With the chuck stopped and battery removed, the top selector cannot be moved fully into range 1 or range 2, even after the chuck is turned by hand to align the gears.

With the chuck stopped and battery removed, the top selector 1. Stop the chuck completely and remove the battery before touching the speed

• FM-17: Fm 3 1

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

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