This product may be covered by one or more of the following patents:
D409,208; 5,946,894; 6,070,690; 6,662,538 Pending
2
FORWARD
The Z-Wing 48 Hydrostatic Zero-Turn Commercial Riding Mower provides superb maneuverability, mid-mount cutting capability for professional landscapers, commercial lawn service
companies, professional turf managers and golf course superintendents. The machine incorporates many safety features that should be studied by all operators and maintenance personnel before use. The list of safety precautions should receive particular attention.
This manual presents all of the operating and maintenance instructions necessary to keep
your mower at peak efficiency. If operated and maintained properly, your mower will give
dependable service.
CAUTION:
Only thoroughly trained persons should operate and maintain this
mower. This machine can cause serious injury to anyone who misuses it and does not understand its operation. For their personal
safety, all operators and maintenance personnel are required to
read this entire manual before operating the mower.
Hazard control and accident prevention are partially dependent
upon the design and configuration of the equipment. Notwithstanding, these factors are also dependent upon the awareness, concern,
prudence and proper training of the personnel involved in the operation, transport, maintenance and storage of the equipment.
WARNING
•The engine exhaust, some of its constituents, and certain vehicle components contain or emit chemicals
known to the State of California to cause cancer, birth defects or other reproductive harm.
•This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-covered, or grass-covered land unless the engine’s exhaust system is
equipped with a spark arrester meeting applicable local or state laws (if any). If a spark arrester is used, it
should be maintained in effective working order by the operator.
•In the State of California, the above is required by law (Section 4442 of the California Public Resources
Code). Other States may have similar laws. Federal laws apply to federal lands. A spark arrester muffler
may be available.
NOTE:
The engine manufacturer is responsible for all engine-related issues with
regards to performance, power-rating, specifications, warranty and service.
Please refer to the engine manufacturer’s owner’s/operator’s manual,
packed seperately with your unit, for more information.
MODEL LISTED IN THIS MANUAL
23HP Z-Wing 48,
53AI5BBY750
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GENERAL SAFETY
OPERATIONS
A. DANGER
1.Do not operate machine in confined areas
where exhaust gases can accumulate.
2.Do not operate machine without mower chute
deflector in place and operational.
3.Do not carry passengers.
4.This is a narrow track Zero-Turn mower, and it
should not be operated on steep slopes.
Refer to slope gauge on page 28.
B. WARNING
1. Do not operate machines under the influence
of alcohol or drugs.
2. Do not operate machines without all guards
and safety devices in place and functional.
3. Do not start machines if there are fuel or oil
leaks or spillage — clean it up.
4. Do not operate machines near spilled or leaking fuels.
5. Do not stop or park machine over dry leaves,
grass, debris, etc. that could be combustible.
6. Use extreme care when backing up.
7. Do not operate machine on slopes greater
than 15 degrees (27%).
8. Do not operate machines on slopes when
traction is reduced (wet grass, ice, soft
ground, loose ground, leaves, pine needles,
debris, etc.).
9. Avoid turning downhill if possible, go slowly
and use extra care when turning downhill.
10. Do not operate machines during reduce visibility (low light, fog, rain, etc.).
11. Do not operate machines with non-approved
attachments.
12. Do not operate machines that are dam-
aged.....have machine repaired.
13. Do not operate machines that have not been
properly maintained.
14. Use only replacement parts that are the same
or equivalent to the original equipment.
15. Do not modify machines or any of their components, especially the engine governor!
16. Do not operate machine for more than 2 hours
without hearing protection.
C. CAUTION
1. Use proper protective equipment when operating machine (gloves, boots, and hearing
protection are recommended).
2. Read entire machine Operator’s Manual.
3. Make sure operators are fully trained in the
safe use of the machine.
4. Follow all safety instructions when using the
machine.
5. Keep all safety signs legible and properly
installed.
6. Do not check for hydraulic leaks with any part
of the body.
7. Do not add fuel to a machine when the engine
is running and/or the exhaust system is hot.
8. Keep machine clean and free of debris, grass,
leaves, oil, grease, etc.
