Husqvarna 917.29939 - Manual (Page 12)

MAINTENANCE
COOLING SYSTEM (See Fig. 14)
Your engine is air cooied. For proper engine performance
and iong iife keep your engine ciean,
•
Ciean air screen frequentiy using a stiff-bristied
brush,
• Remove biower housing and ciean as necessary,
• Keep cyiinder fins free of dirt and chaff.
MUFFLER
Do not operate tiiier without muffier. Do not tamper with
exhaust system, Damaged muffiers orspark arresters couid
create a fire hazard. Inspect periodicaiiy and repiace if
necessary. If your engine is equipped with a spark arrester
screen assembiy, remove every 50 hours for cieaning and
inspection, Repiace if damaged.
SPARK PLUG
Repiace spark piugs at the beginning of each tiliing sea­
son or after every 50 hours of use, whichever comes first.
Spark piug type and gap setting is shown in “PRODUCT
SPECIFICATIONS” on page 3 of this manuai,
TRANSMISSION
Your transmission is seaied andwiii oniy require iubrication
if it is serviced,
CLEANING
Do not ciean your tiiier when the engine and transmission
are hot. We do not recommend using pressurized water
(garden hose, etc,) to ciean your unit uniess the gasket
area around the transmission and the engine muffier, air
fiiter and carburetor are covered to keep water out. Water
in engine wiii shorten the usefui iife of your tiiier,
•
Ciean engine, wheeis, finish, etc, of aii foreign mat­
ter,
• Keep finished surfaces and wheeis free of aii gasoiine,
oii, etc,
• Protect painted surfaces with automotive type wax.
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