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Miller Magnetic Speed Sensor 256696

$2,328.56/EA $1,634.20/1 PER EA only $1,634.20/EASave 30%

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OVERVIEW

Restore Your Welder's Performance with the Miller 256696 Pickup

Is your Miller engine drive welder hunting for idle, shutting down unexpectedly, or displaying speed sensor error codes? The issue might be a small but vital component: the Miller 256696 Magnetic Pickup. This sensor acts as the "eyes" of your machine's computer, watching how fast the engine or wire feeder is spinning. When it fails, your welder loses track of what it's doing, leading to performance issues that can stop a job in its tracks. Replacing a faulty pickup with this genuine Miller part is often the solution to getting your equipment back to running smooth and steady.

The magnetic pickup works by sensing metal gear teeth spinning past it. It sends a pulse to the control board for every tooth that passes, allowing the machine to calculate RPM instantly. Over time, these sensors can fail due to internal wire breaks, heat stress, or simply getting covered in too many metal shavings which interfere with the magnet. The Miller 256696 is built tough to handle the vibration and heat of a welding environment, but like all electronic parts, it may eventually need replacement. Using a genuine Miller part guarantees that the plug fits, the threads match, and—most importantly—the signal it sends is exactly what your welder is listening for.

Don't risk your machine's reliability with generic sensors that might not be calibrated correctly. A sensor that isn't quite right can cause your engine to rev too high or your wire to feed inconsistently, resulting in poor weld quality. This OEM replacement is the exact same part that was installed at the factory. It is designed to thread directly into the housing on your specific Miller model, making installation straightforward for those comfortable with basic wrenching.

Installation Tip: When installing a new magnetic pickup, it is often crucial to set the correct distance (gap) between the sensor tip and the gear. If it's too far away, the signal will be weak; too close, and it might hit the gear. Always consult your machine's service manual for the specific adjustment procedure for the 256696 to ensure it works perfectly from the first start-up. Keep your Miller a Miller with authentic repair parts.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Product Type:Magnetic Pickup, Sensor
Part Number:256696

INCLUDED

  • 1 x Miller 256696 Magnetic Pickup Sensor
  • Installation Hardware (if applicable to specific batch)

APPLICATIONS

  • Engine RPM sensing in Miller engine-driven welders
  • Wire feed speed monitoring in industrial wire feeders
  • Rotational speed feedback for governor control systems
  • Replacement of damaged or non-conductive magnetic sensors
  • General speed monitoring in compatible Miller equipment

FAQ

It is a sensor used to detect rotational speed, typically of an engine flywheel or wire feed drive roll, by generating an electrical pulse as metal gear teeth pass its magnetic tip.

Because Miller uses various sensors across different models, you must verify fitment using your machine's serial number or consult the parts manual for your specific unit.

Common symptoms include the engine hunting for idle, the machine shutting down after starting, erratic wire feed speeds, or specific error codes related to speed sensors or tachometers.

No, magnetic pickups of this type are typically passive devices that generate their own voltage signal through magnetic induction when a ferrous object passes the pole piece.

It generally threads into a housing near a gear. You typically screw it in until it touches a gear tooth, then back it out a specific number of turns (as per the manual) to set the correct air gap, and lock it in place with a jam nut.

Sometimes. If the tip is covered in metal shavings (swarf), cleaning it may restore the signal. However, if the internal coil has failed or the magnet has lost strength due to heat, replacement is necessary.

Yes, this is a genuine Miller Electric replacement part, ensuring exact compatibility with Miller equipment specifications.

The voltage amplitude generated by the sensor decreases exponentially as the gap increases. An incorrect gap can result in a signal too weak for the control board to detect.
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