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CAUTION
Risk of injury and damage! Observe the weight of the appliance when you transport it.
When transporting in vehicles, secure the appliance according to the guidelines from slipping and tipping over.
CAUTION
Risk of injury and damage! Note the weight of the appliance in case of storage.
DANGER
Risk of injury! The main switch is to be switched off while carrying out any repairs or maintenance jobs.
Time
Activity
daily
Check hand-spray
gun
Check high pressure
hoses
weekly or after 40 operat-
Check the unit for
ing hours
leaks
Check oil level
Check oil level
monthly or after 200 oper-
Check pump
ating hours
Check water scarcity
fuse
Test swimmer valve
Check overpump
time.
Test automatic start
Tighten hose clips
half-yearly or after 500 op-
Oil change
erating hours
half-yearly or after 1000
Check the appliance
operating hours
for calcium deposits
Tighten clamps
Test swimmer valve
annual
Safety check
Maintenance contract
You can enter into a maintenance contract with the con-
cerned Kaercher Sales Office for the machine.
Frost protection
The machine should be stored in frost-free rooms. In
case there is frosting risk, for e.g. if the machine is in-
stalled in open areas, then the machine must first be
emptied and flushed using an anti-freezing agent.
Drain water
Screw off water supply hose and high pressure
hose.
Operate device for max. 1 minute until the pump
and conduits are empty.
Flush device with anti-freeze agent
Note: Observe handling instructions of the anti-freeze
agent manufacturer.
Fill in normal anti-frost agents in the swimmer tank
right until the top.
Place the collection trough under the high pressure
exit.
Switch on the appliance and let it run until the safe-
ty mechanism against lack of water in swimmer
tank gets activated and the machine is switched
off.
A certain corrosion protection is achieved with this as
well.
22
Transport
Storage
Care and maintenance
Maintenance schedule
Assembly affected
Hand spray gun
Outlets, hoses towards working machine Check hoses to see if there are damages. Replace defect hos-
Entire plant
Oil level indicator on the pump
Oil level indicator on the pump
High-pressure pump
Swimmer switch in the swimmer tank
Float tank
Controls
Pressure sensor
All hose clips
High-pressure pump
entire water system
Control board
Float tank
Entire plant
EN
Performance
Check whether the hand-spray gun closes tightly without any
leaks. Check the protection mechanism against accidental
switching. Replace defective hand-spray guns.
es immediately. Danger of accident!
Check pumps, overflow valve and pipe system for leaks. Inform
Customer Service if there is oil below the pump or if there is a
leakage of more than 3 drops of water per minute. Keep the
leakage borings clear.
If the oil is milky, it needs to be replaced.
Check oil level of the pump. Refill oil if required (Order no.
6.288-016)
Check the pump for leaks. If the leakage is more than 3 drops
per minute, call Customer Service.
Press the swimmer of the low water fuse down for about 5 sec-
onds and control the error indicator on the control board. Re-
move deposits if necessary.
The water level must be 40 mm below the overflow. No water
must exit while the swimmer valve is closed.
Close consumer loads (e.g. hand spray guns). The pump must
switch off after the afterrun period.
The pump stands still as there is no water transfer. Open the
hand spray gun. If the pressure in the high-pressure cycle falls
below the switchpoint, the pump must switch on.
Tighten the hose clips using a torque wrench. Tightening torque
up to a diameter of 28 mm = 2Nm, from 29 mm = 6 Nm.
Drain off oil. Fill in 1 l of fresh oil (order no. 6.288-016.0). Check
the oil level at the oil level indicator.
Improper functioning of valves or pumps can be an indication of
calcium deposits. If necessary decalcify.
Tighten all clamps for components in the main circuit.
The water level must be 40 mm below the overflow. No water
must exit while the swimmer valve is closed.
Safety check according to the guidelines for fluid spraying
equipment.
8
-
of whom
Operator
Operator
Operator/Cus-
tomer service
Operator
Operator
Operator
Operator
Operator
Operator
Operator
Operator
Operator
Operator trained
in decalcification
Electrician
Customer Ser-
vice
Technical expert
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