Ariens 911160 - LM21 User Manual

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NEVER attempt to make any adjustments to 
unit while engine is running (except where 
specifically recommended). Stop engine, 
remove key (electric start models) and wait 
for all moving parts to stop before servicing. 
DO NOT make cutting height wheel 
adjustments while the engine is running.
If you strike an object, or if equipment 
vibrates abnormally, stop engine at once, wait 
for moving parts to stop and disconnect wire 
from spark plug. Repair any damage before 
restarting unit.
Keep rear door closed when engine is 
running unless the grass bag is in place. 
Stop engine before removing and emptying 
grass bag.
When mulching or bagging, ALWAYS install 
discharge cover.
When side discharging, ALWAYS install side 
discharge deflector.
ALWAYS shut off engine, allow blade to stop 
and disconnect spark plug wire before 
clearing clogs or cleaning unit.
Check grass bag for wear, damage, and/or 
deterioration. Replace only with Ariens 
original equipment replacement parts for 
safety.
To reduce fire hazard and overheating, keep 
equipment free of grass, leaves, debris or 
excessive lubricants.
Use extra care when approaching blind 
corners, shrubs, trees, or other objects which 
may obscure vision.
DO NOT mow at too fast a rate. DO NOT 
change engine governor setting or over-
speed the engine.
Do not operate mower on gravel or loose 
material such as sand. Stop mower when 
crossing drives, walks, or roads to prevent 
damage or injury from thrown objects.
DO NOT pull mower backwards unless 
absolutely necessary. Look down and back, 
especially for small children, before and while 
moving backwards.
On self-propelled models, releasing wheel 
drive control must stop mower’s forward 
movement. If this feature fails to operate, 
disconnect spark plug wire and repair before 
using unit. 
On self-propelled models, wheel drive must 
be disengaged when starting engine.
DO NOT operate on steep slopes. 
NEVER leave unit unattended on a slope. 
Chock wheels if parking on a slope.
Mow across the face of slopes, never up and 
down. Be especially cautious when changing 
direction on slopes.
This product is equipped with an internal 
combustion engine. DO NOT use on or near 
any unimproved, forest or brush covered land 
unless the exhaust system is equipped with a 
spark arrestor meeting applicable local, state 
or federal laws. A spark arrestor, if used, 
must be maintained in effective working order 
by the operator. See your Ariens Dealer or 
engine manufacturer’s service center.
Emission Control System 
Certification Label
NOTE: Tampering with emission controls and 
components by unauthorized personnel may 
result in severe fines or penalties. Emission 
controls and components can only be 
adjusted by EPA and/or CARB authorized 
service centers. Contact your Ariens 
Equipment Retailer concerning emission 
controls and component questions. 
Fuel is highly flammable and its vapors can 
explode. ONLY use approved fuel containers.
NO Smoking!
NO  Sparks!
NO Flames!
Allow engine to cool before filling fuel 
tank. 
Never fill containers inside a vehicle or on a 
truck or trailer bed with a plastic liner. Always 
place containers on the ground away from 
your vehicle before filling.
When practical, remove gas-powered 
equipment from the truck or trailer and refuel 
it on the ground. If this is not possible, then 
refuel such equipment on a trailer with a 
portable container, rather than from a 
gasoline dispenser nozzle.
Keep the nozzle in contact with the rim of the 
fuel tank or container opening at all times until 
fueling is complete. Do not use a nozzle lock-
open device.
Check fuel supply before starting engine.
DO NOT fill gasoline tank indoors, when 
engine is running, or while engine is hot.
Allow engine to cool several minutes before 
removing fuel cap.
DO NOT overfill. Allow about 1/4" (6 mm) of 
tank space for fuel expansion.
Replace gasoline tank cap securely and 
clean any spilled fuel before starting engine. 
If fuel is spilled on clothing, change clothing 
immediately.
NEVER store fuel inside where there is an 
open flame, such as a water heater.