Grass Catcher; Drive Wheels - Craftsman EZ3 917.377284 Owner's Manual

6.0 horsepower 20" rear discharge rotary lawn mower
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blade bolt, turning
clockwise
o The recommended
tightening
torque
is
35.-40 ft. Ibs.
IMPORTANT:
Blade bolt is grade 8 heat
treated.
NOTE:
We do not recommend
sharpen-
ing blade - but if you do, be sure the blade
is balanced,
TO SHARPEN
BLADE
Care should
be taken to keep the blade
balanced.
An unbalanced
blade will cause
eventual
damage
to lawn mower or
engine.
o The blade can be sharpened
with a file
or on a grinding
wheel
Do not attempt
to sharpen
while on the mower.
o To check blade balance,
drive a nail into
a beam 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
Crank-
Blade
shaft
adapter
/ keyway
Blade
Key...._
B,ade\
""-.
'_'_..-_
i: ;_o,_,,
Crank-
Hardened/ I
['b¢A_."t_j/" ......
washer
/
Trail_ _g
Blade
Lockwasher
edge
adapter
heavy end until the blade is balanced.
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 manufac-
turer approved replacement catcher°
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 means 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
• Remove
wheels
from wheel adjusters,
Remove
any trash or grass cuttings
from
inside the dust cover,
pinion and/or
drive
wheel
gear teeth.
• Put wheels
back in place.
If after cleaning,
the drive wheels
do not
turn freely,
contact
your nearest
authorized
service
centerr
GEAR
CASE
o 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.
o 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
Premium
1 Grease,
Part No.
750355°
Do not substitute.
ENGINE
LUBRICATION
Use only high quality detergent oil rated with
API service classification SF, SG or SH.
Select the oil's SAE viscosity grade according
to your expected operating temperature.
NOTE:
Although multi-viscosity
oils (5W30,
10W30 etc.) improve starting in cold weather,
these multiMscosity
oils will result in increased
oil consumption
when used above 32°F.
Check your engine oil level more 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 oil plug securely each
time you check the oil level,
TO CHANGE
ENGINE OIL
NOTE:
Before tipping lawn mower to drain
oil, drain fuel tank by running engine until fuel
tank is empty.
12

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