failure mode
FM-09: FM-09 BIT, SOCKET, OR OUTPUT DRIVE WOBBLES OR RUNS OUT
FM-09 BIT, SOCKET, OR OUTPUT DRIVE WOBBLES OR RUNS OUT
Diagnostic overview
FM-09 BIT, SOCKET, OR OUTPUT DRIVE WOBBLES OR RUNS OUT
Likely Root Causes
- Bit, socket, adapter, or extension is bent
- Accessory is not fully seated or correctly sized
- Debris or burr prevents square seating
- Hex holder or square drive is worn
- Output bearing, anvil, or housing is damaged
Quick Checks
- A known-straight direct accessory runs without visible orbit.
Repair Preview
1.
This is a preview of the troubleshooting guidance included in the full repair manual.
Common Fixes
- Known-straight bit
Related symptoms
A straight bit or socket visibly orbits, shakes, or runs off-center during a brief no-load test.
A straight bit or socket visibly orbits, shakes, or runs 1. Remove battery and strip the tool to its bare output interfaces.
Included in the full manual
- 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.