FM-22: 卡盘无法手动打开或关闭，或钻头无法释放

卡盘无法手动打开或关闭，或钻头无法释放

• Dust, chips, corrosion, or a damaged bit binds the jaws
• The bit is side-loaded or bottomed incorrectly
• Chuck sleeve, jaw scroll, or automatic spindle lock is damaged
• Impact or overtightening distorted the chuck

1. The jaws open and close smoothly and the bit releases by hand, or the seized chuck is removed from owner service.

1. Turn the sleeve by hand through a short open-close range while keeping fingers clear of the bit and jaws.
2. If the sleeve or jaws remain seized, or the bit cannot be released safely, route the chuck and spindle lock to qualified service.
3. Center the direction button, remove the battery, support the tool, and support any sharp or heavy bit so it cannot fall.
4. Brush loose dry debris from the jaw openings and relieve any side load without striking, heating, oiling, or gripping the chuck with powered motion.

这是完整维修手册中所含故障排除指南的预览。

• With the battery removed, the keyless chuck sleeve or jaws remain seized, or a clamped bit cannot be released by normal hand rotation.

  With the battery removed, the keyless chuck sleeve or jaws 1. Center the direction button, remove the battery, support the tool, and support any

• 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。