Craftsman 917.379271 Manual De Dueño página 12

Idiomas disponibles

Idiomas disponibles

LITIES
LAWN MOWER
Always observe safety rules when performing any mainte-
nance.
TIRES
*
Keep tires free of gasoline, oil, or insect control chemi-
cals which can harm rubber°
o
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 (See Fig_ 1t)
°
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
boil
°
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 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 (See Fig. 11)
°
Position the blade adapter-on the engine crankshaft..
Be sure key in adapter and crankshaft
keyway are
aligned..
Position blade on the blade adapter aligningthe 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_
°
Install the blade bolt with the lock washer'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. Ibs.
IMPORTANT: BLADE BOLT IS GRADE 8 HEATTREATED_
BLADE
ADAPTER
SHAFT
KEYWAY
BLADE
HARDENED
WASHER
TRAIUNG
LOCK WASHER
EDGE
"CRAN_
SHAFT
BLADE ADAPTER
FIG. 11
GRASS CATCHER
The grass catcher may be hosed with water, but must
be dry when used.
°
Check your grass catcher' often for damage or deterio-
ration. Through normal use it will wear_. If catcher
needs replacing, replace onty with a manufacturer
approved replacement catcher_ Give the lawn mower
model number when ordering°
DRIVE WHEELS
Check front drive wheels each time before you mow to be
sure they move freely,,
The wheels not turning freely means trash, grass cuttings,
etc. are in the drive wheel area and must be cleaned to free
drive wheels,
If necessary to clean the ddve wheels, check both front
wheels..
Remove hubcaps, hairpin cotters and washers,
Remove wheels from wheef adjusters..
°
Remove any trash or grass cuttings from inside the
dust cover, pinion and/or drive wheel gear teeth,
Put wheels back in place.
If after cleaning, the drive wheels do not turn freely,
contact your nearest authorized service center.,
NOTE: We do not recommend sharpening blade - but if
you do, be sure the blade is balanced.
TO SHARPEN BLADE
Care should-be .taken to-keel_the-bladebalanced.
An
unbalanced blade will cause eventual damage to lawn
mower or engine_
o
°
The blade can be sharpened with a file or on a grinding
wheel° Do not attempt to sharpen while on the mower.
To check blade balance, drive a nail intoa 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°
12
GEAR CASE
To keep your drive system working properly, the gear
case and area around the drive should be kept clean
-and-freeof-trash-build_up, Clean.under.the drive cover
twice a season.
The gear case is fitted with lubricant to the proper level
at the factory.
The only time the lubricant needs
attention is if service has been performed on the gear
case,
If lubricant is required, use only Texaco Starplex Pre-
mium 1 Grease, Part No, 750355. Do not substitute°
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