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

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Presentation on theme: "Quad Plus Shredder Drive Maintenance Joe Kowalkowski Engineering Manager – Recycling Industry 815-953-0423."— Presentation transcript:

1 Quad Plus Shredder Drive Maintenance Joe Kowalkowski Engineering Manager – Recycling Industry

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

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

4 Quad Plus 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.

5 Quad Plus 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 nNever use liquid solvents!!!! nNo Silicone!!!

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

7 Quad Plus 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

8 Quad Plus 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

9 Quad Plus 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

10 Quad Plus Shredder Drive Maintenance - Broken Hardware

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

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

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

14 Quad Plus Shredder Drive Maintenance - Dirty Blower

15 Quad Plus Shredder Drive Maintenance - Dirty Filters

16 Quad Plus Shredder Drive Maintenance - Grounding Path

17 Quad Plus Shredder Drive Maintenance - Over Greasing

18 Quad Plus Shredder Drive Maintenance - Tracking on Riser

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

20 Quad Plus Shredder Drive Maintenance - Tracking on Brush Arm

21 Quad Plus 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

22 Quad Plus Shredder Drive Maintenance DC Drive Cabinet

23 Quad Plus 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

24 Quad Plus 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

25 Quad Plus 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 operations) and procedures

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

27 Quad Plus 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

28 Quad Plus 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

29 Quad Plus Thank You! Questions or Comments?


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