Operation - Craftsman 917.28833 Operator's Manual

20.0 hp electric start 42" mower 6 speed transaxle lawn tractor
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TRACTOR
Alwaysobservesafetyruleswhen performing
any maintenance.
BRAKE
OPERATION
If tractor
requires
more than five (5) feet to
stop at highest
speed
in highest
gear on a
level,
dry concrete
or paved
surface,
then
brake
must
be serviced.
(See "TO CHECK
BRAKE"
in the
Service
and
Adjustments
section
of this manual).
TIRES
• Maintain
proper
air pressure
in all tires
(See PSI on 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.
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
AND
REVERSE
OPERATION
SYSTEM
(ROS)
Be
sure
operator
presence
and
reverse
operation
systems
are working
properly.
If
your tractor
does
not function
as described,
repair the problem
immediately.
• The
engine
should
not start
unless
the
brake
pedal
is fully
depressed,
and the
attachment
clutch
control
is in the disen-
gaged
position.
BLADE
CARE
For best results mower blades must be sharp.
Replace worn, bent or damaged blades.
CAUTION:
Use only a replacement
blade approved by the manufacturer
of your
tractor. Using a blade not approved
by the
manufacturer
of your tractor is hazardous,
could damage
your tractor and void your
warranty.
ROS "ON" Position
Engine "ON' Position
(Normal Operating)
BLADE
REMOVAL
1.
Raise mower to highest
position
to allow
access
to blades.
NOTE:
Protect your hands with gloves and/or
wrap
blade with heavy
cloth.
2.
Remove
blade
bolt by turning
counter-
clockwise.
3.
Install
new blade with stamped
"GRASS
SIDE"
facing
the ground.
IMPORTANT:
To ensure
proper
assembly,
center
hole in blade
must align with star on
mandrel
assembly.
4.
Install
and
tighten
blade
bolt
securely
(45-55
Ft. Lbs. torque).
IMPORTANT:
Special
blade
bolt
is heat
treated.
Blade
CHECK
OPERATOR
PRESENCE
SYSTEM
Star
• 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 at-
tachment
clutch
is engaged,
any attempt
by the operator
to leave
the seat should
shut off the engine.
• The attachment
clutch should
never oper-
ate unless
the operator
is in the seat.
CHECK
REVERSE
OPERATION
(ROS)
SYSTEM
• Whentheengine
is running with the ignition
switch
in the engine
"ON" position
and the
attachment
clutch
engaged,
any attempt
by the operator
to drive in reverse
should
shut off the engine.
• Whentheengine
is running
with the ignition
switch
in the ROS "ON" position
and the
attachment
clutch
engaged,
any attempt
by the operator
to drive in reverse
should
Blade Bolt
(Special)
Center
Mandrel
Assembly
BATTERY
Your tractor
has a battery
charging
system
which is sufficient
for normal
use.
However,
periodic
charging
of the battery
with an au-
tomotive
charger
will extend
its life.
Keep battery
and terminals
clean.
Keep battery
bolts tight.
Keep small vent holes
open.
Recharge
at 6-10 amperes
for 1 hour.
NOTE:
The
original
equipment
battery
on
your
tractor
is maintenance
free.
Do not
attempt
to open or remove
caps or covers.
Adding
or checking
level
of electrolyte
is
not necessary.
NOT shut off the engine.
16

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