Powermax Plasma Arc Cutting Systems Service Manual
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Questions and Answers

What is the purpose of screening and shielding in plasma cutting installations?

  • To void the warranty
  • To increase interference problems
  • To minimize safety risks
  • To reduce interference problems (correct)
  • Using genuine Hypertherm parts is recommended to ensure warranty coverage.

    True

    What is the duration of the warranty for the plasma power supply from Hypertherm?

    2 years

    In no event shall Hypertherm's liability exceed the ______ paid for the Products that gave rise to the claim, as stated in the document.

    <p>amount</p> Signup and view all the answers

    What is one of Hypertherm's core values related to environmental impact?

    <p>Environmental stewardship</p> Signup and view all the answers

    What should be considered when installing and using plasma equipment?

    <p>All of the above</p> Signup and view all the answers

    The cutting equipment should only be used in industrial environments.

    <p>True</p> Signup and view all the answers

    To reduce emissions, the cutting equipment must be connected to the mains supply according to the ____ recommendations.

    <p>manufacturer's</p> Signup and view all the answers

    Match the following components to their descriptions:

    <p>Earthing of the workpiece = Connection bonding the workpiece to earth to reduce emissions Equipotential bonding = Bonding of all metallic components in the cutting installation and adjacent to it Cutting cables = Should be kept short and positioned close together</p> Signup and view all the answers

    What type of gas can the Powermax systems use to cut electrically conductive metals?

    <p>Nitrogen</p> Signup and view all the answers

    What technology in the Powermax systems automatically adjusts gas pressure for optimum cutting?

    <p>Smart Sense™ technology</p> Signup and view all the answers

    Match the Powermax system with its cutting specifications:

    <p>Powermax65 = 1 inch cutting thickness, 5/8 inch pierce thickness Powermax85 = 1-1/4 inches cutting thickness, 3/4 inch pierce thickness</p> Signup and view all the answers

    FastConnect™ allows for a complicated torch connection process.

    <p>False</p> Signup and view all the answers

    To operate the Powermax65 on 1-phase power, you need to install an appropriate _________.

    <p>power cord</p> Signup and view all the answers

    For the Powermax65 CSA model power supply with 1-phase power, what type of power cord needs to be installed?

    <p>8 AWG 3-wire power cord</p> Signup and view all the answers

    What is recommended when connecting the power cord to the Powermax65 CSA model for 1-phase power?

    <p>licensed electrician</p> Signup and view all the answers

    The CE/CCC model of the Powermax65 supports both single-phase and three-phase power.

    <p>False</p> Signup and view all the answers

    What power value must the equipment be connected to, according to the content?

    <p>2035 KVA</p> Signup and view all the answers

    What warning is given about using Class A equipment in residential locations?

    <p>May have electromagnetic compatibility difficulties</p> Signup and view all the answers

    The __ cutting specifications state a recommended cut capacity of 1 in (25 mm) at 20 ipm (500 mm/min).

    <p>Powermax65</p> Signup and view all the answers

    Match the torch angle with its corresponding torch dimensions:

    <p>75° angle = 9.9 in (25.2 cm) 15° angle = 10.2 in (25.9 cm) 180° full-length = 15.6 in (39.6 cm) 180° mini = 6.6 in (16.8 cm)</p> Signup and view all the answers

    What does the 'O' symbol represent in the document in relation to 'Direct current (DC)' and 'Alternating current (AC)'?

    <p>Power is OFF</p> Signup and view all the answers

    What is the characteristic of the volt/amp curve for 'Plate metal cutting'?

    <p>Drooping</p> Signup and view all the answers

    Match the following items with their corresponding descriptions:

    <p>Gouging = System fault (LED) AC input power connection = Inlet gas pressure fault (LCD) The terminal for the external protective (earth) conductor = Missing or loose consumables (LCD)</p> Signup and view all the answers

    What is the minimum amount of space required around the power supply for proper ventilation?

    <p>10 inches (0.25 m)</p> Signup and view all the answers

    Slow-blow fuses are recommended due to the variable current draw during startup.

