God Bless 

America

09/11/2001

Updates to be added next month.

1. EXAMPLE OF USING HFD READINGS TO FIND BEARING PROBLEMS.

2. EXAMPLE OF USING TIME DOMAIN READINGS TO FIND A BAD GEAR TOOTH.

3. EXAMPLE OF A 1000 HP FAN BEARING OUTER RACE SPALLING.

4. EXAMPLE OF A BEARING THAT EXHIBITS A PRE-LOADED CONDITION.

5. EXAMPLE OF DC MOTOR BEARING ELECTRICAL FLUTING.

6. EXAMPLE 1 OF A SHEARER RANGING ARM PLANETARY CARRIER BEARING.

7. EXAMPLE OF OPERATIONAL DEFLECTION SHAPE (LONGWALL TAIL DRIVE) ODS.

8. EXAMPLE 2 OF A PLANETARY CARRIER BEARING.

9. EXAMPLE OF A MOTOR BEARING CAGE DEFECT..

10. USE OF ENVELOPED GS TO DETERMINE WHICH BEARING IS BAD.

11. FINDING THE CORRECT BEARING TO SAVE MAINTENANCE COST.

12. VENTILATION FAN AIR PULSATION READINGS.

For a copy of any newsletter please contact me at lmassey@ma.rr.com , the spectrum graphics will be more defined.

Look for updates each month.

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Last modified: January 16, 2008