Wright Manufacturing Lawn Mower 4211 User Manual

Commercial Mower Owner’s Manual  
For Stander ZK serial #55138 and higher until superseded  
WARNING: READ THIS MANUAL BEFORE USING  
Revised 7/2011  
For your safety and for proper operation and maintenance read  
carefully and keep readily available for future reference.  
Additional replacement owner’s manuals as well as illustrated parts lists are available from your authorized Wright  
Dealer for a nominal charge. Also check www.wrightmfg.com for the most up  
to date product literature. Please note the complete model number and serial number of your Wright product.  
For reference please note the following information at the time of purchase:  
SERIAL # ________________________________  
MODEL # ________________________________  
DATE OF PURCHASE ______________________  
*Unit must be registered by your dealer at time of sale or with-in 14 days to activate your two year warranty*  
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TABLE OF CONTENTS  
PRE-DELIVERY SERVICE OF MOWER BY DEALER.......................................................................... 4  
SAFETY INSTRUCTIONS..................................................................................................................... 6  
INTRODUCTION .................................................................................................................................... 6  
GENERAL SAFETY INSTRUCTIONS ......................................................................................................... 6  
OWNER/USER NOTICE ......................................................................................................................... 6  
USER QUALIFICATIONS......................................................................................................................... 6  
USER CLOTHING.................................................................................................................................. 7  
INSPECT MOWER BEFORE EACH USE.................................................................................................... 7  
REGULAR MOWER SAFETY MAINTENANCE............................................................................................. 7  
WORK AREA CONDITIONS & INSPECTION............................................................................................... 7  
INITIAL OPERATING SAFETY GUIDELINES ............................................................................................... 7  
OPERATION  
OPERATION  
I
I
N
FORWARD DIRECTION.................................................................................................... 8  
REVERSE ...................................................................................................................... 8  
N
ZERO-RADIUS TURN OPERATION .......................................................................................................... 8  
OPERATION ON SLOPES ....................................................................................................................... 9  
FUEL SAFETY ...................................................................................................................................... 9  
HYDRAULIC SAFETY............................................................................................................................. 9  
USING A SPARK ARRESTER......................................................................................................... 10  
REPLACEMENT PARTS........................................................................................................................ 10  
OPERATING INSTRUCTIONS............................................................................................................ 11  
MOWER INSPECTION ................................................................................................................... 11  
BASIC OPERATION........................................................................................................................ 11  
HOW TO START THE MOWER ............................................................................................................... 11  
Before starting the engine................................................................................................................ 11  
Starting the engine .......................................................................................................................... 11  
HOW TO DRIVE THE MOWER................................................................................................................ 11  
HOW TO STOP AND PARK THE MOWER................................................................................................ 12  
DRIVING THE MOWER OVER A CURB ................................................................................................... 12  
MOWING ON VARYING TERRAIN .......................................................................................................... 12  
HOW TO ADJUST NEUTRAL ................................................................................................................. 12  
SPEED/SENSITIVITY ADJUSTMENT ............................................................................................. 12  
HOW TO PERFORM THE TRACKING ADJUSTMENT ................................................................................. 13  
HOW TO TEST/USE THE BLADE CLUTCH/BRAKE SWITCH ...................................................................... 13  
HOW TO TEST THE OPERATOR PRESENCE CONTROL (OPC) SWITCH.................................................... 14  
SERVICE AND ADJUSTMENTS ................................................................................................................. 14  
Tire Maintenance and Pressure....................................................................................................... 14  
Height-of-Cut................................................................................................................................... 14  
Deck Pitch....................................................................................................................................... 14  
Belt Tension ................................................................................................................................... 14  
Deck Lift Spring............................................................................................................................... 14  
Spring Platform................................................................................................................................ 14  
Oil Cooler Debris Screen Cleaning.................................................................................................. 14  
Oil Cooler Cleaning ......................................................................................................................... 14  
How to Move the Mower if the Engine Won’t Start........................................................................... 15  
Bleeding Air from the Hydraulic System........................................................................................... 15  
Battery Service................................................................................................................................ 15  
FUEL EVAPORATION SYSTEM ...................................................................................................................................... 15  
Cleaning the Mower......................................................................................................................... 15  
TORQUE SPECIFICATIONS............................................................................................................................................. 16  
MAINTENANCE INTERVAL CHART .................................................................................................. 17  
MAINTENANCE RECORD.................................................................................................................. 18  
POWER EQUIPMENT LIMITED WARRANTY................................................................................................ 19  
FEDERAL & CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT ..................................................... 20  
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Pre-Delivery Service of Mower by Dealer  
If you are not completely familiar with the Safety Instruction Manual  
read it now before proceeding with the Pre-Delivery Service of the  
mower. Only your authorized Wright dealer should perform the Pre-  
Delivery Service of the mower.  
