Hobart Welding Products H-9B Owner'S Manual Download | Manualshive

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H-9B Gun

OM-225 333A

2006

−

06

Processes

Description

MIG (GMAW) Welding (Optional)

Flux Cored (FCAW) Welding

Semi-Automatic, Air-Cooled

Flux Cored (FCAW) And MIG

(GMAW) Welding Gun

File: Flux Cored (FCAW)

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Summary of Contents for H-9B

Page 1: ...H 9B Gun OM 225 333A 2006 06 Processes Description MIG GMAW Welding Optional Flux Cored FCAW Welding Semi Automatic Air Cooled Flux Cored FCAW And MIG GMAW Welding Gun File Flux Cored FCAW ...

Page 2: ...ducts Please take time to read the Safety precautions They will help you protect yourself against potential hazards on the worksite We ve made installation and operation quick and easy With Hobart you can count on years of reliable service with proper maintenance And if for some reason the unit needs repair there s a Troubleshooting section that will help you figure out what the problem is The par...

Page 3: ...nd Overheating 3 3 3 Installing Gun Into Welding Power Source 4 3 4 Installing Contact Tip And Nozzle 5 3 5 Threading Welding Wire 6 SECTION 4 OPERATION 7 4 1 Operating The Gun 7 SECTION 5 MAINTENANCE TROUBLESHOOTING 8 5 1 Replacing Gun Contact Tip 8 5 2 Cleaning Gun Liner 8 5 3 Replacing Gun Liner 9 5 4 Replacing Switch Handle 11 5 5 Removing Gun From Welding Power Source 12 5 6 Routine Maintenan...

Page 4: ......

Page 5: ... and body protection 3 Cover exposed skin with spatter resistant clothing ELECTRIC SHOCK can kill 1 Always wear dry insulating gloves 2 Insulate yourself from work and ground 3 Do not touch live electrode or electrical parts 4 Repair or replace worn damaged or cracked gun or cable insulation 5 Turn off welding power source before changing contact tip or gun parts 6 Keep all covers and handle secur...

Page 6: ...ow us to interpret the evidence in a single coherent framework Even more frustrating it does not yet allow us to draw definite conclusions about questions of possible risk or to offer clear science based advice on strategies to minimize or avoid potential risks To reduce magnetic fields in the workplace use the following procedures 1 Keep cables close together by twisting or taping them 2 Arrange ...

Page 7: ...ion 3 1 before proceeding WARNING 5 4 6 7 1 2 CAUTION MOVING PARTS can injure Keep away from moving parts Keep all panels and covers closed when operating 3 Turn Off switch when using high frequency SECTION 3 INSTALLATION 3 1 Specifications Air Cooled Welding Gun For FCAW And GMAW Welding 804 240 A H 9B Feeds 030 035 in 0 8 0 9 mm Flux Cored Wire Or 023 030 in 0 6 0 8 mm Solid Wire Duty Cycle Rati...

Page 8: ...secure hose to wiring harness Connect trigger leads to RC3 and RC4 on PC1 Route weld cable through opening in baffle Connect weld cable to weld terminal Reinstall wrapper onto unit Secure leads and hose with cable tie s Thread wire according to Section 3 5 Y Turn off welding power source If existing gun requires removal see Section 5 5 Route wires cable and hose to avoid contact with sharp edges h...

Page 9: ...2 3 Flux Nozzle MIG Nozzle Use with flux cored wire only Narrow design allows access in tight spaces and provides better visibility of puddle during welding Use with solid or flux cored wire Push nozzle over contact tip and adapter until it is seated onto adapter Contact tip will be exposed approximately 7 16 in 11 3 mm when installed properly Push nozzle over contact tip and adapter until it is s...

