Electrical System; Open The Switchbox; Remove The Appliance Switch Rotary Knob; Motor Protection Electronics - Kärcher HD 20/15-4 Service Manual

5.5 Electrical system

Warning
When working on the device, please always use the
current circuit diagram in Kärcher-Inside.
1 Power contactor
2 Terminal strip
3 Terminal strip protective conductor

4 Motor protection electronics

5 Fuse F1 (1.0 AT)
6 Gentle start electronics
7 Control transformer (fuse 2.0 AT)
8 Cover of switchbox

5.5.1 Open the switchbox


Loosen 4 screws and remove the lid of the casing.

Carefully pull the indicator lamp out of the socket
in the lid and place the lid on the side.

5.5.2 Remove the appliance switch rotary knob


Carefully remove the lid cap

Loosen the screw on the shaft and remove the
knob
1 Shaft seal
2 Indicator lamp
3 Indicator lamp (no function)
English 5.906-494.0 Rev. 01 (04/11)
17