WARNING  
The Wright Stander ZK is shipped completely assembled and has been adjusted and tested at the factory.  
However, due to jostling during the shipping process and the delivery time lapse the following items need to  
be repeated again before starting the mower. After you have uncrated the mower, follow these procedures in  
the order indicated:  
Inspect the mower for any damage, unusual conditions or missing parts.  
Inspect the mower for all of its decals, especially the warning decals. There should be one blade warning  
decal on each side of the deck, the “shield missing” under the blade belt covers, and the dash decal.  
Check (and fill if necessary) engine oil level according to the engine manufacturer’s recommendation.  
Check (and fill if necessary) hydraulic fluid level. Use fully SYNTHETIC oil: Mobil-1 15W-50 (see Hydro  
Check/Fill section of this manual).  
Check rear tire pressure - 18 to 22 psi. is recommended. It should be even on both sides. Use the higher  
pressures for heavier operators. Front Casters are equipped with non-pneumatic tires and do not require  
any air. Lowering tire pressure will affect deck pitch. Always check pitch any time tire pressure is set  
below recommended pressures.  
Check the battery to see that the cables are tight and connected properly. The battery is 12 volts and is a  
maintenance-free battery. Only charge the battery if it will not start the mower properly.  
Check the cutter deck for proper adjustment. The deck should be approximately ¼” lower in the front than  
in the rear and the deck should be level side-to-side. If the deck is not adjusted properly, please adjust at  
this time. See Deck adjustments section of this manual for further instructions.  
Lubricate all moving parts (see Maintenance Items section of this manual).  
Add regular unleaded gasoline to fuel tank. Turn fuel valve, located on the right side of upright to the “ON”  
position. The down position controls the right tank, the up position controls the left tank. Center position is  
“OFF”. (Use a minimum of 87 octane gasoline) (You may use gasoline containing up to 10% ethanol and  
gasoline containing up to 5% of methanol.)  
Check brake safety interlock.  
o Try starting the engine with the parking brake released. (Engine should not start. If engine starts,  
service the parking brake locking system)  
o With hand controls in the middle or neutral position, apply the parking brake.  
Start the engine according to the engine manufacturer’s recommendation. Let the engine run at low - mid  
RPM for several minutes to ensure the engine oil reaches all of the engine parts and gets the hydraulic  
fluid circulating through the pumps, etc.  
o Check if the parking brake locking system prevents the units from being driven while engaged. If not,  
service the parking brake locking system.  
Release the parking brake. Next, move the hand control levers, one at a time, to make the wheels move  
in forward and backward rotation.  
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Before testing the blade clutch/brake operation, make sure the area is clear and there is nothing  
vulnerable to possible thrown objects from under the mower. No one should be near the mower deck or in  
its line of discharge at this or at any time. The discharge chute deflector should be in the down position.  
Move the engine throttle control to ¾ RPM speed setting.  
Turn on the blade clutch switch. Run blades for approximately one minute. Next, engage and disengage  
the blades a few times about 10 seconds apart. If the blades do not start and stop in a few seconds each  
time, service the blade brake system.  
With the blades on, disengage the OPC switch to test the Operator Presence Control switch (OPC). A  
time delay has been added to the OPC system. The engine should die and the blades should stop with-in  
6-9 seconds after stepping off of the foot platform. If not, service the OPC system.  
Disengage the blades.  
Drive the mower around on a level parking lot. ZK’s are being set at the factory at the 12 MPH setting  
of the Speed/Sensitivity Adjustment. (See further in this manual for information on Speed/Sensitivity  
Adjustment)(Ground speeds are estimates and could vary from machine to machine plus or minus  
1.0 – 0.5 mph.) Be sure that the mower drives in a straight line when both hand controls are held to the  
full speed position which is up against the stationary control bar. If not, see further in this manual for  
information on tracking adjustment.  
As you drive the mower, listen for any unusual noises and test for irregular operation and adjust or  
service as necessary. Next, go over the safety information and operating procedures in this  
manual with the customer. Instruct the customer in proper operation and observe the  
customer during their initial operation on a level parking lot. Make sure the customer is  
familiar and comfortable with the basic operation and use of the mower.  
Dealer:  
Register the mower online within 14 days from the date of retail purchase.  
