failure mode

FM-33: 用新正確碟仍有漩渦痕跡

用新嘅正確5吋鉤環圓盤輕壓打磨後,表面仍有明顯漩渦紋。

诊断概览

用新嘅正確5吋鉤環圓盤輕壓打磨後,表面仍有明顯漩渦紋。

可能根本原因

  • Disc is off-center or contaminated
  • Pad is loose, distorted, or worn
  • Excess speed or poor stroke pattern
  • Eccentric drive or bearing is abnormal

快速检查

  1. The controlled test leaves an even scratch pattern without persistent swirls.

维修预览

  1. Remove the battery, center a fresh correct-grit disc, and clean the work surface.
  2. 確認墊片穩固同平整,然後揀合適嘅中速。
  3. 用重疊掃動嘅手勢、輕壓力同適當嘅砂粒漸進打磨。
  4. 如果乾淨嘅廢料上仍有漩渦紋,應該送墊片、震動或者驅動狀況維修。

这是完整维修手册中所含故障排除指南的预览。

常见修复

  • 5吋8孔鉤環砂碟
  • 偏心驅動同軸承
  • 砂光墊同四個 screws

相关症状

  • 用新正確碟仍有漩渦痕跡

    用新嘅正確5吋鉤環圓盤輕壓打磨後,表面仍有明顯漩渦紋。

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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