Page 10: ...event slipping Cut off wire Close door Press gun trigger until wire comes out of gun 2 Turn power on INPUT POWER 6 in 150 mm Tighten Tighten Be sure that wire is positioned in proper feed roll groove Close and tighten pressure assembly and let go of wire Be sure that contact tip matches wire diameter Reinstall tip adapter if applicable contact tip and nozzle 3 5 4 Tip adapter may also require remo...

Page 11: ...OM 225 333 Page 7 SECTION 4 OPERATION 4 1 Operating The Gun Ref 804 240 A 1 Trigger Switch When pressed energized wire feeds and shielding gas flows if unit is equipped with optional gas solenoid 1 ...

Page 12: ...1 A 803 838 A Y Turn off welding power source 1 Nozzle 2 Contact Tip 3 Adapter Head Tube Tools Needed 8 mm Lay gun cable out straight and blow out liner Remove nozzle Cut off wire at contact tip and remove contact tip and tip adapter Thread wire according to Section 3 5 Reassemble drive cover and gun in reverse order from taking it apart Open pressure assembly Retract wire from liner onto spool Ho...

Page 13: ... cable and top ring forward over head tube Separate gun handle halves Loosen liner setscrew Loosen and remove retaining nut from liner Pull liner out of gun cable If necessary twist cable to ease removal Y Turn off welding power source Install retaining nut on one end of liner Lay gun cable straight on a flat surface Insert bare end of liner end without retaining nut into wire drive end of cable P...

Page 14: ...on liner after cutting to length 3 8 in 10 mm Reassemble gun by placing head tube and cable into one half of handle Be sure trigger is properly installed into trigger slot Thread welding wire through gun see Section 3 5 Reinstall adapter contact tip and nozzle Reinstall cover onto wire drive assembly and secure with screws 3 Insert retaining nut into adapter and adjust liner stickout as shown Tigh...

Page 15: ... Connect leads to new switch polarity is not important Be sure trigger is properly installed into trigger slot Reassemble in reverse order Ref 804 241 A 804 242 A Twist top and bottom handle locking rings counterclockwise 1 4 turn Slide bottom ring down cable and top ring forward over head tube Separate gun handle halves ...

Page 16: ... solenoid valve loosen hose from wiring harness Disconnect trigger leads from RC3 and RC4 on PC1 Pull weld cable through opening in baffle Disconnect weld cable from weld terminal Remove leads and hose from cable tie s Y Turn off welding power source Remove nozzle Cut off wire at contact tip and remove contact tip and tip adapter Open pressure assembly Retract wire from liner onto spool Hold wire ...

Page 17: ...n trigger lead connections at PC1 see Section 3 3 Check and if necessary replace gun trigger switch see Section 5 4 Weld porosity Remove weld spatter buildup in nozzle Make sure inner head tube is tight in cable connector 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 2 or 5 3 Adjust drive ...

Page 18: ...26 010 NUT liner retainer 1 7 226 080 HANDLE ASSY 1 OPTIONAL To maintain the factory original performance of your equipment use only Manufacturer s Suggested Replacement Parts Model and serial number required when ordering parts from your local distributor Table 6 1 Contact Tip Options HOBART PART NO DESCRIPTION REMARKS 196 134 Tip contact scr 023 wire Pkg of 5 196 131 Tip contact scr 030 wire Pkg...

Page 19: ...tips cutting nozzles slip rings drive rolls gas diffusers plasma torch tips and electrodes weld cables and tongs and tips or parts that fail due to normal wear Exception brushes slip rings and relays are covered on Hobart Engine Driven models 2 Items furnished by Hobart Miller but manufactured by others such as engines or trade accessories These items are covered by the manufacturer s warranty if ...

Page 20: ...or service location Call 1 877 Hobart1 or visit our website at www HobartWelders com Contact your Distributor for Welding Supplies and Consumables Options and Accessories Personal Safety Equipment Service and Repair Replacement Parts Training Schools Videos Books Technical Manuals Servicing Information and Parts Circuit Diagrams Welding Process Handbooks Contact the Delivering Carrier to Resources...

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