Introduction
Use this guide to rebuild a worn pump on a Karcher Pressure Washers 11073080 2017.
This guide may include more disassembly than is needed. Check which parts are included in your rebuild kit and only remove the parts that you can replace.
What you need
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Grab the plastic housing at the end of the spark plug wire.
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Pull firmly to disconnect the wire from the spark plug.
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Use a 24 mm socket to remove one of the manifold cap bolts on the pump manifold.
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Use a pick or tweezers to pry out and remove the high pressure seal.
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Use a pick or tweezers to lift the manifold O-ring out of its groove in the crankcase.
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Use a pick or flathead screwdriver to gently pry the pressure ring out of the crankcase.
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Use a pick or tweezers to pry out and remove the smaller washer sitting around the piston.
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Use an angled pick or tweezers to remove the inner-most washer.
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Repeat the previous nine steps for the other two cylinders to replace the remaining seals, washers, and plungers.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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