4-8. Removing Safety Collar And Adjusting Boom

1

Tools Needed: 1-1/8 in

4 3

2

Rod

4

 

 

Rod

3

 

 

2

Increasing Spring

Decreasing Spring

Pressure For A

Pressure For A

Heavy Gun

Light Gun

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 remove safety collar. Boom should balance in any position from horizontal to 60 degrees above horizontal. If neces- sary, 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.

4 Yoke

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

Ref. ST-152 380-A

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

 

 

 

 

 

 

 

 

 

OM-1500−11 Page 13

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Miller Electric SS-74S12, SS-74D12, SS-74S16 manual Removing Safety Collar And Adjusting Boom, Gun Recommendation Table

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

Miller Electric has long been a leader in the field of welding equipment, and their range of gas-powered engine-driven welding machines showcases innovative technology designed for efficiency, reliability, and versatility. Among these products, the Miller SS-74S12, SS-74D16, SS-74S16, and SS-74D12 models stand out, providing robust solutions tailored for a variety of welding applications.

The SS-74S12 is a standout model, known for its smooth operation and user-friendly interface. At the heart of this machine lies a powerful engine that delivers consistent performance, making it ideal for remote job sites where access to power may be limited. The SS-74S12 features advanced inverter technology, ensuring optimal energy consumption without sacrificing welding quality. Its lightweight design enhances portability, allowing for convenient transport across different work sites.

Next in the lineup is the SS-74D16, which caters to users who require increased versatility. This machine incorporates dual-voltage capabilities, enabling it to operate effectively with either 120V or 240V power sources. This flexibility makes it a prime choice for contractors who frequently switch between residential and industrial projects. Additionally, the SS-74D16 is equipped with a digital display, providing real-time feedback on welding parameters, which improves user experience and accuracy.

The SS-74S16 model brings similar features to the table but with a focus on increased duty cycle. This characteristic is particularly advantageous for those engaged in heavy-duty fabrication work where extended periods of operation are commonplace. The enhanced cooling system ensures that the machine remains operational without overheating, allowing for longer, uninterrupted work sessions.

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Together, these models from Miller Electric represent a blend of advanced technology and practical features that cater to the needs of modern welders. Whether requiring mobility, versatility, durability, or compactness, users can find a model that fits their specific welding requirements, all while upholding Miller Electric’s reputation for quality and performance in the industry.