Street Washers also known as the high pressure street washer, road washering vehicle, street washer truck, etc., with the advancement of marketization of sanitation now, more and more high pressure cleaning car be used for the sanitation cleaning, they are mainly used in urban and rural sanitation sidewalks, causeway, lu yanshi, back streets pavement fast washing and cleaning, They can also be used to clean up small advertising in the city, wash fruit boxes and trash cans, wash bus stop signs, wash road tiles, construction site spray dust, etc., the effect is good.

High pressure cleaning car also belongs to mechanical equipment, there will be failures, sanitation users to master some high pressure cleaning car common fault treatment methods is necessary. Xiaobian here to sort out the reasons and solutions for the pressure reduction or no pressure of the Street Washers . Generally, the pressure of Street Washers  becomes smaller in the following situations:

1. The water inlet pipe is blocked, resulting in a smaller water flow.

Solution: Clean the inlet pipe to ensure smooth water flow.

2, there are fine sand in the water, resulting in high pressure pump check valve wear.

Solution: Clean the water tank, replace the water with fine sand, and replace the one-way valve of the high pressure pump.

3. The high pressure water pump is used for a long time without replacing the oil, resulting in damage to the connecting rod of the crankshaft of the high pressure water pump.

Solution: High pressure water pump to maintain regular maintenance, timely replacement of oil, filter, and replacement of a new crankshaft connecting rod.

4. The pressure regulating valve is damaged, resulting in no way to adjust the pressure.

Solution: Replace the new pressure regulating valve of the high pressure water pump.