Power is sporadic or reduced, unusual motor noise appears, or brush sparking is excessive.

Power is sporadic or reduced, unusual motor noise 1. Center-lock the trigger, remove the battery, and let the motor cool fully.

• FM-13: Fm 6 1 2

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

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