Engine cooling, Spark plug, Muffler – Ariens 911 User Manual
Page 17: Mower blade, Lubrication and maintenance (continued)
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Lubrication and Maintenance (Continued)
Inspect air cleaner every 10 hours of operation or
every month, whichever occurs first.
When dirty, filter elements should be removed and
cleaned per the following instructions.
NOTE: Inspect air cleaner more often if unit is used
under dirty dusty conditions.
To inspect and/or clean remove cover and filter
element(s) and/or cartridge from air cleaner body.
NOTE: Clean air cleaner cover and body before
installing clean or new components.
Foam Filter Element (Pre-cleaner) - Wash foam
elements in warm water with detergent. Rinse
thoroughly until all traces of detergent are eliminated,
squeeze (don’t wring) away excess water and air dry.
Soak foam element in clean fresh oil, wrap in paper
towel or rag and squeeze out excess oil.
Cartrldge/Or Paper Filter Element - Clean by
tapping gently on flat surface. Replace if it is very
dirty or becomes distorted.
Engine Cooling
The engine is air cooled. Air must circulate freely
around engine and over cooling fins on cylinder head
and block to prevent overheating.
Once a year or every one hundred (100) operating
hours (more often if conditions require) clean engine
fins and external surfaces of engine of dust, dirt, and
oil deposits which can contribute to improper cooling.
IMPORTANT: DO NOT operate engine with blower
housing removed - this will cause overheating and
engine damage.
A
CAUTION: Periodically clean muffler
and manifold areas to remove all grass,
dirt and combustible debris. If engine
muffler is equipped with spark arrester
screen assembly, remove every 50
hours for cleaning and inspection.
Replace if damaged.
Spark Plug
Spark plug should be cleaned or replaced (if
necessary) and gap reset to .030” every 100 hours of
operation or yearly whichever comes first.
To clean, remove debris from area around spark plug
base, remove spark plug from engine, scrape and
wash with a commercial solvent. DO NOT blast
clean.
NOTE: Sparking can occur if wire terminal does not
fit firmly on spark plug. Reform terminal if necessary.
Muffler
Worn out mufflers are more than just a noise
nuisance and should be replaced immediately.
Continued use could result in fire or explosion.
Mower Blade
A
CAUTION:
Use
sturdy
gloves
or
padding to protect hands when working
with mower blades.
Regularly check mower blades for wear and that lock
washer is fully compressed by cap screw (requires
25-30 foot pounds of torque on cap screw.
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