Craftsman 917.370401 Owner's Manual page 62

550 series briggs & stratton engine power-propelled 22" rear discharge rotary lawn mower
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AiR FILTER
Your engine will not run properly and may
be damaged by using a dirty air filter.
Replace the air filter every 100 hours of
operation or every season, whichever
oc-
curs first. Service air cleaner more often
under dusty conditions.
TO CLEAN AIR FILTER
1. Remove cover.
2. Carefully
remove cartridge.
3. Clean by gently tapping on a flat sur-
face. If very dirty, replace cartridge.
ACAUTION:
Petroleum solvents,
such as
kerosene, are not to be used to clean car-
tridge. They may cause deterioration
of the
cartridge. Do not oil cartridge. Do not use
pressurized
air to clean or dry cartridge.
4.
Install cartridge, then replace cover.
Slot
Tab
Cartridg_
Filter cover
MUFFLER
Inspect and replace corroded muffler as it
could create a fire hazard and/or damage.
SPARK PLUG
Replace spark plug at the beginning
of
each mowing season or after every 100
hours of operation,
whichever
occurs
first. Spark plug type and gap setting are
shown in the "PRODUCT
SPECIFICA-
TIONS" section of this manual.
CLEANING
IMPORTANT:
For best performance,
keep mower housing free of built-grass
and trash. Clean the underside of your
mower after each use.
,ACAUTION"
Disconnect
spark plug wire
from spark plug and place wire where it
cannot come in contact with plug.
• Clean the underside of your lawn
mower by scraping to remove build-up
of grass and trash.
• Clean engine often to keep trash from
accumulating.
A clogged engine runs
hotter and shortens engine life.
• Keep finished surfaces and wheels free
of all gasoline, oil, etc.
• We do not recommend
using a garden
hose to clean lawn mower unless the
electrical
system, muffler, air filter and
carburetor
are covered to keep water
out. Water in engine can result in short-
ened engine life.
CLEAN
UNDER DRIVE COVER
Clean under drive cover at least twice a
season. Scrape underside of cover with
putty knife or similar tool to remove any
build-up of trash or grass on underside of
drive cover.
14

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