﻿GET_GEVOMechL2_09_01_01_48 - STEP-BY-STEP Screen
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Typical steps to align the alternator and engine are as follows:

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<b>Note:</b> Crankshaft Deflection Gauge Kit (TESCO T81254) contains a dial indicator with the necessary 0.0001-inch (0.00254-mm) resolution.

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<b>Caution:</b> Do not use a dial indicator with insufficient resolution such as the 0.001-inch (0.0254-mm) dial indicator.

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Using this type of indicator will result in a poorly aligned alternator.

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<b>Caution:</b> Do not confuse the +/- signs on some gauge faces while recording web deflection readings.

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Regardless of the dial face sign, record as negative (-) the values located to the side of zero where the needle moves when pushing in on the probe tip.

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Record as positive (+) the values to the side of zero where the needle moves when releasing the probe tip. 

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1. Rotate the gauge's outer ring to zero the gauge to the needle, then press the probe tip in and out to ensure the needle returns to zero without binding. 

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<b>Note:</b> Replace the gauge as needed.

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2. Observe the needle movement direction as the probe is pressed and released.

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a. Regardless of “+” and “-” markings or no markings on the indicator face, the clockwise needle movement when the probe is pressed in is considered to be increasing the compression of the web.

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b. The needle movement in a counterclockwise direction as the probe is released is considered to be increasing the spread of the web. 

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3. After mounting the probe with a pre-load and zeroing the gauge, record the face-on indicator readings to the right of zero as negative values and face-on readings to the left of zero as positive values.




