Inleiding
Use this guide to replace the oil system in your Echo Chain Saw CS-590 (2019).
Although it's not necessary to remove the guide bar, it's highly recommended you do so to minimize any damage to the chain and to yourself.
Wat je nodig hebt
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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 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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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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Use a T25 Torx screwdriver to remove the three 20 mm screws securing the engine cover.
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Pull the engine cover straight off the device to remove it.
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Use a flathead screwdriver, or your fingers, to remove the oil filter from its recess in the fuel assembly.
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Insert the edge of a screwdriver between the inner guide plate and the chassis.
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Pry up with the screwdriver to initially separate the plate.
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Slide the plate out of its two bolts to remove it.
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Use a T25 Torx screwdriver to remove the four screws securing the brake cover:
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Three 20Â mm-long screws
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One 16Â mm-long screw
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Pull the brake cover straight off the clutch drum to remove it.
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Use E-ring pliers, or a flathead screwdriver, to remove the E-ring on the clutch drum.
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Use your fingers to pull the washer straight out of its housing to remove it.
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Pull the clutch drum straight out of its recess to remove it.
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Feed a piston stopping cord or rope through the cylinder head into the combustion chamber until the crankshaft can no longer rotate.
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Use a clutch removal tool and a wrench to loosen the clutch assembly.
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Use your fingers to pull the clutch plate straight off of the crankshaft and remove it.
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Use pliers, or your fingers, to pull the collar off of the crankshaft and remove it.
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Use pliers to pull the worm gear straight out its housing to remove it.
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Use your fingers, or a flathead screwdriver, to disconnect the top oil pipe from the oiler assembly.
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Use a T25 Torx screwdriver to remove the two 15Â mm screws securing the oiler assembly.
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Use pliers, or your fingers, to pull the oiler assembly straight out its housing to remove it.
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Use pliers, or your fingers, to pull the washer off of the crankshaft and remove it.
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Use a flathead screwdriver to pry the oil outlet port out its recess in the chassis.
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Remove the oil outlet port.
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Use a pick tool to remove the grommet next to the clutch assembly's recess.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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***Step 36*** Remove the retaining ring . Is there a reason to remove, unless you're doing a complete teardown?
Hi there.
You're right! That was a left over from a different procedure, and I'll remove the step. Thank you!