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Use this guide to remove and replace the water heater on the Karcher Carpet Cleaner 10066730.
Note: Before beginning repairs, disconnect the device from power, disconnect all hoses, drain and depressurize the system, and let the device cool if the heater was recently used.
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Lower the device down so it is laying on its backside, bottom facing out.
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Remove the two wing nuts securing the base to the device.
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Lower the base down until the swivel wheels touch the ground.
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Use an 11 mm socket to remove the nut and washer securing the hose retainer clamps.
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Use a pair of flush cutters or sharp scissors to cut the zip tie securing the two hoses together.
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Pull the hose retaining clamps off of the bolt they were secured by.
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Use a crescent wrench to loosen the 11/16 inch water output hose fitting on the heater.
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Remove the water output hose from its fitting on the heater.
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Use a crescent wrench to loosen the 9/16 inch water input hose fitting on the heater.
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Remove the water input hose from its fitting on the heater.
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Use a large flathead screwdriver to loosen the pie clamps securing the heater.
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Pull both pie clamps apart, freeing the heater.
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Roll the heater down and pull it left, away from the device to remove it.
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Grip the black ground jumper wire by its blue connector and pull directly away from the heater to remove it.
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Remove the other side of the black ground jumper wire.
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Grip the tan power wire by its blue connector and pull directly away from the heater to remove it.
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Grip the brown intermittent power wire by its blue connector and pull directly away from the heater to remove it.
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Use a 3/8 inch socket to remove the nut securing the ground wires.
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Remove the heater's green ground wire from the stack.
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Remove the heater.
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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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