Table of Contents
Troubleshooting
Related Manuals for Hobart Welding Products H-9A Gun
Summary of Contents for Hobart Welding Products H-9A Gun
- Page 1 Visit our website at www.HobartWelders.com OM-952 June 2004 Processes Description Semi-Automatic, Air-Cooled Flux Cored (FCAW) And MIG (GMAW) Welding Gun H-9A Gun 220 361A Flux Cored (FCAW) Welding MIG (GMAW) Welding (Optional)
- Page 2 From Hobart to You Thank you and congratulations on choosing Hobart. Now you can get the job done and get it done right. We know you don’t have time to do it any other way. This Owner’s Manual is designed to help you get the most out of your Hobart products.
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Page 3: Table Of Contents
TABLE OF CONTENTS SECTION 1 −SAFETY PRECAUTIONS FOR FCAW AND GMAW WELDING GUNS − READ BEFORE USING 1-1. Symbol Usage ............... 1-2. -
Page 5: Section 1 −Safety Precautions For Fcaw And Gmaw Welding Guns − Read Before Using
SECTION 1 −SAFETY PRECAUTIONS FOR FCAW AND GMAW WELDING GUNS − READ BEFORE USING 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. This group of symbols means Warning! Watch Out! Possible ELECTRIC SHOCK and HOT PARTS hazards. Consult symbols and related instructions below for necessary actions to avoid the hazards. -
Page 6: Emf Information
NOTE Considerations About Welding And The Effects Of Low Frequency Electric And Magnetic Fields The following is a quotation from the General Conclusions Section of the U.S. Congress, Office of Technology Assessment, Biological Effects of Power Frequency Electric & Magnetic Fields − Background Paper, OTA-BP-E-53 (Washington, DC: U.S. -
Page 7: Section 2 − Safety Information
SECTION 2 − SAFETY INFORMATION Read all safety messages throughout this manual. Obey all safety messages to avoid injury. Learn the meaning of WARNING and CAUTION. WARNING ELECTRIC SHOCK can kill. Do not touch live electrical parts. Disconnect input power before installing or servicing. -
Page 8: Installing Gun Into Welding Power Source
3-3. Installing Gun Into Welding Power Source If existing gun requires removal, see Section 5-6. Open pressure assembly. Remove screws (3) from cover, and remove cover from wire drive assembly. Remove wrapper from Reinstall cover and unit. secure with screws (3). Route wires, cable, and hose to avoid contact with sharp edges, hot surfaces, or moving parts. -
Page 9: Threading Welding Wire
3-4. Threading Welding Wire Tools Needed: Open pressure assembly. Tighten Be sure that wire is positioned in proper feed roll groove. Close and tighten pressure assembly, and let go of wire. Press gun trigger until wire comes out of gun. Hold wire tightly to keep it from unraveling. -
Page 10: Section 4 − Operation
SECTION 4 − OPERATION 4-1. Operating The Gun Trigger Switch When pressed, energized wire feeds and shielding gas flows. Ref. 803 495-A OM-952 Page 6... -
Page 11: Section 5 − Maintenance & Troubleshooting
SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Replacing Gun Contact Tip Tools Needed: 5-2. Cleaning Gun Liner Head Tube 8 mm Remove nozzle. Cut off wire at contact tip, and remove contact tip and tip adapter. Tools Needed: Lay gun cable out straight, and blow out liner. -
Page 12: Replacing Gun Liner
5-3. Replacing Gun Liner Head Tube 8 mm Remove nozzle. Cut off wire at contact tip, and remove contact tip and tip adapter. Remove screws (3) from cover, and remove cover from wire drive assembly. 8 mm OM-952 Page 8 Open pressure assembly. - Page 13 5-3. Replacing Gun Liner (Continued) When liner exits cable at gun handle, guide liner into head tube. Continue to push liner until it exits end of head tube. 2 mm 3/4 in (19 mm) Be sure that cable is straight. Tighten liner setscrew with allen wrench.
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Page 14: Replacing Liner O-Ring
5-4. Replacing Liner O-Ring Head Tube 8 mm Remove nozzle. Cut off wire at contact tip, and remove contact tip and tip adapter. Remove screws (3) from cover, and remove cover from wire drive assembly. 8 mm OM-952 Page 10 Open pressure assembly. - Page 15 5-3. Replacing Liner O-Ring (Continued) Push liner toward gun. If necessary, twist cable to ease installation. Guide liner into head tube. Continue to push liner until it exits end of head tube. 2 mm 3/4 in (19 mm) Be sure that cable is straight. Tighten liner setscrew with allen wrench.
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Page 16: Replacing Switch And/Or Head Tube
5-5. Replacing Switch And/Or Head Tube Twist handle locking ring counterclockwise 1/4 turn and slide it down cable. Separate gun handle by lifting top rear portion up and sliding forward over head tube. Remove nozzle, contact tip, and adapter. Secure head tube in vice. Loosen cable connector. -
Page 17: Removing Gun From Welding Power Source
5-6. Removing Gun From Welding Power Source Head Tube 8 mm Remove nozzle. Cut off wire at contact tip, and remove contact tip and tip adapter. Remove wrapper from Remove screws (3) from unit. cover, and remove cover from wire drive assembly. Disconnect trigger leads from RC3 and RC4 on PC1. -
Page 18: Routine Maintenance
5-7. Routine Maintenance Blow Out Casing Replace Cracked Parts 5-8. Troubleshooting Trouble Wire does not feed; wire is not ener- Check contact tip. Check for kinks in gun cable. gized; wire feeds unevenly. gized; wire feeds unevenly Check contact tip. Check for kinks in gun cable. Blow out gun liner (see Section 5-2). Check for secure gun trigger lead connections at PC1 (see Section 3-3). -
Page 19: Section 6 − Parts List
SECTION 6 − PARTS LIST 8 − See Table 6-1 Item Part 195 343 Figure 6-1. H-9A Gun ....169 715 .... - Page 20 Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual.
- Page 21 Notes...
- Page 22 Notes...
- Page 23 5/3/1 WARRANTY applies to all Handler 125, 135 and 175 models, Airforce 250, 250A, 375, 400 Warranty Questions? and 625 models, and Champion 4500 and 10,000 models, Beta-Mig 1800, Champ 1435, 2060, 8500 Call models, Ironman 210 and 250 models, Stickmate models, Tigmate models, and HSW-15 and 1-877-HOBART1 for your local Hobart distributor.
- Page 24 File a claim for loss or damage during shipment. For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. 2004 Hobart Welding Products. 1/04 Hobart Welding Products An Illinois Tool Works Company 600 West Main Street Troy, OH 45373 USA...