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English 5.906-434.0 Rev. 00 (12/10)
19
BR 30/4 C Bp Pack
1 Connector, pump
1 Fastening screws (3x), housing cover
2 Covering lid
3 Water pump switch
Î
Unscrew locking screws.
1 Covering lid
2 Water pump switch
Î
Remove the housing cover.
Î
Remove the cable plug connections from the wa-
ter pump switch.
Î
Press the water pump switch out of the housing
cover from the inside out.
Î
Install the new water pump switch in reverse or-
der.
Check the water pump switch
Î
Connect a resistance gauge between the connec-
tion plug 1 and 1a or 2 and 2a.
Target value:
Water pump switch turned off = >1 MOhm
Water pump switch turned on = <2 MOhm
5.1.2 Replacing the water pump switch