6-3. Connecting Optional Auxiliary Power Plant

Front

11 10

1

F3

 

 

 

 

 

2

 

240V

 

F2

 

 

 

 

 

3

240V

240V

240V

F1

 

 

 

 

 

YStop engine.

YPower and weld outputs are live at the same time. Discon- nect or insulate unused cables.

.Have qualified person install ac- cording to circuit diagram and Auxiliary Power Guidelines Booklet (M176 712).

.Place optional Process switch in Stick position when using op- tional auxiliary power plant.

Remove junction box cover.

1Lead 93

2Lead 92

3Lead 91

4Lead 90 (Neutral)

5Isolated Neutral Terminal

6Jumper Lead 42

7Grounding Terminal

8Lead 42 (Circuit Grounding Lead)

120V

120V

4

5

6

7

8

AC

Single

Three

Phase

Phase

Output

 

1

3

Volts

120/240

240

Amps

35

30

KVA/KW

8.5

12.5

Frequency

60 Hz

Engine Speed

1850 RPM

Max. Fuse Size

45 Amperes

Lead 42 connects to GROUND stud on front of unit.

13

9

93

91

90

Jumper 42 is connected to 90 at factory.

92

Tools Needed:

Jumper 42 is connected to lead 90 at factory. Jumper 42 may be discon- nected from neutral to meet applica- ble electrical codes.

Lead 42 connects to front panel Ground stud.

9User-Supplied Leads

10Load Terminals

Connect leads to terminals.

11 Fuses F1, F2, And F3

F1, F2, and F3 protect each load line from overload.

.Set Engine Control switch to Run when using auxiliary power.

Ref. S-185 000–A

OM-477 Page 23

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Hobart Welding Products OM-477 manual Connecting Optional Auxiliary Power Plant, Front

OM-477 specifications

Hobart Welding Products has long been recognized for delivering high-quality welding equipment tailored to the needs of both professionals and DIY enthusiasts. Among its distinguished offerings is the OM-477, a versatile multi-process welder designed to excel in a variety of welding applications. This machine integrates an array of features and technologies that cater to both novice and experienced welders.

One of the defining characteristics of the OM-477 is its multi-process capability, which allows users to perform MIG, TIG, and stick welding with ease. This flexibility makes it an ideal choice for a wide range of projects, from automotive repair to light fabrication tasks. The seamless transition between processes is facilitated by a user-friendly interface that simplifies the selection and adjustment of settings, ensuring a smoother workflow.

The OM-477 is powered by a robust, industrial-grade inverter technology that provides high arc stability and increased energy efficiency. This not only enhances performance but also reduces power consumption, making it an environmentally friendly option. Welders can operate at various output ranges, accommodating different materials, including mild steel, stainless steel, and aluminum, thus ensuring versatility in project execution.

Another notable feature of the OM-477 is its portability. Weighing in at a manageable size, this welder is equipped with a durable carry handle, allowing for easy movement between job sites or within the workshop. This characteristic complements its user-friendly setup, making it accessible for individuals of all skill levels.

Safety is a pivotal aspect of the design of the OM-477. It incorporates multiple safety features such as a thermal overload protection mechanism, ensuring that the machine operates well within safe parameters. This is crucial for preventing overheating, thereby extending the welder's lifespan and reducing maintenance costs over time.

Additionally, the OM-477 offers precise control over welding parameters, enabling users to fine-tune their settings for optimal results. Whether tackling thin sheet metal or thicker materials, the welder’s adjustment capabilities ensure a clean, professional finish.

In summary, the Hobart OM-477 stands as a testament to innovative welding technology, combining multi-process functionality, inverter efficiency, portability, and safety into a single machine. It is a reliable tool designed to empower welders at any skill level, making it a worthy addition to any welding arsenal. With the OM-477, Hobart Welding Products continues to champion quality and user satisfaction in the welding industry.