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Craftsman 917.28626 Operator's Manual page 17

24.0 hr* 42" mower electric start automatic transmission
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TRACTOR
Always observe safety rules when 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 the sides of tires for proper PSI).
• 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,
tf
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 disem
gaged position.
CHECK
OPERATOR
PRESENCE
SYSTEM
° 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
° When the engine is running withthe 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.
° When the engine 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
NOT shut off the engine,
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_
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. Lbso torque).
IMPORTANT:
Special
blade
bolt
is heat
treated.
Mandrel
Assembly
ROS "ON" Position
Engine "ON" Position
(Normal Operating)
17

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