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INSTRUCTION MANUAL
Oillube Air Compressor
with Single-Stage Pump
(66-750)
PART NO. D26269 Rev. 0
Copyright © 2002 Delta Machinery
To learn more about DELTA MACHINERY
ESPAÑOL: PÁGINA 31
visit our website at: www.deltamachinery.com.
FRANÇAIS: PAGE 61
For Parts, Service, Warranty or other Assistance,
please call 1-866-422-4286.
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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. Indicates an Indicates a imminently hazardous potentially hazardous situation which, if not avoided, will situation which, if not avoided, may result in death or serious inju
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IMPORTANT SAFETY INSTRUCTIONS Save these 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. HAZARD WARNING: Risk of explosion or fire What Could Happen How To Prevent It It is normal for electrical contacts within Always operate the compressor in a well the motor and pressure switch to spark. ventilated area free of combustible materials, gasoli
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HAZARD 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 How To Prevent It 1. Failure to properly drain Drain tank daily or after each use. If tank develops a leak, replace it condensed water from tank, causing rust and thinning of the immediately with a new tank or replace the entire compressor. steel tank. 2. Modifications or attempted re
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HAZARD WARNING: Risk of Electrical Shock WHAT CAN HAPPEN HOW TO PREVENT IT Never operate the compressor outdoors Your air compressor is powered by when it is raining or in wet conditions. electricity. Like any other electrically powered device, If it is not used properly Never operate compressor with it may cause electric shock. protective covers removed or damaged. Repairs attempted by unqualified Any electrical wiring or repairs required personnel can result in serious injury or on this produc
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HAZARD WARNING: RISK OF BURNS WHAT CAN HAPPEN HOW TO PREVENT IT Touching exposed metal such as the Never touch any exposed metal parts on compressor during or immediately compressor head or outlet tubes, can after operation. Compressor will remain result in serious burns. hot for several minutes after operation. Do not reach around protective shrouds or attempt maintenance until unit has been allowed to cool. HAZARD WARNING: RISK FROM MOVING PARTS WHAT CAN HAPPEN HOW TO PREVENT IT Moving parts s
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HAZARD WARNING: RISK OF SERIOUS INJURY OR PROPERTY DAMAGE WHEN TRANSPORTING COMPRESSOR (Fire, Inhalation, Damage to Vehicle Surfaces) WHAT CAN HAPPEN HOW TO PREVENT IT Oil can leak or spill and could result in Always place COMPRESSOR on a fire or breathing hazard; serious injury or protective mat when transporting to death can result. oil leaks will damage protect against damage to vehicle from carpet, paint or other surfaces in vehicles leaks. Remove COMPRESSOR from or trailers. vehicle immedi
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GLOSSARY Become familiar with these terms before operating the unit. CFM: Cubic feet per minute. SCFM: Standard cubic feet per minute; a unit of measure of air delivery. PSIG: Pounds per square inch gauge; a unit of measure of pressure. Code Certification: Products that bear one or more of the following marks: UL, CUL, ETL, CETL, have been evaluated by OSHA certified independent safety laboratories and meet the applicable Underwriters Laboratories Standards for Safety. Cut-In Pressure: While th
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ASSEMBLY Tools Required for Assembly 1 - 9/16" socket or open end wrench 1 - electric drill Unpacking 1. Remove all packaging. It may be necessary to brace or support one side of the outfit when removing the pallet because the air compressor will have a tendency to tip. 2. Remove and discard the (4) screws and washers holding the compressor to the pallet. 3. With the help of another person carefully remove air compressor from pallet and place on a level surface. To Add Oil To Pump Compressors a
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INSTALLATION HOW TO SET UP YOUR UNIT Location of the Air Compressor • Locate the air compressor in a clean, dry, and well ventilated area. Locate the air compressor at least 12" away from the wall or other obstructions that will interfere with the flow of air. Locate the air compressor as close to the main power supply as possible to avoid using long lengths of electrical wiring. NOTE: Long lengths of electrical wiring could cause power loss to the motor. The air filter must be kept clea
