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This is a prerequisite-only guide! This guide is part of another procedure and is not meant to be used alone.
Use this guide to replace the guide bar and saw chain in your Echo Chain Saw CS-4910 (2020).
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Make sure you have the ignition switch turned off before starting your repair.
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Use your fingers to loosen the air filter cover knob.
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Remove the air filter cover.
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Remove the air filter
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Use your fingers to pull up and disconnect the spark plug boot.
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Use a 13 mm wrench to loosen and remove the two nuts securing the sprocket guard.
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Pull the sprocket guard straight off its two pegs and remove it.
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Pull the saw chain away from the tip of the guide bar to unclip it.
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Push the guide bar towards the back of the device to unclip the rest of the saw chain.
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Pull the guide bar away from the device to separate the saw chain from the clutch drum.
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Remove the guide bar and the saw chain.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