(If unable to use the online registration process, contact your Distributor to  
register for you)  
Registering the product indicates you have successfully completed the pre-delivery  
service checklist.  
The limited warranty is considered invalid unless the unit is registered and the above  
steps are taken.  
Remember, the purchaser is both your customer and our customer and his/her  
satisfaction is very important. Thank you for supporting our products.  
The mower is now ready for delivery to your customer  
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WARNING  
CAUTION  
This symbol with the word “CAUTION” indicates a  
potentially hazardous situation which, if not  
avoided, could result in minor or moderate injury.  
This symbol with the word “WARNING” indicates a  
potentially hazardous situation which, if not  
avoided, could result in death or serious injury.  
SAFETY INSTRUCTION MANUAL  
TO WRIGHT MOWER USERS & OWNERS: READ THIS MANUAL BEFORE USING.  
PLEASE BE CAREFUL!  
INTRODUCTION  
This mower is built to the highest standards in  
WARNING  
the industry. However, carelessness or operator  
error may result in serious bodily injury or death.  
Accident and hazard prevention are dependent  
upon the awareness, concern, wisdom, and  
proper training of the personnel involved in the  
operation, transport, maintenance, and storage  
of the equipment. Make sure every operator is  
properly trained and thoroughly familiar with all  
of the information in this manual before  
Owner/User Notice:  
The owner’s/user’s obligation is to instruct  
themselves and all potential users in the safe  
operation of this equipment and be sure they  
read and follow the instructions in this safety  
manual and other material provided by Wright  
Manufacturing, Inc. before using or allowing  
others to operate the equipment. Do not  
operate this unit unless you carefully read,  
understand and follow the assembly, installation,  
and safety instructions contained in this manual  
and the warning decals provided on the unit. Do  
not allow other persons to use this unit unless  
you make sure they carefully read, understand  
and follow these instructions. Never allow  
children to operate or play on the unit.  
operating the equipment.  
GENERAL SAFETY INSTRUCTIONS  
The Wright Stander ZK is designed with your  
safety in mind. It has the following safety  
systems with which you should be familiar:  
The warning decals on the mower including  
the instrument panel warning  
The blade switch must be “off” before  
starting the engine  
Your feet must be on the foot platform in  
order to engage the blades  
If you remove your feet from the foot  
platform while the blades are running the  
engine will stop and the blades will brake in  
seconds  
WARNING  
User Experience and Qualifications:  
This product is designed for use by physically fit,  
experienced, professional commercial mower  
operators who have a minimum of 160 hours  
of experience operating twelve horsepower and  
greater industrial mowers. Operators must be  
18 years or older and weigh at least 120 pounds  
and no more than 350 pounds. They must have  
read and understood this manual. DO NOT  
allow children to operate the mower. Do not  
allow adults to operate the mower without proper  
instruction mentioned above. Never allow  
passengers on the mower.  
Letting go of the hand controls will stop the  
wheels instantly  
Spring loaded chute deflector helps reduce  
trajectory of thrown objects  
Belt/pulley covers on cutter deck  
Anti-tip rollers are provided at the rear of the  
mower to minimize the possibility of tipping  
back and over on the operator  
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equipment is in safe working condition. Check  
the blade mounting bolts for proper tightness  
every eight (8) hours of operation. Check the  
blades for excessive wear and sharpness every  
four to eight (4-8) hours of operation. Replace  
excessively worn blades. Sharpen dull blades.  
The mower should not be used after the blades  
or other part of the mower strikes a foreign  
object, until conducting a thorough inspection  
and any damage is repaired. See the  
WARNING  
User Clothing:  
DO NOT operate the mower while wearing  
sandals, tennis shoes, sneakers, or shorts.  
Always wear long non-baggy pants. Wear high-  
top leather work boots with thick, textured tread,  
soft-rubber soled at all times. Hard or smooth  
soled shoes are too slippery for a good footing  
on mower platform. NEVER wear loose-fitting  
clothing or jacket pockets that can get caught to  
the handlebars or control levers of any mower  
you drive. Wearing safety glasses, ear  
protection and safety shoes is advisable and  
required by some local ordinances and  
insurance regulations.  
instructions in the Recommended Maintenance  
section of this manual for other items of required  
maintenance.  
WARNING  
Work Area Conditions and Inspection:  
Prior to operating the unit, carefully inspect all  
lawn/ground areas where you plan to use the  
mower for hidden, hard-to-see objects or uneven  
ground that may be hidden in the grass. Clear  
the work area of moveable objects such as  
wires, rocks, glass, etc. that might be picked up  
by the mower and dangerously thrown.  
