How to clean the pressure washer's detergent siphoning tube

This article provides a step-by-step guide to cleaning the detergent siphoning tube. 
 

Environment 

This article applies to most pressure washers with detergent tanks or attachments.

 

Cleaning detergent siphoning tube

Flush detergent siphoning tube after each use before stopping the engine.
 

Procedure 

1. Place detergent siphoning tube/filter in bucket of clean water. 

2. Remove high-pressure nozzle from lance. 

3. Select and install black detergent nozzle. 

4. Flush for 1-2 minutes. 

5. Shut engine OFF

6. Point spray gun in a safe direction, squeeze spray gun trigger to release retained high water pressure. Engage trigger lock. 

Important: After each use.

DO NOT allow water to remain in unit for long periods of time. Sediments or minerals can deposit on pump parts and freeze pump. 

 

Follow this procedure after every use:

1. Shut engine OFF. 

2. Turn water supply OFF. 

3. Point spray gun in a safe direction, and squeeze trigger to relieve trapped pressure. 

4. Let engine cool. 

5. Disconnect hoses from spray gun and high-pressure outlet on pump. 

6. Drain water from hoses, spray gun, and lance. Use a rag to wipe off components. 

7. Switch fuel valve to OFF. 

8 Store unit in a clean, dry area. 

Note: If storing for more than 30 days see How Do I Store My Pressure Washer for the Winter?