failure mode

FM-19: 垫子转动时出现异常驱动接触噪音

垫转动时,工具下方重复发出磨擦或刮擦声。

诊断概览

垫转动时,工具下方重复发出磨擦或刮擦声。

可能根本原因

  • Pad or dust skirt is rubbing
  • Belt is damaged or misrouted
  • Drive bearing or eccentric is failing
  • Debris entered the pad/drive clearance

快速检查

  1. The drive turns quietly after an external rub is corrected, or the tool is removed from service.

维修预览

  1. Set O, remove the battery immediately, and do not repeat the noise under load.
  2. 拆下砂盘,检查垫片、裙边、四个screws及可见间隙是否有摩擦碎屑。
  3. - 手动旋转垫片
  4. - 仅修正已证实的外部摩擦

这是完整维修手册中所含故障排除指南的预览。

常见修复

  • 偏心驱动和轴承
  • 无刷motor和风扇
  • 垫速控制belt

相关症状

  • 垫子转动时出现异常驱动接触噪音

    垫转动时,工具下方重复发出磨擦或刮擦声。

包含在完整手册中

  • 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。

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