Remove, if possible, or mark the location of all  
immovable objects or irregular areas and be  
sure not to hit them with any part of the mower,  
its deck or the blades. Obstacles such as holes,  
abrupt changes in ground contour, tree trunks,  
stumps or roots, pipes protruding from the  
ground, paving edges, etc. in the path of  
operation can abruptly turn or stop the mower.  
This could throw you off the mower or into and  
possibly over the handle bars causing serious  
injury or death. The faster you are moving,  
the more potential there is for injury. Mow  
only in daylight or in good artificial light. Keep  
away from drop-offs, the edges of ponds,  
streams, pools, etc. especially at the bottom of  
slopes. Do not mow when children or others are  
around. When the Wright mower is in use,  
never direct the grass discharge toward  
bystanders, traffic, cars or buildings nor allow  
anyone near the machine while in operation.  
Thrown objects can pass through glass windows  
and some walls of buildings. There is extreme  
risk of danger from thrown objects or being cut  
by the blades of the mower or being run over if  
you lose control. Never operate the mower in an  
enclosed area without good, approved  
WARNING  
Inspection of Mower Before Each Use:  
DO NOT use the mower if any parts are not  
maintained in good operating condition.  
Examine the moving parts prior to each use.  
Look for excessive wear, bald or worn tires,  
cracks in parts, loose or missing bolts, cotter,  
linchpin or “hair” pins or cable yoke pins and  
replace before operating the mower. Make sure  
all safety equipment provided with the mower is  
in good operating order, including all the warning  
decals and the required operator-presence  
device which stops the engine and blades when  
the foot-operated Operator Presence Control  
(OPC) switch is released. (To test the OPC,  
follow instructions in the Operating Instructions  
section of this manual.) Inspect the two anti-tip  
rollers and their respective bolts at the rear of  
the mower for tightness and proper operation.  
Be sure that all parts of the hand-operated  
transmission control system are tight and  
secure. This is to reduce the possibility that the  
mower could have a loss of control or safety.  
WARNING  
ventilation. Exhaust fumes are dangerous.  
Scheduled Mower Maintenance Safety:  
Replace worn tire(s) with less than 3/32” of any  
tread groove left. Use tires with the tread  
pattern specified by Wright Mfg., Inc. only. DO  
NOT change the engine governor settings or  
over-rev the engine contrary to engine  
manufacturer specifications. Keep the Wright  
mower in good operating condition, and keep  
safety devices and shields in place and in  
working condition. Keep all nuts, bolts, and  
screws tight to be sure the  
WARNING  
Initial Operating Safety Guidelines:  
Read and understand the warnings on the  
instrument panel of the mower.  
Keep a firm hold on the stationary handle at all  
times.  
Keep both feet on the foot platform at all times.  
Know the controls and how to stop quickly.  
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Before attempting to start the engine, follow all  
starting instructions below and in the  
engine operator’s manual.  
Be alert for traffic when crossing roads or  
operating near roadways.  
Before climbing curbs, crossing gravel drives,  
sidewalks or roads, turn off the blades, lift  
them into transport position, and wait for  
them to stop.  
Look behind before backing up.  
Before leaving the operator’s position, even  
momentarily, turn off the blade clutch  
engagement switch and apply the parking  
brake. Keep others from coming near the  
mower. Get back on the mower as soon  
as possible.  
WARNING  
When leaving the Wright mower unattended,  
turn off the blade clutch engagement  
switch, apply the parking brake, stop the  
engine and remove the key. Never leave  
the machine unattended on a slope in  
case someone disengages the parking  
brake which would be hazardous if the  
mower were to roll.  
When transporting, driving onto transport  
vehicles, into buildings, across parking  
lots or otherwise not mowing grass, turn  
off the blade clutch engagement switch to  
reduce risk of thrown objects and rotating  
blade hazard. After coming to a stop  
apply the parking brake, stop the engine  
and remove the key.  
Operation In Forward Direction  
Always keep a firm grip on the mower stationary  
handlebar with both hands. Operate the mower  
slowly until you become familiar with how the  
mower operates. Do not operate the mower  
faster than conditions allow. For example, hills,  
wet or bumpy ground, dim light or high grass are  
all conditions requiring slower speeds. Never  
operate the mower at the highest speed unless  
you are on level, wide, open areas of clearly  
visible ground or transporting on paved areas.  
Speeding with any mower is dangerous, and so  
is traveling faster than conditions should permit  
on this mower. Sudden stops from excessive  
speed or falling off the mower may cause  
serious injury or death.  