9. Place lap bars in neutral/start position, set
park brake, disengage P.T.O., turn engine off,
and remove ignition key before you dismount
from machine.
10. Use machines laterally or diagonally across
slopes, avoid going downhill when possible.
11. Go slowly and use extra care when descending slopes.
12. Disengage P.T.O. when crossing surfaces
such as asphalt, concrete, loose ground,
sand, gravel, etc.
13. Use extra care when loading and unloading
machines from trucks or trailers.
SAFETY PRECAUTIONS
A. General
1.Read this Operator’s Manual before starting
the mower. Study the controls and learn the
proper sequence of operation.
2.Do not allow anyone to operate or maintain
this machine who has not read this manual.
Never permit children to operate this machine.
3.Never carry passengers.
4.Do not remove any shields, guards or safety
devices. If a shield, guard or safety device is
damaged or does not function, repair or
replace it before operating the mower.
5.Always wear safety glasses and safety shoes
when operating or maintaining this mower. Do
not wear loose-fitting clothing.
6.Disconnect the spark plug wires and remove
the key from the ignition to prevent the engine
from accidentally starting before performing
any maintenance on this mower.
7.Never run the engine indoors without adequate ventilation. Exhaust fumes are deadly.
8.To avoid serious burns, do not touch the
engine, exhaust pipe or muffler while the
engine is running or until it has cooled after it
has been shut off.
9.The liquid in the battery is dilute sulfuric acid.
Always wear safety glasses and rubber gloves
when working on the battery. Do not overfill
the battery.
4
10. Lead-acid batteries generate hydrogen and
oxygen gases which form an explosive mixture. Keep sparks and flames away at all
times.
11. When looking for oil leaks, never run your
hand over hydraulic hoses, lines or fittings.
Never tighten or adjust hydraulic hoses, lines
or fittings while the system is under pressure.
If high-pressure oil penetrates the skin, the oil
must be removed within a few hours by a doctor familiar with this form of injury or serious
complications may result.
B. Related to Fuel
1. Fuel is highly flammable and its vapors can
explode if ignited. Please respect it.
2. Do not smoke or permit others to smoke
while handling fuel.
3. Always use approved containers for fuel and
fill slowly to decrease the chance of static
electricity buildup and spillage.
4. Store fuel in well ventilated and unoccupied
buildings away from sparks and flames.
5. When dispensing gasoline into approved containers, place the container on the ground
when refueling to avoid a possible static electricity ignition of fuel vapors.
6. Do not fill containers while it is inside a vehicle, trunk, the bed of a pickup or floor of a
trailer.
7. Always shut off the engine and permit it to
cool before removing the fuel tank cap.
8. Always fill the fuel tank outdoors.
9. If the fuel container spout will not fit inside the
fuel tank opening, use a funnel.
10. When filling the fuel tank, stop when the fuel
reaches one inch from the top. This space is
necessary for tank expansion. Do not overfill.
11. Wipe up any spilled fuel.
C. When Mowing
1. Keep adults, children and pets away from the
area to be mowed.
2. When operating this mower in the forward
direction, DO NOT allow the steering levers to
return to the neutral position on their own.
Always maintain a firm grip on the levers,
operate them smoothly and avoid any sudden
movements of the levers when starting or
stopping.
3.If the mower is equipped for side discharge,
never use the mower without the discharge
chute installed and placed in the down position.
4. Always remove debris and other objects from
the area to be mowed.(Note: debris and loose
grass will reduce traction.)
5. Mow only in daylight.
6. Watch for holes, sprinkler heads and other
hidden hazards.
7. Avoid driving too close to trees, creeks,
ditches, sand traps and other obstacles.
8. Before backing up, check behind you and
watch where you’re going.
9. Always reduce speed when making a turn,
and when grass is wet.
10. Always mow across slopes, never up and
down the slope. Do not operate on steep
slopes and slow down before turning.
11. Be careful when crossing gravel paths or
roadways. Always turn off the blade clutch
switch and wait until the blades stop rotating
and raise the cutting deck to the transport
position. Always allow other vehicles to have
the right-of-way.
