not attempt to move the air compressor by pulling on the hose.
RISK FROM MOVING PARTS	Risk of bodily injury from moving parts. This air compressor cycles automatically when the pressure switch is in the "On/Auto" position.	Always turn off air compressor when not in use. Bleed pressure from the air hose and unplug from electrical outlet before performing maintenance. All repairs to the air compressor should be made by an Authorized Service person. Never assume the air compressor is safe to work on just because it is not operating. It could restart at any time! Do not operate without protective covers/guards. Replace damaged covers/guards before using the air compressor.
RISK FROM NEGLIGENCE	Risk of injury from negligent use.	Never allow children or adolescents to operate this air compressor! Stay alert -- watch what you are doing. Do not operate the air compressor when fatigued or under the influence of alcohol or drugs. Know how to stop the air compressor. Be thoroughly familiar with controls.
RISK OF AIR COMPRESSOR DAMAGE	Risk of major repair.	Do not operate air compressor without an air filter. Do not operate air compressor in a corrosive environment. Do not incline the air compressor transversly or longitudinally more than 10°. Always operate the air compressor in a stable, secure position to prevent air compressor from falling. Follow all maintenance instructions listed in this manual.

! SAVE THESE INSTRUCTIONS!

This product contains chemicals, including lead, known to the State of California to cause cancer, and birth defects or other reproductive harm.
Wash hands after handling

PRODUCT FEATURES

1. Power Switch - on/off
2. Quick Disconnect
3. Air Intake Filter
4. Pump/Motor Assembly
5. Safety Relief Valve
6. Air tank drain valve
7. Tank Pressure Gauge
8. Outlet Pressure Gauge
9. Pressure Regulator
10. 115 Volt Electric Power Cord
11. Pressure Switch

1. POWER SWITCH - ON/OFF: This switch is used to start or stop the air compressor. Moving the switch to the (On) position will provide automatic power to the pressure switch which will allow the motor to start when the air tank pressure is below the factory set cut-in pressure. When in the (On) position, the pressure switch stops the motor when the air tank pressure reaches the factory set cut-out pressure. For safety purposes, this switch also has a pressure release valve located on the side of the switch designed to automatically release compressed air from the air compressor pump head and its discharge line when the air compressor reaches cut-out pressure or is shut off. This allows the motor to restart freely. Moving the switch to the (Off) position will remove power from the motor and stop the air compressor.
2. MOTOR THERMAL OVERLOAD: The electric motor has a thermal overload protector. If the motor overheats for any reason, the thermal overload will cut off power, thus preventing the motor from being damaged. Wait until the motor is cool. Motor resets automatically.
3. AIR INTAKE FILTER: This filter is designed to clean air coming into the pump. To ensure the pump continually receives a clean, cool, dry air supply this filter must always be clean and ventilation opening free from obstructions.
4. AIR COMPRESSOR PUMP: To compress air, the piston moves up and down in the cylinder. On the downstroke, air is drawn in through the air intake valve while the exhaust valve remains closed. On the upstroke, air is compressed, the intake valve closes and compressed air is forced out through the exhaust valve, into the discharge line, through the check valve and into the air tank.
5. SAFETY RELIEF VALVE: This valve is designed to prevent system failures by relieving pressure from the system when the compressed air reaches a predetermined level. The valve is preset by the manufacturer and must not be modified in any way.
   To verify the valve is working properly, pull on the ring. Air pressure should escape. When the ring is released, it will reseat.
6. AIR TANK DRAIN VALVE: The drain valve is used to remove moisture from the air tank(s) after the air compressor is shut off. NEVER attempt to open the drain valve when more than 10 PSI of air pressure is in the air tank! To open the drain valve, turn the knob counterclockwise. Tilt tank to ensure that all condensation drains through valve.
7. AIR TANK PRESSURE GAUGE: The air tank pressure gauge indicates the reserve air pressure in the air tank (s).
8. OUTLET PRESSURE GAUGE: The outlet pressure gauge indicates the air pressure available at the outlet side of the regulator. This pressure is controlled by the regulator and is always less or equal to the air tank pressure.
9. PRESSURE REGULATOR: The air pressure coming from the air tank is controlled by the regulator knob. Turn the pressure regulation knob clockwise to increase discharge pressure, and counterclockwise to decrease discharge pressure. Follow tool operating instructions for recommended pressure range.

PREPARATION

INITIAL SET-UP

1. Read safety warnings before setting-up air compressor.

LOCATION

In order to avoid damaging the air compressor, do not incline the air compressor transversely or longitudinally more than 10º.

