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PRODUCT
SPECIFICATIONS
Serial Number:
Date of Purchase:
Gasoline
Capacity/Type:
1.6 quarts
(Unleaded
Regular)
Oil Type (API-SF-SJ):
SAE 30 (above
32°F); SAE 5W-30
(below 32°F)
Oil Capacity:
20 Ounces
Spark Plug (Gap:
.030")
Champion
RJ19LM
or J19LM
Blade Bolt Torque:
35-40 ft. Ibs.
The model and serial
numbers
will be found
on a decal on the rear of the mower
housing.
Record
both serial
number
and date of purchase
in space provided
above.
LAWN MOWER
Always observe safety rules 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
1. Disconnect spark plug wire from spark
plug and place wire where it cannot
come in contact with spark plug.
2. Turn lawn mower on its side. Make
sure air filter and carburetor are up.
3. Use a wood block between blade and
mower housing to prevent blade from
turning when removing blade bolt.
NOTE: Protect your hands with gloves
and/or wrap blade with heavy cloth.
4. Remove blade bolt by turning counter-
clockwise.
5. Remove blade and attaching hard-
ware (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 condi-
tion to work properly. Replace adapter if
damaged.
TO REPLACE
BLADE
1.
Position
the blade adapter
on the
engine
crankshaft.
Be sure key in
adapter
and crankshaft
keyway
are
aligned.
2.
Position
blade
on the blade adapter
aligning
the two (2) holes
in the blade
with the raised
lugs on the adapter.
3. Be sure the trailing
edge of blade
(opposite sharp edge) is up toward
the engine.
4. Install the blade bolt with the lock
washer and hardened washer into
blade adapter and crankshaft.
5. 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. Ibs.
IMPORTANT:
Blade bolt is grade 8 heat
treated.
TO SHARPEN BLADE
NOTE: We do not recommend sharpen-
ing blade - but if you do, be sure the
blade is balanced.
Care should be taken to keep the blade
balanced. An unbalanced blade will
cause eventual damage to lawn mower
or engine.
• The blade can be sharpened with a file
or on a gdnding wheel. Do not attempt
to sharpen while on the mower.
• To check blade balance, drive a nail
into a beam or wall. Leave about one
inch of the straight nail exposed. Place
center hole of blade over the head of
the nail. If blade is balanced, it should
remain in a horizontal position. If either
end of the blade moves downward,
sharpen the heavy end until the blade
is balanced.
Blade adapter
Crankshaft
keyway
Blade
Blade
bolt
11
Hardane
washer
;rank
shaft
Trailing edge
Blade adapter
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