MasterCraft Maximum Instruction Manual
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MasterCraft Maximum Instruction Manual

5 u.s. gallons (18.9 l) - 150 psi (max)
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INSTRUCTION MANUAL
058-9308-0

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  • Page 1 INSTRUCTION MANUAL 058-9308-0...
  • Page 2 If any parts are missing or damaged, or if you have any questions, please call 1-800-689-9928. Quick Start Guide Read and understand this instruction manual thoroughly before using the product. It contains important information for your safety as well as operating and maintenance advice.
  • Page 3 STEP 1 Place the compressor (1) on a flat, even, concrete floor surface or separate concrete 125 150 foundation. Locate the compressor near a grounded electrical outlet (2). page 13, steps 1-2 MC-589308-03 STEP 2 Make sure the drain valves at the bottom of the tanks are closed.
  • Page 4 STEP 3 Plug the power cord (1) into the electrical outlet. Turn the ON/OFF switch (2) to the AUTO position. Let the motor run. page 16, steps 3-4 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12 MC-589308-12...

  • Page 5: Technical Specifications

    QUICK START GUIDE TECHNICAL SPECIFICATIONS SAFETY GUIDELINES 4–9 KEY PARTS DIAGRAM IMPORTANT INFORMATION 11–12 ASSEMBLY INSTRUCTIONS OPERATING INSTRUCTIONS 14–17 MAINTENANCE 18–20 TROUBLESHOOTING 21–22 EXPLODED VIEW PARTS LIST WARRANTY 25–26 5 U.S. GALLONS (18.9 L) AIR COMPRESSOR 058-9308-0...

  • Page 6: Air Delivery

    RUNNING HORSEPOWER POWER 120 V, 60 Hz, 12 A COMPRESSOR TYPE Oil-less TANK TYPE Black twin tank (18.9 L) TANK SIZE 5 U.S. gallons MOTOR Induction (8.27 bar) CUT-IN PRESSURE 120 PSI CUT-OFF PRESSURE 150 PSI (10.34 bar) 5 CFM* @ 40 PSI** AIR DELIVERY 4 CFM* @ 90 PSI** (23.6 kg)

  • Page 7: Safety Guidelines

    Safety guidelines This manual contains information that relates to PROTECTING PERSONAL SAFETY and PREVENTING EQUIPMENT PROBLEMS. It is very important to read this manual carefully and understand it thoroughly before using the product. The symbols listed below are used to indicate this information. DANGER! Potential hazard that will result in serious injury or loss of life.
  • Page 8 DANGER! Potential hazard that will result in serious injury or loss of life. • Keep bystanders, children and visitors away from the work area while operating the compressor. Do not allow children to handle the compressor. Distractions can affect the control of the compressor. •...
  • Page 9 Risk of bursting: Make sure the safety relief valve installed in the tank • complies with ASME code and has a setting not higher than maximum working pressure. Never attempt to adjust the safety relief valve. Keep the valve free from paint and other accumulations.
  • Page 10 CAUTION! Potential hazard that may result in moderate injury or damage to equipment. • Do not wear watches, rings, bracelets or loose clothing when using the compressor. Keep your hair, clothing and gloves away from moving parts. • Use the compressor only for its intended purpose. Do not alter or modify the compressor from its original design or function.
  • Page 11 SAFETY INSTRUCTIONS FOR USING THE AIR TOOL • The air tool is not a toy. Careless and improper use of the air tool may result in a serious accident. • Never leave or store the tool with the air hose attached to avoid accidental starting of the tool and serious personal injury.

  • Page 12: Electrical Safety

    ELECTRICAL SAFETY Grounding instructions: In the event of a malfunction or breakdown, grounding provides the path of least resistance for electrical current in order to reduce the risk of electric shock. This tool is equipped with an electric cord that has a grounding wire and a grounding plug (1).
  • Page 13 MC-589308-02 Description Description Motor Power cord Air filter Check valve Air tank Air line outlet Drain valve Safety relief valve Outlet pressure gauge ON/OFF switch Pressure regulator knob Grip handle Tank pressure gauge 5 U.S. GALLONS (18.9 L) AIR COMPRESSOR 058-9308-0...

  • Page 14: General Use

    General use ® This Mastercraft Maximum 5 U.S. Gallons (18.9 L) Air Compressor is designed to provide compressed air to power air tools. This compressor is provided with an ON/OFF switch, an air tank and a motor with automatic reset thermal overload protector.