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Wiring Instructions RISK OF ELECTRICAL SHOCK. Improper electrical grounding can result in electrical shock. The wiring should be done by a qualified electrician to comply with national and local electrical codes. A qualified electrician needs to knows the following before wiring: 1. The amperage rating of the electrical box should be adequate. Refer to the product specifications, found in the front of this manual, for this information. 2. The supply line should have the same electrical characte
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Use pipe that is the same size as the air tank outlet. Piping that is too small will restrict the flow of air. If piping is over 100 feet long, use the next larger size. Bury underground lines below the frost line and avoid pockets where condensation can gather and freeze. Apply pressure before underground lines are covered to make sure all pipe joints are free of leaks. A flexible coupling is recommended to be installed between the air discharge outlet and main air distribution line t
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OPERATION Know Your Air Compressor READ THIS OWNER’S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR UNIT. Compare the illustrations with your unit to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. Description of Operation Become familiar with these controls before operating the unit. On/Auto/Off Switch: Turn this switch Pressure ON to provide automatic power to the Switch pressure switch and OFF to remove power at the end of eac
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Check Valve: When the air compressor is operating, the check valve is "open", allowing compressed air to enter the air tank. When the air compressor reaches "cut-out" pressure, the check valve "closes", allowing air pressure to remain inside the air tank. Pressure Release Valve: The pressure release valve, located on the side of the pressure switch, is designed to automatically release compressed air from Pressure the compressor head and the outlet tube Release Valve when the air compressor rea
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2. Recheck all wiring. Make sure wires are secure at all terminals connections. Make sure all contacts move freely and are not obstructed. 3. Open the globe valve fully to permit air to escape and prevent air pressure build up in the air tank during the break-in period. 4. Move the On/Auto/Off lever to "ON/AUTO" position. The compressor will start. 5. Run the compressor for 20 minutes. Make sure the globe valve is open and there is minimal air pressure build-up in tank. 6. Check all air line fit
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MAINTENANCE Customer Responsibilities Daily or Before Every Every Every Every after each Yearly 8 40 100 160 each use hours hours hours hours use Check Safety Valve Drain Tank Oil Leaks Check Oil Change Oil Unusual Noise and/or Vibration 1 Air Filter Drive Belt -Condition Motor Pulley/Flywheel alignment Air compressor pump intake and exhaust valves Inspect air lines and fittings for leaks 1- more frequent in dusty or humid conditions Unit cycles automatically when power is
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To Drain Tank 1. Set the On/Auto/Off lever to “OFF”. 2. Close the globe valve. 3. Remove the air tool or accessory. 4. Open the globe valve and allow the air to slowly bleed from the air tank until tank pressure is approximately 20 psi. 5. Close the globe valve. 6. Drain water from air tank by opening drain valve (counter-clockwise) on bottom of tank. Water will condense in the air tank. If not drained, water will corrode and weaken the air tank causing a risk of air tank rupture. 7. After the
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Air Filter - Inspection and Replacement Hot surfaces. Risk of burn. Compressor heads are exposed when filter cover is removed. 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 pump to operate at full capacity. Before using the compressor pump, check the air filter to make sure it is clean and in place. If it is dirty, replace it with a new filter.
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7. Visually inspect the motor drive pulley to verify that it is perpendicular to the drive motor shaft. Points B1 and B2 of Figure should appear to be equal. If they are not, loosen the set screw of the motor drive pulley and equalize B1 and B2, using care not to disturb the belt alignment performed in step 2. 8. Retighten the motor drive pulley set screw to 70-80 in.-lbs. 9. Reinstall belt guard. Air Compressor Pump Intake and Exhaust Valves Once a year have a Trained Service Technician check
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To Replace or Clean Check Valve 1. Release all air pressure from air tank. See "To Drain Tank" in the Maintenance section. 2. Unplug unit. Outlet Tube 3. Using an adjustable wrench loosen outlet tube nut at air tank and pump. Pressure Carefully move outlet tube away from Relief Tube check valve. 4. Using an adjustable wrench loosen pressure relief tube nut at air tank and pressure switch. Carefully move Nuts pressure relief tube away from check valve. Check Nuts 5. Unscrew the check valve (turn
