Product Specifications - Craftsman EZ3 917.387280 Owner's Manual

PRODUCT SPEC!FICATRONS
MODEL NUMBER 917.387280
SERIAL NUMBER
DATE OF PURCHASE
HORSEPOWER: 6.0
DISPLACEMENT: 11,5 CU. IN.
GASOLINE CAPACITY/TYPE: t .5 QUARTS
UNLEADED REGULAR
OIL TYPE (API-SFISGfSH): SAE 30 (ABOVE32°F)
SAE 5W_3'0 (BELOW 32°F)
OIL CAPACITY: 20 OZS.
SPARK PLUG(GAP: .030") CHAMPION RJt9LM
VALVECLEARANCE: iNTAKE: .004 - ,008
EXHAUST: .004 - .008
SOLID STATE IGNITION
A1R 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 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.
• Turn 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
turning when removing blade bolt.
- Protectyour 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
(bolt, lock washer and hardened washer).
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,
TO REPLACE BLADE
,, Positionthe blade adapter on the engine
crankshaft. Be sure key in adapter and
keyway in crankshaft are aligned.
. Positionblade on the blade adapter
aligning the two (2) holes in the blade with
the raised lugs on the adapter.
• Be sure the trailing edge is up toward the
engine.
,, Installthe 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
belt, turning clockwise.
• The recommended tightening torque is 3,5-
40 ft. Ibs.
IMPORTANT: Blade bolt is grade 8 heat
treated.
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