failure mode

FM-14: Sanding pad has mechanical looseness at its mount

With the battery removed, the pad rocks, clunks, or has movement at the hub beyond normal orbital compliance.

Diagnostic overview

With the battery removed, the pad rocks, clunks, or has movement at the hub beyond normal orbital compliance.

Likely Root Causes

  • Four pad screws are loose or damaged
  • Pad hub or platen is worn
  • Bearing retainer or drive bearing is damaged
  • Impact or incorrect reassembly

Quick Checks

  1. The pad is securely retained without clunking at the mount.

Repair Preview

  1. Remove the battery and gently rock the pad at the hub while supporting the tool.
  2. Inspect all four screw seats and the pad for cracks without opening the housing.
  3. If only the consumable pad is damaged, replace it by the published four-screw procedure.
  4. If looseness remains at the platen or bearing, stop and use authorized service.

This is a preview of the troubleshooting guidance included in the full repair manual.

Common Fixes

  • Eccentric drive and bearing
  • Sanding pad and four screws

Related symptoms

  • Sanding pad has mechanical looseness at its mount

    With the battery removed, the pad rocks, clunks, or has movement at the hub beyond normal orbital compliance.

Included in the full manual

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

Public pages show a preview only. Purchase the full manual to download complete repair steps, diagrams, and verification procedures.

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