Product Specifications - Sears Craftsman 917.388012 Manual Del Usuario

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PRODUCT
SPECIFICATIONS
SERIAL NUMBER:
DATE OF PURCHASE:
GASOLINE CAPACITY/TYPE:
1.5 QUARTS (UNLEADED REGULAR)
OILTYPE (API-SF-SJ):
SAE 30 (ABOVE 32"F); SAE 5W-30 (BELOW 32_F
OIL CAPACITY:
20 OUNCES
SPARK PLUG (GAP: .045")
CHAMPION RESISTOR TYPE RJ19LM4
BLADE BOLT TORQUE:
35-40 FT. LBS.
• The model and sedal numbers will be found on a decal on the rear of the mower
housing. Record both sedal number and date of purchase In space pmvldod above.
LAWN MOWER
Always observe safety nJleswhen perform-
ing any maintenance.
"nRES
• Keep tires free of gasoline, oil,or insect
controlchomicaiswhichcan harm rubber.
• Avoid stumps,stones,doep ruts,sharp
objectsand other hazards that may cause
tire d amage.
BLADE CARE
For best results, mower 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 spark 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 belt.
NOTE= Protect your hands with gloves
and/or wrap blade with heavy cloth.
4. Remove blade bolt by turning counter-
clockwise.
5. Remove blade and attaching hard-
ware (bolt, lock washer and hardened
washer).
NOTE: Remove the blade adopter and
check the key inside hub of blade
adapter. The key must be In good condi-
tion to work properly.Replace adopter it
damaged.
TO REPLACE BLADE
1. Positionthe blade adapter on the
engine crankshaft. Be sure key in
adopter and crankshaft keyway are
aligned.
2, Pos;tion blade on the blade adopter
aligning the two (2) boles in the blade
with the raised lugs on the adopter.
3. Be sure the trailing edge of blade
(opposite sharp edge) Is up toward
the engine.
4. Install the blade bolt with the lock
washer and hardened washer into
blade adapter and crankshaft.
5. 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 grade 8 heat
treated.
TO SHARPEN BLADE
NOTE: We do not recommend sharpen-
ing blade - but ff 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 mower
or engine.
• The blade can be sharpened with a file
or on a gdnding wheel. Do not attempt
to sharpen while on the mower.
• To cheek blade balance, ddve 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 bodzontal position. If either
end of the blade moves downward,
sharpen the heavy end until the blade
is balanced.
Crankshaft
Key-_
_ keyway
Blade
shaft
bolt
11
washer
TraiUngedge
Blade adapter

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