A straight bit stays clamped but rotates off-center, or the chuck body has visible play.

A straight bit stays clamped but rotates off-center, or 1. Remove the battery and prove a straight bit before judging the chuck.

• FM-10: Fm 4 1 2

• root cause analysis
• tools needed
• step-by-step repair procedure
• diagrams
• exploded views
• post-repair checks

Public pages show a preview only. Purchase the full manual to download complete repair steps, diagrams, and verification procedures.