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40
English
Half-yearly maintenance plan or after 5000 washes
Annual maintenance plan or after 10000 washes
Troubleshooting guide
몇
WARNING
Risk of injury from machine movements
Switch the system off before performing maintenance and servic-
ing work.
Secure the main switch with a padlock to prevent it from being
switched on again.
몇
WARNING
Risk of injury from pressurised compressed air reservoirs
and lines after the system has been switched off
Depressurise the system before performing any work on the sys-
tem.
Check the pressure gauge at the maintenance unit to ensure that
the system is depressurised.
몇
WARNING
Risk of injury from the high-pressure system after the sys-
tem has been switched off
Depressurise the high-pressure system before performing any
work on the system.
Target groups for troubleshooting
Who is permitted to eliminate faults?
Operator
Work labelled with "Operator" may only be performed by instruct-
ed persons who are capable of safely operating and maintaining
the system.
Qualified electricians
Qualified electricians are persons with professional electrotech-
nical training and qualifications.
Customer Service
Work labelled with "Customer service" may only be performed by
Kärcher customer service technicians or Kärcher-authorised in-
stallation technicians.
Fault messages on the display
Note
The faults, causes and remedies are shown in plain text on the
display.
Eliminate the malfunction according to the message on the dis-
play and then acknowledge via the OK button.
All limit switches
Check the fasteners and
clearances4
Check the clearance between the limit switch and
switching vane using a feeler gauge.
If necessary, adjust the limit switches by adjusting the
plastic nuts.
Limit switch clearances:
Ø30 mm = 5.0 mm
Ø30 mm = 2.0 mm
Side brush movement counter
Ø12 mm = 3.0/ ±0.1 mm
Roof brush/drier lifting counter
Ø12 mm = 3.5/ ±0.1 mm
Customer Ser-
vice
Assembly
Activity
Rectification
Target group
Assembly
Activity
Rectification
Target group
Cables and hoses for:
Energy pillar or
energy chain or
trailing cables
Visual inspection
Condition of the hoses and cables.
Check the hoses and connecting elements for leaks.
Operator
Assembly
Activity
Rectification
Target group
Self-service gantry
Check the toothed rack for
wear and tear
Operator
Customer Ser-
vice
Wheel washing brushes
Visual inspection
Replace the brushes after approx. 15000 washes.
Replacing the wheel washing brushes: Remove the
screws inside the brush ring, remove the wheel wash-
ing brush, fit the new wheel washing brush and fasten
in place with the screws.
Operator
Customer Ser-
vice
Summary of Contents for CWB 3
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