Original Makita compression spring — part 233218-0 (listed as "Compression Spring 55"). This is the genuine Makita replacement spring used in the hammer/crank assembly of several Makita demolition/rotary hammers; it’s a steel compression spring made to the same fit and tension specification as the factory part.
Why this part matters: the spring restores proper striker/crank return and impact timing so the hammer delivers full percussive force and smooth cycling. It’s sold as a single, drop‑in replacement and is the exact numbered part Makita shows in the parts breakdown.
Compatibility (examples): HM1202C, HR5001C and models that share the HR5001C/HM1202C parts assembly (also referenced for HM1242C in parts listings). Always match the part number 233218-0 to your tool’s parts diagram before installing.
Key specs at a glance:
- Makita part number: 233218-0 (Compression Spring 55).
- Function: steel compression spring for the hammer/crank/striker sub‑assembly (factory tension/fit).
Simple, original‑Makita replacement that gets worn hammers back to spec — install where the parts diagram indicates and the tool will regain proper impact action.
Jump straight to the Makita spare parts diagrams:
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