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OM-245987 Page 9

5-3. Routine Maintenance

!

Disconnect power 

before maintaining.

.

Maintain more often
during severe conditions.

n

 = Check

Z

 = Change

~

 = Clean

l

 = Replace

* To be done by Factory Authorized Service Agent

Reference

Each

Spool

Of Wire

n~

 Nozzle and contact tip

~

 Blow out gun casing

Every

3

Months

l

 Unreadable Labels

l

 Damaged Gas Hose

nl

 Cords

nl

 Cracked Parts

5-4. Troubleshooting

Trouble

Remedy

Wire does not feed; wire is not ener-

gized; wire feeds unevenly.

Check contact tip. Check for kinks in gun cable and liner.

Check gun trigger plug connection at welding power source/wire feeder.

Check, and if necessary, replace gun trigger switch (see Section 5-2).

Check contact tip. Check for kinks in gun cable. Blow out liner and gun casing (see Section 5-1).

Weld porosity.

Remove weld spatter buildup in nozzle.

Check O-rings on gun connector and replace if damaged.

Make sure inner head tube is tight in cable connector.

Check gun connector to be sure it is fully inserted into drive assembly.

Check shielding gas flow/supply.

Wire feeding stops or does not feed

properly during welding.

Straighten gun cable and/or replace damaged parts (see Section 5-1).

Adjust drive roll pressure (see wire feeder manual).

Change to proper drive roll groove (see wire feeder manual).

Readjust hub tension (see wire feeder manual).

Clean or replace liner if dirty or plugged (see Section 5-1).

Replace drive roll or pressure bearing if worn or slipping (see wire feeder manual).

Summary of Contents for H100S4-10

Page 1: ...www HobartWelders com Description OM 245987C 2018 09 Processes File MIG GMAW Flux Cored FCAW Welding MIG GMAW Welding Semi Automatic Air Cooled MIG GMAW Welding Gun H100S4 10 Gun ...

Page 2: ...angers relatifs au soudage à l arc 3 2 3 Proposition californienne 65 Avertissements 4 2 4 Principales normes de sécurité 4 2 5 Informations relatives aux CEM 4 SECTION 3 INSTALLATION 5 3 1 Specifications 5 3 2 Duty Cycle And Overheating 5 3 3 Installing Gun 6 SECTION 4 OPERATION 6 4 1 Operating The Gun 6 SECTION 5 MAINTENANCE TROUBLESHOOTING 7 5 1 Removing Nozzle Contact Tip And Adapter Changing ...

Page 3: ...lding power source before changing contact tip or gun parts D Keep all covers and handle securely in place FUMES AND GASES can be hazardous D Keep your head out of the fumes D Ventilate area or use breathing device The recommended way to determine adequate ventilationis to sample for the composition and quantity of fumes and gases to which personnel are exposed D Read and understand the Safety Dat...

Page 4: ...and Allied Processes CSA Standard W117 2 from Canadian Standards Association Standards Sales 5060 Spectrum Way Suite 100 Mississauga Ontario Canada L4W 5NS phone 800 463 6727 website www csagroup org Safe Practice For Occupational And Educational Eye And Face Protec tion ANSI Standard Z87 1 from American National Standards Institute 25 West 43rd Street New York NY 10036 phone 212 642 4900 web site...

Page 5: ...rre D Ne jamais toucher une électrode ou des pièces électriques sous tension D Remplacer les pistolets ou câbles de soudage qui sont endom magés usés ou craquelés D Mettre la soudeuse hors tension avant de remplacer un bec contact ou des pièces de pistolet D S assurer que tous les couvercles et poignées sont fermement assujettis LES VAPEURS ET LES FUMÉES peuvent être nocives D Éloigner sa tête des...

Page 6: ...tandard 70 from National Fire Protec tion Association Quincy MA 02169 phone 1 800 344 3555 website www nfpa org and www sparky org Safe Handling of Compressed Gases in Cylinders CGA Pamphlet P 1 from Compressed Gas Association 14501 George Carter Way Suite 103 Chantilly VA 20151 phone 703 788 2700 website www cganet com Safety in Welding Cutting and Allied Processes CSA Standard W117 2 from Canadi...

