1. © 2009 Chevron Oronite Companies. All rights reserved. New Liner and Ring Batch Effects in the Mack T-12 Presented to Mack Surveillance Panel Conference Call 20101103 Jim Rutherford

2. 2 © 2009 Chevron Oronite Companies. All rights reserved. Summary  Pb (3 of 4) and Pb2 (2 of 4) higher with T batch rings  CLW dropped, not rings and liners – correction factor needed?  OC higher with T rings  Higher Fe with newer parts?  Different profiles?  No effect on MRV100

3. 3 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches Pb higher

4. 4 © 2009 Chevron Oronite Companies. All rights reserved. T12: Ring and Liner Batches Pb2 higher

5. 5 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches CLW dropped, not rings and liners.

6. 6 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches TRWL hard to tell

7. 7 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches OC higher with T rings

8. 8 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches Mack merits lower?

9. 9 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches Higher Pb function of OC?

10. 10 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches Higher Pb2 function of OC?

11. 11 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches

12. 12 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches

13. 13 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches

14. 14 © 2009 Chevron Oronite Companies. All rights reserved. T12: Bearing and Main Batches

15. 15 © 2009 Chevron Oronite Companies. All rights reserved. T12: Bearing and Main Batches

16. 16 © 2009 Chevron Oronite Companies. All rights reserved. T12: Bearing and Main Batches

17. 17 © 2009 Chevron Oronite Companies. All rights reserved. T12: Bearing and Main Batches

18. 18 © 2009 Chevron Oronite Companies. All rights reserved. T12: Bearing and Main Batches

19. 19 © 2009 Chevron Oronite Companies. All rights reserved. T12: Bearing and Main Batches

20. 20 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches The correction factor (osCLW x 0.58) was intended to bring R batch rings back to target (16.2).

21. 21 © 2009 Chevron Oronite Companies. All rights reserved. T12: Bearing and Main Batches The correction factor (osCLW x 0.58) was intended to bring R batch rings back to target (16.2).

22. 22 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches Higher Fe with newer parts?

23. 23 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches

24. 24 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches

25. 25 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches ST may be more consistent across cylinders than historical batches

26. 26 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches ST may be more extreme on cylinders 3 and 5 than historical batches

27. 27 © 2009 Chevron Oronite Companies. All rights reserved. T12: Liner and Ring Batches

28. 28 © 2009 Chevron Oronite Companies. All rights reserved. T12: Bearing and Main Batches