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Prerequisite-only! This guide is part of another procedure and is not meant to be used alone.
Follow this guide to separate the motor from the crankcase on a Wacker BS50-4AS REV 101 (2019) Vibrator/Rammer to perform internal repairs.
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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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Use a 1-1/16 inch socket to break loose the oil sight gauge near the bottom of the device.
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Lay the device down horizontally with the oil sight gauge facing down.
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Position a shallow oil drain pan underneath the sight gauge.
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Remove the oil sight gauge.
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Let the oil drain until drips are infrequent.
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Replace and retighten the oil sight gauge.
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Flip the device onto the work surface such that the motor and handles face up.
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Place two separate blocks of wood underneath the seam between the leg assembly and crankcase.
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Use an 8 mm hex key socket to remove the four bolts securing the leg's guiding cylinder to the crankcase.
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Pull the leg assembly away from the rest of the device.
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Continue to separate the two halves by compressing the bellows until the nylon plug covering the piston pin is visible.
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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.
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Remove the leg assembly from the crankcase.
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Use a punch and hammer to tap the pin out of the guide piston.
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Use wood blocks to support the device on the work surface, motor facing up.
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Use a 6 mm hex socket to remove the engine guard bolt securing the cable guide.
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Pull the cable guide away from the engine guard.
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Use a 6 mm hex socket to remove the three remaining bolts securing the engine guard: two on the outer edge and one near the crankcase.
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Use a 13 mm wrench to remove the four nuts securing the motor to the crankcase, two on each side.
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Use a 10 mm socket to remove the bolt securing the muffler shroud.
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Lower the muffler shroud away from the motor, down onto the crankcase.
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Tilt the device down onto its side, supporting both the crankcase and motor with blocks of wood.
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Hold the crankcase steady and pull the motor directly away from it.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