  • Page 15: Thermal Overload Protector

    Safety relief valve This valve automatically gets activated if the compressor does not shut down automatically due to high pressure in the air tank. To operate manually, pull the relief valve ring to relieve air pressure in the tank. Tank pressure gauge The gauge indicates the pressure level of stored air in the air tank.

  • Page 16: Before Assembly

    Before assembly • Unpack the carton and take out the air compressor. Make sure all parts are present. Inspect the unit for damage. • If any part is missing or damaged, do not attempt to assemble the product. Contact customer service for replacement parts.

  • Page 17: Break-In Procedure

    Break-in procedure WARNING! Potential hazard that could result in serious injury or loss of life. • Do not touch the compressor while operating, as the motor will be very hot. Allow the compressor to cool before handling or servicing it to avoid skin burns or other injuries.
  • Page 18 CAUTION! Potential hazard that may result in moderate injury or damage to equipment. • Wear safety glasses when opening the drain valves, as the air and moisture released from the tank can propel debris that may cause eye injury. 3. Turn the pressure regulator knob (1) fig D counter-clockwise to reduce the (fig D)

  • Page 19: Start-Up Procedure

    WARNING! Potential hazard that could result in serious injury or loss of life. • Check the manufacturer's maximum pressure rating for air tools and accessories. The outlet pressure must never exceed the maximum pressure rating of the air tool. •...

  • Page 20: Shutdown Procedure

    Shut down procedure 1. Turn the ON/OFF switch (1) to the OFF fig J position. Turn OFF the power supply and unplug the power cord (2) from the (fig J) electrical outlet MC-589308-12 2. Reduce the pressure in the tank through fig K the air hose.

  • Page 21: General Maintenance

    • Do not use a damaged tool. If abnormal noise or vibration occurs, rectify the problem before use. • Have the compressor repaired by an authorized service person. MAXIMUM SERVICE INTERVAL DESCRIPTION COMPONENTS Daily Weekly Monthly To drain moisture...

  • Page 22: Replacing The Air Filter

    Checking the safety relief valve 1. Turn ON the power supply to the compressor and allow the motor to run until cut-off pressure is reached. 2. Pull the relief valve ring to check whether it is operating properly and to clear possible obstructions of the valve.

  • Page 23: Testing For Leaks

    Testing for leaks Check that all connections are tight. Small leaks in the tank, hoses, connections or transfer tubes will substantially reduce the compressor performance. Spray a small amount of soapy water around the area of suspected leaks. If bubbles appear, repair, replace or reseal the faulty component. Do not overtighten any connections.

  • Page 24: Troubleshooting

    Troubleshooting WARNING! Potential hazard that could result in serious injury or loss of life. • Always shut OFF the compressor, remove the power plug from the electrical outlet, and release all pressure from the air system, before attempting to install, service, relocate or perform any maintenance in the compressor. •...
  • Page 25 PROBLEM POSSIBLE CAUSES SOLUTIONS 1. The power cord is not plugged in. 1. Plug the power cord into a grounded outlet. 2. The ON/OFF switch is in the OFF 2. Set the ON/OFF switch to the ON position. position. 3. The motor’s thermal overload 3.
  • Page 26 MC-589308-14 5 U.S. GALLONS (18.9 L) AIR COMPRESSOR 058-9308-0...
  • Page 27 Description Description Control panel Air tank Tank pressure gauge Rubber foot Bolt, M4 x 10 Drain valve Quick connector Hexagon nuts with flange, M6 x 20 Pressure regulator knob Anchor nut Outlet pressure gauge Check valve Tube Power cord Back shroud ON/OFF switch Air filter Safety relief valve...

  • Page 28: Year Limited Warranty

    3-Year Limited Warranty This Mastercraft Maximum product is guaranteed for a period of 3 years from the date of original retail purchase against defects in workmanship and materials. Subject to the conditions and limitations described below, this product, if returned to us with proof of purchase within...

  • Page 29: Additional Limitations

    h. this warranty will not apply to normal deterioration of the exterior finish, such as, but not limited to, scratches, dents, paint chips, or to any corrosion or discolouring by heat, abrasive and chemical cleaners; and this warranty will not apply to component parts sold by and identified as the product of another company, which shall be covered under the product manufacturer’s warranty, if any.

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