Grizzly G0880 Owner's Manual

145a mma welder

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MODEL G0880
145A MMA WELDER
OWNER'S MANUAL
(For models manufactured since 03/19)
4009939

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Table of Contents
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Summary of Contents for Grizzly G0880

  • Page 1 MODEL G0880 145A MMA WELDER OWNER'S MANUAL (For models manufactured since 03/19) 4009939...
  • Page 2 This manual provides critical safety instructions on the proper setup, operation, maintenance, and service of this machine/tool. Save this document, refer to it often, and use it to instruct other operators. Failure to read, understand and follow the instructions in this manual may result in fire or serious personal injury—including amputation, electrocution, or death.
  • Page 3 Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901 MODEL G0880 145A MMA WELDER Product Dimensions: Weight ....................................8 lbs. Width (side-to-side) x Depth (front-to-back) x Height ..................5 x 11 x 7-1/2 in.
  • Page 4: Safety Instructions For Machinery

    SAFETY For Your Own Safety, Read Instruction Manual Before Operating This Machine The purpose of safety symbols is to attract your attention to possible hazardous conditions. This manual uses a series of symbols and signal words intended to convey the level of impor- tance of the safety messages.
  • Page 5 WEARING PROPER APPAREL. Do not wear FORCING MACHINERY. Do not force machine. clothing, apparel or jewelry that can become It will do the job safer and better at the rate for entangled in moving parts. Always tie back or which it was designed. cover long hair.
  • Page 6 1. SAFETY Welding is dangerous, and may cause damage to you and others, so take good protection when welding. For details, please refer to the operator safety guidelines in conformity with the accident prevention requirements of the manufacturer. Professional training is needed before operating the machine. ...
  • Page 7: General Description

    Hot work piece may cause severe scalding.  Do not contact hot work piece with bare hands.  Cooling is needed during continuous use of the welding torch. Magnetic fields affect cardiac pacemaker.  Pacemaker users should be away from the welding spot before medical consultation.
  • Page 8: Main Parameters

    3. MAIN PARAMETERS 3.1 Technical parameters table: MMA145 Input: 120v-60hz Output: 10A/20.4V DC to 85A/23.4V DC, U0=72V Duty cycle: 70A@25% * Note: The duty cycle is tested at 40°C has been determined by simulation. 3.2 Output characteristic drawing: 4. ELECTRIC BLOCK DIAGRAM MMA-145...
  • Page 9: Operation Control And Description

    5. OPERATION CONTROL AND DESCRIPTION ● Front control panel (see Figure 1) (1) "+" output terminal: To connect the electrode holder. (2) "-" output terminal: To connect the work clamp. (3) Plastic cover: only available on plastic model. (optional) (4) Power LED: To indicate the power. Power LED on indicates that the power switch of the machine is on.
  • Page 10 Figure 1 Figure 2...
  • Page 11: Installation Debugging And Operation

    6. INSTALLATION DEBUGGING AND OPERATION Note: Please install the machine strictly according to the following steps. Turn off the power supply switch before any electric connection operation. The protection class of this machine is IP21S, so avoid using it in rain. 6.1 Installation method (1) A primary power supply cable is available for this welding machine.
  • Page 12 6.3 Welding parameters table (for reference only) Electrode dia. (mm) Recommended welding Recommended welding current (A) voltage (V) 20~60 20.8~22.4 44~84 21.76~23.36 60~100 22.4~24.0 80~120 23.2~24.8 108~148 23.32~24.92 140~180 24.6~27.2 180~220 27.2~28.8 220~260 28.8~30.4 Note: This table is suitable for common carbon steel welding. For other materials, consult related materials and welding process for reference.
  • Page 13: Maintenance

    Parameters” table. This machine is of automatic voltage compensation, which enables the maintaining of the voltage range within the given range. In case that the input voltage exceeds the stipulated value, it would possibly damage the components of the machine. 2.4 A sudden halt may occur while the machine is of overload status.
  • Page 14: Troubleshooting

    9. TROUBLESHOOTING The following operation requires sufficient professional knowledge on electric aspect and comprehensive safety knowledge. Operators should be holders of valid qualification certificates which can prove their skills and knowledge. Make sure the input cable of the machine is cut off from the electricity utility before uncovering the welding machine.
  • Page 15: Warranty And Returns

    WARRANTY & RETURNS Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of maintenance.

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