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Troubleshooting
Troubleshooting notes
Danger
Risk of accident while working on the unit!
During all tasks:
Remove voltage from and secure high
pressure pump at the main switch.
Shut off the cleaning liquid supply.
Pull out the mains plug.
Who may remedy faults?
Operator
Work designated with the sign "Opera-
tor" may only be carried out by persons
who have been instructed in the safe
operation and maintenance on the high
pressure plant.
Electricians
Only persons with a professional train-
ing in the electro-technical area.
Customer Service
Work designated with the sign "Custom-
er Service" may only be done by the fit-
ters of Kärcher Customer Service.
Replace slide ring gaskets
1 Screwed sealing plug
2 Bevel wheel
3 Axle stub
4 Slide ring gasket
Loosen the locking screw.
Remove the disc and the circular blank.
Pull off the bevel wheel.
Remove the slide ring gaskets by
means of a small screwdriver. Ensure
that the grooves and borings are not
damaged.
Carefully remove dirt from the grooves
and borings.
A Slide ring
B O ring
Insert the O-ring into the groove.
Press the slide ring together to shape a
kidney-shaped form. Make sure that
there are no sharp kinks.
Insert the slide ring into the groove in
this shape and press into the groove in
the direction of the arrow.
Install the second slide ring gasket.
After that, calibrate using the mandrel
(order no. 5.901-068).
Grease the axle stub and the seals with
silicone grease.
Attach bevel wheel.
Mount the disc and the circular blank.
Lubricate locking screw with sealant
and screw it in.
9
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