Step 1: Plug Chassis Flusher into your vehicle, trailer or caravan's chassis rail
Step 2: Connect your garden hose into the fitting on the Chassis Cleaner
Step 3: Turn your hose on to start flushing the chassis rail
Tip: Park your vehicle on a slight decline or start at the highest point of the chassis rail, and work your way down, moving the Chassis Cleaner throughout the rail 2-4 times