Original Makita 231588-1 — Torsion Spring (listed as "Torsion Spring 9").
This small, original Makita torsion spring is the replacement spring used on Makita planers 2012NB — the 304 mm / 12‑inch planer.
It fits on the feed/sprocket assembly to maintain chain tension and restore consistent feeding — a worn or broken 231588-1 will cause the planer to skip or stop feeding. The part is sold individually and described as a durable metal torsion spring in Makita parts diagrams and repair notes.
This is an original Makita replacement listed in Makita parts price listings, so it’s the direct-fit spring to use when repairing the feed mechanism on compatible Makita planers. Keep this part in mind when sourcing small, reliable parts for power tools.
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