Karcher PSU 4-18 Operating instructions - Page 12

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 actuation 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 ṇ CAUTION Failure to observe the weight Risk of injury and damage Be aware of the weight of the device during transportation. ATTENTION Uncontrolled startup Risk of injury and damage Remove the battery pack from the device before transport. Empty the device completely prior to transport.  Secure the device against slipping and tipping over when transporting in vehicles. Storage ṇ CAUTION Failure to observe the weight Risk of injury and damage Be aware of the weight of the device during storage. ṇ CAUTION Uncontrolled startup Risk of injury and damage Remove the battery pack from the device before storage. ATTENTION Store the device in a dry, well ventilated location out of the reach of children. Keep the device away from corrosive 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. Care and maintenance ṇ 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. Cleaning the tank 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 Clean the nozzle 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 12 English