﻿GET_GEVOMechL2_09_01_01_39 - STEP-BY-STEP Screen
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Typical steps to prepare the hardware for alternator installation are as follows:

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1. Prepare the flex plate to alternator rotor bolts for installation as follows:

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a. If re-using the bolts, clean them thoroughly.

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b. Inspect the bolt threads and chase as needed.

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c. Apply Lubriplate<sup>®</sup> 630AA to the bolt threads, washer faces, and contact face of bolt heads.

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2. Apply Lubriplate<sup>®</sup> 630AA to the torsion bar threads, nut threads, and washer faces.

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<b>Caution:</b> Measure and add shims individually to obtain the correct total shim pack thickness.

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Do not assume an overall shim pack thickness accurately reflects a compressed shim pack thickness.

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<b>Caution:</b> Taking accurate measurements with an outside diameter mechanical micrometer is critical in the alignment process.

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3. Build two shim packs with a thickness of 0.075 inches (1.905 mm).

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4. When building the shim packs, ensure the following:

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Do not use wrinkled shims.

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Build the shim pack with the thickest shim against the engine and the thinnest shims sandwiched between thicker shims.

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For greater accuracy, measure individual shim thicknesses with a 0 - 1-inch (0 - 25-mm) Micrometer, not a blade-type caliper.

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<b>Note:</b> Measurement errors of as little as 0.001 inches (0.0254 mm) slow the alignment process.

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Never reuse shims removed from an in-service alternator.

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The displayed table shows the part numbers for the shims and their sizes.

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<b>Note:</b> If ordering shims, the shim pack part number 119X1061 contains one each of the shims shown in the table.

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The shims may also be ordered individually.

