Hobart Welding Products OM-949 manual Reinstalling Amperage Adjustment Indicator

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5-3. Reinstalling Amperage Adjustment Indicator

1

5

6

2

7

3

4

2-5/8 in

(67 mm)

3

Viewed from right side of unit.

2

Proper alignment of pointer and crank handle.

YTurn Off welding power source and disconnect input power.

1 Wrapper

Remove wrapper from unit.

2Crank Handle

3Shunt Shaft

4Transformer And Shunt (Located Inside Unit)

Insert crank handle onto shunt shaft protruding through front panel and turn crank handle to adjust shunt to 2-5/8 in (67 mm), (see de- tail of transformer and shunt).

Remove crank handle.

5 Pinion Gear

Install pinion gear onto front panel making sure anti-rotation pins are in holes on front panel.

6 Pointer Gear

Install pointer gear overtop of pinion gear and rotate so pointer is indicat- ing 140 Amps (see example).

Install crank handle overtop the sta- tor/pinion gear assembly with the handle straight down. It may be necessary to turn the handle slight- ly so vertical alignment is possible.

7 Securing Screw

Install securing screw through han- dle, into threaded hole in shunt shaft. Tighten securely.

YInstall wrapper before turning On power.

Tools Needed:

T-20 Torx

5/16, 3/8 in

804 295-A / 803 564-B / 215 247-A

OM-949 Page 16

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Contents Processes DescriptionFrom Hobart to You Table of Contents Page Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux LE Soudage peut provoquer un Incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaquesSpecifications Duty Cycle ChartsVolt-Ampere Curves Selecting a LocationVolt Model AmpsInstalling Electrode Holder And Work Clamp Installing Electrode Cable and Barrel onto Electrode HolderInstalling Work Cable onto Work Clamp Removing Barrel From Elec- trode HolderWeld Output Cables 150 ft 200 ft 250 ft350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Put terminalsElectrical Service Guide Connecting Input PowerControls Months Routine MaintenanceLubricating Shunt Block And Anti-Noise Adjustment Reinstalling Amperage Adjustment Indicator Wrapper Remove wrapper from unit Crank Handle Shunt ShaftTroubleshooting Trouble Remedy− Electrical Diagrams − Welding Methods & Troubleshooting Welding Methods Shielded Metal Arc Welding Smaw ProcedureElectrode And Amperage Selection Chart 6013 7014Striking An Arc Positioning The Electrode HolderWeld Bead Characteristics Conditions That Affect Weld Bead ShapeElectrode Angle Arc LengthElectrode Movement During Welding Butt JointsWelding Troubleshooting Lap JointsTee Joints PorosityLack Of Penetration Excessive SpatterIncomplete Fusion Excessive Penetration Burn-ThroughWaviness Of Bead DistortionStart Your Professional Welding Career Now − Parts List Dia Part Description Quantity Page Assistance ServiceSupport Contact your Distributor for Hobart Welding Products