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What should I do if the KSB Double-Shaft Shredder jams

2026-08-20 Leave a message

1. Immediate Safety Isolation & Lockout

  • Press emergency stop and cut off main power supply immediately.
  • Engage strict lockout/tagout procedure and hang warning signs.
  • Prevents accidental restart while personnel work inside the crushing chamber.

2. Utilizing Intelligent Auto‑Reverse

  • PLC‑controlled system automatically detects overloads.
  • Trigger reverse function to rotate shafts backward and release trapped material.
  • Often resolves minor jams without manual labor.

3. Safe Manual Clearance of Obstructions

  • Use long‑handled pry bars or hooks – never reach hands directly into the machine.
  • Navigate around sharp blades to remove uncrushable foreign objects.
  • Extract excessively tangled materials causing the mechanical lock.

4. Post‑Clearance Inspection & Safe Restart

  • Manually rotate shafts to confirm no residual friction.
  • Check blades for structural damage and reinstall all safety guards.
  • Run an empty test cycle to ensure smooth operation before reintroducing materials.