Blade Care - Sears Craftsman Manual De Uso

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LAWN
MOWER
Always observe safety rules when per-
forming any maintenance.
TIRES
• Keep tires free of gasoline,
oil, or insect
control chemicals which can harm rubber.
• Avoid stumps, stones, deep ruts, sharp
objects and other hazards that may
cause tire damage.
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, be
sure to clean both front wheels.
1. Remove hubcaps, Iocknuts & washers.
2. Remove wheels from wheel adjusters.
3. Remove any trash or grass cuttings
from inside the dust cover, pinion and/
or drive wheel gear teeth.
4. Put wheels back in place.
NOTE:
If after cleaning, the drive wheels
do not turn freely, contact a Sears or other
qualified service center.
BLADE
CARE
For best results, blade must be kept sharp.
Replace bent or damaged blades.
TO REMOVE
BLADE
1. Disconnect
spark plug wire from spark
plug and place wire where it cannot
come in contact with plug.
2. Turn lawn mower on its side. Make
sure air filter and carburetor are up.
3. Use a wood block between blade and
mower housing to prevent blade from
turning when removing blade bolt.
NOTE:
Protect your hands with gloves
and/or wrap blade with heavy cloth.
4. Remove blade bolt by turning counter-
clockwise.
5. Remove blade & attaching hardware
(bolt, lock washer & hardened washer).
TO REPLACE
BLADE
1. Position blade on the blade adapter
aligning the two (2) holes in the blade
with the raised lugs on the adapter.
2. Be sure the trailing edge of blade (oppo-
site sharp edge) is up toward the engine.
3.
Install the blade bolt with the lock
washer and hardened washer into
blade adapter and crankshaft.
4. Use block of wood between blade and
lawn mower housing and tighten the
blade bolt, turning clockwise.
• The recommended
tightening torque is
35-40 ft. Ibs.
IMPORTANT:
Blade bolt is heat treated.
If bolt needs replacing,
replace only with
approved bolt shown in the Repair Parts
section of this manual.
Blade adapter
Crankshaft
Key _
keyway
Lockwasher
Blade
\
Crank
Blade
sha_
bolt
Hardenel
\
washer
Trailing edge
Blade adapter
TO SHARPEN
BLADE
NOTE: We do not recommend
sharpening
the blade - but if you do, be sure the blade
is balanced.
Care should be taken to keep the blade bal-
anced. An unbalanced blade will cause even-
tual damage to lawn mower or engine.
• The 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 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
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 dam-
age or deterioration.
Through normal
use it will wear.
If catcher needs replac-
ing, replace only with approved replace-
ment catcher shown in the Repair Parts
section of this manual.
Give the lawn
mower model number when ordering.
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 Elf Mul-
tis EP00.
Do not substitute.
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