﻿GET_GEVOMechL2_09_01_01_50 - STEP-BY-STEP Cont Screen
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9. Bar over the engine to the cam gear positions B, C, D and E stopping each time to record the gauge reading with the proper signage.

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10. Calculate the TIR.

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<b>Note:</b> If the TIR is greater than 0.0005 inches (0.0127 mm), adjustment to the shim pack thickness is required.

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If the TIR is less than 0.0005 inches (0.0127 mm), no adjustment is required.

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11. Calculate the top right (engine right/locomotive left) and the top left (engine left/locomotive right) shim pack adjustment, by using the formulas:

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Top Left (TL) = (-13.3 x E) + (5.4 x C)

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Top Right (TR) = (5.29 x E) + (6.4 x C)

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<b>Note:</b> The negative solutions to the formulas require removing that amount of shim thickness and the positive solutions require adding shims.

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<b>Note:</b> For the EVO12 diesel engine, a limited number of shim adjustment values for various C and D readings have been tabulated.

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For values of C and E not in the tables, revert to the formulas.
