FM-17: 锯片正常但锯发出磨擦、刮擦、敲击或强烈振动声

确认锯片直且夹紧正确，但锯在空载或轻切时产生破坏性机械噪音或强烈振动。

• Lower or upper guard is contacting the blade
• Bearing, spindle, gear, or motor rotor is damaged
• Foreign debris is inside the guard or drive area
• Shoe, handle, housing, or gearcase is loose or cracked

1. The repaired saw hand-turns smoothly and runs at no load and through a light cut without grinding, scraping, knocking, abnormal play, or heavy vibration.

1. Release the trigger, wait for a complete stop, remove the battery, and do not keep running the saw to identify a destructive sound.
2. - Confirm the blade is sound, correct, centered, and clamped - clear dry external debris and check both guards, shoe, handles, and housing for visible contact
3. With the battery removed, hand-turn the blade and feel for scrape, roughness, play, knock, or a point of binding.
4. If a sound blade still produces internal roughness, noise, play, or heavy vibration, keep the saw out of service for authorized spindle, bearing, gearcase,

这是完整维修手册中所含故障排除指南的预览。

• 上护罩
• 齿轮箱、齿轮、轴承或主轴
• 锯片锁、锯片扳手、夹紧screw及垫圈
• 下护罩、缩回杠杆、枢轴及弹簧
• 齿轮箱、齿轮、轴承及主轴
• 7-1/4英寸木工锯片

• 锯片正常但锯发出磨擦、刮擦、敲击或强烈振动声

  确认锯片直且夹紧正确，但锯在空载或轻切时产生破坏性机械噪音或强烈振动。

• 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。