Porter-Cable C7550 Instruction Manual

Oil lube two stage air compressor

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Instruction manual (88 pages)

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Page 1 Instruction manual MODEL C7550 To learn more about Porter-Cable visit our website at: http://www.porter-cable.com Copyright © 2004 Porter-Cable Corporation ESPAÑOL: PÁGINA 27 FRANÇAIS: PAGE 53 Oil Lube Two Stage Air Compressor IMPORTANT Please make certain that the person who is to use this equipment carefully reads and understands these instructions before starting operations.
Page 2: Safety Guidelines - Definitions
SAFETY GUIDELINES - DEFINITIONS This manual contains information that is important for you to know and understand. This information relates to protecting YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the symbols below. Please read the manual and pay attention to these symbols.
Page 3 IMPORTANT SAFETY INSTRUCTIONS Improper operation or maintenance of this product could result in serious injury and property damage. Read and understand all warnings and operation instructions before using this equipment. WARNING: Risk of explosion or fire What Could Happen It is normal for electrical contacts within the motor and pressure switch to spark.
Page 4 WARNING: Risk of Bursting Air Tank: The following conditions could lead to a weakening of the tank, and result in a violent tank explosion and could cause property damage or serious injury. What Could Happen Failure to properly drain condensed water from tank, causing rust and thinning of the steel tank.
Page 5 WARNING: Risk of Electrical Shock What Could Happen Your air compressor is powered by electricity. Like any other electrically powered device, If it is not used properly it may cause electric shock. Repairs attempted by unqualified personnel can result in serious injury or death by electrocution.
Page 6 WARNING: Risk of Burns What Could Happen Touching exposed metal such as the compressor head or outlet tubes, can result in serious burns. WARNING: Risk from Moving Parts What Could Happen Moving parts such as the pulley, flywheel, and belt can cause serious injury if they come into contact with you or your clothing.
Page 7 WARNING: Risk of Unsafe Operation What Could Happen Unsafe operation of your air compressor could lead to serious injury or death to you or others. SAVE THESE INSTRUCTIONS HAZARD...
Page 8: Specifications
However, to prolong the life of your air compressor, it is recommended that a Accessories for this unit are available at the store the unit was purchased. D27042 SPECIFICATIONS C7550 240V 30 amps Time Delay 80 ASME, Vertical 140 PSIG 175 PSIG 15.6...
Page 9: Contents Of Carton
NOTE: Oil is included with some units. If oil is not included, use an oil specifically formulated for use in an air compressor, such as Porter-Cable PAS1 air compressor oil. Oil may be found at the store where the air compressor was purchased.
Page 10: Location Of The Air Compressor
D27042 INSTALLATION Place the air compressor on a solid, level surface. Mark the surface using the holes in the air compressor feet as a template. Drill holes in the surface for the concrete anchors. Install concrete anchors. Line-up holes in surface with holes in air compressor feet.
Page 11: Voltage And Circuit Protection
Wiring Instructions Risk of Electrical Shock. Improper electrical grounding can result in electrical shock. The wiring should be done by a qualified electrician A qualified electrician needs to knows the following before wiring: The amperage rating of the electrical box should be adequate.
Page 12: Air Distribution System
The next figure represents a typical air distribution system. The following are tips to remember when setting up the air compressor’s air distribution system. ● Use pipe that is the same size as the air tank outlet. Piping that is too small will restrict the flow of air.
Page 13: Know Your Air Compressor
"cut-out" pressure. Safety Valve: If the pressure switch does not shut off the air compressor at its "cut-out" pressure setting, the safety valve will protect against high pressure by "popping out" at its factory set pressure (slightly higher than the pressure switch "cut-out"...
Page 14: How To Use Your Unit
This procedure is required before the air compressor is put into service and when the check valve or a complete compressor pump has been replaced. Make sure the On/Auto/Off lever is in the "Off"...
Page 15: Before Each Start-Up
Check for excessive vibration. Readjust or shim air compressor feet, if necessary. After 20 minutes, close the globe valve. The air receiver will fill to "cut-out" pressure and the motor will stop.
Page 16: Customer Responsibilities
To ensure efficient operation and longer life of the air compressor, a routine maintenance schedule should be prepared and followed. The above routine maintenance schedule is geared to an air compressor in a normal working environment operating on a daily basis.
Page 17: To Drain Tank
NOTE: Use an oil specifically formulated for use in an air compressor, such as Porter-Cable PAS1 air compressor oil. Oil may be found at the store where the air compressor was purchased.
Page 18: Air Filter - Inspection And Replacement
Allow compressor to cool prior to servicing. Keep the air filter clean at all times. Do not operate the air compressor with the air filter removed. A dirty air filter will not allow the compressor to operate at full capacity. Keep the air filter clean at all times.
Page 19: Motor Pulley/Flywheel Alignment
1/16" to assure belt retention within flywheel belt grooves. To check alignment, perform the following steps: Turn air compressor off, lock out the power supply, and relieve all air pressure from the air tank. Remove belt guard.
Page 20: Service And Adjustments
When servicing, you may be exposed to voltage sources, compressed air, or moving parts. Before servicing unit unplug or disconnect electrical supply to the air compressor, bleed tank of pressure, and allow the air compressor to cool.
Page 21 Before you store the air compressor, make sure you do the following: Review the "Maintenance" section on the preceding pages and perform scheduled maintenance as necessary. Set the On/Auto/Off lever to "Off". Close the globe valve. Remove the air tool or accessory.
Page 22: Troubleshooting
Performing repairs may expose voltage sources, moving parts or compressed air sources. Personal injury may occur. Prior to attempting any repairs, unplug the air compressor and bleed off all air tank air pressure. PROBLEM Excessive tank Pressure switch does not...
Page 23 Decrease amount of air usage. Check the accessory air requirement. If it is higher than the SCFM or pressure supplied by your air compressor, you need a larger compressor. Check and replace if required. Remove and clean, or replace. Tighten fittings.
Page 24 PROBLEM Motor will not Motor overload protection run. switch has tripped. Tank pressure exceeds pressure switch "cut-in" pressure. Check valve stuck open. Loose electrical connections. Possible defective motor or starting capacitor. Paint spray on internal motor parts. Pressure release valve on pressure switch has not unloaded head pressure.
Page 25 PROBLEM Knocking Noise. Possible defect in safety valve. Defective check valve. Loose pulley. Loose flywheel. Compressor mounting screws loose. Loose belt. Carbon build-up in pump. Belt to tight. Excessive belt Loose belt. wear. Tight belt. Loose pulley. Pulley misalignment. Squealing Compressor pump has no sound.
Page 26: Limited Warranty
• Use reasonable care in the operation and maintenance of the product as described in the Owners Manual(s). • Deliver or ship the product to the nearest Porter-Cable Authorized Warranty Service Center. Freight costs, if any, must be paid by the purchaser.

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