WARNING! This machine must be protected from conditions which may
damage the pump, tank, hoses and other components.
•Freezing of water in this machine will cause serious damage. The M500H, solution hoses, and tools must
e protected from freezing temperature. Store, transport, and use this equipment only in temperatures well
a ove freezing. (32ºF or 0ºC). If you suspect the M500H has een frozen, do not plug in or turn on machine
until you are sure it has thawed completely.
•If the equipment cannot e stored or transported in a warm environment, it can e guarded from freezing y
running an anti-freeze solution through the incoming water lines, chemical feed system, solution pump, solution
lines, tools and pump-out pump. The machine is filled at the factory with anti-freeze to eliminate damage during
shipment in cold weather.
oThe anti-freeze solution must e completely flushed from the machine efore it is returned to service.
•The M500H must not e used to pick up flamma le or com usti le materials or used in areas where these
materials may e present.
•Solvent- ased or water- ased solutions containing solvents may damage the pump, hoses, and other
components. Do not assume chemical compati ility. Contact your distri utor or Hydro-Force if you have
questions regarding the compati ility of your chemicals with the machine.
•Do not clean with solutions that are at temperatures a ove 130ºF.
•Rinse the solution tank, chemical system, and pump with fresh water after each day’s use.
•Do not allow pump to run dry. Always maintain adequate solution level to supply solution pump.
•HP hoses may rupture if worn or damaged. Do not use HP solution hoses if hose covering is cut, ulging, or
otherwise damaged. Examine HP solution hoses daily and replace or repair hoses as needed.
•Use a Hydro-Filter II and clean the recovery tank daily to keep pump-out filter and pump from ecoming
clogged. Store the M500H with the recovery tank lid open.
•Keep Vacuum Inlet Filter clean and check float for proper operation. Do not operate the M500H without the
Vacuum Inlet Filter in place. Use defoamer to eliminate foam build-up during cleaning and prevent
foam/moisture from entering vacuums.
***Use common sense to protect yourself and others while using this equipment.***
•Keep pets and children away from the machine when in use.
•Keep all ody parts, hair, and loose clothing away from openings and moving parts. Always wear appropriate
clothing and safety equipment when operating unit.
•Use extra care when cleaning on stairs. Wet carpet on stairs can e slippery.
•Do not move the M500H up or down stairs when tanks are full of water. Drain solution and recovery tanks,
and secure ase latches efore moving unit up or down stairs. Lift using only the appropriate handles.
•Water may e spilled, drip, or e exhausted from vacuums during operation. Place unit in area where water will
not cause damage or use drop cloth to protect surfaces.
