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Crossfire PC 375 Owner's Manual

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PC 375
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.

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Summary of Contents for Crossfire PC 375

  • Page 1 PC 375 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.
  • Page 2 WARRANTY EFFECTIVE JULY 1, 2015 LIMITED WARRANTY This warranty applies to the original purchaser and is subject to the terms and condi�ons listed below. This Limited Warranty is for new equipment sold a�er the above date, providing coverage for defects in material and workmanship at the �me it is shipped from the factory. Limited to the warranty periods below, Crossfire Equipment or an approved Crossfire Repair Centre will repair or replace the item under warranty that fails due todefects in material and workmanship.

  • Page 3: Intended Use

    INTENDED USE The PC 375 is a DC Inverter Plasma Cutter. It is intended for use for cutting through steel, stainless steel, aluminum and other metals. This unit is designed to cut up to 3/8" steel at a travel speed of 10 inches per minute.

  • Page 4: General Safety Rules

    GENERAL SAFETY RULES Read and understand all instructions. Failure to follow all instructions listed WARNING: below may result in serious injury. CAUTION: Do not allow persons to operate or assemble this Plasma 375 unless they have read this manual and have developed a thorough understanding of how the Plasma 375 works.
  • Page 5 1.3 Use of Your Plasma Cutter Do not operate the plasma cutter if the torch is wet. Do not immerse the plasma torch. Do not stand in water while using this plasma cutter. These components and the plasma cutter must be completely dry before attempting to use it.
  • Page 6 -Work only in a well-ventilated area or use a ventilation device to remove plasma cutting fumes from the environment where you will be working. -Do not plasma cut on coated materials (galvanized, cadmium plated or containing zinc, mercury or barium). They will emit harmful fumes that are dangerous to breathe. If necessary use a ventilator, respirator with air supply or remove the coating from the material in the area to be cut.
  • Page 7 PC 375 operation. Replace or repair damaged or worn parts immediately. • Store idle PC 375. When PC 375 is notin use, store it in a secure place out of the reach of children. Inspect it for good working condition prior to storage and before re-use.

  • Page 8: Technical Specifications

    KNOW YOUR PLASMA CUTTER Description The PC 375 is an inverter based plasma cutter with thermal overload protection, a Trafimet torch and a built-in gas regulator. This easy to use plasma cutter has the power to cut up to 3/8 in. materials and a pilot arc that makes cutting expanded metal possible.
  • Page 9 Gas Pressure Display The built-in gas display is used for reading the output gas pressure when cutting. Gas Pressure Adjustor Used to adjust the gas pressure. The gas pressure can be read from the gas pressure display on the front panel. Normally, the pressure should be adjusted between 55-90psi. Work Indicator The work indicator will light when the torch trigger is pulled, indicating cutting current is activated.

  • Page 10: Installation

    INSTALLATION 1. POWER REQUIREMENT AC single phase 230V (220-240V) 60HZ fused with a 50amp time delayed fuse or circuit breaker is required. DO NOT OPERATE THIS UNIT if the ACTUAL power source voltage is less than 170 volts AC or greater than 250 volts AC. •...

  • Page 11: Operation

    Arc Start Cable Connection Ground Cable Cutting Torch Connection Connection Arc Start Cable Connection OPERATION High voltage danger from power source! Consult a qualified electrician for properinstallation of receptacle at the power source. This cutter must be grounded while in use to protect the operator from electrical shock.
  • Page 12 2. CUTTING OPERATION 2.1. Metal Sheet Cutting - Put the torch’s nozzle at the start of the work piece. Turn on the torch switch to ignite the plasma pilot. After the work piece is cut thorough, move the torch along the cutting direction uniformly. The cutting speed is determined by watching to see if the cutting goes all the way through.
  • Page 13 3. Safety Requirements - Never allow the torch to be aimed at any part of a body. - Make sure to wear protective glasses and gloves while operating. - Work only in well-ventilated areas. If necessary, use exhaust/ventilation fans to keep fumes or emissions away from the breathing zone.

  • Page 14: Troubleshooting

    TROUBLESHOOTING SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION Unit Does Not Power Up Unit Is Not Plugged In Plug In Unit Input Power Circuit Breaker Not On Reset Input Power Circuit Breaker Main Power Switch Is Defective Replace Main Power Switch No Pilot Arc Low Air Supply Pressure Check Air Supply Adjust Air Regulator, So The Gas...
  • Page 15 Circuit Chart Page of 15...

  • Page 16: Diagram & Parts List

    DIAGRAM & PARTS LIST 2 6 2 5 2 4 Reference # Part# Description Qty. 2.05.08.019 HANDLE 1.1.01.01.0226 ENCLOSURE 2.05.17.020 POWER CORD HOLDER 2.07.80.213 MAIN SWITCH 1.1.02.02.0414 GAS VALVE CONNECTOR 2.04.30.102 POWER CORD HOLDER Page of 15...
  • Page 17 Reference # Part# Description Qty. 2.03.05.275 POWER CORD 2.07.55.104 GAS VALVE 1.1.02.02.0408 GAS CONNECTOR II 1.1.02.01.1303 GAS VALVE BOARD 1.2.07.02.0540 GAS VALVE 1.1.02.01.1302 MIDDLE BOARD 2.05.05.039 PLASTIC PANEL 2.07.37.501 RECTIFIER 2.07.89.400 1.1.01.03.0855 FAN BRACKET 1.1.05.05.0037 HEAT SINK PC BOARD 1.1.01.04.0247 BOTTOM 2.05.05.016 FEET...

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