はじめに
The center pulley in the head also contains bearings that might need replacing. This guide will show you how to replace these bearings.
必要な工具と部品
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Loosen tension set screws (on both sides) and make sure tension pulling handle is pushed left.
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Remove the v-band from the pulley.
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Pull the center pulley towards the front, adding slack to the other v-band, and pull the pulley assembly up from the head.
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Remove the internal retaining ring with the snap ring pliers.
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Remove the external retaining ring with the snap ring pliers.
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Press out the axle with the pulley puller.
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Using the bearing removal tool, pull out the first bearing.
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Optionally, you can use a socket to tap out the second bearing. Make sure to use a socket that fits the outer ring of the bearing.
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Pull out the second bearing with the bearing removal tool.
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Place the first bearing on the pulley.
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Press in the bearing to the bottom of the pulley.
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Insert the spacer onto the first bearing.
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Press in the second bearing until it touches the spacer.
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Place the spacer.
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Let the spacer push on something, a large socket for instance, and center it on the press.
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Press in the axle until the retaining ring groove is above the bearing (and the retaining ring can be put back).
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
