FM-20: 离合器从不释放且在低设置时过度驱动紧固件

FM-20

• Collar is actually in drill mode or a high setting
• Fastener, bit, or scrap material is unsuitable for the comparison
• Clutch cam, spring, or detent is jammed
• Gearbox or spindle bypasses the torque-limiting mechanism

1. The clutch ratchets before overdriving at an appropriate low setting, or the no-release fault is proven.

1. Install a verified battery and drive slowly while holding the tool straight, stopping immediately if the fastener begins to overdrive without ratcheting.
2. If several low settings never release under a valid comparison, remove the battery and route the clutch and gearbox to service.
3. Remove the battery and set up a matching fastener and sound driver bit in suitable scrap material.
4. Set the collar to a low numbered position, use range 1, and confirm the index is not on drill mode.

这是完整维修手册中所含故障排除指南的预览。

• 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

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

公开页面仅显示预览。购买完整手册以下载全部维修步骤、图示和验证流程。