Malmbergs HP18190MHR Instruction Manual page 27

Pic 1
How to adjust the pressure: pull the lance head with proper force to make it like that in
pic 1; Then, return the lance head back like that in pic 2. Do this for some time, it's nor-
mal to pull the lance head at the beginning.
Note: this function can make the water flow with strong or weak pressure. To clean stub-
born dirt with strong water flow, push the end firmly to the position like pic 2.
3. Disconnect the lance and gun.
4. Rotate the lance head until the two metal sheets are separated completely.
5. Clean the dirt blocking the nozzle with the needle or round paper clip.
6. Delete the dirt in nozzle by washing nozzle.
How to add detergent: pour the detergent into the detergent tank and put the lid back
on, as shown in the pics.
Low pressure (pull
lance head out)
How to clean the nozzle:
If the nozzle was fully or partly blocked, it could lower pres-
sure of water jet and result in machine's shake or stop. Please
clean the blocked nozzle following the below instructions:
1. Turn off the appliance and cut the power supply.
2. Cut water supply and press the trigger 2-3 times so as to
release the pressure in the appliance.
Open the cover and pour the
detergent into detergent tank
High pressure (push
lance head firmly)
Pic 2
Put the lid on the
detergent tank
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