Craftsman 917.37742 - Manual (Page 11)

RRODUGT SPECIFICATIONS
MODEL NUMBER 917.377420
SERIAL NUMBER
DATE OF PURCHASE
HORSEPOWER: 6.5
DISPLACEMENT: 12.56 CU. IN.
GASOLINE CAPACITY/TYPE: 1.25 QUARTS
UNLEADED REGULAR
OIL TYPE (APl-SF/SG/SH): SAE 30 (ABOVE 32T)
SAE 5W-30 (BELOW 32“F)
OIL CAPACITY: 20 02S.
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 pro­
vided above.
LAWN MOWER
Always observe safety ruies when perform­
ing 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.
" 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 wash­
er).,
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 keyway in crankshaft 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 the trailing edge is up toward
the engine.
» Install the blade bolt with the lock wash­
er and hardened washer 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. lbs.
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