Basic Settings And Service Procedures; Removing The Appliance Components; Replacing The Main Switch - Kärcher BR 30/4 C Service Manual

5

Basic settings and service procedures

5.1 Removing the appliance components

5.1.1 Replacing the main switch

1 Main switch for brushing/vacuuming operations
1 Housing top
2 Spring element
Remove the wastewater reservoir (see chapter
"Removing the tanks").
Loosen the fastening screws (arrows).
Slide the casing top toward the top.
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English 5.906-434.0 Rev. 00 (12/10)
1 Main switch for brushing/vacuuming operations
2 De-interference capacitor
Remove the cable plug connections from the main
switch.
Push the main switch out of the top of the housing.
Install the new main switch in reverse order.
1 Connector, protective conductor cable
2 Connector, pump
Main switch / check switch
Connect a resistance gauge between the connec-
tion plug 1 and 1a or 2 and 2a.
Target value:
Main switch turned off = >1 MOhm
Main switch turned on = <2 Ohm
Note
For the BR 30/4 Bp, the switch must be pressed for
>300 msec for the appliance to be switched on.