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Manuals

BLACK+DECKER BDCI20C 20V MAX IMPACT DRIVER Repair Manual

Symptoms

With the bit removed, the driver makes continuous abnormal grinding, knocking, or scraping.
The motor can be heard, but the front output remains still in both directions with the bit removed.
The Saw Makes Grinding, Scraping, Knocking, Or Heavy Vibration With A Sound Blade
The trigger returns normally and power drops, but the anvil repeatedly coasts instead of stopping promptly.
Abnormal drive-contact noise occurs while the pad turns
With no fastener load, the bare or correctly fitted output sounds harsh, binds, knocks, or shakes abnormally.
The direction lever will not reach forward, reverse, or center lock, or the selected position does not hold.
THE BATTERY WILL NOT SEAT, LATCH, RELEASE, OR STAY SECURE
No-Load Blade Speed Is Low, Surges, Or Cuts In And Out Before Touching Wood
Pad binds after pad-assembly service
A straight bit traces a visible circle at no load instead of rotating on a stable centerline.
WORKLIGHT COMES ON, BUT THE MOTOR WILL NOT START
A straight bit or socket visibly orbits, shakes, or runs off-center during a brief no-load test.
After trigger release, the bit or square drive coasts noticeably longer than normal before stopping.
Trigger binds, fails to return, changes speed erratically, or does not stop the drive.
Tool rotates, but a seated fastener gets little torque or no normal impact pulse.
A correct-looking bit will not enter fully or can be pulled out after the collar is released.
A straight bit stays clamped but rotates off-center, or the chuck body has visible play.
Chuck clicks while tightening
Smoke, flame, severe arcing, liquid, battery damage, melted contacts, exposed parts, or cracked structure.

Failure Modes

part