The collar moves and holds a low numbered setting, but the clutch does not ratchet before a test fastener is overdriven in suitable scrap material.

The collar moves and holds a low numbered setting, but the 1. Remove the battery and set up a matching fastener and sound driver bit in

• FM-20: Fm 6 1

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

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