SNAPPER ZU Rider riding mower Operator's manual

SNAPPER ZU Rider riding mower Operator's manual

Below you will find brief information for riding mower ZU Rider. The Snapper ZU Rider is a fast, efficient, quality mower, and fun to drive. It has a hydrostatic transmission (Unistat). It is a commercial grade riding mower and is designed for long and satisfactory service.

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Snapper ZU Rider Operator's Manual | Manualzz
 Safety Instructions & Operator's Manual for
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PRER
ZU RIDING MOWER
Thank you for buying a SNAPPER product! Your SNAPPER Zero Turning Radius Riding Mower was
designed and built to provide long and satisfactory service. Keep in mind that it, like any other
mechanical device, can be potentially dangerous if used improperly and that no accident prevent-
ion program can be successful without the wholehearted co-operation of the person responsible
for the operation of the equipment. Study this manual and pay particular attention to the impor-
tant Safety Precautions on pages 1-4. Following these instructions will help you continue to en-
joy the trouble-free performance expected of a SNAPPER product.
SNAPPER POWER EQUIPMENT ;
E/X FUGA
McDonough.GA * 30253 a
P-10653
SNAPPER ZU RIDER
WITH UNISTAT TRANSMISSION
ZERO TURNING RADIUS COMMERCIAL RIDING MOWER
CONGRATULATIONS upon acquiring your new Snapper ZU Rider
Mower. We feel that you've made the right choice, and we at
Snapper thank you for your patronage. The Snapper ZU Rider 1is
probably different than other lawn mowers you've had. It is a
fast, efficient, quality mower, and fun to drive. However, like
all power machinery, the Snapper ZU Rider can become a dangerous
piece of equipment if handled incorrectly. Read this entire Owner's
Manual. It has important safety and maintenance information that
is essential for you to know.
Each Snapper ZU Rider has been inspected by our
quality assurance team and passed rigid testing procedures.
Be sure to read your Snapper ZU Rider warranty.
IABLE OF CONTENTS |
I. SAFETY
Accident Patterns --------------— aaa Ce 1
Safety Instructions and Recommendations --------—-- 2
Safety Interlock System nn 4
II. START-UP AND OPERATION
Checklist Before Operation mt cesse ———————— 5
Control Locations -------------=-==- a ——— 6
Operation ----------=--====== dde e ces c eme 6
:Mowing Recommendations aa 9
ITI. SPECIFICATIONS =========m =m mmm mmm mo mm 10
IV. MAINTENANCE
Maintenance Schedule -------—-—=====-==-- ae 11
Maintenance Instructions ====еенеенненненненнннн-. 12
‘Trouble-shooting Checklist nn 18
Wiring Schematic --------=-----= a ——_——]——] 21
Vv. WARRANTY == == mm mm mmm mm mm mom eo 22
VI. SERIAL NUMBERS AND RECORD -------=-=-=-==-=---==-=—=—=———— 23
ii
II.
III.
IV.
SAFETY
CONTACT WITH THE ROTATING BLADE--This accident usually
happens when the operator is clearing the discharge chute
of grass, (especially when the grass is wet), or when the
operator adjusts the machine without turning it off and
waiting for the blades to completely stop.
PROPELLED OBJECTS-~Sticks, rocks, wires and other objects
can be propelled out through the discharge chute or from
under the mower housing. Bystanders are particularly
vulnerable.
GRASS CATCHER OR GUARD--The mower shall not be operated
without either the entire grass catcher or the guard in
place. | | |
OVERTURNING--This happens when riding mowers are used on
steep slopes, embankments or hills. The operator in these
cases can come in contact with the blades or sustain
injuries during a fall.
MOWER RUNNING OVER THE VICTIM--This usually happens when
a riding mower is driven in reverse. The accident
victims are most often young children whom, unseen by the
operator of the mower, were in the area being mowed.
AT SNAPPER, WE SHARE YOUR DESIRE TO PROTECT YOURSELF,
YOUR FAMILY, YOUR FRIENDS AND YOUR NEIGHBORS FROM ACCIDENTAL
INJURY. OBSERVING AND ENFORCING THE FOLLOWING GUIDELINES WILL
HELP TO INSURE THE SAFETY OF EVERYONE.
PLEASE BE CAREFUL!
10.
PEOPLE WHO OPERATE, SERVICE, OR ARE OTHERWISE ASSOCIATED with )
the Snapper ZU Rider should be trained in its proper use and
warned of its dangers. Before operating, adjusting, or
servicing the Snapper Unistat Mower they should read and
understand this entire manual and the owner's engine manual.
AVOID CONTACT WITH MOVING PARTS. Keep hands and feet from
under mowing deck and away from blades at all times. Turn
engine (motor) off if you must unclog the chute.
KEEP YOURSELF AND ALL OTHERS AWAY FROM THE DISCHARGE CHUTE at
all times. Never direct the discharge of material toward
bystanders. Never allow anyone near the machine while in
operation.
AVOID HILLS AND SLOPES. Use extreme caution when mowing up or
down slopes. NEVER mow across the face of a slope. If a slope
must be ascended, back up the slope; drive forward when
descending. Reduce speed and use caution to start, stop and
maneuver. To prevent loss of control on a slope avoid sharp
turns, sudden changes in direction, and sudden stops and
starts.
