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MODEL H8155
MIG WELDER
OWNER'S MANUAL
COPYRIGHT © MAY, 2007 BY GRIZZLY INDUSTRIAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#LO9344 PRINTED IN CHINA
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Table of Contents INTRODUCTION ............................................................................................................................... 2 Foreword .................................................................................................................................... 2 Contact Info ................................................................................................................................ 2 Specifications ....................................
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INTRODUCTION Specifications Foreword Welding Current ......................................25–75A We are proud to offer the Model H8155 MIG Duty Cycle ........................................20% @ 75A Welder. This machine is part of a growing Grizzly Duty Cycle ........................................45% @ 50A family of fine metalworking equipment. When Duty Cycle ........................................92% @ 35A used according to the guidelines set forth in this Duty Cycle .................
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4. ELECTRIC SHOCK. DO NOT touch live 9. HANDLING GAS CYLINDERS. Regardless electrical parts. Connect welder to power of content, pressurized gas cylinders can source with approved earth ground. Make explode. Always secure a protector cap in sure all electrical connections are tight, place over the outlet valve assembly when clean, and dry. Connect workpiece to moving the cylinder. A broken off valve approved earth ground. The work lead is could release the pressurized contents and NO
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Additional Sources for Welding Codes and Standards American Welding Society, 550 N.W. LeJeune Road, Miami, FL 33126, (305) 443-9353, Website: www. aws.org. —Safety in welding, Cutting, and Allied Processes, ANSI Standard Z49.1 —Recommended Safe Practices for the Preparation for Welding and Cutting of Containers and Piping, AWS F4.1 National Fire Protection Association, P. O. Box 9101, 1 Battery March Park, Quincy, MA 02269-9101, (617) 770-3000, Website: www.nfpa.org and www.sparky.org. —Nation
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SECTION 2: CIRCUIT REQUIREMENTS 110V Operation Electrocution or fire could result if this machine is not grounded correctly or if your electrical con- Serious personal injury could occur if you figuration does not com- connect the machine to the power source ply with local and state before you have completed the set up pro- codes. Ensure compliance cess. DO NOT connect the machine to the by checking with a quali- power source until instructed to do so. fied electrician! Amperage Draw Ext
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Workpiece Ground Grounding for The incoming power circuit to the welder and the working welding circuit are two separate circuits Welding Safety that must have separate grounds. The weld- ing circuit consists of the internal components of the welder, the welding cables, the electrode There are two or more electrical circuits involved holder/torch assembly, the work clamp, and the in any welding operation. The practice of safely workpiece. grounding these circuits is documented in vari- o
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SECTION 3: INVENTORY The Model H8155 was carefully packed when it left our warehouse. If you discover the machine is damaged or a part is missing after you have signed for delivery, please immediately call Customer Service at (570) 546-9663 for advice. Save the containers and all packing materials for possible inspection by the carrier or its agent. Otherwise, filing a freight claim can be difficult. When you are completely satisfied with the condition of your shipment, inventory the content
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SECTION 4: OPERATIONS Operation Safety Welder Duty Cycle As the welder produces the desired power output for the welding operation, power is converted to heat. In order to protect the welder components Damage to your eyes and lungs could result from over-heating, each welder has an estab- from using this machine without proper lished duty cycle, which varies depending on the protective gear. Always wear safety glasses, amperage output being used. welder's helmet, and a respirator when ope
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Operation Guidelines Basic Operation NOTICE A The following instructions are not intended B C to be a complete list of welding steps. To become a good welder, read books on weld- ing, get help from experienced welders, and practice. D Although it is beyond the scope of this manual to instruct how to weld, here are some general steps for successful welding: 1. Read and understand this manual and ensure Figure 4. Model H8155 controls. that all safety instructions are followed. A. On/Off Swit
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9. Press and hold the torch trigger switch and stroke the area to be welded with the elec- NOTICE trode wire to ignite the arc. Remember to switch to positive electrode polarity when using gas instead of flux core 10. Once the arc is ignited, move the torch to wire. Follow the instructions on the diagram complete the weld. below the wire feed mechanism to preform this simple modification. Failure to follow 11. When the weld is complete, lift the welding this procedure can result in po
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Maintenance 1. DISCONNECT THE WELDER FROM POWER. 2. Periodically open the top and side panels. Using compressed air, blow out all dust from the interior. 3. Store the unit in a clean and dry location. 4. Periodically clean out the torch head. Figure 7. The open wire feed mechanism. Installing the wire spool 6. Feed and guide the spool wire into the wire 1. DISCONNECT THE WELDER FROM feed mechanism, and into the small tube just POWER. past the feed wheels (Figure 8). Continue to guid
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7. Close the feed mechanism over the wire and adjust the feed tension if necessary (Figure 9). 8. Close the side panel. Figure 10. Removing the welding torch nozzle. 4. Remove the contact tip with the contact tip wrench provided and install a new tip as shown in by threading it into the welding torch and tightening until snug (Figure 11). Figure 9. Adjusting the feed tension. Installing the contact tip Allow the welding torch nozzle and tip to cool before touching either of these componen
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ACCESSORIES SECTION 5: ACCESSORIES H7786—Auto Darkening Welding Helmet H9748—Leather Jacket Medium (40–42) Automatic UV and IR filters protect eyes from H9887—Leather Jacket Large (44–46) harmful visible and invisible light during welding. H9888—Leather Jacket X-Large (48–52) Switching time is less than or equal to 2 millisec- H9746—Leather Knee Pads onds, so there's no need to flip the helmet up to H9745—Leather Shoe Covers see your work under normal light conditions. Full These leather jackets
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Troubleshooting SECTION 6: SERVICE Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel- ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support at (570) 546-9663. Troubleshooting Symptom Possible Cause Possible Solution Welder does not 1. Plug/receptacle is at fault or wired incor- 1. Test for good contacts; correct the wiring. power up or the rectly. breaker trips. 2. Wirin
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Replacement Parts And Labels 13 9 1 14 15 10 2 6 3 18 19 7 20 21 4 12 8 11 5 17 16 REF PART # DESCRIPTION REF PART # DESCRIPTION 1 PH8155001 WELDERS MASK 12 PH8155012 HANDLE 2 PH8155002 MASK HANDLE 13 PH8155013 WIRE FEED ASSEMBLY 3 PH8155003 LENSE RETAINING CLIP 14 PH8155014 WIRE SPOOL RETAINING NUT 4 PH8155004 MASK LENSE 15 PWN02 WING NUT 1/4-20 5 PH8155005 UTILITY BRUSH AND SLAG HAMMER 16 PH8155016 WELDING TORCH ASSEMBLY 6 PH8155006 CONTROL TIP WRENCH 17 PH8155017 WORK CLAMP ASSEMBLY 7 PH81550
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NOTES -17- H8155 MIG Welder
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NOTES -18- H8155 MIG Welder
