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Matt Jarvis




20 Apr 1983
United States

Web Developer. Car Collector. Burrito Hunter. Handyman.

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Published on: 18 Apr 2017 by mattjarvis

Troubleshooting Your Pressure Washer

Most people buy a pressure washer because they are easy to use, and turn most jobs from several days into a few hours of cleaning at the most. In addition, pressure washing guides like this one by ToolsMaestro have made the whole process of pressure washing seem easier than ever before. However, due to the nature of technology, it is always possible to come up against some issues with the functionality of the machine. Luckily, the internet is a hive of information to help solve the issue. Here are some common problems with pressure washers, and their quick-fixes.

Pressure Washer Won't Turn On

One of the most frustrating issues is when the pressure washer won't take that first step and turn on. This could be caused by a series of things, such as the switch being left in the “off” position (a common but embarrassing mistake). Also make sure the machine is, indeed, plugged in to adequate service. If the motor has been overloaded, allow it to have time to cool, or push the reset button located near the motor. Finally, if your machine tripped the circuit breaker, reset that breaker in the main panel.

Runs, But No Water Discharges

If you can hear the machine is on, but no water is coming out, first check the water supply is on. This is the most important step because if the machine runs without water for more than a minute it could cause damage. Then check if the nozzle’s tip is plugged closed; if so, either clean or replace that nozzle. Finally, check and see if the trigger gun is malfunctioning, and if it needs to be replaced.

Surge/Drop in Pressure

A change in pressure during use can be caused by a plugged nozzle, inlet screen, or hose, an insufficient water supply, or additional lengths of hoses that have been added. If you cannot clean any plugs, they must be replaced. Also it is recommended to have a short hose length (usually less than 50 feet long).

Chemical Injector Doesn't Work

First, check that the valve on the gun or want is open by turning the forward handle counterclockwise. Then make sure the injector valve is turned on by turning the fitter. Again, your hose should be shorter than 50 feet. Finally, clean (and if necessary, replace) the injector.

Water is Leaking

Leaking water is caused by worn plungers or packings. The location of the leak should be inspected and then the appropriate components should be immediately replaced.

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