1. Place air compressor at least 12 inches away from obstacles that may prevent proper ventilation.
   Do not place air compressor in an area:
   • where there is evidence of oil or gas leaks.
   • where flammable gas vapors or materials may be present.

Serious injury or death may occur if electrical sparks from motor and pressure switch come in contact with flammable vapors, combustible dust, gases or other combustible materials. When using the air compressor for spray painting, place the air compressor as far away from the work area as possible, using extra air hoses instead of extension cords.

• where air temperatures fall below 32ºF or exceed 104ºF.
• where extremely dirty air or water could be drawn into the air compressor.

ELECTRICAL

Improper connection of the equipment-grounding conductor can result in a risk of shock or electrocution. Check with a qualified electrician or service personnel if you are in doubt as to whether the outlet is properly grounded. Do not use any type of adapter with this product. If repair or replacement of the cord or plug is necessary, do not connect the grounding wire to either flat blade terminal. The wire with insulation having an outer surface that is green with or without yellow stripes is the grounding wire.

This product must be grounded. If there should be a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. This product is equipped with a cord having an equipmentgrounding conductor and a grounding type plug. The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances.

1. SENCO DOES NOT RECOMMEND THE USE OF EXTENSION CORDS as this can create power loss and overheating of the motor. Use of an additional air hose is recommended rather than an extension cord. If use of an extension cord is unavoidable, it should be plugged into a GFCI found in circuit boxes or protected receptacles.
   When using an extension cord, observe the following:

Use only 3-blade extension cords that have 3-blade grounding-type plugs and 3-slot cord connectors that will accept the plug from the product. Use only extension cords having an electrical rating not less than the rating of the product. Do not use damaged extension cords. Examine extension cord before using and replace if damaged. Do not abuse extension cord and do not yank on any cord to disconnect. Keep cord away from heat and sharp edges. Always shut off the air compressor switch before removing the plug from the receptacle.

OPERATION

PRE-START CHECKLIST

1. Remove any moisture in the air compressor tank. Remove excessive pressure by pulling on the safety relief valve ring or with an air tool, then open the air tank drain valve in the bottom of the air tank. Close tightly when drained.

Risk of bodily injury. NEVER attempt to open the drain valve when more than 10 PSI of air pressure is in the air tank!

2. Make sure the air compressor Motor Switch is in the "OFF" position.
3. Make sure all safety valves are working correctly.
4. Make sure all guards and covers are in place and securely mounted.

START-UP

1. Ensure the lever on the pressure switch box is in the "OFF" position.
2. Plug the power cord into the grounded outlet.
3. Move the motor switch to the "ON" position.
4. This will allow the air compressor to "START" building up pressure in the air tanks and "STOP" when correct pressure is achieved. When pressure drops with usage, the air compressor will "START" building up pressure again.
5. Set pressure by adjusting the pressure regulator knob counterclockwise for less pressure and clockwise for more pressure.
6. If you notice any unusual noise or vibration, stop the air compressor and refer to "Troubleshooting".

SHUTDOWN

1. To stop the air compressor, move the lever on the motor switch to the "OFF" position. NEVER stop the air compressor by unplugging it from the power source. This could result in risk of electrocution.
2. Drain air from the air tank by releasing air with an attached air tool or by pulling on the safety relief valve ring.
3. Once pressure in the air tanks register under 10 PSI, open the drain valve under each air tank to drain any moisture.
4. Allow the air compressor to cool down.
5. Wipe air compressor clean and store in a safe, non-freezing area.

MAINTENANCE

Read the instruction manual before performing maintenance. The following procedures must be performed when stopping the air compressor for maintenance or service.

1. Turn off the air compressor

Never assume the air compressor is safe to work on just because it is not operating. It could restart at any time!

2. Disconnect cord from main power supply.
3. Open all drains.
4. Wait for the air compressor to cool before starting service.

MAINTENANCE CHART

TROUBLESHOOTING

SPECIFICATIONS

Limited Warranty

Warranty registration also is required and can be accomplished through on-line Product Registration at www.senco.com or by completing and returning the postage paid warranty registration form included with your Operator's manual/parts chart information, found inside the product carton. To make a warranty claim, you must return the product, with proper receipt/proof of purchase and return transportation charges prepaid, to a SENCO Authorized Warranty Service Center. A list of SENCO Authorized Warranty Service Centers can be found at www.senco.com or by calling 1-800-543-4596 toll free.

SENCO BRANDS, INC.
CINCINNATI, OHIO 45244-1611 USA
www.senco.com

Parts Reference Guide

Senco Brands, Inc.
4270 Ivy Pointe Blvd.
Cincinnati, OH 45245
1-800-543-4596
www.senco.com

Documents / Resources

References

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