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Echo Chain Saw CS590 2019 Ignition Assembly Replacement

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  1. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Turn off the chainsaw: étape 1, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Turn off the chainsaw: étape 1, image 2 de 2
    • Make sure you have the ignition switch turned off before starting your repair.

    • The chainsaw should be cool to the touch before continuing.

  2. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Loosen the air filter cover: étape 2, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Loosen the air filter cover: étape 2, image 2 de 2
    • Use your fingers to loosen the air filter cover knob.

  3. Echo Chain Saw CS590 2019 Ignition Assembly Replacement: étape 3, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement: étape 3, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement: étape 3, image 3 de 3
    • Remove the air filter cover.

  4. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Disconnect the spark plug: étape 4, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Disconnect the spark plug: étape 4, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Disconnect the spark plug: étape 4, image 3 de 3
    • Use your fingers to pull up and disconnect the spark plug boot.

  5. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the air filter: étape 5, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the air filter: étape 5, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the air filter: étape 5, image 3 de 3
    • To minimize debris entering the intake, pull the choke shut before continuing.

    • Remove the air filter

    • During reassembly, clean the air filter with compressed air or with light brushing before reinstalling it.

  6. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the front handle: étape 6, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the front handle: étape 6, image 2 de 2
    • Use a T25 Torx screwdriver to remove the five screws securing the front handle to the bottom and right side of the device:

    • Four 24 mm-long screws

    • One 25 mm-long screw

  7. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the front handle: étape 7, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the front handle: étape 7, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the front handle: étape 7, image 3 de 3
    • Pull the handle toward the rear of the device to remove it.

  8. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the sprocket guard: étape 8, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the sprocket guard: étape 8, image 2 de 2
    • Use a 13 mm wrench to remove the two nuts securing the sprocket guard.

  9. Echo Chain Saw CS590 2019 Ignition Assembly Replacement: étape 9, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement: étape 9, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement: étape 9, image 3 de 3
    • Remove the sprocket guard.

  10. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the guide bar: étape 10, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the guide bar: étape 10, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the guide bar: étape 10, image 3 de 3
    • Push the guide bar towards the back of the device to create slack in the saw chain.

    • Pull the guide bar away from the device to separate the saw chain from the clutch drum.

    • Remove the guide bar.

  11. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the front hand guard: étape 11, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the front hand guard: étape 11, image 2 de 2
    • Make sure the front hand guard is in the unlocked position before continuing.

    • Use a T25 Torx screwdriver to remove the two 20 mm screws securing the front hand guard.

  12. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the front hand guard: étape 12, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the front hand guard: étape 12, image 2 de 2
    • Pull the front hand guard toward the rear of the device to remove it.

  13. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the engine cover: étape 13, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the engine cover: étape 13, image 2 de 2
    • Use a T25 Torx screwdriver to remove the three 20 mm screws securing the engine cover.

  14. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the engine cover: étape 14, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the engine cover: étape 14, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the engine cover: étape 14, image 3 de 3
    • Pull the engine cover straight off the device to remove it.

  15. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the starter case: étape 15, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the starter case: étape 15, image 2 de 2
    • Use a T25 Torx screwdriver to remove the four 24 mm screws securing the starter case.

  16. Echo Chain Saw CS590 2019 Ignition Assembly Replacement: étape 16, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement: étape 16, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement: étape 16, image 3 de 3
    • Remove the starter case.

  17. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Reposition the spark plug cable: étape 17, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Reposition the spark plug cable: étape 17, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Reposition the spark plug cable: étape 17, image 3 de 3
    • Use your fingers to reroute the spark plug cable from its slot in the fan cover.

  18. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Reposition the ignition coil cable: étape 18, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Reposition the ignition coil cable: étape 18, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Reposition the ignition coil cable: étape 18, image 3 de 3
    • Use your fingers to reroute the ignition coil cable from its slot in the fan cover.

  19. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Disconnect the ignition coil: étape 19, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Disconnect the ignition coil: étape 19, image 2 de 2
    • Use pliers, or your fingers, to disconnect the ignition coil cable's spade connector.

    • Grip the connector by the base of the clear head and not the wire itself.

  20. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the ignition coil: étape 20, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the ignition coil: étape 20, image 2 de 2
    • Use a T25 Torx screwdriver to remove the two 20 mm screws securing the ignition coil.

    • During reassembly, insert the ignition air gap gauge to ensure a 0.35 mm space between the coil and the magnet.

  21. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the ignition coil: étape 21, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the ignition coil: étape 21, image 2 de 2
    • Remove the ignition coil.

  22. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the flange nut: étape 22, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the flange nut: étape 22, image 2 de 2
    • Wedge a flathead screwdriver between the chassis and the flywheel's spokes to prevent the flywheel from spinning.

    • Alternatively, you can seize the piston by inserting a rope down the spark plug shaft.

    • Use a 13 mm wrench to loosen and remove the flange nut located in the middle of the flywheel.

  23. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the starter pawls: étape 23, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the starter pawls: étape 23, image 2 de 2
    • Use a T25 Torx screwdriver to remove the two 16 mm screws securing the starter pawls.

    • Remove the starter pawls.

  24. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Starter pawl assembly information: étape 24, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Starter pawl assembly information: étape 24, image 2 de 2
    • During reassembly, be sure to reinstall the starter pawl assembly top to bottom in the following order:

    • 16 mm screw

    • Washer

    • Starter Pawl

    • Spacer

    • Torsion Spring

  25. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the flywheel: étape 25, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Unfasten the flywheel: étape 25, image 2 de 2
    • Use a flywheel puller to disconnect the flywheel from the woodruff key.

  26. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the flywheel: étape 26, image 1 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the flywheel: étape 26, image 2 de 3 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the flywheel: étape 26, image 3 de 3
    • Pull the flywheel straight off of the crankshaft and remove it.

  27. Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the woodruff key: étape 27, image 1 de 2 Echo Chain Saw CS590 2019 Ignition Assembly Replacement, Remove the woodruff key: étape 27, image 2 de 2
    • Insert a flathead screwdriver into the gap at the top of the woodruff key.

    • Pry with the screwdriver to separate the key from the crankshaft.

  28. Echo Chain Saw CS590 2019 Ignition Assembly Replacement: étape 28, image 1 de 1
    • Use pliers, or your fingers, to remove the woodruff key.

    • During reassembly, be sure to reinsert the woodruff key with the flat side facing outward.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Une autre personne a terminé cette réparation.

Alex Diaz-Kokaisl

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