DISENGAGE POWER TO MOWER BEFORE BACKING UP. Do not mow in
reverse unless ABSOLUTELY necessary and then only after turning
around and observing the entire area behind the mower. Go o
slowly. Most "running over a victim" accidents occur in
reverse.
BEGINNING OPERATORS SHOULD LEARN HOW TO STEER the Snapper ZU
Rider before attempting to mow. Start with slow engine speed
and drive without the blades engaged in open area until
comfortable with the machine.
KNOW HOW TO STOP QUICKLY. Know the location and operation of
every control, especially how to brake and how to disengage the
mower blades.
DO NOT MOVE THE STEERING LEVERS from forward position to
reverse position rapidly. The speed and/or direction of travel
is affected instantly by the movement of the steering levers.
DO NOT ALLOW CHILDREN TO OPERATE MOWER. Do not allow others
who have not had instruction to operate mower.
ALWAYS TURN ENGINE OFF AND REMOVE THE KEY before leaving the
mower to prevent children and inexperienced operators from
starting the engine. Never leave the mower unattended with
engine running. Always wait for all moving parts and all
sounds to stop before leaving the operator's seat. Always set
the parking brake on an unattended mower. O
|
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
WEAR STURDY, ROUGH-SOLED WORK SHOES AND CLOSE-FITTING SLACKS
and shirts. Never operate the mower in bare feet, sandals or
sneakers. |
NEVER CARRY PASSENGERS.
KNOW THE AREA YOU ARE TO MOW. Watch for hidden dangers such as
rocks, roots, sticks, holes, bumps and drop-offs, etc. Before
mowing, pick up all debris in area to be mowed. Sharp and hard
objects can be propelled at a high speed and can act like
schrapnel. Walk through tall grass BEFORE MOWING to make sure
there are no hidden dangers. Mow higher than desired in tall
grass to expose any hidden objects and/or obstacles, clean the
area, and then mow to the desired height.
NEVER REFUEL A MOWER INDOORS. Allow the engine time to cool
before refueling. Unseen vapors may be ignited by a spark.
Always clean up spilled gasoline. Never run the engine indoors
in a garage or any other closed building. Allow engine to cool
before storing in any enclosure. The engine exhaust and the
gasoline fumes are dangerous.
NEVER REMOVE THE FUEL CAP or add gasoline to a running or hot
engine or an engine that has not been allowed to cool for
several minutes after running. Always make sure the gas cap is
in place. |
DON'T SMOKE AROUND THE MOWER or the gasoline storage
container. Gasoline fumes can easily ignite.
KEEP GASOLINE IN A WELL-VENTILATED AREA away from your living
quarters and in tightly-capped safety cans. Never store mower
with gasoline in the tank inside a building where fumes may
reach an open flame or spark.
DISENGAGE BLADE, STOP ENGINE AND REMOVE IGNITION KEY before any
servicing. Be sure all moving parts and all sounds have
stopped. Let engine cool and disconnect the spark plugs so the
engine cannot start by accident. A SLIGHT ROTATION OF THE BLADE
COULD START THE ENGINE. |
КЕЕР ALL NUTS, BOLTS, AND SCREWS TIGHT to be sure equipment is
in safe working condition, especially blade mounting bolts.
VEHICLE SHOULD BE STOPPED AND INSPECTED FOR DAMAGE after
striking a foreign object and the damage should be repaired
before restarting and operating the equipment. Stop immediately
and check for damage or loose parts if mower should start
vibrating. |
21 .
22.
23 .
24.
25.
26.
27.
28.
29.
DISENGAGE BLADES BEFORE DRIVING ACROSS WALKS or projecting
objects.
KEEP SAFETY DEVICES AND GUARDS IN PLACE. If any of the safety
switches become inoperable, have them repaired immediately.
DON'T STEP OR STAND ON THE MOWER HOUSING; step or stand only on
the foot deck.
WATCH OUT FOR TRAFFIC near roadways and when crossing roads.
THIS MACHINE IS NOT MEANT FOR HIGHWAY or street use. It is not
a recreational vehicle and it should not be operated as such.
DO NOT USE MOWER WHEN GRASS IS WET OR SLIPPERY.
KEEP MACHINE AND ENGINE CLEAN -- free of grease, dirt, grass,
leaves and other foreign build-up to reduce overheating and a
possible fire hazard. |
MOW ONLY DURING DAYLIGHT.
ALWAYS DISENGAGE THE MOWER BLADE CLUTCH when transporting.
SAFETY INTERLOCK SYSTEM
Your Snapper ZU Rider is equipped with four sets of switches
interlocked for your safety.
1.
2.
The mower blades must be disengaged before the engine will
start.
The control levers must be in neutral position and swung
outward before engine will start.
The engine will stop if the mower clutch is engaged when the
operator leaves the driver's seat.
The engine will stop if the parking brake is "on" and the
control levers are put in the drive position.
