RESOURCES > Maintenance > Procedures > High-Pressure

Orifice Health Check - Checking Orifice Stream Quality

Removing the Nozzle Tip

Here is how to check the quality of the stream by removing the Nozzle.

Please begin by removing the abrasive hose from the side of the cutting head.

1. Move the cutting head to the upmost position, lock it in place, and unscrew the nozzle guard.

2. Pull down the nozzle guard. The guard will not move out side to side as the nozzle length keeps it in place.

3. Pull down the plastic collar and nozzle tip into the guard. This will give you enough space in order to move the nozzle tip and guard out of the way.

With the nozzle tip out of the way, we can view the stream of high pressure water directly leaving the orifice.

Checking the Stream Quality

In order to check the quality of the high-pressure stream, ensure the nozzle is removed and placed away from the WAZER. Then on the UI screen, go to Setup & Maintenance > Maintenance > Nozzle Purge.

 

Here is an example of a good stream:

Pulsing in the stream could be indicative of a broken orifice or lack of flow into the pump:

Exaggerated Spread of Stream

An exaggerated spread could be caused by a clog in the nozzle or broken orifice

Uneven Distribution of Stream

This could be due to a broken orifice.

In cases where the orifice is clogged or damaged, it is necessary to replace the orifice to ensure performance of the WAZER.

For information on how to replace an orifice, check out this article.

 

Reinstalling the Nozzle Tip

Be careful when re-installing the nozzle tip. If not seated correctly, you will find odd performance issues that are difficult to troubleshoot.

  1. Start by pushing the nozzle tip up into the assembly until it stops. Make sure the tip does not slide downwards. Keep applying this upwards pressure on the tip while you push the white collar up.

2. Keep applying that upwards pressure on the nozzle tip as you tighten the guard back onto the assembly. Once the guard is tight, you can release the nozzle tip. Please make sure the nozzle tip does not stick out below the guard.

Below are examples of the nozzle tip’s orientation

RESOURCES > Maintenance > Procedures