12. If you hit a solid object while mowing, turn off
the blade clutch switch, place the left and right
steering levers in the neutral, opened-out
position, move the throttle to slow, set the
parking brake, shut off the engine and take
the key from the ignition switch. Inspect for
damage. Repair any damage. Make sure the
blades are in good condition and that the
blade bolts are tight before restarting the
engine.
13. Never leave the mower unattended without:
turning off the blade clutch switch; placing the
left and right steering levers in the neutral
opened-out position; moving the throttle to
slow; setting the parking brake; shutting off
the engine and taking the key from the ignition
switch.
14. Never walk or stand on the discharge side of a
mower with the engine running. Turn off the
blade clutch switch if another person
approaches while you are operating the
mower.
15. Never attempt to operate the traction unit
without the mowing deck attached.
16. Keep the mower and especially the engine
and hydraulic components clean and free of
grease, grass and leaves to reduce the
chance of fire and to permit proper cooling.
5
SAFETY DECALS AND LABELS
KEEP HANDS AND FEET AWAY.
DO NOT OPERATE MOWER
UNLESS CHUTE DEFLECTOR
OR ENTIRE GRASS CATCHER IS
IN ITS PROPER PLACE.
ASSEMBLE CHUTE DEFLECTOR TO THIS UNIT BEFORE OPERATING.
Part Number: 777S30503
DANGER
S30503
WARNING
SHIELD MISSING
DO NOT OPERATE
TO REDUCE THE RISK OF INJURY,
DO NOT OPERATE MOWER UNLES S
DISCHARGE CHUTE COVER OR GRASS
CATCHER IS IN ITS PROPER PLACE.
DANGER
KEEP HANDS and FEET AWAY
Part Number: 01002166
Part Number: 00030635
Part Number: 77 7I22490
Part Number: 777I22491
Part Number: 777S30015
Part Number: 777S32530
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SPECIFICATIONS
Engine: 23HP Kohler
Type:Vertical air cooled V-Twin
Air Cleaner:Paper Element
Lube System:Pressurized with oil filter
Starter:12-volt electric
Traction Drive:Variable-speed hydraulic pumps with wheel motors on each drive
wheel
Hydraulic Tank:2 quart capacity, One pint filter, 5W40 full synthetic oil
Cutter Deck;Drive:48" Belt Driven, folding-fabricated-floating
Clutch:Electric BBC
Deck Lift:Hand lever w/pin lock for height adjustment
Cutting Height:1-1/2" to 4"
No. of Blades3, belt-driven, power take-off from engine
Controls:Engine ignition and start switch; throttle; choke; left and right
steering levers; electric blade clutch switch; parking brake; mower
deck lift, mower power folding
Parking Brake:Mechanical linkage attached to the brake handle
Front Caster Wheels:13 x 5.00 - 6
Tire Pressure:10-12 psi Rear, 20-25 psi front caster
Drive Wheels:21 x 7.00 - 10
Frame:1” x 2" Steel square tube and plate, all welded construction
Seat:Adjustable seat. 4" Adjustment
Fuel Tank:Two 5.0 gallon w/individual shutoff valves
Ground Speed:0-8 MPH forward. 0-4 MPH reverse
InstrumentationHour meter, Tachometer, Maintenance-minder
Net Weight:778 lbs w/48" deck
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OPERATING INSTRUCTIONS
Figure. 1Figure. 2
Electric Blade
Clutch Switch
Ignition Switch
Tach and
Hour Meter
A.General
1. When Mowing:
a. Keep adults, children, and pets away from
the area to be mowed.
b. When operating this mower, in the forward
direction, do not allow the steering levers
to return to Neutral on their own. Always
maintain a firm grip on the levers, operate
them smoothly and avoid any sudden
movements of the levers when starting and
stopping.
c. If the mower is equipped for side dis-
charge, never use the mower without the
discharge chute installed and placed in the
down position.
d. Always remove debris and other objects
from the area to be mowed (Note: debris
and loose grass will reduce traction).
e. Mow only in daylight.
f.Watch for holes, sprinkler heads, and other
hidden hazards.
g. Avoid driving too close to trees, creeks,
ditches, sand traps, and other obstacles.
h. Before backing up, check behind and
watch where you are going.
i.Always reduce speed when making a turn,
and when grass is wet.
j.Always mow across slopes, never up and
down the slope. Do not operate on steep
slopes and slow down before turning.
