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Periodic Maintenance:
• It is highly recommended that once a month you flush the Marathon out with a 8 to 1 ratio of
water to white vinegar or anti-browning solution through the extractor. This will help to
prevent the build up of alkaline residue.
• If the spray jets become clogged, remove and wash them thoroughly and blow dry. Do not
use wire or pins to clean the nozzles as this will cause the spray pattern to become distorted,
thereby creating a streaking pattern on the carpeting.
• If the spray jets drip after the pump is turned off, the solenoid valve may need to be cleaned.
• Once a month, inspect all electrical cables, hoses, filters and connections in the Marathon. If
you see something that should be repaired or replaced it should be reported and repaired.
Little things are easy to forget about, but as these little things add up, you end up with a
cluster of problems that will cost you in the long run.
CAUTION: When opening the Marathon for service and/or inspection, be sure that the recovery
hose is in its proper position. If not, the hose can become crushed and you will not get good
airflow from the vacuum nozzle.
• Be sure to use Tornado genuine parts and service is provided by an authorized Tornado
Service Center. Use of non-O.E.M. parts will void the warranty.
PROTECT FROM FREEZING
If it becomes necessary to store in temperatures that could drop below 40 degrees F, the
pumping system, hoses and valves must be protected from freezing with a methyl hydrate
window washer antifreeze solution. Do not use ethylene glycol or cooling system antifreezes.
1. Add a half gallon of window washer antifreeze to the solution tank, turn on the brush
switch and press the spray switch until the antifreeze solution fills the solution lines.
- Always allow the unit to reach room temperature before turning on the
Marathon to expel the antifreeze.
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