Brake Operation/Tires; Operator Presence System; Blade Care/Removal/Sharpening; Battery - Craftsman EZ 917.270810 Owner's Manual

19.5 hp electric start 42" mower 6 speed transaxle lawn tractor
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TRACTOR
Always observe safety rules when per-
forming
any maintenance.
BRAKE OPERATION
If tractor requires more than six (6) feet
stopping distance at high speed in highest
gear, then brake must be adjusted. (See
"TO ADJUST BRAKE" in the Service and
Adjustments section of this manual).
TIRES
• Maintain proper air pressure in all tires
(See =PRODUCT
SPECIFICATIONS"
on page 3 of this manual).
• Keep tiros free of gasoline, oil, or insect
control chemicals which can harm rub-
ber.
• 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 purchased from your local parts
dealer. Tire sealant also prevents tire dry
rot and corrosion.
OPERATOR
PRESENCE
SYSTEM
Be sure that operator presence and inter-
lock systems are working properly. If your
tractor does not function as described
below, repair the problem immediately.
• The engine should not start unless the
clutch/brake pedal is fully depressed
and attachment clutch control is in the
disengaged
position.
• When the engine is running,
any
attempt by the operator to 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
• Raise mower to highest position to allow
access to blades.
• Remove hex bolt, lock washer and flat
washer securing blade.
• InstaJbnew or resharpened
blade with
trailing edge up towards deck as shown.
IMPORTANT:
To ensure proper assembly,
center hole isn blade must align with
star on mandrel assembly.
• Reassemble
hex bolt, lock washer and
flat washer in exact order as shown.
• Tighten bolt securely (27-35 Ft. Lbs.
torque).
Up
MandrelAssembly
Blade Center
Hole
/
_----Hex Bolt(Grade 8)"
*A Grade 8 heat treated bolt can be identifiedby six
lineson the bolt head.
IMPORTANT:
Blade bolt is Grade 8 heat
treated.
TO SHARPEN
BLADE
NOTE: We do not recommend
sharpening
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 grinding
wheel. Do not attempt
to sharpen
while it is 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 balancer,
follow the instructions supplied
with bat-
ancer).
• Slide blade onto an unthreaded portion
of the steel bolt or pin and hold the bolt
or pin parallel with the ground. If blade
is balanced,
it should remain in a hori-
zontal position. If either end of the blade
moves downward, sharpen the heavy
end until the blade is balanced.
NOTE: Do not use a nail for balancing
blade. The lobes of the center hole may
appear to be centered, but are not.
Center Hole
/
/
J,
BATTERY
Your tractor has a battery charging system
which is sufficient for normal use.
However, periodic charging of the battery
with an automotive charger will extend its
life.
19

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