Craftsman 917.379380 El Manual Del Propietario página 12

IMPORTANT: Blade bott is grade 8 heat
treated.,
TO SHARPEN BLADE
NOTE: We do not recommend sharpem
ing blade - but if you do, be sure the blade
is balanced.
Care should be taken to keep the blade
balanced An unbalanced blade will
cause eventual damage to lawn rnower or
engine.
o Ttle blade can be sharpened with a file
or on a grinding wheel. Do not attempt
to sharpen while on the mower.
,, To check blade balance, drive a nail
into a bearn or' wall, Leave about one
inch of the straight nail exposed, Place
center hole of blade over" the head of
the nail. if blade is balanced, it should
remain in a horizontal position. If either
end of the blade moves downward,
sharpen the heavy end until the blade
is balanced,. Crank shaft
Blade keyway
Key
Blade
/ !
Blade Crank
bolt shaft
\.
Lock ]'railing Blade
washer Hardened edge adapter
washer
GRASS CATCHER
,, The grass catcher may be hosed with
water, but must be dry when used.
,, Check your grass catcher often for
damage or deterioration. Through normal
use it will wear. If catcher needs replacing,
replace only with a manufacturer approved
replacement catciqer. Give the lawn
mower model number when ordering.
DRIVE WHEELS
Check front drive wheels each time before
you mow to be sure they move freely°
The wheels not turning freely rneans
trash, grass cuttings, etc. are in the drive
wheel area and must be cleaned to free
drive wheels.
If necessary to clean the drive wheels,
check both front wheels..
,, Remove hubcaps, hairpin cotters and
washers.
o Remove wheels from wheel adjusters.
o Remove any trash or grass cuttings
from inside the dust cover, pinion and/
or drive wheel gear teeth.
° Put wheels back in place.
• tf after cleaning, the drive wheels do
not turn freely, contact your nearest
authorized service center,
GEAR CASE
• To keep your drive system working
properly, the gear case and area
around the drive should be kept clean
and free of trash build-up. Clean under
the drive cover twice a season.
The gear case is filled with lubricant to
the proper level at the factory. The only
time the lubricant needs attention is if
service has been performed on the
gear case.
° If lubricant is required, use only Texaco
Starplex Prernium 1 Grease, Part No.
750369. Do not substitute.
ENGINE
LUBRICATION
Use only high quality detergent oil rated
with API ser¢ice classification SF, SG or
SH. Select the oil's SAE viscosity grade
according to your expected operating
temperature°
SA,EVISCOSITY GRADES
[ TEMPERATURE' RANG_ ANTICIPATED BEFORE NEXT OIL CHANGE
NOTE: Although multi-viscosity oils
(5W30, 10W30 etc,)improve starling in
cold weather, these multi-viscosity oils
will result in increased oil consumption
when used above 32_'R Check your
engine oil level rnore frequently to avoid
possible engine damage from running
low on oil.
Change the oil after every 25 hours of
operation or at least once a year if the
lawn mower is not used for 25 hours in
one year.
Check the crankcase oil level before
starting the engine and after each five (5)
hours of continuous use, Tighten oi] plug
securely each time you check the oil
level,
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