Ariens 427490 User Manual

Page of 34
13
COOLING SYSTEM
 
(See Fig. 21)
Your engine is air cooled.  For proper en gine performance 
and long life keep your engine clean.
• 
Clean air screen  frequently using a stiff-bristled brush.
•  Remove blower housing and clean as necessary.
•  Keep cylinder fins free of dirt and chaff.
Fig. 21
AIR SCREEN
CYLINDER FINS
BLOWER 
HOUSING
MUFFLER
MUFFLER
Do not operate tiller without muffler. Do not tamper with 
exhaust system. Damaged mufflers or spark arresters 
could create a fire hazard. Inspect pe ri odi cally and re place 
if nec es sary. If your engine is equipped with a spark arrester 
screen assembly, re move every 50 hours for cleaning and 
inspection. Re place if dam aged.
SPARK PLUG
Replace spark plugs at the beginning of each tilling sea-
son or after every 50 hours of use, whichever comes first.  
Spark plug type and gap setting are shown in “PRODUCT 
SPECIFICATIONS” on page 4 of this manual.
TRANSMISSION
Your transmission is sealed and will not re quire lubrication 
unless serviced.
MAINTENANCE
CLEANING
Do not clean your tiller when the engine and transmission 
are hot.  We do not rec om mend using pressurized water 
(gar den hose, etc.) to clean your unit un less the gasket 
area around the trans mis sion and the engine muf fler, air 
fil ter and car bu re tor are cov ered to keep wa ter out.  Wa ter 
in en gine will short en the useful life of your tiller. 
•  Clean engine, wheels, finish, etc. of all foreign matter.
• 
Keep finished surfaces and wheels free of all gasoline, 
oil, etc.
•  Protect painted surfaces with au to mo tive type wax.