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PRODUCT SPECIFICATIONS
MODEL NUMBER
SERIAL NUMBER
DATE OF PURCHASE
GASOLINE
CAPACITY/TYPE:
917.388330
OILTYPE
(API-SF/SG/SH):
1:0 QUARTS
UNLEADED
REGULAR
SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32°F)
OIL CAPACITY:
18.50ZS.
SPARK PLUG(GAP:
.030')
(NGK) BPR6ES
VALVE CLEARANCE:
INTAKE:
.004 - .007
EXHAUST:
.006 - .009
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 serial number and date of purchase in space
provided above.
LAWN MOWER
Always observe safety rules when
performing 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.
BLADE
CARE
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 turning counter-
clockwise.
Use a 9/16" box or open-
end wrench.
• Remove blade and attaching hardware.
TO REPLACE BLADE
• Position the blade adapter on the
engine crankshaft.
Be sure the spacer
is in the adaptor and key in shaft and
adaptor
keyway are aligned.
• Position blade on the blade adapter.
Be sure the trailing edge of blade
(opposite sharp edge) is up toward the
engine.
• Install the blade bolt with washers into
blade adapter and crankshaft.
• 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.
11
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