Page 7: ...E Exceeding duty cycle can damage unit and void warranty Overheating 0 15 A or V OR Reduce Duty Cycle Minutes sduty1 5 95 3 2 Duty Cycle And Overheating Duty Cycle is percentage of 10 minutes that gun can weld at rated load without overheating 0 10 Minutes Definition Continuous Welding 023 To 045 in 0 6 To 1 1 mm Hard Or Flux Cored Wires 100 Duty Cycle At 100 Amperes Using CO2 023 To 045 in 0 6 To...

Page 8: ...sert into receptacle and tighten threaded collar 4 Friction Terminals Some applications will require cutting off trigger plug and installing 0 250 female friction terminals onto end of leads See power source manual for threading procedure 1 3 2 4 SECTION 4 OPERATION 4 1 Operating The Gun Ref 243 838 A 1 Trigger Switch When pressed energized wire feeds and shielding gas flows 1 ...

Page 9: ...ze stamped on tip check and match wire size Tools Needed 8 mm 10 mm Lay gun cable out straight before installing new liner Remove nozzle contact tip and adapter Unscrew and remove liner Blow out gun casing Cut off wire and disconnect gun from feeder 5 8 in 16 mm Liner Stickout Install Liner Thread wire according to welding power source wire feeder manual Reassemble gun in reverse order from taking...

Page 10: ...ndle halves and install switch housing Turn Off welding power source wire feeder and disconnect gun Remove switch housing Install new switch and connect leads polarity is not important Reassemble in reverse order If replacing head tube continue to end of figure 1 2 3 8 6 7 Remove screw on opposite side Secure head tube in vice Loosen jam nut Remove from vice and turn head tube out by hand 4 5 phil...

Page 11: ... gun trigger switch see Section 5 2 Check contact tip Check for kinks in gun cable Blow out liner and gun casing see Section 5 1 Weld porosity Remove weld spatter buildup in nozzle Check O rings on gun connector and replace if damaged Make sure inner head tube is tight in cable connector Check gun connector to be sure it is fully inserted into drive assembly Check shielding gas flow supply Wire fe...

Page 12: ...ing 1 4 169716 ADAPTER contact tip 1 5 246373 TUBE head 1 6 243865 NUT jam 1 7 242832 HANDLE 1 8 225410 SWITCH trigger 1 9 079878 HOUSING PLUG PINS 1 10 246380 HOUSING power pin 1 11 245927 CONNECTOR feeder 1 12 197123 O RING 312 ID X 062 70 duro buna n 2 13 194010 LINER monocoil 023 025 wire x 15ft consisting of 1 13 194011 LINER monocoil 030 035 wire x 15ft consisting of 1 13 194012 LINER monoco...

Page 13: ...Notes FILLET GROOVE WELD JOINT TYPES BUTT BUTT BUTT BUTT T JOINT T JOINT T JOINT T JOINT FLAT VERTICAL HORIZONTAL OVERHEAD WELD POSITION Ref AWS ANSI D1 1 1G 1F 2G 2F 3G 3F 4G 4F Ref 804 248 A ...

Page 14: ...Notes ...

Page 15: ...he remaining warranty period of the product they are installed in or for a minimum of one year whichever is greater HF Units MIG Guns TIG Torches Motor Driven Guns Plasma Cutting Torches Relays Remote Controls Replacement Parts No labor 90 days Running Gear Trailers Water Cooling Systems Spoolguns 4 6 Months Parts Batteries 5 Engines and tires are warranted separately by the manufacturer Hobart s ...

Page 16: ...LC 2018 01 Miller Electric Mfg LLC An Illinois Tool Works Company 1635 West Spencer Street Appleton WI 54914 USA For Assistance Call 1 800 332 3281 Model Name Serial Style Number Purchase Date Date which equipment was delivered to original customer Distributor Address City State Zip Please complete and retain with your personal records Owner s Record Thank you for purchasing Hobart Our trained tec...

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