Hobart Welding Products OM-947 manual Changing Drive Roll Or Wire Inlet Guide

Page 29

7-4. Changing Drive Roll Or Wire Inlet Guide

2

1

 

1

Pressure Adjustment Knob

 

2

Pressure Assembly

 

 

Pivot pressure adjustment

knob

 

down, and lift pressure assembly

 

up.

 

 

 

3

Pivot Tube Plate

 

 

4

Securing Screws

 

 

5

Pressure Arm Pivot Tube

 

 

6

Inlet Wire Guide

 

 

Remove screws and pivot tube

 

plate. Lift out pressure arm pivot

 

tube, and slide inlet wire guide out of

 

tube.

 

 

Slide replacement wire guide into

 

tube, and place tube back into drive

 

assembly. Be sure tip of wire guide

 

is as close to drive roll as possible

 

without touching.

 

 

Reinstall plate and tighten screws.

 

7

Retaining Knob

 

 

Rotate counterclockwise

and

7

remove knob.

 

8

Drive Roll

 

 

 

6 5

3 4

The drive roll consists of two different sized grooves. Each side is stamped with the proper size.

Select the groove that matches the wire size on the wire spool. Install drive roll onto motor shaft so that correct groove size stamp faces out away from drive housing.

9 Retaining Knob Opening

Install retaining knob by placing opening over drive roll (opening faces rear of unit). Rotate retaining knob clockwise to secure drive roll.

Position wire into outer groove of drive roll (see Section 5-9).

.030/.035

VK

Groove

Stamped .030/.035

Tools Needed:

5/16 in.

.024 Groove

Stamped .024

8

9

Ref. 802 444-B / 803 442-A

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Contents File Flux Cored Fcaw ProcessesDescription Protect Your Investment From Hobart to YouTable of Contents Warranty Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can burnARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyesFire or Explosion hazard Welding Wire can injureFalling Equipment can injure Moving Parts can injureCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesUNE Décharge Électrique peut entraîner la mort Symboles utilisésLE Soudage peut provoquer un incendie ou une explosion LES Pièces Chaudes peuvent provoquer des brûluresLES Fumées ET LES GAZ peuvent être dangereux LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU LA Chute DE L’ÉQUIPEMENT peut provoquer des blessuresLes Pièces Mobiles peuvent causer des blessures Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures LE Soudage À L’ARC risque de provoquer des interférencesEn ce qui concerne les implants médicaux Principales normes de sécuritéInformations relatives aux CEM OM-947 Symbols And Definitions − SpecificationsSpecifications − DefinitionsVolt-Ampere Curves Duty Cycle And OverheatingTools Needed Slide insulating grips over handles OM-947 − InstallationInstalling Work Clamp Changing Polarity Process/Polarity TableTools Needed 11/16, 1-1/8 Shielding Gas Installing Gas SupplyTools Needed Installing Wire Spool And Adjusting Hub Tension460 mm Serial Number And Rating Label LocationTurn off welding power source Installing Contact Tip And NozzleThreading Welding Wire Controls − OperationOperating The Gun LoadOM-947 Weld Parameter Chart 210 Routine Maintenance − Maintenance &TROUBLESHOOTINGOverload Protection Drive Motor ProtectionChanging Drive Roll Or Wire Inlet Guide Replacing Gun Contact Tip Turn Off power before replacing contact tipCleaning Gun Liner Loosen liner setscrew Replacing Gun LinerHead Mm / 10 mm Tube 10 mm Secure power cord plug in receptacle see Section Troubleshooting TablePower source see Section Trouble RemedyCircuit Diagram − Electrical DiagramTypical MIG Process Connections − Wire Welding GuidelinesTypical Fcaw Process Connections Wire Size Amperage Range Typical Control SettingsAmperage Select VoltageGroove Welds Holding And Positioning Welding GunSlow Normal Fast Conditions That Affect Weld Bead ShapeShort Normal Long Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting Guide For Semiautomatic Welding Equipment Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Main Assembly − Parts ListOptional − See Table 195 157RPkg PkgWeatherproof Nylon 195 Hub Kit For 8 in Wire Spool209 Work like a Pro Page Page Assistance ServiceSupport Hobart Welding Products Contact your Distributor for

OM-947 specifications

Hobart Welding Products has made a significant mark in the welding industry with its cutting-edge equipment, and the Hobart OM-947 is no exception. This multi-process welder stands out for its versatility and user-friendly design, ideal for both beginners and experienced welders alike.

One of the main features of the OM-947 is its multi-process capability, allowing users to perform MIG, TIG, and stick welding, all in one machine. This flexibility makes it an appealing choice for diverse welding applications, whether in automotive repair, metal fabrication, or industrial maintenance. The OM-947 can easily switch between processes, ensuring efficiency and convenience in various tasks.

The machine is engineered with advanced technology that enhances welding performance. Its inverter technology provides a stable arc and reduces energy consumption, which not only cuts down operational costs but also improves the welder's overall performance. The Hobart OM-947 boasts a high-duty cycle, allowing users to operate it for extended periods without overheating, making it suitable for professional environments.

In terms of characteristics, the OM-947 features a digital display that allows for precise control over welding parameters. This user-friendly interface simplifies the adjustment process, enabling welders to focus more on their craft rather than struggling with complex settings. The machine also comes with a built-in automatic voltage control, which adjusts the voltage according to the chosen process and material thickness, ensuring optimal welding conditions and reducing the risk of defects.

Another notable aspect of the OM-947 is its portability. Weighing in at a manageable level, coupled with a compact design, the machine is easy to transport between job sites, making it ideal for mobile welders. Furthermore, the rugged construction of the unit ensures durability even in demanding environments.

Safety features are paramount in welding equipment, and the Hobart OM-947 does not disappoint. It includes a thermal overload protection system that prevents overheating and potential damage to the welder, offering peace of mind during use.

Overall, the Hobart Welding Products OM-947 delivers impressive performance, versatility, and user-friendliness. It is designed for welders who demand quality and reliability from their equipment while being accessible enough for those who are just starting their welding journey. With its innovative features and robust design, the OM-947 truly sets a benchmark in the world of welding.
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