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PERIODIC
MAINTENANCE:
These procedures are performed by a
trained service technician. The regularity of
these procedures may depend on the ma-
chine’s use.
CAUTION:
Do not allow this machine to remain in a ve-
hicle or area where the temperature will be
below 40°F (4°C). Allowing this machine to
freeze will cause damage not covered by the
6-3-i warranty.
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Flush the system with a special
solution to reduce scaling (alkaline
build-up).
Use acetic acid (white vinegar) or an
anti-browning solution. Mix one quart
acetic acid with 2 gallons (1:8 liters) of
hot water in the solution tank (if an
anti-browning solution is used follow
manufacturer’s instructions). Turn on
the vac/pump switch and allow the
machine to run over a floor drain until
the solution tank is empty
(approximately once a month).
Inspect hoses and cords, replace as
needed.
Inspect filter screens, clean or replace
as needed.
Inspect spray pattern of jets, replace or
clean as needed.
Check the tension of the solution valve
cable, tighten if necessary.
Inspect the vac motor, remove any lint
build-up at cooling intake, service
carbon vac motor brushes
(Approximately every 750
operation hours).
With the machine running, the brush
should rotate freely without rattling or
grinding. Replace bearings if
necessary.
CAUTION:
Protect this machine from freezing if it be-
comes necessary to store it at temperatures
below 40°F (4°C).
Use a methyl hydrate window washer type
anti-freeze; mix a gallon or two (4-8 liters) of
anti-freeze solution, following the manufac-
turer’s instructions. Add the anti-freeze
solution to the solution tank. With the hoses
in place run the machine until the anti-freeze
begins spraying out (don’t empty solution
tank).
Vacuum out the remaining anti-
freeze solution in the solution tank. Discon-
nect the hoses and empty the recovery buck-
et. Always allow the unit to return to room
temperature before filling with hot water or
operating.
CAUTION:
Do not use Ethylene Glycol or any
cooling system anti-freezes.
98198 7/1/97