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Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement

O que você precisa

  1. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Disconnect the spark plug wire: passo 1, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Disconnect the spark plug wire: passo 1, imagem 2 %32
    • Ensure the device is powered down and cool to the touch before starting your repair.

    • Firmly grip the base of the spark plug wire's connector and pull it away from the spark plug to disconnect it.

  2. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Loosen the sight gauge: passo 2, imagem 1 %32
    • Use a 1-1/16 inch socket to break loose the oil sight gauge near the bottom of the device.

    • Do not fully remove the oil sight gauge yet with the device in this upright position.

    • The oil sight gauge doubles as the oil drain and fill plug.

  3. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Prepare a drain pan: passo 3, imagem 1 %32
    • Lay the device down horizontally with the oil sight gauge facing down.

    • Position a shallow oil drain pan underneath the sight gauge.

  4. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Drain the oil: passo 4, imagem 1 %32
    • Remove the oil sight gauge.

    • Let the oil drain until drips are infrequent.

    • Replace and retighten the oil sight gauge.

    • This model requires 0.7 liters of SAE 10W-40 oil.

  5. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Support the device: passo 5, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Support the device: passo 5, imagem 2 %32
    • Flip the device onto the work surface such that the motor and handles face up.

    • Place two separate blocks of wood underneath the seam between the leg assembly and crankcase.

    • Once the two halves separate, each side will need to be supported.

  6. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the leg assembly bolts: passo 6, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the leg assembly bolts: passo 6, imagem 2 %32
    • Use an 8 mm hex key socket to remove the four bolts securing the leg's guiding cylinder to the crankcase.

    • You may need to use an impact driver or breaker bar to break these bolts loose.

    • During reassembly, ensure each bolt has its accompanying lock washer.

  7. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Begin to separate the halves: passo 7, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Begin to separate the halves: passo 7, imagem 2 %32
    • Pull the leg assembly away from the rest of the device.

    • Ensure each half stays adequately supported.

  8. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Reveal the pin: passo 8, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Reveal the pin: passo 8, imagem 2 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Reveal the pin: passo 8, imagem 3 %32
    • Continue to separate the two halves by compressing the bellows until the nylon plug covering the piston pin is visible.

  9. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Procedure tip: passo 9, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Procedure tip: passo 9, imagem 2 %32
    • Tip: To compress the bellows, insert a block of wood between the two halves and pivot the leg assembly off of the crankcase to compress the guide cylinder, revealing the pin.

  10. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the pin: passo 10, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the pin: passo 10, imagem 2 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the pin: passo 10, imagem 3 %32
    • Use an appropriately-sized punch and a ball-peen hammer to tap the pin out of its hole on the guide piston until it is no longer securing the connecting rod.

    • Once the piston and connecting rod are separated, the two halves become completely disconnected and will need to be adequately supported.

    • During reassembly, ensure that both nylon plugs are reinstalled and are flush with the surface of the guide piston.

  11. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the leg assembly: passo 11, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the leg assembly: passo 11, imagem 2 %32
    • Remove the leg assembly from the crankcase.

  12. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Completely remove the pin: passo 12, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Completely remove the pin: passo 12, imagem 2 %32
    • Use a punch and hammer to tap the pin out of the guide piston.

    • Once the pin is removed, the guide cylinder may spring up due to the compression of the bellows.

    • During reassembly, the bellows will need to be compressed to uncover the pin hole on the guide piston.

  13. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the hose clamps: passo 13, imagem 1 %32
    • Use a 13 mm socket or large flathead screwdriver to loosen the two hose clamp bolts securing the bellows to the leg assembly.

  14. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement: passo 14, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement: passo 14, imagem 2 %32
    • Lower the bottom hose clamp away from the bellows and let it rest at the base of the leg assembly.

  15. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement: passo 15, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement: passo 15, imagem 2 %32
    • Open the top hose clamp and pull it down, past the bellows, and let it rest at the base of the leg assembly.

  16. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows from the guide cylinder: passo 16, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows from the guide cylinder: passo 16, imagem 2 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows from the guide cylinder: passo 16, imagem 3 %32
    • Use a rubber mallet to tap the bellows down and off of the top of the guide cylinder.

    • Tap around the entire circumference of the bellows, pulling one edge down at a time.

    • During reassembly, use the rubber mallet to tap the bellows into place onto the lip on the cylinder.

    • Once loose, pull the bellows off of the lip on the guide cylinder.

  17. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the guide cylinder: passo 17, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the guide cylinder: passo 17, imagem 2 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the guide cylinder: passo 17, imagem 3 %32
    • Lift up and remove the guide cylinder.

  18. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows: passo 18, imagem 1 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows: passo 18, imagem 2 %32 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows: passo 18, imagem 3 %32
    • Use a rubber mallet to tap the bellows up and off of the top of the protective pipe.

    • Tap around the entire circumference of the bellows, pulling one edge up at a time.

    • During reassembly, use the rubber mallet to tap the bellows into place onto the lip on the pipe.

    • Once loose, pull the bellows off of the lip on the protective pipe.

    • Remove the bellows.

Conclusão

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

After reassembly, tilt the device upright and check the oil level through the sight glass. The oil should cover 1/2 to 3/4 of the sight glass to be considered full. This model requires up to 0.7 liters of SAE 10W-40 oil.

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Carsten Frauenheim

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