Exmark COMMERCIAL 21 Operator's Manual page 7

Operation
WARNING
Operating engine parts, especially the muffler,
become extremely hot. Severe burns can occur
on contact and debris, such as leaves, grass,
brush, etc. can catch fire.
• Allow engine parts, especially the muffler, to
cool before touching.
• Remove accumulated debris from muffler and
engine area.
WARNING
Engine exhaust contains carbon monoxide,
which is an odorless deadly poison that can kill
you.
Do Not run engine indoors or in a small confined
area where dangerous carbon monoxide fumes
can collect.
• Operate only in daylight or good artificial light,
keeping away from holes and hidden hazards.
• Lightning can cause severe injury or death. If
lightning is seen or thunder is heard in the area,
Do Not operate the machine; seek shelter.
• Start the engine carefully according to instructions
with feet well away from the blade.
• Never raise deck with blade running.
• Never operate the mower with damaged guards,
shields, or covers. Always have safety shields,
guards, switches and other devices in place and in
proper working condition.
• Never mow with the discharge door raised,
removed or altered unless there is a grass
collection system or mulch kit in place and
working properly.
• Grass catcher components are subject to wear,
damage and deterioration, which could expose
moving parts or allow objects to be thrown.
Frequently check the components and replace
them with the manufacturer's recommended parts
when necessary.
• Do Not change the engine governor setting or
overspeed the engine.
• Never attempt to make wheel height adjustments
while the engine is running.
• Park the machine on level ground. Stop engine,
wait for all moving parts to stop, and remove the
spark plug wire(s).
– Before checking, cleaning or working on the
mower.
– After striking a foreign object or abnormal
vibration occurs (inspect the mower for
damage and make repairs before restarting
and operating the mower).
– Before clearing blockages.
– Whenever you leave the mower.
• Stop engine, wait for all moving parts to stop:
– Before refueling.
– Before dumping the grass catcher.
– Before making height adjustments.
WARNING
Hands, feet, hair, clothing, or accessories can
become entangled in rotating parts. Contact
with the rotating parts can cause traumatic
amputation or severe lacerations.
• Do Not operate the machine without
guards, shields, and safety devices in place
and working properly.
• Keep hands, feet, hair, jewelry, or clothing
away from rotating parts.
• Keep clear of the discharge opening at all times.
• This mower was designed for one operator
only. Keep all others away from mower during
operation.
• DO NOT operate the mower when people,
especially children, or pets are in the area.
• Be alert, slow down and use caution when
making turns. Look behind and to the side before
changing directions.
• Stop the blades, slow down, and use caution
when crossing surfaces other than grass and when
transporting the mower to and from the area to
be mowed.
• Be aware of the mower discharge path and direct
discharge away from others.
• Do Not operate the mower under the influence
of alcohol or drugs.
7
Safety