Specifications - Craftsman EZ3 917.377590 Owner's Manual

PRODUCT SPECiFiCATiONS
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MOD EL. NUMBER 9t 7,377590
'SERIAL NUMBER
DATE OF PURCHASE
HORSEPOWER; 6.75
DISPLACEMENT: 12,560 CU, IN.
GASOLINE CAPACITY/TYPE: 1.5 QUARTS
UNLEADED REGULAR
OIL TYPE (APFSF/SG/SH): SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32°F)
OIL CAPACITY: 27 OZS.
SPARK PLUG(GAP: .030") CHAMPION RJ19LM OR J19LM
VALVE CLEARANCE: 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 serial number and date of purchase in space
provided above.
LAWN MOWER
Always obse#e safety rules when performing
any maintenance,
TIRES
• Keep tires free of gasoline, el!, or Insect
contrbl chemicals which can harm rubber.
= Avoid stumps, stones, deep nJts, 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
o 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
tilter and carburetor are up.
• Use a wood bbck between blade and
mower housing to prevent blade from
turning 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 bladeand attaching"_-
(b01t,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
,, 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.
o Be sure the trailing edge of blade (opposite
sharp edge) is up toward the engine,
o Install the blade bolt with the lock washer
and hardaned Washer into blade adapter
and crankshaft.
° Use block of wood between blade and lawn
mower housing and tighten the blade bolt,
turning clockwise,
o The recommended tightening torque is 35-
40 ft, Ibs,
IMPORTANT: Blade bolt is grade 8 heat
treated.
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