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Craftsman 917.371740 Owner's Manual page 9

550 series briggs & stratton engine 21" rear-discharge rotary lawn mower

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1. Be sure lawnmoweris level,
2. Removeoil dipstickfrom oil fill spout.
3. You receivea containerof oil withthe
unit. Slowly pourthe entirecontainer
down the oil fill spoutinto the engine.
NOTE:Initialoilfill requiresonly 18oz.
due to residualoil in enginefromthe
manufacturers 100%qualitytesting.
Whenchangingoil you may need20 oz.
4. Insertandtightendipstick,.
IMPORTANT:
• Checkoil level beforeeach use. Add oil
if needed, Fill to full line on dipstick.
• Changethe oil afterevery25 hoursof
operationor eachseason. Youmay
needto changethe oil moreoften
underdusty,dirty conditions. See "TO
CHANGEENGINEOIE'in the Mainte-
nancesectionof this manual,
Engine
oil cap
Primer
TO STOP
ENGINE
. To stop engine,
release
operator
pres-
ence control bar_
TO START
ENGINE
NOTE:
Due to protective
coatings
on the
engine,
a small amount
of smoke
may be
present
during the initial use of the product
and should
be considered
normal.
1, To start a cold engine,
push primer
three
(3) times before trying to start.
Use a firm push. This step is not
usually necessary
when starting
an
engine wMch
has already
run for a few
minutes,
2, Hold operator
presence
control
bar
down to the handle and pull starter
handie quickly.
Do not allow starter
rope to snap back.
NOTE:
In cooler weather
it may be
necessary
to repeat
priming
steps. In
warmer
weather
over priming
may cause
flooding
and engine will not start. If you do
flood engine,
wait a few minutes
before
attempting
to start and do not repeat
priming steps,
Gasoline
filler cap
ADD GASOLINE
• Fill fuel tank to bottom of tank filler neck.
Do not overfill,
Use fresh, clean, regular
unleaded
gasoline
with a minimum
of
87 octane.
Do not mix oil with gasoline.
Purchase
fuel in quantities
that can be
used within 30 days to assure fuel fresh-
ness,
CAUTION:
Wipe off any spilled oil or
fuel,
Do not store, spill or use gasoline
near an open flame,
,& CAUTION:
Alcohol
blended
fuels
(called gasohol
or using ethanol
or metha-
nol) can attract moisture
which leads to
separation
and formation
of acids during
storage.
Acidic gas can damage
the fuel
system
of an engine while in storage°
To
avoid engine problems,
the fuel system
should
be emptied
before storage
of 30
days or longer,
Empty the gas tank, start
the engine and Iet it run until the fuel lines
and carburetor
are empty,
Use fresh fuel
next season,
See Storage
Instructions
for
additional
information.
Never use engine
or carburetor
cleaner
products
in the fuel
tank or permanent
damage
may occur,,
MOWING
TIPS
CAUTION',
Do not use de-thatcher
blade attachments
on your mower. Such
attachments
are hazardous,
will damage
your mower and could void your warranty,
° Under certain conditions,
such as very
tall grass, it may be necessary
to raise
the height
of cut to reduce
pushing
effort and to keep from overloading
the
engine and leaving
clumps
of grass
clippings.
It may also be necessary
to
reduce
ground speed and/or
run the
lawn mower over the area a second
time.
• For extremely
heavy cutting,
reduce
the
width of cut by overlapping
previously
cut path and mow slowly.
• For better grass bagging
and most cut-
ting conditions,
the engine speed should
be set in the FAST position,
• Pores in cloth grass catchers
can
become filled with dirt and dust with use
and catchers
wil! collect
less grass.
To
prevent
this, regularly
hose catcher
off
with water and let dry before
using,
• Keep top of engine around starter
clear
and clean of grass clippings
and chaff.
This wil! help engine
air flow and extend
engine
life,
9

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