Introduction
Use this guide to replace the front hand guard in your Echo Chain Saw CS-590 (2019).
What you need
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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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Use your fingers to pull up and disconnect the spark plug boot.
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Use a T25 Torx screwdriver to remove the five screws securing the front handle to the bottom and right side of the device:
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Four 24Â mm-long screws
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One 25Â mm-long screw
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Pull the handle toward the rear of the device to remove it.
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Use a 13Â mm wrench to remove the two nuts securing the sprocket guard.
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Push the guide bar towards the back of the device to create slack in 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.
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Use a T25 Torx screwdriver to remove the two 20Â mm screws securing the front hand guard.
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Pull the front hand guard toward the rear of the device to remove it.
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To reassemble your device, follow these instructions in reverse order.
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