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Quad Plus

Shredder Drive Maintenance Joe Kowalkowski Engineering Manager – Recycling Industry 815-953-0423. Quad Plus. Shredder Drive Maintenance. Presentation Overview Introduction Safety Motor Maintenance Liquid Rheostat Drive Shaft Electrical Cabinets DC Configuration Switchgear

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Quad Plus

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  1. Shredder Drive Maintenance Joe Kowalkowski Engineering Manager – Recycling Industry 815-953-0423 Quad Plus

  2. Shredder Drive Maintenance • Presentation Overview • Introduction • Safety • Motor Maintenance • Liquid Rheostat • Drive Shaft • Electrical Cabinets • DC Configuration • Switchgear • Transformers • Extended Downtime Quad Plus

  3. Shredder Drive Maintenance - Safety • Lock Out Tag Out • Follow procedures for your site • Ask management • Take OSHA course • Responsibility of Equipment Suppliers Quad Plus

  4. Shredder Drive Maintenance - Safety • Clothing and protective equipment • Fire resistant clothing • Eye protection • Ear protection • Hard hats • Etc • Arc Flash • If working near medium voltage, be aware of added caution for arc flash. Quad Plus

  5. Shredder Drive Maintenance - Motors • Regular Motor Maintenance • Bearing Lubrication • Change Filters • Motor Cleaning • Inspect brushes • Look over windings • Record commutator / slip ring condition. • Vacuum and blow the unit out • Never use liquid solvents!!!! • No Silicone!!! Quad Plus

  6. Shredder Drive Maintenance - Motors • Regular Motor Trending • Vibration analysis • Laser alignment • Thermo imaging • Meggering • Commutators / slip ring run out checks Quad Plus

  7. Shredder Drive Maintenance - Periodic Motor Maintenance • Upon Arrival • Lock out equipment and verify lock out • Quick site inspection • Open inspection plates • Inspect shaft / coupling for loose bolts • Inspect brush condition • Inspect commutator / slip ring condition Quad Plus

  8. Shredder Drive Maintenance - Periodic Motor Maintenance • Clean Motor • Vacuum • Blown out (no liquid solvents, dry air only) • Wipe brush arms • Clean Lexon covers • Wipe down and blow out blower motors. • Clean or replace blower filters. • Clean up after installation of brushes Quad Plus

  9. Shredder Drive Maintenance - Periodic Motor Maintenance • Verify insulation condition: • Megger motors prior and after cleaning. • Change Brushes if needed • Inspect Blowers  • Check Mounting Bolts • Inspect RTD Connection Box • Reassemble • Remove Locks Quad Plus

  10. Shredder Drive Maintenance - Broken Hardware Quad Plus

  11. Shredder Drive Maintenance - Burnt Brush Box due to tracking Quad Plus

  12. Shredder Drive Maintenance - High Bar or Out Round Comm Witness Marks Quad Plus

  13. Shredder Drive Maintenance - High Bar or Out Round Comm Witness Marks Quad Plus

  14. Shredder Drive Maintenance - Dirty Blower Quad Plus

  15. Shredder Drive Maintenance - Dirty Filters Quad Plus

  16. Shredder Drive Maintenance - Grounding Path Quad Plus

  17. Shredder Drive Maintenance - Over Greasing Quad Plus

  18. Shredder Drive Maintenance - Tracking on Riser Quad Plus

  19. Shredder Drive Maintenance - Stall Marks (corresponding marks per arm) Quad Plus

  20. Shredder Drive Maintenance - Tracking on Brush Arm Quad Plus

  21. Shredder Drive Maintenance • DC Drive Cabinet • Change filters regularly • Periodically • Verify lock out Tag out • Torque bus bar • Blow dry air • Vacuum • Tighten all leads • Check for condensation coming from conduit • DC Drive specialist log in to look for anomalies Quad Plus

  22. Shredder Drive Maintenance • DC Drive Cabinet Quad Plus

  23. Shredder Drive Maintenance • Motor Starter Cabinet • Change filters regularly • Periodically • Verify lock out Tag out • Blow dry air • Vacuum • Tighten all leads • Check for condensation coming from conduit Quad Plus

  24. Shredder Drive Maintenance • Liquid Rheostats • Log of Salt to Water Ratio • Water Conditioning • Annual Water Changes • Log Conductivity When Cold & at Running Temp • Lubricate Electrode Movement Mechanism • At Water Change Document Electrode Condition • Look for Leaks • Drive Shaft lubrication • Lubricate Per Manufacturers Specs Quad Plus

  25. Shredder Drive Maintenance • Switch Gear • Follow lock out tag out procedures • Breakers • Periodic testing & service by breaker repair tech • Consider using alternative method of lockout i.e. racking out the breaker • Knife switch – Check with Manufacturer for recommended maintenance intervals (i.e. 1000 operations) and procedures Quad Plus

  26. Shredder Drive Maintenance • Transformers • Follow manufacturers procedures • Keep area around transformers clean Quad Plus

  27. Shredder Drive Maintenance • Extended down time • Follow procedures for long term storage of equipment • Keep motor heated to prevent condensation • Turn motor shaft monthly • Re-commission equipment • Megger motors • Have qualified tech. test transformers if they have been de-energized for an extended period Quad Plus

  28. Shredder Drive Maintenance • Be Dedicated to Maintenance • Keep maintenance logs • Check that regular maintenance is done • Track problem • Make personnel responsible • Keep drive and motor & drive room tidy • Review maintenance procedures Quad Plus

  29. Thank You! Questions or Comments? Quad Plus

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