Введение
This guide shows how to remove and replace the entire motor assembly for the Karcher 15209900 electric pressure washer.
Some of the body screws are deeply recessed and require a T15 driver with a 5-inch long shank in order to reach.
Replacing the motor requires removing the pump assembly, with is partially filled with oil. You must refill the oil during reassembly. The part number for the oil is 6.288-219.0.
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Use a T20 driver to remove the two 55mm-long screws securing the hand grip.
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Use a T15 driver to remove the six screws securing the top black plastic panels on either side of the device.
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Remove the two T15 screws securing the plastic feet—one screw on either side.
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Use a T15 driver to remove the ten screws securing the housing halves together.
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Remove the T15 screw underneath the wheel axle.
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Set the device on its side.
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Lift the housing half away from the body.
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Remove the housing.
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Slide the power cord strain relief out its notch on the plastic housing.
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Lift the motor assembly out of the plastic housing and set it aside.
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Make sure that all five bushings are in place.
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In order for the housing to fit properly, the bushings must fit in their respective mounts.
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Make sure that the yellow tube is properly notched onto the housing.
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Make sure that the power cord strain relief sits correctly in the housing notch.
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Use a T20 driver to remove the four screws securing the electrical box cover.
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Tilt the capacitor upward slightly to gain access to the connectors.
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Use your fingers to pull each capacitor connector directly off of their spade plug.
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Pull the switch out of the electrical box.
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Disconnect the four spade connectors from the the switch.
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Use a flat head screwdriver to remove the screw securing the ground wire in the electrical box.
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Use a T30 driver to remove the two bolts securing the electrical box to the motor assembly.
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Lift the electrical box away from the motor assembly, taking care to feed the wires through the cutout.
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Remove the electrical box.
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Set the motor assembly upright with the pump assembly on the top.
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Use a 13mm socket to remove the four long bolts holding the pump assembly to the motor.
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Pour the pump oil out of the motor housing. If the oil looks serviceable, save it for reassembly.
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Reassembly tip: The piston assembly is sealed with oil, and the motor housing acts as an oil pan. Before you attach the pump to the motor, fill the piston well with oil, up to the bearing plate.
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Pull the two rubber bushings off of each side of the motor.
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Insert a pry bar or a flat head screwdriver between the blower wheel and the motor assembly.
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Pry to loosen the blower wheel from the motor.
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Slide the blower wheel off of the motor assembly.
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To reassemble your device, follow these instructions in reverse order.
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