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PRODUCT SPECIFICATIONS
MODEL NUMBER
917.388153
SERIAL NUMBER
DATE OF PURCHASE
HORSEPOWER:
5.0
DISPLACEMENT:
11.5 CU. IN.
GASOLINE CAPACITY/TYPE:
1.5 QUARTS
UNLEADED REGULAR
OIL TYPE (API-SF/SG/SH):
SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32°F)
OIL CAPACITY:
20 OZS.
SPARK PLUG(GAP: .030")
CHAMPION RJ19LM
VALVECLEARANCE:
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 observe safety rules when performing
any maintenance.
TIRES
• Keep tiresfree 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 plugwire from spark plug
and place wire where itcannot come in
contact with spark plug.
• Turn lawn mower on its side. Make sure air
fitterand carburetorare up.
• Use a wood block between blade and
mower housingto 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-
dock'wise.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 conditionto 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
aligningthe two (2) holes in the blade with
the raised lugs on the adapter.
• Be sure the trailingedge is up toward the
engine.
• Installthe blade boltwith the lockwasher
and hardened washer into blade adapter
and crankshaft.
• Use blockof wood between blade and
lawn mower housing and tightenthe blade
bolt,turning clockwise.
• The recommended tighteningtorque ls 35-
40 ft. Ibs.
IMPORTANT."
Blade bolt is grade 8 heat
treated.
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