    <p>True</p> Signup and view all the answers

    Study Notes

    Environmental Stewardship

    • Hypertherm's core values include environmental stewardship, and the company strives to reduce its environmental impact.

    Service Manual

    • The Powermax65 and Powermax85 service manual has a revision number of 3 and was published in April 2018.
    • The manual is published by Hypertherm Inc., located in Hanover, NH, USA.

    Contact Information

    • Hypertherm Inc. contact information:
    • Hypertherm also has offices in Europe, Asia, and Latin America, with contact information provided.

    Electromagnetic Compatibility (EMC)

    • Hypertherm's equipment is built in compliance with standard EN60974-10.
    • The equipment should be installed and used in accordance with the manufacturer's instructions to achieve electromagnetic compatibility.
    • Methods of reducing emissions include:
      • Shielding the supply cable of permanently installed cutting equipment
      • Earthing the cutting circuit
      • Using associated input filters
    • The user is responsible for resolving any electromagnetic disturbances that may occur.

    Safety and Compliance

    • The user is responsible for ensuring the safe use of the product in their environment.
    • The user should ensure that other equipment being used in the environment is compatible with the Hypertherm product.
    • Genuine Hypertherm parts are recommended to ensure the safe use of the product.

    Warranty

    • Hypertherm warrants its products to be free from defects in materials and workmanship for specific periods of time.
    • The warranty period varies depending on the product, ranging from 6 months to 3 years.
    • The warranty does not apply to products that have been used with phase converters, incorrectly installed, modified, or damaged.
    • Hypertherm's liability is limited to the repair, replacement, or adjustment of defective products.

    Limitation of Liability

    • Hypertherm's liability is limited to the amount paid for the product that gave rise to the claim.

    • Hypertherm is not liable for any incidental, consequential, direct, indirect, punitive, or exemplary damages.

    • The user is responsible for maintaining insurance to defend and hold Hypertherm harmless in the event of any cause of action arising from the use of the products.### Transfer of Rights

    • The transfer of rights is only allowed in connection with the sale of all or substantially all assets or capital stock to a successor in interest.

    • The successor in interest must agree to be bound by all terms and conditions of the Warranty.

    • Written notification to Hypertherm is required within thirty (30) days before the transfer occurs.

    • Hypertherm reserves the right to approve or disapprove the transfer.

    • Failure to notify Hypertherm and obtain approval will render the Warranty null and void.

    Safety and Compliance

    • It is essential to read the safety instructions in the product's manual and the Safety and Compliance Manual (80669C) before operating any Hypertherm equipment.
    • Failure to follow safety instructions can result in personal injury or equipment damage.
    • Product manuals are available in electronic and printed formats and may accompany the product.
    • Copies of manuals can be obtained from the "Documents library" at www.hypertherm.com in all languages available for each manual.### Powermax65 and Powermax85 Overview
    • Highly portable, handheld, and mechanized plasma cutting systems for a wide range of applications
    • Use air or nitrogen to cut electrically conductive metals, such as mild steel, stainless steel, or aluminum
    • Smart Sense technology automatically adjusts gas pressure according to cutting mode and torch lead length for optimum cutting

    Powermax65 Specifications

    • Can cut thicknesses up to 1 inch (25 mm) with a handheld torch and pierce thicknesses up to 5/8 inch (16 mm)
    • Typical handheld system includes a Duramax series 75° hand torch with a consumables box and work lead cable

    Powermax85 Specifications

    • Can cut thicknesses up to 1-1/4 inches (32 mm) and pierce thicknesses up to 3/4 inch (19 mm)
    • Typical mechanized system includes a Duramax series 180° full-length machine torch with a consumables box, work lead cable, and remote-start pendant

