Maintenance And Care - Kärcher WRH 1200 Manual

Maintenance and care

Maintenance instructions
The bases of a safe operating of the equip-
ment is thr regularly maintenance accord-
ing to the following maintenance plan.
Use only original parts of the manufacturer
or part suggested by him, such as
parts and wearing parts,
–
accessories parts,
–
operating materials,
–
cleaning agents.
–
DANGER
Risk of accident while working on the unit.
During all tasks
First switch-on in voltage-less state, switch
off the emergency stop switch in the build-
ing and secure it against being switched on
again.
 Shut off water supply.
Time Activity Assembly af-
fected
daily Back- Filament filter
wash
weekly Clean the Drain at wash-
filter ing place
opinion Detergent con-
centration in
processed wa-
ter
Active carbon
filter
monthly opinion Sludge collec-
tion, pump ba-
sin
opinion Float switch
actuate Safety valve
empty, Processed wa-
clean ter tank (if
available)
Half-year- Change Sludge collec-
ly (if re- water, tion, oil separa-
quired) clean the tor, pump
basins basin
annual Ex- Filter inlay
change
filter
 Switch off the immersion pump in the
building.
Who may perform maintenance?
operator
–
Performances containing the notice
"operator" may only be performed by in-
structed individualls, who are able to
operate and service high pressure
equipment.
Maintenance
–
Performances with the notice "mainte-
nance" may only be performed by the
Kärcher- Maintenance-Mechanics.
Maintenance schedule
Performance
Run bachwash
Clean the dirt collection basket in the floor.
Reduce the detergent dosing at the detergent dispenser if there is foam for-
mation.
Set the switch of the solenoid to "1" with the submersion pump running. Nom-
inal value 25...30 l/h = 0.4...0.5 l/min. With lower flow, clean the shutter (see
"Clean shutter").
Set the switch of the solenoid to "1" with the submersion pump running. Take
water sample at the test tap and check for foaming (see "Testing the active
carbon filter").
If foaming is observed, replace the active carbon (see "Replace active car-
bon").
WARNING
If the active carbon filter is not checked once a week, oil or tensid containing
water can be discharged into the sewer system. This can lead to conse-
quences on the part of the authorities. In this case, there are no warranty
claims accepted by KÄRCHER.
After sludge has been collected, there should be no sludge in any of the ba-
sins. The sludge in the sludge collector should be maximum 1 m in height.
Check sludge level; pump out and dispose off the sludge according to the lo-
cal regulations, if required.
Check whether the float switch in the pump basin is freely movable.
Unscrew the knurled screw of the safety valve with the submersion pump run-
ning - water will escape. (The knurled screw cannot be removed completely.
Screw in the knurled screw.
Empty, clean, rinse and refill.
Empty the basins, remove sludge completely and fill the basin with fresh wa-
ter. Store the waste disposal documents.
Replace filter inlay of the filament filter.
EN
Maintenance contract
In order to guarantee a reliable operation of
the equipment, we success, you signed a
maintenance agreement. Please refer to
your local Kärcher service department.
4
-
By whom
Operator
Operator
Operator
Operator
Operator
Operator
Operator
Operator
Operator
Operator/
Disposal
agency
Operator/
Customer
Service
13