DO NOT OPERATE MOWER IF THESE
SWITCHES ARE NOT OPERATING PROPERLY
START-UP AND OPERATION
Check |
1. Make sure fuel tank is full. Use regular gasoline.
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A WARNING A
+
+ *
* HANDLE GASOLINE WITH CARE~-IT IS HIGHLY FLAMMABLE. *
* DO NOT SMOKE. ENGINE SHOULD BE OFF AND COOL. USE *
* APPROVED GAS CONTAINER. NEVER FILL TANK INDOORS. *
* *
* *
* *
WIPE UP ANY SPILLS. REPLACE CAP TIGHTLY.
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Make sure dirt and other foreign matter is kept out of gas
tank. Use a clean funnel and gas can.
3. Do not mix oil with the gasoline.
4. Do not use white, high test or premium gasoline. Do not use
de-icers, carburetor cleaners, or other such additives.
- Gasahol is not recommended. Using lead-free gas produces
: fewer combustion deposits, but it could shorten the engine
life if the carburetor adjustment is too lean.
5. Check the crankcase oil level. Make sure the engine is off.
The mower should be parked on a level area. Don't overfill.
(See your engine manual for more detailed instructions.)
6. Check the hydrostatic transmission (Unistat) oil level. (See
maintenance page for detailed instructions.) |
7. Check battery fluid level.
8. Inspect V-belts.
9. Check tire pressure: Front tires = 20 psi
Rear tires =
16. Make sure underside of mower deck is free of grass.
| 11. Make sure mower blades are sharp and secured tightly.
| 12. Clean the air intake screen on the engine if necessary.
13. Perform any other maintenance as it becomes necessary.
(See the "Maintenance" section of this manual.)
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* *
* IMPORTANT: Before cutting grass, clutch must be *
* broken-in as follows: With engine at full RPM *
* engage deck until blades come to full speed and *
* then disengage until blades come to a complete *
* stop. Repeat 10 times to seat clutch properly. *
* *
* *
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5
Control Locations
Ignition Kev - RH panel beside seat
Engine Throttle - RH panel beside seat 0
2 Steering Levers/Speed Control - In front of seat at side.
Blade Clutch Switch - RH panel beside seat.
Parking Brake Lever - RH panel beside seat.
Blade Height Adjustment Lever - RH side of deck on floor.
Choke - LH panel beside seat.
Unistat Unlock Control - On top of the right Unistat
mounting block. On bottom of
the left Unistat mounting block
(See pg. 8)
Manu Park Lock R - At the rear of each
Unistat. (See pg. 8)
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*
*
*
*
*
*
*
*
A WARNING A
*
*
AVOID INHALING EXHAUST FUMES--CARBON MONOXIDE *
GAS IS COLORLESS AND ODORLESS, AND CAN CAUSE *
UNCONSCIOUSNESS, AND IS POTENTIALLY LETHAL. *
DO NOT RUN LAWN MOWER IN GARAGE OR OTHER *
CONFINED AREA. ;
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TO START
MOVE CONTROL LEVERS TO "OUT" position by pushing each one
straight sideways from neutral position.
SET PARKING BRAKE: The parking brake is on the right side
beside the seat. Pull rearward to set.
DISENGAGE MOWER BLADE clutch by moving clutch switch to OFF
(left) position.
SET ENGINE THROTTLE CONTROL to "Start" position (1/4 to 1/2
throttle). SET CHOKE CONTROL as required.
TURN IGNITION KEY to "start" position and release to "run"
as soon as engine starts. NOTE: Prolonged cranking will
damage starter motor and shorten the battery life.
ADJUST ENGINE THROTTLE for desired engine speed. BACK OFF
CHOKE as engine warms.
RELEASE PARKING BRAKE: Push brake lever forward to
release. It is usually necessary to swing control levers
"in" and gently move control levers forward and back to
release parking pawl.
6
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.
“
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* IMPORTANT:If the operator is inexperienced with the Snapper
* ZU Rider type of lever steering and speed control, he/she
* should follow these recommendations: Disengage the mower
* blades. Go very slowly until thoroughly familiar with the
* machine. Keep away from fences, buildings, and other
* obstructions. While becoming familiar with the machine,
* move the levers smoothly and slowly. Practice until
*
*
operation is smooth and efficient.
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8. TO DRIVE move the control levers to the "in" position. Push
both levers forward to move forward. Move levers slowly
forward to increase speed. To reverse direction, pull both
levers slightly back. To turn, move the lever on the side t
which you want to turn slightly rearward of the other lever.
To turn on a zero radius axis, go slowly and pull one lever
back and push the other lever forward, depending on which
direction you wish to turn.
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* MAN caution A *
* FOR SMOOTH, SAFE OPERATION MOVE THE CONTROL LEVERS FORWARD *
* AND REARWARD IN A GENTLE, SLOW MOTION. NEVER PULL OR PUSH +
* THE CONTROL LEVERS RAPIDLY, ESPECIALLY ON GRADES OR SLOPES. *
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9. BRAKING: To brake mower you gently move both levers in the
direction opposite to travel.
10. CUTTING HEIGHT IS ADJUSTED by using the Blade Height
Adjustment Lever on the right side of the deck on the floor.
