Product Specifications; Tires; Blade Care; To Remove Blade - Craftsman EZ3 917.377291 Owner's Manual

PRODUCT SPECmFmCATJONS
MODEL NUMBER 917.37729I
SERIAL NUMBER
DATE OF PURCHASE
HORSEPOWER: 6,5
DISPLACEMENT: 12_56 CU, IN,
GASOLINE CAPACITY/TYPE: 1.5 QUARTS
UNLEADED REGULAR
OIL TYPE (API-SF/SG): SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32°F)
OIL CAPACITY: 270ZS.
SPARK PLUG(GAP: .030") CHAMPION RJ19L
VALVECLEARANCE: INTAKE: _004 - .008
EXHAUST_ _004 - .008
SOLID STATE IGNITION
AIR GAP: .0125 IN,
BLADE BOLTTORQUE: 35-40 FT. LBS,
The model and serial numbers wilt 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 ether 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 plugo
• Turn lawn mower on its side. Make sure air
filter and carburetor are up.
o Use a wood block between blade and
mower housing to prevent blade from
turning when removing blade bolt,
o 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
(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.
Blade Crank shaft
Blade
11
Bolt Crank
Lockwasher Hardened Blade shaft
washer Trailing adaptor
edge
TO REPLACE BLADE
o Position the blade adapter on the engine
crankshaft. Be sure key in adapter and
keyway in crankshaft are aligned.
o Position blade on the btade adapter aligning
the two (2) holes in the blade with the raised
lugs on the adapter