Karcher Carpet Cleaner 10066730 2014 Heater Replacement

はじめに

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.

必要な工具と部品

手順1 Lower the device down

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the device down: 手順 1、 3の画像 1

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the device down: 手順 1、 3の画像 2

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the device down: 手順 1、 3の画像 3

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.
Lower the device down so it is laying on its backside, bottom facing out.

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手順2 Remove the wing nuts

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the wing nuts: 手順 2、 1の画像 1

Remove the two wing nuts securing the base to the device.
The base is heavy, so be prepared to lower it down slowly once the wing nuts are removed.

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手順3 Lower the base down

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the base down: 手順 3、 3の画像 1

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the base down: 手順 3、 3の画像 2

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the base down: 手順 3、 3の画像 3

Lower the base down until the swivel wheels touch the ground.

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手順4 Free the hoses

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Free the hoses: 手順 4、 1の画像 1

Use an 11 mm socket to remove the nut and washer securing the hose retainer clamps.

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手順5

Use a pair of flush cutters or sharp scissors to cut the zip tie securing the two hoses together.
Pull the hose retaining clamps off of the bolt they were secured by.
During reassembly, install a new zip tie.

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手順6 Remove the output hose

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the output hose: 手順 6、 2の画像 1

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the output hose: 手順 6、 2の画像 2

Use a crescent wrench to loosen the 11/16 inch water output hose fitting on the heater.

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手順7

Remove the water output hose from its fitting on the heater.
Place a shop rag underneath the fitting to catch any drips.
Add fresh plumber's tape to the fitting when reinstalling.

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手順8 Remove the input hose

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the input hose: 手順 8、 2の画像 1

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the input hose: 手順 8、 2の画像 2

Use a crescent wrench to loosen the 9/16 inch water input hose fitting on the heater.

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手順9

Remove the water input hose from its fitting on the heater.
Add fresh plumber's tape to the fitting when reinstalling.

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手順10 Unmount the heater

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Unmount the heater: 手順 10、 1の画像 1

Use a large flathead screwdriver to loosen the pie clamps securing the heater.

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手順11

Pull both pie clamps apart, freeing the heater.

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手順12

Karcher Carpet Cleaner 10066730 2014 Heater Replacement: 手順 12、 3の画像 3

Roll the heater down and pull it left, away from the device to remove it.
Be careful to not snag any hoses when removing the heater.
Do not attempt to fully remove the heater yet, as it is still connected to power.

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手順13 Remove the wires from the heater

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the wires from the heater: 手順 13、 3の画像 1

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the wires from the heater: 手順 13、 3の画像 2

Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the wires from the heater: 手順 13、 3の画像 3

Keep track of which wire goes where, marking wires with tape if you need to.
Grip the black ground jumper wire by its blue connector and pull directly away from the heater to remove it.
Remove the other side of the black ground jumper wire.