Adjust HIGHER by moving the lift lever to the right to clear
the peg holes and pulling the release lever rearwards. Set
it in one of the peg holes to secure height. Adjust LOWER b
pushing the released lever forward and setting it.
11. ENGAGE MOWER BLADE CLUTCH by moving the blade clutch switch
to ON. The engine will not start if the blade clutch is
engaged. If the operator is not in the seat, the engine wil
stop if the clutch is engaged.
*
*
*
*
*
*
*
*
*
*
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CAUTION
AVOID HILLS AND SLOPES. USE EXTREME CAUTION WHEN MOWING UP
OR DOWN SLOPES. NEVER MOW ACROSS THE FACE OF A SLOPE. IF
A SLOPE MUST BE ASCENDED, BACK UP THE SLOPE; DRIVE FORWARD
WHEN DESCENDING THE SLOPE.
+ + * * *
+ + + + *
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12. TO STOP:
A. Move the control levers to the neutral position and then
to the "out" position.
B. Set the parking brake.
C. Disengage the mower blade clutch by moving the clutch
switch to the OFF (left) position.
D. Turn the ignition key to the "lock-off" position.
E. Remove the key and wait for all movement and all sound to |
cease before dismounting. | |
|
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* A CAUTION A * |
* WHEN LEAVING THE MOWER UNATTENDED, ALWAYS REMOVE THE KEY * 1
* AND SET THE PARKING BRAKE, EVEN IF JUST FOR A FEW MOMENTS. *
* HELP PROTECT CHILDREN AND OTHER UNAUTHORIZED PERSONS FROM *
*
* *
ACCIDENTS.
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13. TO FREEWHEEL UNIT:
Unlock Unistats to freewheel unit. The Unistat unlock |
control must be turned 99 degrees to the mounting block of
the Unistat, and the manual park lock lever turned parallel
to the ground surface. The Unistat unlock control is on top
of the right Unistat (shown) and the bottom of the left
Unistat.
MANUAL PARK RELEASE LOCK LEVER
(Raise to Release Lock)
UNISTAT UNLOCK CONTROL
La 4 (Turn 90 to Mounting
к Block to unlock)
Underneath on left Unistat
14. BUZZER WARNINGS:
The ZU Rider is equiped with a warning buzzer which is
actuated when the engine oil pressure is too low. The buzzer
will sound when the ignition key is turned "on" and will stop
as soon as the engine starts and the oil pressure is in the
safe operating zone. It may also sound if the oil level is
too low or if the mower is operated for prolong periods on
slopes. To correct check the engine oil level and fill as
required and/or operate mower on less severe slopes.
The warning buzzer will also sound if the temperature of the
| oil in the transmission oil resevoir is too high. To correct
1 make sure there is sufficient 011 in the resevoir and clean
the transmission fan and cooling fins.
MOWING RECOMMENDATIONS
1. Keep mower blades sharp.
2. Make sure deck and discharge chute is clean.
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* *
* CAUTION *
* POWER MUST BE OFF TO CLEAN CHUTE *
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3. When mowing tall grass, make two passes, mowing off 1/2
the grass height the first pass, and then the desired
height the second pass. Check for hidden dangers first.
4. Go slowly for trimming.
i 5. Always cut grass with the engine at full throttle speed.
| This ENGINE speed allows the cutting blades to operate at
optimum cutting speed. Control GROUND speed with the
steering levers.
Length -----—————-——— re re e e e e 73"
Width ---------- AE 48"
with 48" Deck (including Chute) -------- 59"
60" Deck (including Chute) -------- 75"
Height -------————-————]—;————]—]]]—]—;—] 42"
Weight with 48" deck -----———e————- Approx. 95% lbs.
Cutting Width --------—————-—-- 48" Deck ------- 48"
60" Deck ------- 60"
Blades -------------- 48" Deck ---- 3 - 17" Blades
— 69" Deck ---- 3 - 21" Blades
Cutting Height ----------=-=-==-e==—e——- 2" to 4"
Fuel Tank ----------=-=-====-- oo 4 Gallon
Note: 4 gal. tank has approximately 2 gal.
reserve when gauge shows empty.
Hydrostatic Transmission (Unistat) ------ Shivvers
Unistat Oil Filter --------- NAPA 1042, WIX 51042,
FRAM PH-3432 or equiv.
Unistat & Reservoir
oil capacity ----------—--=---—-=-- approx. gts.
