Matco Tools MPPC70DV Owner'S Manual Download Page 4

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-Wear proper gloves and protective clothing to 

prevent your skin from being exposed to hot 

metals, UV and IR rays. 

-Do not overuse or overheat your plasma 

cutter. Allow proper cooling time between duty 

cycles. 

-Keep hands and fingers away from moving 

parts. 

- Do not point the plasma torch at any body part 

or at anyone else. 

-Always use this plasma cutter in the rated duty 

cycle to prevent excessive heat and failure. 

 

1.4  Specific  Areas  of  Danger,  Caution  or 
Warning 

  Electrical Shock 

 

Plasma cutters can produce a 

shock that can cause injury or 

death. Touching electrically live parts can 

cause fatal shocks and severe burns. While 

cutting, all metal components connected to the 

wire are electrically hot. Poor ground 

connections are a hazard, so secure the 

ground lead before cutting. 

-Wear dry protective apparel: coat, shirt, gloves 

and insulated footwear. 

-Insulate yourself from the work piece. Avoid 

contacting the work piece or ground. 

- Do not attempt to repair or maintain the 

plasma cutter while the power is on. 

-Inspect all cables and cords for any exposed 

wire and replace damaged or wore cables 

immediately. 

-Use recommended replacement cables and 

cords. 

-Always attach the ground clamp to the work 

piece or worktable as close to the cutting area 

as possible. 

-Do not touch the torch and the ground or grounded work 

piece at the same time. 

Fumes and Gases 

 

-Fumes emitted from the plasma 

cutting process displace clean air and 

can result in injury or death. 

-Do not breathe in fumes emitted by the plasma 

cutting process. Make sure your breathing air is 

clean and safe. 

-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. 

-The fumes emitted from some metals when 

heated are extremely toxic. Refer to the 

material safety data sheet for the 
manufacturer’s instructions. 
-Do not weld/cut near materials that will emit 

toxic fumes when heated. Vapors from 

cleaners, sprays and degreasers can be highly 

toxic when heated. 

UV and IR Arc Rays 

 

The plasma cutting arc produces 

ultraviolet (UV) and infrared (IR) 

rays that can cause injury to your eyes and 

skin. Do not look at the plasma cutting arc 

without proper eye protection. 

- Always use safety glasses, a shield or a 

helmet that meets ANSI Z49.1 standard for 

plasma cutting. 

- Cover all bare skin areas exposed to the arc 

with protective clothing and shoes. Flame-

retardant cloth or leather shirts, coats, pants or 

coveralls are available for protection. 

-Use screens or other barriers to protect other 

people from the arc rays emitted from your 

plasma cutting arc. 

-Warn people in your cutting area when you are 

going to strike an arc so they can protect 

themselves. 

Fire Hazards 

 

Do not cut on containers or pipes that 

contain or have had flammable, 

Summary of Contents for MPPC70DV

Page 1: ...A CUTTER OWNER S MANUAL 11 2019 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 MPPC70DV ...

Page 2: ...cover are considered consumable items and are not covered under warranty 1 Year Accessories Warranty Parts and Labor on MIG gun parts except those listed under normal wear items cables regulator and plasma torch except those listed under normal wear items are covered for 1 year Any shipping related to warranty repair is the responsibility of the customer 2 Year Welder Warranty The 2 year warranty ...

Page 3: ...fied technician in accordance with local state and national codes Always be aware of your work environment Be sure to keep other people especially children away from you while you are cutting Keep harmful arc rays shielded from the view of others Mount the plasma cutter on a secure bench or cart that will keep the plasma cutter secure and prevent it from tipping over or falling 1 2 Your Plasma Cut...

Page 4: ... air and can result in injury or death Do not breathe in fumes emitted by the plasma cutting process Make sure your breathing air is clean and safe 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...

