Kärcher 1.246-022, Manual

Page: 22 / 260

22 English
Do not use aggressive cleaning agents.
A detailed description of the individual maintenance
work is provided in the chapter "Maintenance Work".
 Drain the waste water.
 Rinse the waste water tank.
 Clean the coarse dirt filter.
 Clean the turbine screen.
 Only with R cleaning head: Remove the coarse dirt
container and empty it.
 Clean the exterior of the device using a damp cloth,
wetted with a mild washing lye.
 Check the suction lips, check for wear and replace if
necessary.
 Clean the squeegee blades, check for wear and re-
place if necessary.
 Clean the brushes, check for wear and replace if
necessary.
 Charge the battery.
 If the charging state of the battery is below 50%,
charge the battery fully and without interruption.
 If the charging state of the battery is above 50%,
only recharge the battery if the entire operating
duration will be required when next used.
Weekly
 When used regularly, charge the battery fully and
without interruption at least once a week.
Monthly
 If the device is temporarily shut down (storage): Per-
form equalization charging of the battery.
 Check battery poles for oxidation, brush off if neces-
sary. Make sure the connection cables are firmly in
place.
 Clean the seals between the waste water tank and
the cover, check for leaks and replace if necessary.
 Check the acid density of the cells if the batteries are
not maintenance-free.
 Only with R cleaning head: Clean the brush tunnel.
 Only with R cleaning head: Pull the water distribu-
tion strip off the cleaning head and clean the water
channel.
Illustration U
 For longer periods of disuse, shut down the device
when the batteries are fully charged. Fully charge
the battery at least once a month.
Annually
 Have the prescribed inspection performed by Cus-
tomer Service.
Safety inspection/maintenance contract
You can agree on regular safety inspections or close a
maintenance contract with your dealer. Please seek ad-
vice on this.
Maintenance work
Cleaning the turbine screen
1. Open the waste water tank cover.
2. Press the locking hooks together.
Illustration V
1
Latching hooks
2
Float
3
Turbine screen
3. Pull off the float.
4. Turn the turbine screen anticlockwise.
5. Remove the turbine screen.
6. Clean the turbine screen under running water.
7. Reinstall the turbine screen.
8. Attach the float.
Turn over or replace the worn suction lips
The suction lips must be turned over or replaced when
worn out.
The suction lips can be turned 3 times until all 4 edges
are worn.
1. Remove the suction bar.
2. Unscrew the star handles.
Illustration W
1
Star grip
2
Strap
3
Inner part of the suction bar
4
Tension lock
3. Pull out the inner part of the suction bar.
4. Open the tension lock.
5. Remove the strap.
6. Release the suction lips from the inner part.
Illustration X
1
Squeegee blade
2
Support lip
3
Inner part of the suction bar
4
Strap
7. Press the turned or new suction lips onto the knobs
of the inner part of the suction bar.
8. Attach the strap.
9. Push the inner part of the suction bar into the upper
part.
10. Screw in and tighten the star handles.
Cleaning the coarse dirt filter
1. Open the waste water tank cover.
Illustration Y
1
Coarse dirt filter
2
Fluff filter
2. Pull the coarse dirt filter upwards and off.
3. Rinse off the coarse dirt filter under running water.
4. Reinsert the coarse dirt filter into the waste water
tank.
Installing the D cleaning head
1. Lift the holder of the cleaning head (see chapter
"Gray Intelligent Key/... / Selecting the brush
shape").
2. Push the cleaning head under the device so that the
hose points to the rear.
3. Push the cleaning head halfway under the device.
4. Press the latching lug to the left and remove the cov-
er from the cleaning head.
Illustration Z
1
Latch
2
Cover
5. Connect the power supply cable of the cleaning
head to the cable of the device (the same colours
must line up).
Illustration AA
1
Device cable
2
Power supply cable
6. Fit the cover and latch into place.
7. Push the cleaning head centrally under the device.
8. Connect the hose coupling on the cleaning head to
the hose on the device.
Illustration AB
1
Hose coupling
2
Hose
9. Insert the tab in the middle of the cleaning head into
the fork in the lever.
Illustration AC
1
Retaining pins
2
Lever
3
Tab
10. Align the holder of the cleaning head so that the
holes in the lever and the cleaning head line up.
11. Insert the retaining pin through the holes and pivot
the locking plate down.
12. Push the straight pin into the hole in the pull rod.
Illustration AD
1
Pull rod
2
Straight pin
3
Guide channel
13. Push the pull rod in the guide channel on the clean-
ing head all the way to the bottom.
14. Insert the locking plate in the guide channel and
click into place.
15. Repeat the procedure with the pull rod on the oppo-
site side.
16. Insert the grey Intelligent Key.
17. Set the "Disk" brush type.
Removing the D cleaning head
1. Press in the locking plate and pivot the pull rod up-
wards.
Illustration AJ
1
Retaining plate
2
Pull rod
2. Further removal is performed in the reverse order to
installation.
Installing the R cleaning head
1. Remove both covers.
Illustration AE
1
Cover
2
Screw, cover
3
Bar cover
4
Screw, holder
5
Holder
2. Unscrew the screws for the holders.
3. Remove both holders.
4. Unscrew the screw on the cover.
5. Attach both tie rods to the eye bolts.
Illustration AF
1
Pull rod
2
Knurled nut
3
Nut
4
Eyebolt
6. Push the cleaning head centrally under the device.
7. Fasten both tie rods to the holders (tightening
torque: 25 Nm).
Illustration AG
1
Screw M8x20
2
Washer
3
Holder
4
Pull rod
8. Insert the tab in the middle of the cleaning head into
the fork in the lever.
Illustration AH
1
Lever
2
Washer
3
Spring pin
4
Bolt
5
Tab
9. Align the holder of the cleaning head so that the
holes in the lever and the cleaning head line up.
10. Insert the bolt through the fork and tab.
11. Thread a washer onto the bolt.
12. Secure the bolt with a spring pin.
13. Connect the hose coupling on the cleaning head to
the hose on the device.
Illustration AB
1
Hose coupling
2
Hose
14. Open the cover.
Illustration AI
1
Cover
15. Connect the power supply cable of the cleaning
head to the cable of the device (the same colours
must line up).
16. Fit the cover and secure it with the screw.
17. Place a spirit level on the side of the cleaning head
parallel to the travel direction.
18. Align the cleaning head horizontally by adjusting the
knurled screw and the nut on the eyebolt.
19. Repeat the adjustment on the other side of the device.
20. Insert the grey Intelligent Key.
21. Set the "Brush" brush type.
Replacing the roller brushes
Note
Replace the roller brushes when the bristle length has
reached 10 mm.
1. Raise the cleaning head.
2. Pull out the brush replacement handle.
Illustration AL
1
Brush replacement handle
2
Bearing cover with squeegee blade
3
Roller brush
3. Remove the bearing cover including the squeegee
blade.
4. Pull out the roller brush.
5. Fit the new roller brush and centre it on the driver.
Illustration AM
1
Driver
2
Mounting mandrel
6. Install the bearing cover with the squeegee blade.
Note
Make sure the roller brush sits on the mounting mandrel
and not underneath.
7. Pivot the brush replacement handle upwards and
latch it into place.
8. Repeat the entire procedure at the other side.