.A complete Parts List is available at www.HobartWelders.com

6-6. Troubleshooting Power Source

Is input power connected to correct line voltage?

Yes

Is Power switch in the On position?

Yes

Is Power light on?

Yes

No

No

No

Connect unit to proper input voltage. (see Section 4-9).

Place Power switch in the On position. (see Section

5-1).

*

Check Power switch S1 (see Section 6-2). Check

Control board PC1.

Are Power and

Temp lights flashing?

No

Is compressor operating?

Yes

Does pilot arc ignite?

Yes

No

No

*

The compressor current lim- it was exceeded either above or below its operating

range (see Section 6-2).

*

Momentarily press torch trigger and listen for com- pressor operation. Check for Postflow air at torch. Check Control board PC1, compressor filter, and com- pressor connections to PC1 and torch.

Press torch trigger and check if pilot arc ignites. Check torch consumables. *Check torch connections, Control board PC1, com- pressor, and torch.

Is Power light flashing?

No

Is Cup light flashing?

No

Is Temp light On?

Yes

Yes

Yes

*

Reset Power switch S1 and verify input line voltage during cutting (see Section 6-2).

Check Control board PC1.

Check torch consumables (see Sections 6-2and 6-3).

*

Unit overheated or ambient temperature is below −40° C (−40° F) (see Section 6-2). Check function of cooling fan.

Yes

Does pilot arc

transfer to workpiece?

Yes

*

Check all connections.

No

Place torch near workpiece and check if pilot arc “jumps” or transfers to workpiece.

Check work clamp connec- tion. *Check Control board PC1 and connections, and torch and its connections.

No

*Servicing procedure to be performed

 

only by authorized Service Station.

OM-230 455 Page 25

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Hobart Welding Products 250ci Troubleshooting Power Source, Check Control board PC1, Only by authorized Service Station
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250ci, HP-25 TORCH specifications

The Hobart Welding Products HP-25 Torch is a robust and versatile tool designed to meet the needs of both professional welders and hobbyists alike. With a powerful 250 cubic inch (ci) capacity, this torch offers impressive performance that accommodates various welding applications, making it a reliable choice for both heavy-duty and light-duty tasks.

One of the main features of the HP-25 is its ergonomic design, which enhances user comfort during prolonged use. The torch is lightweight, reducing operator fatigue, while the grip is designed for easy handling, allowing for greater control and precision in welding. The HP-25 is equipped with a durable, high-quality brass construction that provides excellent resistance to corrosion and wear, ensuring longevity and reliability even in demanding environments.

Technologically, the HP-25 Torch features an advanced cooling system that prevents overheating, allowing for extended use without the risk of damage. This feature is particularly beneficial for welders working on large projects that require continuous operation. Additionally, the torch includes a smooth trigger mechanism for effortless operation, reducing the chances of hand strain and improving overall productivity.

The HP-25 is compatible with a range of fuel gases, including propane, acetylene, and natural gas, making it suitable for various welding processes, from cutting to brazing. This versatility adds to its appeal, as users can adapt the torch to fit specific project requirements without needing multiple tools.

Another notable characteristic of the HP-25 is its adjustable flame control valve, which allows operators to customize their welding flame according to the material being welded and the desired outcome. Whether working on thin metals or thicker materials, the precision of the flame control ensures optimal fusion and minimal distortion.

In summary, the Hobart Welding Products HP-25 Torch is a powerful and flexible welding tool that combines user-friendly design with reliable performance. Its durable construction, advanced cooling system, and compatibility with different fuel gases make it an excellent option for anyone involved in welding tasks, offering the efficiency and effectiveness required in modern metalworking projects. Whether for professional use or personal hobbies, the HP-25 stands out as a significant asset in any welder's toolkit.
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