Unistat oil type -------- -——- Synthetic Automatic
| Transmission fluid
Engine -----------==---=--=- 20 HP Kohler Magnum Twin
Engine to Unistat Belt ----------=--—=- A-128 Kevlar
Engine to Deck Belt -----——————— 48" Deck -- BP-84
60" Deck -- BP-87
Mower Deck Belt -------------- 48" Deck --- AP-105
60" Deck ---- A-112
Mower Deck ---------------e0seeecene-= 3/16" steel
Blade Spindles ----------------- 25 mm HD bearings
top and bottom
Front Tire === eee 13-5.00 x 6
Drive Tire --------------- 4 ply ----20 x 8.00 - 19
10
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| * *
* CAUTION *
* BEFORE PERFORMING ANY MAINTENANCE, TURN OFF ENGINE, *
| * REMOVE KEY AND DISCONNECT SPARK PLUGS. USE EXTREME *
* CARE WHEN WORKING ON MACHINERY. DO NOT WEAR WATCH *
* OR JEWELRY, DO NOT WEAR LOOSE FITTING CLOTHES, AND *
* OBSERVE ALL COMMON SAFETY PRACTICES WITH TOOLS. *
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; MAINTENANCE SCHEDULE
| Service When
: check crankcase oil level before each use
clean air intake screen after each use
clean grass under deck after each use
check tire pressure every 19 hours
check battery fluid | every 19 hours
sharpen mower blades a every 16 hours
clean air filter element every 10 hours
check hydrostatic transmission fluid every 25 hours
change engine crankcase oil 25hrs. (5 hrs. break-in)
check drive belts (3) every 25 hours
clean debris from fans and hydrostats every 25 hours or more
often under dirty
conditions
replace air filter element | annually
check spark plugs annually
service battery | annually
lubricate deck £ittings-three "shots" only every 100 hrs.
lubricate front wheels annually
replace fuel filter or filters annually
change hydrostatic transmission fluid annually or
and filter on each UNISTAT 500 hours (1090 hrs. break-in)
decals — Replace when illegible
Write factory for
free replacement
11
l.
MAINTE C
ENGINE:
For complete maintenance and operating information for your engine, ©
please refer to your engine operating and maintenance instructions _
furnished by the engine manufacturer and included in your Snapper
ZU Rider information packet.
NOTE: Air intake screen must be kept clean. If plugged, engine
may be seriously damaged by over heating.
2. BATTERY:
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A CAUTION À
* *
* *
* Battery electrolyte is a poisonous and corrosive *
* sulfuric acid solution. Avoid spilling on skin, *
* *
* *
eyes and clothing.
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Keep the electrolyte level above the plates in each cell by
adding distilled water as it becomes necessary. Add water just
before operating the mower to mix the water with the solution. Be
careful not to overfill the battery--the electrolyte solution is
corrosive and can cause damage to surrounding metal parts if it
should spill. Keep your battery at 1.268 specific gravity charge.
When taking the battery out of the mower for servicing, make sure
to connect the cables to the battery exactly as they were prior to
removal.
\
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+
Keep the battery clean. Remove corrosion around the battery
terminals by applying a solution of one part baking soda to four
parts water. Coat all exposed terminal surfaces with a light layer
of grease or petroleum jelly to prevent corrosion.
Krk k
* NOTE: At temperatures below 32 degrees F (0 deg C) *
* the full charge state must be maintained to prevent *
* electrolyte from freezing and causing battery damage. *
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Tires
Correct tire pressure is essential for efficient operation of
the mower. Check tire pressures periodically. Inflate tires to
the pressures listed below:
Front Tires: 20 PSI
Rear Tires: 24 PSI
Lug nuts should be regularly checked for tightness.
12
4. Mower Blades
Check sharpness of
operation.
mower blades after every 10 hours of
To sharpen the blades proceed as follows:
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*
* A CAUTION A *
* STOP ENGINE, REMOVE IGNITION KEY AND *
* REMOVE SPARK PLUGS FOR SAFETY. y
*
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A. Remove bolt, lockwasher, cup washer, and large flat washer
mounting blade on shaft. Remove blade.
B. Sharpen blade with a hand file, electric grinder or an
electric blade sharpener. Wear gloves and eye protection when
sharpening. Grind blade at original bevel.
С. Check balance of blade by positioning the blade on a nail or
blade balance pedestal. Grind the blade on the end that is
heavier, until both sides balance.
D. Install blade, large flat washer, cup washer, lockwasher and
bolt. Make sure to tighten the bolt to 60f£t.-1lbs.
5. V-Belts
There are 3 V-belts on your Snapper ZU Rider. The two deck
belts are equipped with spring-loaded belt tighteners and do not
require tightening adjustments.
Replace any belts found to be in
The main drive belt for the
and requires little maintenance.
the first 25 hours of operation,
Readjust to 1/4"-1/2" deflection
idlers at the rear bumper.
NOTE: After adjustment unit
distribute tension in
recheck the tension.
the
KEVLAR cord main drive belt should
be retensioned after 25 hours of usage,
then every 200 hours of operation.
ADJUSTMENT IDLERS
A
i <
| NN
TENSIONING BOLT
13
They should be checked after every
25 hours of use to make sure they are in good operating condition.
poor condition.
Unistats is a Kevlar cord belt
Tension should be checked after
then every 209 hours thereafter.
by tightening the adjustable
See item #12 on page 16.
should be run for a few minutes to
entire length of belt. Then
LEFT UNISTAT
ENGINE PULLEY
В
5 ==> 7 RIGHT UNISTAT
1/4”-1/2” DEFLECTION
7. Lubrication
A. Engine
Follow engine manufacturer's recommendations.
B. Wheels
с Lubricate front wheel axles after every 100 hours of operation.
Lubricate each spindle with "three shots only" every 100
hours of operation.