Avoid turning downhill if possible, start at
the bottom and work up to the top. Use
extra care and go slowly when turning
downhill. Control the speed and direction
of the zero turn machine “primarily” with
the speed/directional control (lap bar) of
the downhill side of the machine...I.E.,
Engine throttle
Choke Lever
maintain the uphill side lap bar “essentially” in a fixed position.
k. Be careful when crossing gravel paths or
roadways. Always turn off the blade clutch
switch and wait until the blades stop rotating and raise the cutting deck to the transport position. Always allow other vehicles
to have the right of way.
l.If you hit a solid object while mowing, turn
off the blade clutch switch, place the steering levers in the neutral, opened-out position, move the throttle to slow, set the
parking brake, shut off the engine, and
take the key from the ignition switch.
Inspect for damage. Repair the damage.
Make sure the blades are in good condition
and that the blade bolts are tight before
restarting the engine.
m. Never leave the mower unattended without
observing the following: turn off the blade
clutch switch, placing the steering levers in
the neutral open-out position, moving the
throttle to slow, setting the parking brake,
shutting off the engine and taking the key
from the ignition switch.
n. Never walk or stand on the discharge side
of the mower when the engine is running.
Turn off the blade clutch switch if another
person approaches while you are operating the mower.
o. Never attempt to operate the traction unit
without having the mowing deck attached.
p. Keep the mower and especially the engine
and hydraulic components clean and free
of grease, grass, and leaves to reduce the
chance of fire and permit proper cooling.
2.Safety Awareness when Mowing
a. Do not operate on steep slopes, those
above 15 degrees (27% slope).
8
b. Avoid turning downhill if possible, if not use
extra care and go slowly.
c. Avoid turning when going downhill, traction
is at a minimum going downhill.
d. Do not operate with discharge side of the
mower toward streets, buildings, play-
grounds, parking lots, other machines, ani-
mals, and other people.
e. Avoid operation or use extreme care if the
traction surface is wet, unstable, or slip-
pery.
f.Use extra care when grass clippings,
leaves, pine needles, or debris are present
as traction can be reduced.
g. Slow-down before turning and come to a
complete stop before any zero turn maneu-
ver.
h. Do not stop machine or park machine over
combustible materials such as dry grass,
leaves, debris, etc.
3. To Mow Grass and Produce a Striped Pattern
a. Pick a point on the opposite side of the
area to be mowed (post, tree, shrub, etc.).
b. If on an hillside, start at the bottom so that
the turns are uphill rather than downhill.
c. Align the mower so as to head directly
toward the object on the far side.
d. Slowly increase the speed of the machine
to match cutting conditions, terrain, and
operator familiarity with the controls and
keep the machine headed directly toward
the alignment object. Do not go fast as to
reduce cut quality or to be uncomfortable
in controlling the speed and direction of the
machine.
e. When approaching the other end of a strip,
slow down or stop before turning. A U-turn
is recommended unless a zero turn is
required. The speed of a U-turn that will
allow for machine controllability and minimal turf defacement will be dependent on
several factors including: the speed of the
turn, the radius of the turn, the tire tread
pattern, the traction coefficient of the tire to
the traction surface, the slope of the traction surface.
f.Remember, a zero turn requires that the
forward or reverse travel of the machine be
stopped prior to the initiation of the turn or
severe turf defacement can occur.
g. To prevent rutting or grooving of the turf,
change the direction that the strips are
mowed by approximately 45 degrees the
next and each subsequent time that the
area is mowed.
