Product Manual

TROUBLESHOOTING -

COMMON PROBLEMS AND SOLUTIONS

Low Nozzle Pressure

Why should I keep my nozzles clean?

How do I clean clogged nozzles?

Surging Operation

Soap Injector Not Working Properly

Low nozzle pressure is a common complaint. In a majority of instances, low nozzle pressure is generally

caused by one of the following:

1. Obstructed or clogged nozzle tip.

2. Obstructed or clogged inlet filter.

3. Unloader valve stuck open due to debris lodged under the check valve ball.

4. Customer use of shutoff-type quick connectors.

5. Plugged or obstructed hose.

Clogged nozzles can increase pump back pressure and possibly damage the pump. Immediate attention

is required.

1. Always disconnect your spray wand from the gun before cleaning your nozzles!

2. Clear the nozzle with a small rigid piece of wire such as a paper clip.

3. Flush the nozzle backwards with water.

4. Reconnect the wand to the gun.

5. Restart the pressure washer and depress the trigger on the spray gun.

If the nozzle is still plugged or partially plugged, repeat number 1-4. If the previous procedure does not

clear the nozzle, replace with a new nozzle.

Another condition is that pressure surges. That is, when the trigger is pulled, pressure is satisfactory for

a moment then falls off. When the trigger is released, pressure builds up to normal levels. This is

generally a sign that the water supply cannot provide the flow rate (gallons per minute) required by the

pump. Following are some possible solutions:

1. Make sure the supply is not restricted; that there are no under-sized fittings and the inlet screen

is unobstructed.

2. Make sure the flow rate of the water supply is sufficient for the pump. First, find the capacity of

your pump in gallons per minute (gpm). Then determine the flow rate of your supply by

measuring the gallons that can be delivered in one minute. If your supply does not deliver the

gpm your pump requires, do not use the pump. It will suck air, causing cavitations which can

quickly damage pump components.

3. Check for leaks in the supply fittings. Any leak will cause the pump to draw air and perform

poorly.

When a soap injector is not working properly, the problem is generally fairly easy to isolate. Check the

following:

1. If you have interchangeable tips, make sure the Black, soap tip is installed. Soap injectors will

not work when high pressure nozzles are installed.

2. Be sure that the soap injector valve is turned on, and turn selector valve to desired setting.

Insufficient flow in gallons per minute (not pressure) to the pump.