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PRODUCT SPECIFICATIONS
MODEL NUMBER 917.38021
SERIAL, NUMBER
DATE OF .P,URCHASE
HORSEPOWER: .... !_.,. t._. . =
DISPLACEMENT:
GASOL_INE CAPACITY/TYPE:
OIL TYPE _(API-S FiSG/SH):
• = .
OIL CAPACITY:
SPARK PLUG(GAP: .030")
VALVF:CLEARANCE: "
-: 4.0
1,5CUJN.
1.5 QUARTS
,_.. ,. UNLEADED REGULAR
SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32'_F)
20 OZS.
.... CHAMPION RJ19L
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 !n 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
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/I6" 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
• 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.
• Be sure the trailing edge of blade (opposite
sharp edge) is up toward the engine,
,, Insta]I the blade bolt with the lock washer
and hardened washer into blade adapter
and crankshafL
° 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, Ibso
IMPORTANT: Blade belt is grade 8 heat
treated,
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