Miller Electric DS-74D12 Removing Safety Collar And Adjusting Boom, Gun Recommendation Table

Page 18

4-8. Removing Safety Collar And Adjusting Boom

4

5

2

1 Locking Knob

Tighten knob to prevent boom movement. Loosen knob to allow boom movement. Change knob po- sition to limit upward movement.

Pull boom down slightly and re- move safety collar. Boom should balance in any position from hori- zontal to 60 degrees above hori- zontal. If necessary, adjust boom as follows:

2Threaded Rod

3Jam Nut

Loosen jam nut and turn threaded rod until boom balances. Tighten jam nut. Be sure several full threads are through yoke to prevent boom falling.

4Yoke

5Safety Collar

13

Tools Needed: 1-1/8 in

Retain safety collar for use in disas- sembling or moving boom.

 

4

 

3

Rod

Rod

2

 

Increasing Spring

Decreasing Spring

Pressure For A Heavy

Pressure For A

Gun

Lighter Gun

ST-142 599-C

4-9. Gun Recommendation Table

Process

Gun

 

 

GMAW − Hard or Cored Wires

Roughneck C-Series Guns: 300, 400, 500, And

 

600 Amp.

 

 

FCAW − Self-Shielding Wires

FC-1260 Or FC-1150

 

 

4-10. Wire Type, Size, And Feed Speed Capability Table

Motor Speed

Wire Type

Wire Size

Feed Speed Capability

 

 

 

 

Standard

All

.023 To 5/64 in (0.6 To 2 mm)

50 To 780 ipm (1.3 To 19.8 mpm)

 

 

 

 

Standard

All

3/32 To 7/64 in (2.4 To 2.8 mm)

50 To 700 ipm (1.3 To 17.8 mpm)

 

 

 

 

 

Standard

All

1/8 in (3.2 mm)

50 To 300 ipm (1.3

To 7.6 mpm)

 

 

 

 

 

Optional High

All

.023 To 5/64 in (0.6 To 2 mm)

92 To 1435 ipm (2.3

To 36.4 mpm)

Speed

 

 

 

 

 

 

 

 

 

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Contents Description OM-1500-13 207 494HProcesses File MIG GmawFrom Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique un message de sécurité particulier DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer unIncendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures graves’EMPLOI Excessif peut SUR Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaquesDo not remove Safety Collar until instructed to SpecificationsInstalling Swivel Into Pipe Post RatingInstalling Control Box And Adjusting Tilt Installing Boom And Reel SupportInstalling Wire Guide Extension Equipment Connection Diagram Control Box Connections Pin Plug InformationPin Information Motor Speed Wire Type Wire Size Feed Speed Capability Removing Safety Collar And Adjusting BoomWire Type, Size, And Feed Speed Capability Table Gun Recommendation TableInstalling And Threading Welding Wire Out touchingRight Side Motor Control Board PC1 Left Side Motor PC101 Setting Internal DIP SwitchesCurrent Detect Override OFF Factory Default S1-1 And S1-2 Automatic Run-In OFF S1-1 And S1-2Optional Equipment DIP Switch Settings PC60Power Switch Left/Right Select Switch Jog/PurgeTrigger Hold Switch Voltage Control And Digital MetersRoutine Maintenance Disconnect power before maintainingMonths Diagnostics Troubleshooting Disconnect power before troubleshootingTrouble Remedy OM-1500-13 − Electrical Diagram 204 716-B − Parts List Quantity Control Box Harness Connectors/Receptacles 130Boom Assembly Boom Assembly -1 Item Drive Assembly, Wire PLG5 Support, Hub & Reel Roll Drive Roll and Wire Guide KitsFraction Metric Kit RollPage Page Page Service SupportOwner’s Record Miller Electric Mfg. Co

DS-74D12, DS-74S12, and DS-74D16, DS-74S16 specifications

Miller Electric has long been recognized for its high-quality welding and cutting equipment. Among their extensive lineup, the DS-74S16, DS-74D16, DS-74S12, and DS-74D12 models stand out for their robust features and advanced technologies tailored for professional welders and metal fabricators.

The Miller DS-74S16 is particularly engineered for heavy-duty applications, making it perfect for industrial environments. It boasts a powerful input range, providing versatility for different welding processes. Its user-friendly interface allows for quick adjustments, ensuring efficiency during operation. The design emphasizes safety and reliability, with protections against overcurrent and thermal overload. Similarly, the DS-74D16 offers dual capabilities for welding and cutting, which adds flexibility to a welder's toolkit. This model integrates advanced digital controls that help maintain consistent performance, enhancing the overall quality of the welds produced.

Moving on to the DS-74S12 and DS-74D12 models, these versions cater to lighter applications without compromising on quality. The DS-74S12 is designed with portability in mind, making it an excellent choice for fieldwork and smaller workshops. It features a compact design while still delivering impressive performance, ideal for less demanding tasks. The DS-74D12 variant shares this lightweight construction but offers the added benefit of dual-functionality. Users can effortlessly switch between welding and cutting, accommodating various project requirements.

Across the board, these models incorporate Miller’s innovative technologies. Their advanced inverter technology helps increase efficiency, reduce energy consumption, and minimize noise levels during operation. Additionally, the use of durable materials ensures longevity and resilience in harsh working conditions.

The entire range is characterized by ease of maintenance and serviceability, with components designed for quick replacement when needed. User support and comprehensive documentation provided by Miller Electric further enhance the experience for both novice and experienced welders.

Overall, the DS-74S16, DS-74D16, DS-74S12, and DS-74D12 models represent a perfect blend of power, flexibility, and precision, catering to the evolving needs of professionals in the welding industry. These machines are suitable for diverse applications, ranging from heavy industrial tasks to light repairs, making them an invaluable addition to any welder’s arsenal.
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