10
6 use
6.1 Discharging remaining pressure
Fully depressurize the system as described below before removing the tank plug:
6.2 Control devices
6.3 Preliminary checks
After a long period of disuse and before every new use, check the tightness of the
ttings.
6.4 Preparing foaming solution
•Pour an amount of concentrated foaming liquid into the tank according to the instructions
given on the package of the product (see par. 6.6).
•Add clean water to ll the tank, using a pipe inserted down to the bottom of the tank so as
to mix the product well and prevent foam from forming.
•Screw on the cap and tighten it carefully.
•For use during the winter, add automotive antifreeze in the amount specied on the anti-
freeze package.
•Cut off the supply to the foam marker.
•Pull the red pin of the relief valve onto the tank
plug and then discharge any residue pressure as
shown in the gure.
a Lever control switch for foam delivery
(Left / Off / Right).
B Pilot lights checking and controlling the treated
portion.
Fi g. 11
Fi g. 12
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