Operation; Transport; Storage; Care And Maintenance - Kärcher PSU 4-18 Bedienungsanleitung

Venting the pump
1. Unscrew the spray lance from the gun.
2. Actuate the power switch.
3. Press the spray trigger for at least 10 seconds until
the system is vented.
4. Switch off the device.
5. Refitting the spray lance

Operation

Operation
1. Remove the spray lance.
2. Press the power switch.
Illustration D
The device starts up.
3. Press the spray trigger to spray or push it forwards
for continuous operation.
Illustration E
Note
The spray actuation button is now locked.
Note
Make sure that the spray actuation button is not locked
before mounting the battery pack.
4. To stop the spraying process, release the spray ac-
tuation button or, in continuous operation, push it
back to stop it.
Setting the spray jet
1. Turn the nozzle to adjust the spot or spray jet
Illustration F

Transport

CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transporta-
tion.
ATTENTION
Uncontrolled startup
Risk of injury and damage
Remove the battery pack from the device before trans-
port.
Empty the device completely prior to transport.
 Secure the device against slipping and tipping over
when transporting in vehicles.

Storage

CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during storage.
CAUTION
Uncontrolled startup
Risk of injury and damage
Remove the battery pack from the device before stor-
age.
ATTENTION
Store the device in a dry, well ventilated location out of
the reach of children. Keep the device away from corro-
sive substances such as garden chemicals.
1. Clean the device.
2. For space-saving storage, unscrew the spray lance
and press it into the lance clip on the battery slot.
Illustration H
3. Press the lance handle into the device handle.
12

Care and maintenance

CAUTION
Uncontrolled startup
Risk of injury and damage
Remove the battery from the device before any work.
ATTENTION
Do not use solvents to clean the plastic parts, as they
corrode the materials used on the device. Remove dirt
such as dust, oil and lubricants with a clean cloth.
1. Remove the battery pack.
2. Open the lock latches and remove the tank.
Illustration I
3. Drain the tank content.
4. Clean the outside of the tank with a clean, dry cloth.
5. Fill the tank one third with clean water
6. Connect the tank to the motor casing.
7. Reinsert the battery.
8. Spray the tank content until it is completely empty.
9. Repeat this procedure several times.
Emptying the tank
1. Remove the battery pack.
2. Open the lock latches and remove the tank.
Illustration I
3. Drain the tank content
1. Remove the battery pack.
2. Unscrew the nozzle from the spray lance.
3. Push a thin wire through the slotted holes to remove
residues.
Illustration K
4. Rinse the nozzle with clean water.
5. Dry the nozzle with a clean, dry cloth and refit the
nozzle.

Troubleshooting guide

Malfunctions often have simple causes that you can
remedy yourself using the following overview. When in
doubt, or in the case of malfunctions not mentioned
here, please contact your authorised Customer Service.
Device does not spray
Nozzle is clogged
1. Clean the nozzle
Hose is clogged
1. Clean hose
Tank is empty
1. Fill tank
Air in the system
1. Vent pump (see chapter "Venting the device")
Motor not running
Battery is empty
1. Battery charging
Battery missing or battery not inserted correctly
1. Insert the battery correctly
Battery is too cold or too hot
1. Store the battery indoors or let it cool down
Device switches itself off
Circuit breaker has switched off
1. Wait until the circuit breaker switches the device
back on again
Battery cannot be charged
Battery contacts are soiled
1. Clean battery contacts
English
Cleaning the tank
Clean the nozzle