Karcher Carpet Cleaner 10066730 2014 Heater Replacement

Written By: Carsten Frauenheim

Comments: 0

Karcher Carpet Cleaner 10066730 2014 Heater Replacement

Difficulty

Moderate

Steps

Time Required

No estimate

Introduction

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.

Tools

Parts

Karcher Heater Asm, 1850W, 120V 86318750

Step 1

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.

Step 2

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.

Step 3

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

Step 4

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

Step 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.

Step 6

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

Step 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.

Step 8

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

Step 9

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

Step 10

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

Step 11

Pull both pie clamps apart, freeing the heater.

Step 12

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.

Step 13

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.