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

Введение

Use this guide to remove or replace the bellows on a Wacker BS50-4AS REV 101 (2019) Vibrator/Rammer.

This model requires up to 0.7 liters of SAE 10W-40 oil to replace drained oil.

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  1. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Disconnect the spark plug wire: шаг 1, изображение 1 из 2 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Disconnect the spark plug wire: шаг 1, изображение 2 из 2

    • 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.

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  2. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Loosen the sight gauge: шаг 2, изображение 1 из 1

    • 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.

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  3. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Prepare a drain pan: шаг 3, изображение 1 из 1

    • Lay the device down horizontally with the oil sight gauge facing down.

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

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  4. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Drain the oil: шаг 4, изображение 1 из 1

    • 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.

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  5. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Support the device: шаг 5, изображение 1 из 2 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Support the device: шаг 5, изображение 2 из 2

    • 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.

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  6. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the leg assembly bolts: шаг 6, изображение 1 из 2 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the leg assembly bolts: шаг 6, изображение 2 из 2

    • 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.

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  8. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Begin to separate the halves: шаг 7, изображение 1 из 2 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Begin to separate the halves: шаг 7, изображение 2 из 2

    • Pull the leg assembly away from the rest of the device.

    • Ensure each half stays adequately supported.

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  9. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Reveal the pin: шаг 8, изображение 1 из 3 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Reveal the pin: шаг 8, изображение 2 из 3 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Reveal the pin: шаг 8, изображение 3 из 3

    • Continue to separate the two halves by compressing the bellows until the nylon plug covering the piston pin is visible.

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  10. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Procedure tip: шаг 9, изображение 1 из 2 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Procedure tip: шаг 9, изображение 2 из 2

    • 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.

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  11. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the pin: шаг 10, изображение 1 из 3 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the pin: шаг 10, изображение 2 из 3 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the pin: шаг 10, изображение 3 из 3

    • 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.

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  12. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the leg assembly: шаг 11, изображение 1 из 2 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the leg assembly: шаг 11, изображение 2 из 2

    • Remove the leg assembly from the crankcase.

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  13. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Completely remove the pin: шаг 12, изображение 1 из 2 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Completely remove the pin: шаг 12, изображение 2 из 2

    • 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.

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  14. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the hose clamps: шаг 13, изображение 1 из 1

    • Use a 13 mm socket or large flathead screwdriver to loosen the two hose clamp bolts securing the bellows to the leg assembly.

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  15. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement: шаг 14, изображение 1 из 2 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement: шаг 14, изображение 2 из 2

    • Lower the bottom hose clamp away from the bellows and let it rest at the base of the leg assembly.

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  16. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement: шаг 15, изображение 1 из 2 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement: шаг 15, изображение 2 из 2

    • Open the top hose clamp and pull it down, past the bellows, and let it rest at the base of the leg assembly.

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  17. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows from the guide cylinder: шаг 16, изображение 1 из 3 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows from the guide cylinder: шаг 16, изображение 2 из 3 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows from the guide cylinder: шаг 16, изображение 3 из 3

    • 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.

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  18. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the guide cylinder: шаг 17, изображение 1 из 3 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the guide cylinder: шаг 17, изображение 2 из 3 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the guide cylinder: шаг 17, изображение 3 из 3

    • Lift up and remove the guide cylinder.

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  19. Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows: шаг 18, изображение 1 из 3 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows: шаг 18, изображение 2 из 3 Wacker 4-Stroke Rammer BS504AS REV 101 (2019) Bellows Replacement, Remove the bellows: шаг 18, изображение 3 из 3

    • 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.

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Заключение

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

Участник с: 03/10/20

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