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WET SYSTEM OPERATION
4-21
LandMark Injection Foam Marker
Your new foam marker is designed to produce the longest lasting foam, and provide you with the conve-
nience of not having to mix your foam concentrate and fill the foam marker tank as often.
IMPORTANT: The LandMark injection marker draws fresh water in one line and soap concentrate
in the other before it reaches the liquid pump. It is very important that when you first begin, or if
you change brands of foam concentrate, that you properly set the “soap injection valve” and the
“output valve”. This will produce the best results in foam quality and ensure the proper amount
of soap concentrate is used.
Injection Marker Operation Instructions
Reference the diagram on the following page.
Turn on the injection marker and allow the liquid
pump to prime. If the liquid pump does not prime,
open the priming valve until liquid begins to flow,
then close the priming valve.
To adjust the foam quality, open the “soap injection
valve” (1) by turning the knob counterclockwise.
Adjust the foam quality until foam is rich and thick.
To adjust the total foam output, open the “output
valve” (2) by turning the knob counterclockwise.
Adjust as needed.
NOTE: Opening the valve too far will flood the cham-
bers and produce soupy foam. Closing the valve too
far will not produce enough foam.
When the foam marker is set properly, quality foam
will be produced at 60 drops per minute (see chart on
the following page). This foam should stick to your
hand when turned upside down.
NOTE: The foam marker pulls water from the rinse
tank on the right side of the vehicle to create foam.