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Mack T-11 LTMS Version 2 Exploration. Mack Surveillance Panel May 25, 2010. Reference oil data summary. Includes 161 reference tests in TMC dataset Includes 134 chartable reference tests Six test laboratories A – 42 chartable tests B – 29 chartable tests D – 16 chartable tests

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mack t 11 ltms version 2 exploration

Mack T-11 LTMS Version 2 Exploration

Mack Surveillance Panel

May 25, 2010

reference oil data summary
Reference oil data summary
  • Includes 161 reference tests in TMC dataset
  • Includes 134 chartable reference tests
  • Six test laboratories
    • A – 42 chartable tests
    • B – 29 chartable tests
    • D – 16 chartabletests
    • F – 14 chartabletests
    • G – 27 chartabletests
    • G1 – 6 chartabletests
  • Latest reference oil result is April 25, 2010
current ltms
Current LTMS
  • Critical Parameter: Soot at 12 cSt viscosity increase – Conduct additional reference test if stand severity EWMA is exceeded and “if the direction of the test stand severity is deemed different from that of the test laboratory”. Conduct additional reference test if stand severity Shewhart limit is exceeded. Apply severity adjustment as for noncritical parameters.
  • Noncritical Parameters: Soot at 4 cSt viscosity increase, soot at 15 cSt viscosity increase, MRV at 180 hours – Apply severity adjustment if lab severity EWMA limit is exceeded.
ltms version 2
LTMS Version 2

ei and Zi Parameter: Soot at 12 cSt viscosity increase

Zi onlyParameters: Soot at 4 cSt viscosity increase, soot at 15 cSt viscosity increase, MRV at 180 hours

review of alarms and actions fate of t 11 calibration attempts current system versus new system
Review of alarms and actionsFate of T-11 Calibration Attempts Current System versus New System
industry ewma for soot at 12 cst
Industry EWMA for Soot at 12 cSt

September 14, 2005:

First ICF