5-4. Activating The Dry Charge Battery (If Applicable)

3

2

1

4

5 A For 30 Minutes

OR+

Tools Needed:

30 A For 12 Minutes

 

! Always wear a face shield, rubber gloves and protective clothing when working on a battery.

Remove battery from unit.

5Vent Caps

6Sulfuric Acid Electrolyte (1.265 Specific Gravity)

7Well

Fill each cell with electrolyte to bottom of well (maximum).

! Do not overfill battery cells.

Wait ten minutes and check electro- lyte level. If necessary, add electro- lyte to raise to proper level. Reins- tall vent caps.

8 Battery Charger

! Read and follow all instruc- tions supplied with battery charger.

Charge battery for 12 minutes at 30 amperes or 30 minutes at 5 am- peres. Disconnect charging cables and install battery.

.When electrolyte is low, add

only distilled water to cells to maintain proper level.

drybatt1 6/05 − S-0886

5-5. Connecting The Battery

. Close door after connecting battery.

! Connect Negative (−) Cable Last.

+

Tools Needed: 1/2 in

803 563 / Ref. 217 357-A / S-0756-C

OM-4433 Page 22

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Miller Electric Big Blue 300 manual Activating The Dry Charge Battery If Applicable, Connecting The Battery

Big Blue 300 specifications

The Miller Electric Big Blue 300 is a powerful and versatile engine-driven welder that has become a popular choice for professionals in various industries. Designed to excel in both welding and generator applications, the Big Blue 300 provides reliable performance, advanced technology, and exceptional durability, making it suitable for demanding work environments.

One of the standout features of the Big Blue 300 is its impressive output capabilities. With a maximum welding output of 300 amps, this machine can handle a wide range of welding applications, from stick to TIG and MIG processes. The dual voltage output allows for versatility in the field, accommodating both 120V and 240V power requirements, ensuring you can power tools and equipment directly from the welder.

The Big Blue 300 is equipped with Miller's innovative Clean Air Technology, which ensures that the engine operates efficiently and produces fewer emissions. This feature not only meets environmental standards but also enhances the longevity of the machine. The cooling system is engineered to maintain optimal operating temperatures, extending the life of the engine and related components.

For ease of use, the Big Blue 300 features an intuitive control panel with easy-to-read gauges and simple adjustment settings, allowing operators to quickly set welding parameters. The built-in Fuel Gauge and Hour Meter provide real-time information about fuel levels and usage, enabling efficient operation and maintenance planning.

Another notable characteristic of the Big Blue 300 is its rugged construction. Built to withstand harsh job site conditions, the machine features a durable frame and heavy-duty components that can endure the rigors of everyday use. The oversized wheels and solid axle design enhance portability, making it easy to transport across various terrains.

Additionally, the Big Blue 300 is designed for quiet operation, making it suitable for locations where noise levels are a concern. Its low decibel rating ensures that it won’t disturb the work environment, contributing to a more comfortable and productive atmosphere.

Overall, the Miller Electric Big Blue 300 is a robust engine-driven welder that combines power, efficiency, and portability. Whether working on construction sites, maintenance tasks, or fabrication projects, this machine delivers exceptional performance and reliability, making it a valuable tool for professionals who demand the best in their equipment.