When I am asked about the used machine I would buy, my top choice is the Lincoln Classic II with the Deutz engine. It was the simplest most reliable diesel welder ever manufactured. The welder part is basically the same as most Lincoln welders with AC auxillary.
The Deutz F3L1011 is a very common industrial engine with a long history of reliable service.
The Weldmart Idler upgrade system replaces the orginal solenoid in the original Lincoln system. Lincoln has obsoleted most of the repair parts for this machine. Our system incorporates an "isolation relay" that protects the fragile Lincoln board from solenoid initial overload. This upgrade does not replace your original pc board. Must be used with Lincoln board.
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SKU: WMD-0026
$296.55Price
Weldmart "Ezzee Idler Upgrade" System

The Weldmart Centurion PC board is the most advanced and easiest board to troubleshoot. Three different colored LED indicate status of the board.
The board can be used with a Reed Switch or with the "Hall-Effect Sensor" mounted in the right had corner of the board a simple wire takes the place of the reed switch.
With power to the board, you test the board by passing a small magnet over the Hall Effect Sensor, if the board is good, it will switch from low idle to high welding speed. No meters, no test lights, no guessing!
To check your idler solenoid, with power on, remove the wire on terminal 4 adn touch it to on if the mounting bolts. You get a small spark and hear the solenoid "pull-in".

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