Husqvarna DRT900E - Manual (Page 14)

14
MAINTENANCE
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 is shown in “PRODUCT
SPEC I FI CA TIONS” on page 3 of this manual.
TRANSMISSION
Once a season, lubricate the right hand side gear case
grease fitting with 1 oz. of EP #1 Grease.
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 mat-
ter.
• Keep finished surfaces and wheels free of all gas o line,
oil, etc.
• Protect painted surfaces with au to mo tive type wax.
COOLING SYSTEM (See Fig. 22)
Your engine is air cooled. For proper engine performance
and long life keep your engine clean.
• Clean air screen frequently using a stiff-bristled-
brush.
• Remove blower housing and clean as nec es sary.
• Keep cylinder fins free of dirt and chaff.
Fig. 22
Air Screen
Cylinder Fins
Blower
Housing
Muffler