D. Hydrostatic Transmission (Unistat): Checking and Replenishing
Oil
i. Check the oil level in the reservoir after every 25
hours of usage.
de 26 e de de de de de de de de de de de de de de de de de de de de e de de de e de de de e de de de de de de de de de de de de de de de de de de de de de * % k k k à x k à % k *
*
IMPORTANT: CLEAN THE DIRT FROM AROUND THE RESERVOIR *
BEFORE REMOVING THE CAP. USE ONLY A SYNTHETIC *
*
*
*
*
*
* LIC TRANSM j ‚ USE OF ANY
*
*
OTHER FLUID WILL VOID THE UNISTAT HYDROSTAT WARRANTY.
Krk KK k
a. Remove oil reservoir cap.
b. Check fluid level when cold. The level should be
above the "ADD" mark when cold. It may be above the
"FULL" mark when hot.
c. Do not over fill. If unit is overfilled, heat
expansion will cause it to run over.
d. When checking oil level be very careful to keep the
reservoir clean and to fill only with clean oil. Dirt
or water in the oil can ruin the hydrostatic
transmission (Unistat).
ii. Hydrostatic fluid should be changed annually or every 500
hours, whichever comes first. Unistats should be refilled
using only SYNTHETIC Univerial Automatic Transmission
Fluid. The fluid is changed as follows:
a. Park mower on a level surface, stop engine, remove
drain plugs from both pump and motor housings on
Unistat. Allow the fluid to drain out. Remove the
filter at this time.
b. Reinstall the bottom drain plugs and new filter.
c. Refill Unistat through the reservoir. This will
require approximately 7 quarts of the ATF.
d. Start engine and add oil as required to maintain
level in the reservoir. Replace oil reservoir cap.
e. Check reservoir level after running 1/2 hour.
14
IMPORTANT!
Use ONLY a SYNTHETIC Automatic Transmission Fluid in the Hydro-
stat transmissions (Unistat). Use of petroleum base
transmission fluid will void the warranty of the Unistat.
If synthetic transmission fluid is not locally available, contact
one of the following sources.
MOBIL PRODUCT SERVICES, at 1-800-662-4525.
These people will be glad to refer you to a distributor or dealer
in your area, who handles this product.
AMSOIL PRODUCT CENTERS - The nearest Product Center will be
happy to refer you to a dealer, or to help you obtain their product
15
8. Steering Lever Adjustment
If the machine travels either forward or rearward when the steering
levers are in the neutral position adjust as follows:
A Left Wheel Adjustment:
a. Tilt the seat forward to gain access to the rotary
mount blocks.
b. If control lever does not rotate freely into neutral
slot without forward or back pressure on the handles,
adjust as follows: Remove the control linkage bolt
from the rotary mount. Loosen the locking nut and
adjust the linkage to fit. Neutral is found in the
Unistat internally.
с. When properly set, retighten the nut and install the
control linkage bolt as shown below.
B Right Wheel Adjustment:
The right wheel is adjusted similiarly.
NEUTRAL SLOT
LOCKING NUT
CONTROL LINKAGE
| BOLT
9. Parking Brake Adjustment
The parking brake is automatically adjusted in the Unistat. If
the park brake fails to hold, repair of the Unistat is required.
10. Hydrostatic Transmission (Unistat)
After every 10 hours of operation, lift the seat and be sure that
the cooling fins of the Unistats are clean.
Never wash across top of reservoir with water or steam. Excessive
accumulation of oil, dirt, or trash may cause the Unistat to over
heat. Lubricate Unistat as per guidelines under Hydrostatic
Transmission (Unistat) "Lubrication" section of this manual. (see
pg. 14)
16
11. Scalper roller bolts
Scalper roller bolts should be tightened until the spacing bushing
will not turn relative to the scalper bracket to prevent undue wear
on the end of the spacer bushing and the scalper bracket. The
proper torque is from 17 to 20 ft. lb.
12. Unistat drive belt tension adjustment
In normal use the Unistat drive belt tension should be checked
after the first 25 hours of use for normal wear in and stretch. It
may be adjusted as follows:
a. Loosen the two nuts holding the Vee pulleys until the
pulley idler slide can be just moved relative to the
mounting bracket. This will require backing off these
nuts approximately one turn.
b. Tighten the tension adjust bolt until the belt is tight
enough to prevent belt slippage. Belt should deflect
approximately 1/4" to 1/2" under moderate pressure. Do
not over tighten.
с. Retighten the nuts holding the pulleys to lock the
adjustment. Tighten tensioning bolt 1/4 turn to set
lockwasher. This will prevent loosening of tension
bolt.
KEVLAR cord main drive belt should LEFT UNISTAT
be retensioned after 25 hours of usage,
then every 200 hours of operation.
ENGINE PULLEY
E
== RIGHT UNISTAT
DA
ADJUSTMENT IDLERS A0 А =
TENSIONING BOLT 1/4”-1/2” DEFLECTION
17
Engine won t turn over.
Mower blades engaged:---------—-—-— aaa disengage blades.
Drive not in neutral :-------————————. —— neutralize control
levers
Dead Battery :----—-------_ea me ea a ce ee me charge or replace.
Solenoid: a ue ee ee ee consult dealer.
Ignition switchs—===— a a consult dealer.
