Craftsman 917272243 lawn tractor

User Manual - Page 19

For 917272243.

PDF File Manual, 64 pages, Download pdf file

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TRACTOR
Alwaysobservesafetyrules when
performing any maintenance.
BRAKE OPERATION
If tractorrequires more than six (6) feet
stopping distance at high speed in
highestgear, then brake must be ad-
justed. (See "TO ADJUST BRAKE" inthe
Service and Adjustments section of this
manual).
TIRES
Maintain proper air pressure in all tires
(See "PRODUCT SPECIFICATIONS"
section of this manual).
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.
NOTE: To seal tire punctures and prevent
flat tires due to slow leaks, tire sealant
may be purchasedfrom your local parts
dealer. Tire sealant also preventstire dry
rot and corrosion.
OPERATOR PRESENCE SYSTEM
Be sure that operator presence and
interlock systems are working properly. If
your tractor does not function as de-
scribed below, repair the problem
immediately.
The engine should not start unless the
brake pedal is fully depressed and
attachment clutch control is in the
disengaged position.
When the engine is running, any
attempt by the operatorto leave the
seat without first setting the parking
brake should shut off the engine.
When the engine is running and the
attachment clutch is engaged, any
attempt by the operator to leave the
seat should shut off the engine.
The attachment clutch should never
operate unless the operator is in the
seat.
BLADE CARE
For best results mower blades must be
kept sharp. Replace bent or damaged
blades.
BLADE REMOVAL
1. Raise mower to highest position to
allow access to blades.
2. Remove hex bolt, lock washer and flat
washer securing blade.
3. Install new or rasharpened blade with
trailingedge up towards deck as
IMPORTANT: To ensure proper assembly,
center hole in blade must align with star
on mandrel assembly.
4. Reassemble hex bolt, lock washer
and flat washer in exact order as
shown.
5. Tighten bolt securely (45-55 Ft. Lbs.
torque).
TrailingEdgeUp _:_ _ Mandrel
St_ '_ssembly
FlatWasher_--_,=._:_ Center
Lock "__Hols
Wash_ _"_-_"_1""_ Blade
(Grade8)
*AGrade 8 heat treatedboltcanbe
identifiedby sixlinesonthebolthead.
IMPORTANT: Blade bolt isgrade 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 excessive vibration and eventual
damage to mower and engine.
The blade can be sharpened with a file
or on a grindingwheel. Do notattempt
to sharpen while on the mower.
To check blade balance, you will need
a 5/8" diameter steel bolt, pin, or a cone
balancer. (When using a cone bal-
ancer, follow the instructionssupplied
with belancar.)
NOTE: Do not use a nail for balancing
blade. The lobes of the center hole may
appear to be centered, but are not.
Slide blade on to an unthreaded
portionof the steel boltor pin and hold
the bolt or pin parallet with the ground.
If blade is balanced, it should remain in
a horizontal position. If either end of
the blade moves downward, sharpen
the heavy end untilthe blade is
balanced.
Center Hole /
5/8"B_t
or Pin
BA'n'ERY
Yourtractor has a battery chargingsystem
which issufficientfor normal use. How-
ever, periodic charging of the battery with
shown.
19 an automotive charger will extend its life.
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