Rebuilding a DC forklift motor (mostly about turning a damaged commutator)


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Reid Allaway   |   3 год.
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Rebuilding a DC forklift motor (mostly about turning a damaged commutator) - Видео онлайн

Here’s a video I shot while rebuilding a large DC traction motor from a Daewoo/Doosan forklift. The motor is about 11” in diameter, 14” long and weighs 200lbs (that’s 28cm x 35cm @ 80kg for those in the modern world).

The motor, and the forklift it belongs to, have low hours but the previous owner had overloaded the drive motor often and hard enough to damage the brushes and commutator and even melt some of the brass brush holder.

This video primarily covers my attempt to repair the commutator on the lathe but also shows some steps in reassembly and final test of rebuild motor.

To my profound relief it seems to be virtually good as new

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Rebuilding a DC forklift motor (mostly about turning a damaged commutator) - Видео онлайн