Starter t————— mmm mean ce a aura mu ae a 0 0 a a 0 consult dealer.
KR de de de Je de de de de de de de de de de de de de de de de de de de de de de de e de de de 1e de de de de de de 1 € EN
№ 9ав8:---неенеенееененннннеенннннненнненннен- refuel.
clean or replace
fuel filters
Over or under choked-==-———c meme adjust choke.
Spark plugs not firing:-- nn check spark plug
condition and reset gap.*
Carburetor maladjustment:---------————————— reset carburetor
| adjustment. *
Ignition switch:--------<=--------—--————. consult dealer.
2 e 2 de e de de de de de de de de de de de de de de de de de de de de de de de de de de de e de de de de de de de de de de de de E E KAR
Hard to start engine.
Fuel line clogged:-------------— clean fuel line
and check fuel
filter.
Faulty fuel pump: ---------=-=-=--— aaa consult dealer.
Spark plug wire grounded or loose:---------------- check spark plug
wires.
Spark plug(s) faulty or improperly gapped:-------- check spark plug
condition and
reset gap. *
Electronic ignition defective:;-----—=-—-=——=-=—m-—_——— consult dealer.
Dirty or maladjusted carburetor;------—---—------- readjust
carburetor* or
consult dealer for
carburetor
service.
*NOTE: See engine manual for engine adjustments.
18
Engine starts, buf cuts out.
Water in да8:----ееееееенненееенеееннеененнннененне drain old gas and
replace with new
gas.
Clogged fuel line:------——————— cme ee check fuel filter
and clean fuel
line.
Vent in fuel cap р1и4ддед: -=----еененнннненненннннн- check vent.
Faulty fuel pump:—--=-=—=—rme rm em me consult dealer.
Maladjusted carburetor:————=m———mmm mmm ———— readjust
carburetor.*
de de de de Je e de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de à KK AAKKEKKE
Engine knocks.
Low 011 1еме1:------еенененнннннененененеененееенееен check and add oil.
Ignition timing off:-------—————— consult dealer.
Fuel octane to0 10W:---—- mcm ee drain gas and
replace with
- higher octane gas
Overheated engine:----—--—----—=---===- eee a shut off engine
and allow to cool.
2 de de e de de de de Je de de de de de de de à e de de de de de de de de e de de de de e de de e de de de de e de Ek E x x % k* k à à X
Eng; i Ki E hial ls.
Incorrect ignition timing:------------------------ consult dealer.
Carburetor maladjustment:-------- == a readjust
carburetor*
Faulty, fouled or incorrectly gapped plug:-------—- check spark plug
condition and gap.
* e de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de 3e de de de de $e e k k k E k k k k k
Engine overheated.
Air intake screen or fins clogged: --------———-————.—— clean intake
screen and fins.
Fuel mixture too lean:ı--- meee readjust
carburetor.*
Oil level too low or too high:-------—————————————— adjust oil level
as necessary.
Improper ignition timing:-- consult dealer.
2 de de e e de e e de de 4 e de de de de de e de de de de de e de de de de de de de de de de de de de de de 3 3 KK KKEEKRKEIER
19
10.
11.
12.
Engine idles poorly.
Carburetor maladjustment:-------------------- ————— readjust
carburetor. *
Improper spark plug gap:---------—-=-——-——— check the
condition and gap e
of spark plug. *
* x à à de e de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de %e à k E kx % à X
Engine backfi
Carburetor maladjustment:-----—--—---———————e——m————— readjust
carburetor.*
NOTE: Engine backfire on shutoff is common.
% k k k de de de e e de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de de e de x à x X
Engine runs, but mower won't move forward.
Unistat locks in unlock position; -------————-—————— put into lock
position.
Drive belt broken: ss replace
Unistat oil 10W:-- add oil
Not enough tension on drive belt: -------—————————- check tension
Bad Оп1вба&:------н-ееененненеееенеенееенеенеееене- consult dealer. e
e e k de de de de e de de de de Je e de de de de de de de de de de *
Mower loses power or Unistat overheats.
Hydro. trans. oil too low or too high:-------—-—-—--- adjust as
necessary.
Unistat damage:------—e—-— aaa a consult dealer for
service.
* de de e de de e de de de de de de de e de de de de de de e de de de de de de de de de de de de à x de %e 1 x à k E KA KK KKEKKE
оо ,
Seat switch not operated:;---------—--—-—---—————- Adjust actuator plate
Faulty interlock system: ---------—e----—-—— e consult dealer.
Bad blade spindle bearings ----------——e---————— consult dealer.
Drive belt not properly routed -----—-————————-- reroute.
Blades blocked by foreign material --------------- clean under deck.
*NOTE: See engine manual for engine adjustments.
20
WIRING DIAGRAM
START SWITCH
[ ]- TERMINAL NO. ON 6 PT. TERMINAL STRIP
POSITION | CIRCUIT “MAKE”
= WIRE NO. 1. OFF G+M
RED WIRES= POWER 2. RUN B+L
BLACK WIRES= GROUND 3. START B+L+S
BLUE WIRES= KiLL CIRCUIT
YELLOW WIRES= START CIRCUIT
GREEN WIRES= SIGNAL CIRCUIT
WHITE WIRES= ALTERNATE GROUND
NOTE: FOR EASE OF PRESENTATION THE STARTER SOLENOID IS SHOWN TWICE.
