Kärcher CW 3 Manual Del Usuario página 42

Assembly
Cables and hoses for:
● Energy pillar or
● energy chain or
● trailing cables
Side brushes, roof brush, wheel
brushes
Assembly
Self-service gantry
Wheel washing brushes
High-pressure unit
Maintenance work
Clean the pressure reducer strainer
1. Close the water inlet.
2. Unscrew the cover.
Cover
1
Seal
2
sieve
3
Pressure reducer
4
3. Take out the strainer and rinse it with water.
4. Insert the sieve into the pressure reducer. Ensure that the
seals are seated properly.
5. Screw in and tighten the cover.
Check the float switch
1. Check whether water comes out from the overflow opening.
42
Half-yearly maintenance plan or after 5000 washes
Activity
Visual inspection
Basic cleaning
Annual maintenance plan or after 10000 washes
Activity
Check the toothed rack for
wear and tear
Visual inspection
Safety check
English
Rectification
Condition of the hoses and cables.
Check the hoses and connecting elements for leaks.
Spray the brushes with a detergent (pre-cleaner or
hall cleaner), allow to act and rinse thoroughly with
high-pressure cleaner and warm water at max. 40 °C
Rectification
Replace the brushes after approx. 15000 washes.
Replacing the wheel washing brushes: Remove the
screws inside the brush ring, remove the wheel
washing brush, fit the new wheel washing brush and
fasten in place with the screws.
Carry out a safety check according to the guidelines
for liquid emitters.
Fresh water tank
1
Cover
2
Overflow opening
3
Float valve
4
Outlet
5
2. Remove the fresh water tank cap.
3. Check whether the float valve closes completely when the
fresh water is full.
Note
When the float valve is completely closed, no water comes out of
the outlet.
4. Replace the cover.
Troubleshooting guide
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.
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 system.
Check the pressure gauge at the maintenance unit to ensure that
the system is depressurised.
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?
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.
Target group
Operator
Operator
Target group
Operator
Customer Ser-
vice
Operator
Customer Ser-
vice
Expert cus-
tomer service
Operator