Craftsman 917377790 gas walk-behind lawn mower

User Manual - Page 13

For 917377790.

PDF File Manual, 44 pages, Download pdf file

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PRODUCT SPECIFICATIONS
Serial Number:
Date of Purchase:
Gasoline Capacity/Type: 1.0 Quarts (Unleaded Regular)
Oil Type (API-SF-SJ): SAE 10W30
Oil Capacity: 18.5 Ounces
Spark Plug (Gap: .030") NGK BPR6ES
Blade Bolt Torque: 36-44 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
tuming when removing blade bolts.
NOTE: Protect your hands with gloves
and/or wrap blade with heavy cloth.
4. Remove blade bolts by turning
counter-clockwise.
TO REPLACE BLADE
1. Position the blade. Be sure the
trailing edge of blade (opposite sharp
edge) is up toward the engine and
install the blade bolts.
2. Use block of wood between blade and
lawn mower housing and tighten the
blade bolts, turning clockwise.
The recommended tightening torque is
36-44 ft. Ibs.
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
Blade
bolts
edge
13
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