B.Controls
1. Engine Ignition and Start Switch: (See Figure 1.) Located on the instrument housing of
the seat in the center support. When the key
is inserted and turned clockwise, 45 degrees,
the ignition circuit is closed. Turning the switch
further against spring pressure starts the
engine. The engine will only start if the blade
clutch switch is in the “off” position, the parking brake is engaged and the left and right
steering levers are in the neutral. The key
should always be removed from the switch if
the operator leaves the mower’s seat.
2. Engine Throttle Control: (See Figure 2.)
Located on the left side of the seat support.
Moving the throttle control from the rear to the
front will increase the engine speed from slow
to fast.
3. Left and Right Steering Levers: (See Figure
3.) These levers control all of the movements
of the mower. Pushing both levers forward
causes the mower to move forward. Pulling
both levers back causes the mower to move
backward. Pushing one lever ahead of the
other lever causes the traction wheel on the
side where the lever is ahead to rotate faster
than the other traction wheel, making the
mower turn toward the side where the lever is
behind. When one lever is pushed forward
and the other lever pulled back the same
amount, one traction wheel will turn in reverse
and the mower will turn within its own length.
In order to start the engine, both steering
levers must be in the neutral position; the
parking brake must be engaged; and the
blade clutch switch must be “off”. However,
once the engine starts, the parking brake
must be released before the operator moves
the steering levers out of neutral position or
the engine will automatically shut off.
Note:
neutral when released, but they should be
placed in neutral by the driver. If the Drive
Handles are not placed in neutral, the tractor
may creep.
The Steering Lever will return toward
9
Deck Lift Handle
Steering Levers
Brake
Figure. 3
4. Electric Blade Clutch Switch: (See Figure
1.) Located on the seat support beside the
ignition switch. This is an “on/off” push pull
switch that controls the electric blade clutch
which supplies power to the cutting blades
through the PTO. The switch must be turned
off to start the engine and should be turned
off for safety any time another person
approaches the mower or the mowing deck is
raised to the transport position. Power to the
electric clutch will also be cut off if the operator leaves the operator’s seat.
5. Parking Brake: (See Figure 3.) Located on
the left side of the traction unit. The handle is
an overcenter lever which applies the drumtype brake on each drive wheel when the handle is pulled to the rear. The brake must be
engaged in order to start the engine.
6. Deck Lift Handle: (See Figure 3.) Located on
the right front corner of the mowing deck.
Raise the mowing deck to the transport position, by pulling the lever to the rear and moving it inward into the stop for transport. To
lower the mowing deck, pull the deck lift handle and move it outward. This lower’s the deck
to the cutting position.
7. Fuel Shutoff Valve: (See Figure 4.) Located
on top of the fuel tank(s). When turned in a
clockwise direction until it stops, it will shut off
the flow of fuel to the engine. When turned in
a counterclockwise direction it will open and
allow fuel to flow to the engine. Close this
valve if you are not going to run the mower for
a period of 30 minutes or more to prevent
flooding the engine.
8. Seat Adjustment Lever: The Seat Adjustment Lever is located beneath the seat. The
Seat Adjustment Lever is used to move the
seat forward and backward. To place the seat
in the desired position pull the seat adjustment lever to the left then push the seat forward or back to the desired position. Release
the lever so the seat will lock in place.
Figure. 4
Fuel Shutoff Valve
9. Digital Tachometer and Hour Meter: (See
Figure 1) Located on the seat support above
the ignition switch. When the machine is running the tachometer displays engine rpm.
When the machine is off the tachometer displays running time.
Note:
each recommended lubrication interval. There
is a flashing “OIL” at each recommended
engine oil and filter change.
There will be a flashing “LUBE” for
10. Choke Lever: (See Figure 2) The Choke
Lever is located on the left side of the seat
support. The Choke Lever is operated manually. Having the Choke Lever in the ON position helps the engine to start during initial
start-up. During normal operation the Choke
Lever should be in the OFF position.
11. Folding Deck Control: The switch for the
electrically powered deck folding mechanism
is located on the seat support. Pull upward on
the switch to fold up, and push downward to
fold down.
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