Craftsman 28924 Operation Manual - Page 17

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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. 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. CHECK OPERATOR SYSTEM PRESENCE • 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. CHECK REVERSE SYSTEM OPERATION (ROS) • When the engine 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. • 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 counterclockwise. 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: treated. Special blade bolt is heat Center Hole Star \ Blade Bolt (Special) "----._ _ Blade Mandrel Assembly ROS "ON" Position Engine "ON" Position (Normal Operating) 17

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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.
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.
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
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.
•
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.
Lbs.
torque).
iMPORTANT:
Special
blade
bolt
is
heat
treated.
Star
Center
Hole
\
Blade Bolt
Mandrel
(Special)
"----._
_
Assembly
Blade
ROS "ON" Position
Engine "ON" Position
(Normal
Operating)
17