Before performing any maintenance or repair  
service, disengage power to blades, apply  
the parking brake, stop the engine,  
remove ignition key and spark plug wire  
from spark plug(s).  
WARNING  
All operators of this mower should exercise  
caution when driving this mower at high  
speeds. Sudden stops from excessive  
speeds may cause serious injury.  
DO NOT allow inexperienced people to  
operate the mower until they have read  
and understood these safety instructions.  
Operate the mower at slower speeds  
while becoming familiar with it.  
The grass discharge chute deflector must be  
installed at all times and in the down  
position except that it may be raised when  
the grass catcher is completely installed or  
a mulch kit is completely installed.  
If the mower discharge clogs, turn off the  
blade clutch switch, apply the parking  
brake, stop the engine and remove the  
key before removing obstruction.  
Operation In Reverse  
Always keep a firm grip on the mower stationary  
handlebar with both hands. Keep both feet  
firmly on the foot platform. Look behind you  
before backing to prevent injuring yourself or  
anyone behind you. Operate the mower very  
slowly, inching it backward until you become  
familiar with how the mower operates. Always  
operate slowly if in an awkward location or  
position. While backing up, never place your  
foot or feet on the ground near the back edge of  
the mower to prevent serious personal injury if  
the mower were to run over you.  
WARNING  
Zero-Radius Turn Operation  
During zero-radius turns (when one mower  
wheel rotates backwards while the other rotates  
forward) drive extra slowly to reduce the  
possibility of losing traction, or control, or  
becoming dizzy. This will help prevent you from  
being thrown off the mower. Be aware that if  
you do a turn on a slope you may go through all  
of the orientations to a slope mentioned below  
and must handle the mower accordingly.  
Keep all shields and covers in place,  
especially grass discharge chute deflector  
and the blade belt covers.  
Keep hands, feet and clothing away from  
rotating parts, especially the rear wheels,  
blades, engine flywheel, belts and pulleys.  
Do not touch engine or muffler while engine is  
running or soon after it is stopped. These  
areas can be so hot as to cause severe  
burns.  
Clean grass, leaves and lubricant spills  
from surfaces after use to prevent fire  
hazard.  
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weight on the higher side drive wheel, tending to  
make it slip. This is the preferred angle for  
mowing large areas of gentle slopes.  
WARNING  
Operation on Slopes  
Recommendations for this angle:  
DO NOT operate on steep slopes. Do not  
operate the mower on slopes steeper than you  
can feel secure about the traction of the tires  
and the stability of the mower. Do not operate  
the mower on slopes at all when the grass is  
wet. There is a danger of suddenly sliding  
sideways or down the hill. When operating on a  
slope, travel across the grade whenever  
possible, not in an up or down pattern. Reduce  
speed and exercise extreme caution on slopes  
and in sharp turns to prevent tipping or loss of  
control. Be especially cautious when changing  
direction on slopes.  
Stand straight, but lean sideways, toward the uphill  
side and stand on the uphill side of the foot  
platform. This adds weight to the higher side  
drive wheel and will allow you to mow more  
quickly across the slope without sliding.  
To reduce the chances of “popping-a-wheelie”, do  
not accelerate quickly.  
Note: Excessively worn tire tread is dangerous.  
Replace tire(s) with less than 3/32” of any tread  
groove left. Use tires with the tread pattern  
recommended by Wright Mfg., Inc. only. Keep  
the tire pressure in the drive tires between 18  
and 22 psi. Higher pressures will cause the tires  
to have less traction which may prevent safe  
operation.  
When pointing up a slope, your mower has the  
most weight on the drive wheels and therefore  
the most traction at the tires. However, this is  
the angle that it has the most tendency to tip  
back (“pop a wheelie.”) This is the preferred  
angle for mowing small areas of steeper slopes.  
WARNING  
Fuel Safety  
Recommendations for this angle:  
Handle gasoline with care – it is highly  
flammable. Do not smoke while handling  
gasoline. Use an approved gasoline container.  
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. Never fill the tank indoors and always  
clean up spilled gas. NEVER store the  
equipment with gasoline in the tank inside a  
building where fumes may reach an open flame  
or spark. Allow the engine to cool before storing  
in any enclosure.  
Lean as far forward as possible to add your  
weight to the front of the mower.  
Accelerate gently. Do not accelerate quickly  
to avoid “popping a wheelie”.  
If backing down the hill, do not stop suddenly  
but slow down gradually.  