Page 5: ... or shield a welder s hat and ear plugs to keep sparks out of ears and hair Electromagnetic Field Electromagnetic fields can interfere with various electrical and electronic devices such as pacemakers Consult your doctor before using any plasma cutting device Keep people with pacemakers away from your plasma cutting area while cutting Do not wrap cable around your body while plasma cutting Wrap pl...

Page 6: ...Output Range 120V 15A 23A 230V 15A 45A Duty Cycle 120V 35 23A 230V 40 45A Compressed Air Required 4 5 CFM 60psi DO NOT SUPPLY MORE THAN 100psi Dimensions 18 58 x 7 32 x 13 46 Weight 22 93 lbs DESCRIPTION The Matco Tools MPPC70 is a Dual Voltage DC Inverter Plasma Cutter It uses new state of the art technology The output can be adjusted from 15 to 45 Amps This unit is designed to cut up to 11 16 st...

Page 7: ...timal setting for a more exact cut AIR PRESSURE ADJUSTOR It is used to adjust the air pressure The air pressure can be read from the air pressure display on the back panel Normally when operating on 230V power the pressure should be adjusted between 50 80psi When operating on 120V power the pressure should be adjusted between 45 65 psi POWER INDICATOR LIGHT This light will turn on when the input p...

Page 8: ...al air water separator POWER SWITCH The Power Switch allows input power to the machine components After the machine is connected to the input power supply turn on this switch The power indicator on the front panel will turn on POWER CORD AND PLUG Plug this unit into a 230V 50A circuit breaker power supply when operating on 230V If running on 120V power using the supplied 120V power cord adapter pl...

Page 9: ...onnection See Figure 3 c Connect the Grounding Cable to the ground connection See Figure 3 d Connect the Ground Clamp to your workpiece e Connect your compressed air source to the air connection on this unit s back panel Figure 3 OPERATION High voltage danger from power source Consult a qualified electrician for proper installation of receptacle at the power source This plasma cutter must be groun...

Page 10: ...be sure it is consistent e Pull the torch trigger The cutting operation begins after the cutting plasma pilot arc is made 2 CUTTING OPERATION 2 1 Metal Sheet Cutting a 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 through move the torch along the cutting direction uniformly The cutting speed is determined by wa...

Page 11: ...lasses and gloves while operating c Work only in well ventilated areas If necessary use exhaust ventilation fans to keep fumes or emissions away from the breathing zone d Do not touch the work piece while cutting e Do not cut pipes containers or other materials that contain or have ever contained flammable or explosive materials f Do not work underwater or in wet moist environments g Do not bend t...

Page 12: ...he torch will need to be replaced Install an air dryer to your compressed air supply to prevent corrosion of the torch head Arc start circuit defective For assistance contact Matco customer service at 855 920 2399 Control circuit board is defective Replace control circuit board Control transformer defective Replace control transformer Have pilot arc but cutting arc does not ignite Work piece is pa...

Page 13: ...Page 13 of 16 2004058 12 MAIN CIRCUIT DIAGRAM ...

Page 14: ...Page 14 of 16 2004058 12 PARTS DIAGRAM ...

Page 15: ...PLATE 1 16 165400017 FRONT REAR BEZEL 1 17 105400071 AMPERAGE ADJUSTMENT POTENTIOMETER 1 18 165400024 FACE PLATE SUPPORT 1 19 165400025 FRONT PANEL SUPPORT 1 20 105400154 GROUND CONNECTORY COVER 1 21 165400026 TORCH CONNECTOR 1 22 165400027 FACE PLATE PCB 1 23 165400028 COPPER TERMINAL 1 24 105400058 GAS SOLENOID VALVE 1 25 165400029 PRESSURE SWITCH 1 26 165400030 AC REACTOR 1 27 165400031 VALVE C...

Page 16: ...Page 16 of 16 2004058 12 Distributed by Matco Tool 4403 Allen Road Stow OH 44224 ww w m a t c o t o o l s c o m Made in China to Matco specifications ...

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