© 2009 Chevron Oronite Companies. All rights reserved.

New Liner and Ring BatchEffects in the Mack T-12

Presented to Mack Surveillance PanelConference Call20101103

Jim Rutherford

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

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T12: Liner and Ring Batches

Pb higher

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T12: Ring and Liner Batches

Pb2 higher

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T12: Liner and Ring Batches

CLW dropped, not rings and liners.

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T12: Liner and Ring Batches

TRWL hard to tell

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T12: Liner and Ring Batches

OC higher with T rings

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T12: Liner and Ring Batches

Mack merits lower?

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T12: Liner and Ring Batches

Higher Pb function of OC?

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T12: Liner and Ring Batches

Higher Pb2 function of OC?

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T12: Liner and Ring Batches

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T12: Liner and Ring Batches

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T12: Liner and Ring Batches

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T12: Bearing and Main Batches

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T12: Bearing and Main Batches

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T12: Bearing and Main Batches

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T12: Bearing and Main Batches

18© 2009 Chevron Oronite Companies. All rights reserved.

T12: Bearing and Main Batches

19© 2009 Chevron Oronite Companies. All rights reserved.

T12: Bearing and Main Batches

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© 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© 2009 Chevron Oronite Companies. All rights reserved.

T12: Liner and Ring Batches

Higher Fe with newer parts?

23© 2009 Chevron Oronite Companies. All rights reserved.

T12: Liner and Ring Batches

24© 2009 Chevron Oronite Companies. All rights reserved.

T12: Liner and Ring Batches

25© 2009 Chevron Oronite Companies. All rights reserved.

T12: Liner and Ring Batches

31.9

10.4

-0.1

-21.9

-7.5

-12.6

29.1

13.4

-0.3

-21.0

-5.6

-15.2

37.5

10.6

-5.5

-14.9

-11.9

-16.4

20.9

-1.3

9.4

-19.9

11.7

-19.0

23.0

9.0

4.8

-16.7

-13.8

-7.8

1

2

3

4

5

6

TRWL Cylinder Profiles by Batch versus Method

ST

SR

RR

old

Method

ST may be more consistent across cylinders than historical batches

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T12: Liner and Ring Batches

4.8

-0.4

-0.4

-1.8

-1.7

-1.4

3.0

0.4

0.7

-2.1

-1.0

-1.0

4.6

4.3

1.4

-2.6

-3.8

-4.0

1.7

1.4

0.3

-2.3

-1.8

0.8

2.7

1.7

5.4

-0.6

-6.3

-3.0

1

2

3

4

5

6

CLW Cylinder Profiles by Batch versus Method

ST

SR

RR

old

Method

ST may be more extreme on cylinders 3 and 5 than historical batches

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T12: Liner and Ring Batches

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T12: Bearing and Main Batches