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PRODUCT
MODEL NUMBER
SPECIFICATIONS
917.388221
SERIAL NUMBER
DATE OF PURCHASE
GASOLINE CAPACITY/TYPE:
1.5 QUARTS
UNLEADED
REGULAR
OILTYPE (API-SF/SG/SH):
SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32°F)
OIL CAPACITY:
20 OZS.
SPARK PLUG(GAP:
.030")
CHAMPION
RJ19LM OR J19LM
VALVECLEARANCE:
INTAKE:
.004 - .008
EXHAUST:
.004 - .008
sOLID STATE IGNITION
AIR GAP:
.0125 IN.
BLADE BOLT TORQUE:
35-40 FT. LBS.
The model and serial numbers will be found on a decal attached to the rear of the
lawn mower housing.Record both sedai number and date of purchase in space
provided above.
LAW_IMOWER
NOTE:
Remove the blade adapter and
check the key inside hub of blade
adapter. The key must be in good
condition to work properly. Replace
adapter if damaged.
Alwaysobservesafety ruleswhen performing
any maintenance.
TIRES
• Keep tiresfree of gasoline,o_1, orinsect
controlchemicalswhich can harm rubber.
• Avoidstumps,stones,deep ruts,sharp
objectsand otherhazardsthat may cause
tiredamage.
BLADECARE
For best results, mower blade must be
kept sharp.
Replace bent or damaged
blades,
TO REMOVE BLADE
• Disconnect spark plug wire from spark
plug and place wire where it cannot
come in contact with spark plug.
• Tum lawn mower on its side. Make
sure air filter and carburetor are up.
• Use a wood block between blade and
mower housing to prevent blade from
tuming when removing blade bolt.
• Protect your hands with gloves and/or
wrap blade with heavy cloth.
• Remove blade bolt by tuming counter-
ofockwise.
- Remove blade and attaching hardware
(bolt, lock washer and hardened
washer).
TO REPLACE BLADE
• Position the blade adapter on the
engine crankshaft.
Be sure key in
adapter and crankshaft
keyway are
aligned.
• Position blade on the blade adapter
aligning the two (2) holes in the blade
with the raised lugs on the adapter.
• Be sure thetrailing edge of blade
(opposite sharp edge) is up toward the
engine,
Install the blade bolt with the lock
washer and hardened washer into
• blade adapter and crankshaft.
• Use block of wood between
blade and
lawn mower housing and tighten the
blade bolt, tuming clockwise.
• The recommended
tightening torque is
35-40 ft. Ibs.
IMPORTANT:
Blade bolt is grade 8 heat
treated.
10
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