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Echo Chain Saw CS4910 2020 Carburetor Replacement

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  1. Echo Chain Saw CS4910 2020 Carburetor Replacement, Turn off the chainsaw: passo 1, immagine 1 di 2 Echo Chain Saw CS4910 2020 Carburetor Replacement, Turn off the chainsaw: passo 1, immagine 2 di 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 CS4910 2020 Carburetor Replacement, Loosen the air filter cover: passo 2, immagine 1 di 2 Echo Chain Saw CS4910 2020 Carburetor Replacement, Loosen the air filter cover: passo 2, immagine 2 di 2
    • Use your fingers to loosen the air filter cover knob.

  3. Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the air filter cover: passo 3, immagine 1 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the air filter cover: passo 3, immagine 2 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the air filter cover: passo 3, immagine 3 di 3
    • Remove the air filter cover.

  4. Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the air filter: passo 4, immagine 1 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the air filter: passo 4, immagine 2 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the air filter: passo 4, immagine 3 di 3
    • Remove the air filter

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

  5. Echo Chain Saw CS4910 2020 Carburetor Replacement, Disconnect the spark plug: passo 5, immagine 1 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Disconnect the spark plug: passo 5, immagine 2 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Disconnect the spark plug: passo 5, immagine 3 di 3
    • Use your fingers to pull up and disconnect the spark plug boot.

  6. Echo Chain Saw CS4910 2020 Carburetor Replacement, Loosen the sprocket guard: passo 6, immagine 1 di 2 Echo Chain Saw CS4910 2020 Carburetor Replacement, Loosen the sprocket guard: passo 6, immagine 2 di 2
    • Use a 13 mm wrench to loosen and remove the two nuts securing the sprocket guard.

  7. Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the sprocket guard: passo 7, immagine 1 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the sprocket guard: passo 7, immagine 2 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the sprocket guard: passo 7, immagine 3 di 3
    • Pull the sprocket guard straight off its two pegs and remove it.

  8. Echo Chain Saw CS4910 2020 Carburetor Replacement, Unclip the saw chain: passo 8, immagine 1 di 2 Echo Chain Saw CS4910 2020 Carburetor Replacement, Unclip the saw chain: passo 8, immagine 2 di 2
    • Put on gloves before performing the next two steps.

    • Pull the saw chain away from the tip of the guide bar to unclip it.

  9. Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the guide bar: passo 9, immagine 1 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the guide bar: passo 9, immagine 2 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the guide bar: passo 9, immagine 3 di 3
    • Push the guide bar towards the back of the device to unclip the rest of the saw chain.

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

    • Remove the guide bar and the saw chain.

  10. Echo Chain Saw CS4910 2020 Carburetor Replacement, Unfasten the engine cover: passo 10, immagine 1 di 2 Echo Chain Saw CS4910 2020 Carburetor Replacement, Unfasten the engine cover: passo 10, immagine 2 di 2
    • Use a flathead screwdriver, or a 3 mm hex key, to remove the three 18 mm screws securing the engine cover.

  11. Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the engine cover: passo 11, immagine 1 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the engine cover: passo 11, immagine 2 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the engine cover: passo 11, immagine 3 di 3
    • Pull the engine cover straight up off the engine.

    • Remove the engine cover.

  12. Echo Chain Saw CS4910 2020 Carburetor Replacement, Disconnect the carburetor: passo 12, immagine 1 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Disconnect the carburetor: passo 12, immagine 2 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Disconnect the carburetor: passo 12, immagine 3 di 3
    • Before performing this step, put on safety glasses to avoid any fuel spraying in your eyes.

    • Use your fingers to pull the top-most fuel pipe out of the carburetor.

  13. Echo Chain Saw CS4910 2020 Carburetor Replacement: passo 13, immagine 1 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement: passo 13, immagine 2 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement: passo 13, immagine 3 di 3
    • Lift the choke rod out of its recess in the chassis.

    • Twist the rod counter-clockwise to disconnect it from the carburetor.

    • Remove the choke rod.

  14. Echo Chain Saw CS4910 2020 Carburetor Replacement, Unfasten the carburetor: passo 14, immagine 1 di 2 Echo Chain Saw CS4910 2020 Carburetor Replacement, Unfasten the carburetor: passo 14, immagine 2 di 2
    • Remove the four screws securing the carburetor and the air filter adapter:

    • Use a 3 mm hex key to remove the two 20 mm-long screws.

    • Use a 4 mm hex key to remove the two 53 mm-long screws.

  15. Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the air filter adapter: passo 15, immagine 1 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the air filter adapter: passo 15, immagine 2 di 3 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the air filter adapter: passo 15, immagine 3 di 3
    • Pull the air filter adapter straight off the carburetor and remove it.

  16. Echo Chain Saw CS4910 2020 Carburetor Replacement, Reposition the carburetor: passo 16, immagine 1 di 2 Echo Chain Saw CS4910 2020 Carburetor Replacement, Reposition the carburetor: passo 16, immagine 2 di 2
    • With the carburetor's choke valve facing you, tilt the carburetor up and to the left to expose the right-most fuel pipe.

  17. Echo Chain Saw CS4910 2020 Carburetor Replacement, Disconnect the right fuel pipe: passo 17, immagine 1 di 2 Echo Chain Saw CS4910 2020 Carburetor Replacement, Disconnect the right fuel pipe: passo 17, immagine 2 di 2
    • Use your fingers to disconnect the right-most fuel pipe.

  18. Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the carburetor: passo 18, immagine 1 di 2 Echo Chain Saw CS4910 2020 Carburetor Replacement, Remove the carburetor: passo 18, immagine 2 di 2
    • Lift the carburetor straight off the throttle rod and remove it.

    • Realign throttle rod upon reassembly.

Conclusione

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

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Alex Diaz-Kokaisl

Membro da: 01/16/22

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