When pointing down a slope, your mower has  
the least weight on the rear drive wheels and  
therefore the least traction at the tires. This is  
the angle that the mower has the most tendency  
to slide. However, this is the angle that it has  
the least tendency to tip back. Avoid this angle,  
as it has the least advantage for your mower.  
WARNING  
Recommendations for this angle:  
Lean back with arms stretched out straight  
while holding onto the stationary  
Hydraulic Safety  
Keep body and hands away from pin holes or  
fittings that eject hydraulic fluid under high  
pressure. Use paper or cardboard and not  
hands to search for leaks. Hydraulic fluid  
escaping under high pressure may have  
sufficient force to penetrate skin and cause  
serious injury. If foreign fluid is injected into the  
skin, it must be surgically removed within a few  
hours by a doctor familiar with this form of injury  
or gangrene may result. Seek medical attention  
immediately. Make sure all hydraulic fluid  
connections are tight and all hydraulic hoses  
and lines are in good condition before starting  
your Wright mower. Hydraulic fluid is under high  
pressure. If you need service on your hydraulic  
system, please see your authorized Wright  
handlebar. This transfers more of your  
body weight to the rear drive wheels for  
more traction.  
Do not change speed suddenly to minimize  
the tendency of going into a slide.  
Accelerate and decelerate gently. If you  
ever go into an uncontrolled slide while  
pointing down a slope the recommended  
procedure is to let go of the handles and  
jump off if necessary. Otherwise, control  
the mower gently and stay off slopes that  
tend to make the wheels slide.  
When crossing a slope sideways, your mower  
has the average amount of weight on the drive  
wheels versus the front wheels, similar to level  
ground. However, this angle leaves the least  
dealer.  
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Using a Spark Arrester  
The engine in this machine is not equipped with a  
spark arrester muffler. It is in violation of  
California Public Resources Code Section 4442 to  
use or operate the engine on or near any forest-  
covered, brush-covered, or grass covered land  
unless the exhaust system is equipped with a  
spark arrester meeting any applicable local or  
state laws. Other states or federal area may have  
similar laws.  
WARNING  
Replacement Parts  
Use of parts other than specified parts supplied  
by Wright Manufacturing, Inc. may compromise  
the safe use of the mower, are not  
recommended and their use could void the  
warranty. Always check with your Dealer or the  
Wright Mfg website for the latest Illustrated Parts  
List for your equipment.  
Wright is fully concerned with your safety.  
Please read the above again and again  
until you fully understand the methods to  
promote the safest operation possible.  
REMEMBER – YOUR MOWER CAN BE  
ONLY AS SAFE AS THE OPERATOR.  
FAILURE TO FOLLOW SAFE  
OPERATING PRACTICES MAY RESULT  
IN SERIOUS INJURY OR DEATH.  
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OPERATING INSTRUCTIONS  
If you are not completely familiar with the Safety Instruction  
Manual read it now before proceeding with the operation of  
the mower. REMEMBER THERE ARE CERTAIN PRECAUTIONS  
LISTED IN THIS MANUAL THAT YOU MUST NOW TAKE  
BEFORE STARTING THE MOWER.  
WARNING  
Starting the engine  
Electric Start:  
Inspect Mower Before Each Use  
Inspection of Mower: Do not use the mower if  
any parts are not maintained in good operating  
condition. Examine all moving parts prior to each  
use. Look for excessive wear, bald drive tires or  
worn out front tires (normally smooth), cracks in  
parts, loose or missing bolts, cotter, linchpin or “hair”  
pins or cable yoke pins and replace before operating  
the mower. Make sure all safety equipment  
provided with the mower is in good operating order,  
including all warning decals and the operator-  
presence device which stops the engine and blades  
when the foot-operated Operator Presence Control  
(OPC) switch is released. To test the OPC, follow  
the instructions given later in this manual. Inspect  
the two anti-tip rollers and their respective bolts at  
the rear of the mower for tightness and proper  
operation. Ensure that all parts of the Quad-Lever™  
control system are tight and secure. This is to  
reduce the possibility that the mower could have a  
loss of control or safety.  
•Start the engine according to the engine  
manufacturer’s recommendation, see engine  
manual. Set the throttle control lever near mid  
throttle, pull out on the choke control knob and  
turn the key to the start position. Do not engage  
the starter for more than ten (10) seconds at a  
time. This may overheat the starter and the  
wiring systems. Wait ten (10) seconds between  
attempts. If the engine does not start after  
several attempts or stalls frequently, take the  
mower in for service.  
