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Karcher Carpet Cleaner 10066730 2014 Heater Replacement

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.

What you need

  1. Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the device down: step 1, image 1 of 3 Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the device down: step 1, image 2 of 3 Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the device down: step 1, image 3 of 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.

    Edit

  2. Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the wing nuts: step 2, image 1 of 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.

    Edit

  3. Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the base down: step 3, image 1 of 3 Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the base down: step 3, image 2 of 3 Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Lower the base down: step 3, image 3 of 3

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

    Edit

  4. Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Free the hoses: step 4, image 1 of 1

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

    Edit

  5. Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 5, image 1 of 2 Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 5, image 2 of 2

    • 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.

    Edit

  6. Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the output hose: step 6, image 1 of 2 Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the output hose: step 6, image 2 of 2

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

    Edit

  7. Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 7, image 1 of 2 Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 7, image 2 of 2

    • 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.

    Edit

  9. Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the input hose: step 8, image 1 of 2 Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the input hose: step 8, image 2 of 2

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

    Edit

  10. Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 9, image 1 of 2 Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 9, image 2 of 2

    • Remove the water input hose from its fitting on the heater.

    • Add fresh plumber's tape to the fitting when reinstalling.

    Edit

  11. Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Unmount the heater: step 10, image 1 of 1

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

    Edit

  12. Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 11, image 1 of 2 Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 11, image 2 of 2

    • Pull both pie clamps apart, freeing the heater.

    Edit

  13. Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 12, image 1 of 3 Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 12, image 2 of 3 Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 12, image 3 of 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.

    Edit

  14. Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the wires from the heater: step 13, image 1 of 3 Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the wires from the heater: step 13, image 2 of 3 Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the wires from the heater: step 13, image 3 of 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.

    Edit

  15. Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 14, image 1 of 2 Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 14, image 2 of 2

    • Grip the tan power wire by its blue connector and pull directly away from the heater to remove it.

    Edit

  16. Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 15, image 1 of 2 Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 15, image 2 of 2

    • Separate the tan and white wires.

    Edit

  17. Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 16, image 1 of 2 Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 16, image 2 of 2

    • Grip the brown intermittent power wire by its blue connector and pull directly away from the heater to remove it.

    Edit

  18. Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 17, image 1 of 1

    • Use a 3/8 inch socket to remove the nut securing the ground wires.

    Edit

  19. Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 18, image 1 of 2 Karcher Carpet Cleaner 10066730 2014 Heater Replacement: step 18, image 2 of 2

    • Remove the heater's green ground wire from the stack.

    • The heater's wire should be the upmost wire in the stack after removing the nut.

    Edit

  20. Karcher Carpet Cleaner 10066730 2014 Heater Replacement, Remove the heater: step 19, image 1 of 1

    • Remove the heater.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

2 other people completed this guide.

Author

Carsten Frauenheim

Member since: 03/10/20

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