    Component Weights

    • Power supply: 54.1 lbs (24.5 kg) for 65 A CSA, 47.0 lbs (21.3 kg) for 65 A CE/CCC, 59.9 lbs (27.2 kg) for 85 A CSA, 50.4 lbs (22.8 kg) for 85 A CE/CCC
    • Hand torch: 6.8 lbs (3.1 kg) for 25 ft (7.6 m), 12.2 lbs (5.5 kg) for 50 ft (15 m), 17.6 lbs (8.0 kg) for 75 ft (23 m)
    • Machine torch: 7.6 lbs (3.4 kg) for 25 ft (7.6 m), 13.2 lbs (6.0 kg) for 50 ft (15 m), 18.8 lbs (8.5 kg) for 75 ft (23 m)
    • Work lead: 2.8 lbs (1.3 kg) for 25 ft (7.6 m), 5.0 lbs (2.3 kg) for 50 ft (15 m), 6.9 lbs (3.1 kg) for 75 ft (23 m)

    Power Supply Ratings

    • Powermax65: rated open-circuit voltage (U0) of 296 VDC for CSA, 270 VDC for CE/CCC; rated output current (I2) of 20-65 A; duty cycle at 40°C (104°F) of 50% @ 65 A, 230-600 V, 1/3 PH
    • Powermax85: rated open-circuit voltage (U0) of 305 VDC for CSA, 270 VDC for CE/CCC; rated output current (I2) of 25-85 A; duty cycle at 40°C (104°F) of 60% @ 85 A, 230-600 V, 3 PH

    Gas Requirements

    • Gas type: air or nitrogen
    • Gas quality: clean, dry, oil-free per ISO 8573-1 Class 1.2.2
    • Recommended gas inlet flow rate/pressure: 400 scfh, 6.7 scfm (190 slpm) @ 85 psi (5.9 bar) for cutting; 450 scfh, 7.5 scfm (210 slpm) @ 70 psi (4.8 bar) for gouging

    Torches

    • Duramax 75° hand torch dimensions: 9.9 in (25.2 cm) length, 2.6 in (6.6 cm) width, 3.8 in (9.8 cm) height
    • Duramax 15° hand torch dimensions: 10.2 in (25.9 cm) length, 2.6 in (6.6 cm) width, 3.8 in (9.8 cm) height
    • Duramax 180° full-length machine torch dimensions: 15.6 in (39.6 cm) length, 1.4 in (3.5 cm) width, 12.3 in (31.3 cm) height
    • Duramax 180° mini machine torch dimensions: 6.6 in (16.8 cm) length, 1.4 in (3.5 cm) width, 3.3 in (8.4 cm) height

    Cutting Specifications

    • Powermax65 cutting specifications:
      • Handheld cut capacity: 3/4 in (19 mm) at 20 ipm (500 mm/min), 1 in (25 mm) at 10 ipm (250 mm/min)
      • Pierce capacity: 5/8 in (16 mm) for handheld cutting or mechanized cutting with torch height control, 1/2 in (12 mm) for mechanized cutting without torch height control
      • Maximum cut speed: 145 ipm (4000 mm/min) for 1/4 in (6 mm), 50 ipm (1400 mm/min) for 1/2 in (12 mm), 24 ipm (600 mm/min) for 3/4 in (19 mm), 12 ipm (320 mm/min) for 1 in (25 mm)
    • Powermax85 cutting specifications:
      • Handheld cut capacity: 1 in (25 mm) at 20 ipm (500 mm/min), 1-1/4 in (32 mm) at 10 ipm (250 mm/min)
      • Pierce capacity: 3/4 in (19 mm) for handheld cutting or mechanized cutting with torch height control, 5/8 in (16 mm) for mechanized cutting without torch height control
      • Maximum cut speed: 200 ipm (5500 mm/min) for 1/4 in (6 mm), 70 ipm (2000 mm/min) for 1/2 in (12 mm), 36 ipm (900 mm/min) for 3/4 in (19 mm), 21 ipm (550 mm/min) for 1 in (25 mm), 13 ipm (330 mm/min) for 1-1/4 in (32 mm)

    Symbols and Marks

    • S mark: indicates suitability for operations in environments with increased hazard of electrical shock according to IEC 60974-1
    • CSA mark: indicates products meet United States and Canadian regulations for product safety
    • CE mark: signifies manufacturer's declaration of conformity to applicable European directives and standards

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    Description

    This service manual provides guidance on the maintenance and repair of Powermax65 and Powermax85 plasma arc cutting systems. It covers environmental stewardship and sustainability practices.

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