Relieve pressure from the foam tank by opening
the ¼" ball valve on the side of the foam tank (fig 4.54,
item 2). Close the ball valve after pressure is relieved.
Open the top 2" ball valve (fig. 4.54, item 1). Add water
to the tank, leaving enough room for the foam
concentrate. Next add the foam concentrate according
to the label on the container. After filling is complete,
close the 2" ball valve on top of the tank. Start the
sprayer’s engine and adjust the air pressure
accordingly (see previous page).
Filling Foam Marker System
DO NOT stand directly over or
in front of valves when opening.
Before performing any service or refilling
of the foam marker, shut the engine off
and relieve system pressure from the tank.
43
IV.
OPERATING INFORMATION
FIG 4.54
TANK LEVEL
SIGHT GAUGE
1
2
Summary of Contents for STS12
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