After starting the engine according to the engine  
manufacturer’s recommendation, push in on the  
choke control knob to open the choke valve, let the  
engine run for several minutes to get the hydraulic  
fluid circulating through the pumps, etc. and to allow  
the engine to warm up. Do not over-rev a cold  
engine.  
Unusual noises or irregular operation:  
As you drive the mower, listen for any unusual  
noises and test for irregular operation and  
adjust or service as necessary.  
Basic Operation: The following procedures are to  
guide you through the basic operation of the mower.  
You should be a qualified mower operator  
according to the safety section of this manual. If  
this is your first time, operation should only be  
done with the assistance of your dealer on a  
level area. You should go through each step, in the  
order indicated, every time you start the mower.  
How to drive the mower  
While standing, both feet should be firmly placed on  
the foot platform. Set the engine speed about a  
fourth of the way from idle. Release the parking  
brake. Now try moving the hand control levers, one  
at a time, very slightly, forward and backward.  
Check to see if the wheels move forward and  
backward according to the position of the levers. If  
not, check to see that the pump release valves are  
closed. With both feet still firmly placed on the foot  
platform, increase the engine speed to about half of  
the way from idle speed. Release the parking brake.  
The higher engine speed will make the controls  
much more responsive and the mower much  
quicker; Use caution if it is your first time. Now  
try moving the hand control levers, one at a time,  
very slightly, forward and backward. Gradually  
increase your speed until you are well acquainted  
with the operation of the hand controls and the  
mower’s behavior. After gaining a good feel for how  
the mower handles, gradually attempt higher engine  
speeds until familiar with operation at full throttle  
engine speed.  
WARNING  
CALIFORNIA  
Proposition 65 Warning  
The engine exhaust from this product contains  
chemicals known to the state of California to  
cause cancer, birth defects or other  
reproductive harm.  
How to start the mower  
Before starting the engine  
• Make sure the control levers are in the exact  
neutral position  
• Apply the parking brake if it is not already set.  
• Turn OFF the blade engaging switch if it is on.  
• Turn fuel valve to the “ON” position.  
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curb and you will be able to more safely control the  
mower.  
How to Stop and Park the Mower  
Come to a complete stop. If the blades are on,  
turn them off using the switch on the instrument  
panel. Make sure the control levers are in the  
exact neutral position. Set the parking brake,  
reduce the engine speed to idle, shut off the  
ignition switch to stop the engine and then  
remove the key from the ignition switch. The  
mower is now parked. Do not leave mower  
unattended on a sloped surface.  
How to Use the Mower on Varying Terrain  
See the Safety Instruction Manual section of this  
manual, especially the parts on:  
•Initial Operating Safety Guidelines  
•Operation On Slopes  
•Operation In Reverse  
•Operation In Forward Direction  
•Operation During Zero-Radius Turns  
How to Drive the Mower Over a Curb  
To climb a curb, first see the Safety Instruction  
Manual section of this manual, especially the parts  
on:  
How to Adjust Neutral  
Neutral refers to the mower movement when the  
engine is set to full throttle, parking brake is off, and  
the control levers are in the neutral position. The  
mower should not move forward or backward during  
this time. If the mower is moving forward or  
rearward, the neutral setting must be adjusted. The  
hydraulic pump has a Return-to-Neutral (RTN)  
device built into the linkage of the pump. To make  
the adjustment, loosen the ¼” allen bolt and rotate  
the RTN device until the neutral position is found  
and then retighten the ¼” allen bolt. Use care not to  
over tighten the allen bolt.  
•Initial Operating Safety Guidelines  
•Operation In Reverse  
•Operation In Forward Direction  
Next, raise the mower deck into the locked transport  
position. This is the highest position for the mower  
deck. Then drive the mower in reverse at a 45  
degree angle to the curb (with the left side of the  
mower closest to the curb) until you are within an  
inch or two of the left-rear tire hitting the curb. Stop  
and then gradually bump into the curb with that tire  
until it is just on top of the curb. If the tire slips even  
while lurching the mower into the curb, then the curb  
is too high and you should use ramps or find another  
way. The mower should still be at a 45 degree  
angle to the curb. Now, while maintaining the same  
angle to the curb, continue to back up until the right-  
rear tire is close to the curb. Using the same  
technique lurch the right tire onto the curb. After  
both wheels are on top of the curb, turn the mower  
counterclockwise and back up so the left caster  
wheel comes over and last should be the right caster  
wheel as the mower is twisting to the left  
(counterclockwise). The technique works the best if  
you try not to drive backwards at a near 90 degree  
angle to the curb but get all of the wheels to go over  
while the mower is moving at least a 45 degree  
angle to the curb. To drive off a curb, first try driving  
up onto it to make sure the curb is not too high. If  
the curb is not too high, drive the right-front caster  
off first while driving toward the curb at a 45 degree  
angle (the curb should be to your right). Then,  
maintain that 45 degree angle so the left caster goes  
over, then the right-rear wheel, then the left rear  
wheel.  
