Question about Karcher 1750 Psi Elec Pressure Washer
I don't have the instructions for this washer. I may not have hooked up the parts right. Can you help me out??
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Posted on Jan 02, 2017
check the non-return valves in the pump block. if these are damaged or dirty you pressure will be greatly reduced. they are located behind the 3 lage brass hexagonal caps.
I hope this helps
Posted on Sep 20, 2009
SOURCE: how do I fix a
It can be the inlet filter where your garden hose connects is clogged, so check that first. Also make sure that the hose is connected tightly and not pulling in air both at the inlet and outlet. Remove the spay nozzle and use a pin to make sure it is clear on and debris. Pull the trigger wait until you see a constant flow of water, and all air has been purged from the system. Then attach the high pressure nozzle. Black nozzle is for low pressure. Also make sure you are using at least a 5/8" garden hose and no smaller with the water turned on fully. Check the hose for kinks and obstructions. If all this checks out you may have calcification. Use the black low pressure nozzle and a gallon of distilled vinegar and inject it through the unit to remove any calcification. If none of this solves your problem then there is a problem with the pump itself and you will need to call Karcher for repair or replacement of the pump. Although your unit has a thermal relief valve, you should not run this unit for more than 5 minutes without pulling the pressure washer trigger or it will overheat and damage the pump. If you find you need a new pump here is one for $142.
Posted on Sep 04, 2010
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