{33 BLACK
>
BATTERY
BUTT
SPLICE
OIL TEMP.
SWITCH
OIL PRESSURE ©
1 6er oe
RE
BUTT
SPLICE
5 HOUR METER ELECTRIC
a
œ
O CLUTCH SWITCH
CKARD
2 RED 11 O: ; a ` ED ORNECTOR A
NO BLACK (8) —
u | BLACK : [a]
=
(5)
SEAT (7) SOLENOID
SWITCH re
BLUE RIGHT HANDLE |i |
3, zu. dry > SWITCH e
Sn
0
7) al 3
BRAKE `
Y START
SWITCH
К
X
21
SNAPPER
ZU RIDING MOWER os
MANUFACTURER'S
LIMITED WARRANTY
For two (2) Years from purchase date for the original purchaser's residential,
noncommercial use, (one (1) year from purchase date for the original purchaser's
. commercial, rental, or other non-residential use), SNAPPER POWER EQUIPMENT, through
any SNAPPER dealer will replace, free of charge any part or parts found upon
examination by the factory at McDonough, Georgia, to be defective in material or
workmanship or both. |
All transportation cost incurred by the purchaser in submitting material to a
SNAPPER dealer for replacement under this warranty must be born by the purchaser.
The UNISTAT hydrostatic transmission is warranted for 3 years from the date of
purchase, provided the unit is serviced annually by a SNAPPER dealer. To validate
the warantee, proof of service (substantiated by a receipt from servicing dealer or
approved service center) must be provided along with the warrantee claim.
This warranty does not apply to engines and their components, as these items are
warranted separately by their manufacturers, and does not apply to batteries which
are covered separately. This warranty does not apply to normal wear items such as
belts or blades. This warranty does not apply to parts that have been damaged by
accident, alterion, abuse, improper lubrication, normal wear, or other cause beyond
our control.
There is no other express warranty.
Implied warranties, including those of merchantability and fitness for a particular
purpose, are limited to two (2) years from purchase date for the original
purchaser's residential, non-commercial use (one (1) year from purchase for the
original purchaser's commercial, rental or other non-residential use), and to the
extent permitted by law any and all implied warranties are excluded. This is the
exclusive remedy. Liabilities for consequential damages, under any and all
warranties are excluded.
Some states do not allow limitations on how long an implied warranty lasts, or do
not allow the exclusion or limitation of incidental or consequential damages, so
the above limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights
which vary from state to state.
WARNING: THE USE OF REPLACEMENT PARTS OTHER THAN GENUINE SNAPPER PARTS MAY IMPARE
THE SAFETY OF SNAPPER PRODUCTS AND WILL VOID ANY LIABILITY AND WARRANTY BY SNAPPER
ASSOCIATED WITH THE USE OF SUCH PARTS.
IMPORTANT: Please fill out the attached SNAPPER Product Registration Card
immediately and Mail to:
(>> SNAPPER POWER EQUIPMENT =x |Fudua
Y McDonough. GA» 30253 TET”
22
SERIAL NUMBER LOCATIONS
Mower frame serial number is located on right rear side of frame
beside engine. |
Deck serial number is located on left front side of mower deck
housing.
The UNISTAT serial numbers are located on the rear of the square
mounting block of the hydrostat.
Engine code number is located on back center of engine.
2 de de de Le e de 26 de de de de de de de e de de de de de de de e de e de de de de de de de de de 1 de E E e KK KK KRKEK KERR
RECORD OF PURCHASE
DATE MOWER PURCHASED
month, day, year
MOWER PURCHASED FROM
dealer name and phone number
MOWER MODEL
MOWER FRAME SERIAL NUMBER
MOWING DECK SERIAL NUMBER
RIGHT UNISTAT SERIAL NUMBER
LEFT UNISTAT SERIAL NUMBER
Г:
я
O
;
ENGINE CODE NUMBER
23

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Key Features

  • Zero turning radius
  • Hydrostatic transmission
  • Commercial grade
  • High speed
  • Efficient

Frequently Answers and Questions

What kind of gasoline should I use?
Use regular gasoline. Do not mix oil with the gasoline. Do not use white, high test or premium gasoline. Do not use de-icers, carburetor cleaners, or other such additives. Gasahol is not recommended.
How do I check the oil level in the Unistat?
Park the mower on a level surface, stop the engine, remove the oil reservoir cap. Check the fluid level when cold. The level should be above the "ADD" mark when cold. It may be above the "FULL" mark when hot. Do not overfill. If unit is overfilled, heat expansion will cause it to run over. When checking the oil level be very careful to keep the reservoir clean and to fill only with clean oil. Dirt or water in the oil can ruin the hydrostatic transmission (Unistat).
What kind of oil should I use in the Unistat?
Use ONLY a SYNTHETIC Automatic Transmission Fluid in the Hydro-stat transmissions (Unistat). Use of petroleum base transmission fluid will void the warranty of the Unistat.

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