MAXX 450D/470/Diesel
Page 3-5
HydraMaster Corporation
02/21/06
Freeze Guard
ANTIFREEZE PROCEDURE
1. Begin by attaching your garden hose, or pump-in hose, to the machine.
Now, remove the chemical line from the chemical jug and place it in a
50/50 mixture of antifreeze and water. Turn ignition switch on. Spray
water. Allow the antifreeze solution through the chemical flowmeter.
2. Remove the garden hose, or pump-in hose. Now, open the water box drain
valve and drain all the water from the machine.
3. With the machine drained of water, close the water box drain and pour one
(1) gallon of 50/50 antifreeze and water mix into the water box. Run the
machine until you see the antifreeze mix flowing through the wand. This
should use approximately q of the solution.
When using the Recirculation Kit (part no. 078-058), fill a third of the
water box with a 50/50 antifreeze mix.
Attach the recirculation fitting provided in the kit to the garden hose quick-
connect (see illustration to right) and this combination to the front of the
machine.
Attach one section of female/female
solution hose to the outgoing fitting
on the front of the machine and the
other end to the garden hose and
recirculation fitting combination that
is attached to the front of the
machine (or as many sections as you
want, if you wish to freeze guard.
4. Start the machine and allow it to
run for two (2) minutes.
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