Discussion: Pump Roller
Part Hardened roller that rolls along the tube and pinches it shut against the track. · View page · History
This page is for disagreements and questions about Pump Roller: a part that does not belong, a quantity that looks wrong, a photo that shows the wrong thing, a claim that needs evidence. Norms that emerge here become the house style; if discussion deadlocks, a reviewer or the admin decides. If you already know the fix, edit the page directly instead of asking permission. Comments are public and attributed to your profile.
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