How to Change the Speed/Sensitivity  
Adjustment  
The WZK has three Speed/Sensitivity settings. The  
settings are changed by removing the control rod at the  
control levers and inserting into the alternate holes.  
Factory Setting  
12 MPH  
Slow Hole  
10 MPH  
Fast Hole  
13.5 MPH  
The controls are initially set with the Speed/ Sensitivity  
adjustment in the 12 MPH position. With operators not  
completely familiar with the mower operation the operator  
may desire to leave the controls in the factory setting or  
move to the slow hole position until becoming familiar  
with the operation. The faster setting has a  
corresponding increase in the sensitivity of the controls.  
In other words, a given amount of movement of the  
control levers will cause about a 10-15% increase in the  
ground speed making the controls more sensitive. After  
stopping the engine, the adjustment is made by  
removing rod ends connected to the control rods from the  
current holes in the control levers and reinstalling them  
into the alternate holes. The holes closest to the  
operators position are for the faster, more sensitive  
setting and the holes farthest from the operators position  
WARNING  
Never drive straight onto or off a curb.  
Never drive straight onto or off a curb. If you do the  
whole procedure at a very sharp angle it will tend to  
minimize the contact of the mower deck with the  
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are the slower, less sensitive setting. You must then  
perform the Tracking Adjustment described below.  
torsion rods are level, proceed to the upper control  
rods connected to the control levers.  
Loosen the jam nuts on both ends of the upper  
control rod. Note: the Speed Sensitivity setting  
should be set to the fast position. Before changing  
the length of the control rods several facts are  
important to know.  
How to Perform the Tracking Adjustment  
First ensure that the tire pressure is equal on both  
rear drive tires. Drive the mower on a level parking  
lot with engine at full throttle. Check that the mower  
drives in a straight line when both hand controls are  
held to the full speed position which is up against the  
stationary control bar. If not, park the mower and  
stop the engine. Before proceeding to adjusting  
the mower tracking, check and make sure both  
controls move freely through the forward and  
reverse range. Make sure that debris has not  
hindered the movement of the upper and lower  
control rods and linkages. If all control linkages  
move freely and mower tracking is off, proceed to  
the next step.  
In the faster Speed/Sensitivity setting neither control  
rod should be shortened so much that at full speed it  
pulls the pump control lever (on the sides of the  
pumps) against the pump’s internal stop. The  
pumps have an internal stop that is not designed to  
take this type of force and could eventually cause  
pump leakage or other damage to the pump.  
Therefore, to reach the maximum capable speed,  
the rods should be lengthened one turn at a time  
until you can feel in the hand control that the internal  
stop has been contacted with the control handles in  
the maximum forward position. Then shorten the  
cable one turn. This will enable the stationary bar to  
stop the control handle and protect the internal  
pump stop from damage. Remember, this  
Tracking in the 10 & 12 MPH Setting  
It is essential to start with the lower (and shorter)  
control rods located near the pumps. With the  
control levers in the neutral position, the right and  
left lower control rod should be adjusted to allow  
their respective torsion bar to remain level at the end  
connected to the lower control rod. Specifically, with  
the pump in the Return-To-Neutral position, the  
lower rod end should be the same height as the  
rigidly fixed ball joint connected on the same end of  
the torsion rod. NOTE: This adjustment may not be  
necessary if tracking is slightly off. Upper control  
rods should be the only adjustment required.  
Perform this adjustment on both the right and left  
side. Now that the lower end of both torsion rods  
are set, proceed to the upper control rods connected  
to the control levers.  
procedure does not apply if the Speed/Sensitivity  
Adjustment is in the slower setting.  
So, if the mower is tracking to the left, either the left  
side needs to go faster (by lengthening the upper  
control rod on the right) or the right side needs to go  
slower (by shortening the upper control rod on the  
left). If the mower is tracking to the right, either the  
right side needs to go faster (by lengthening the  
upper control rod on the left) or the left side needs  
to go slower (by shortening the upper control rod on  
the right).  
Loosen the jam nuts on both ends of the upper  
control rod. Note: the Speed Sensitivity setting on  
both sides should be set together in the middle hole  
(factory) position. Rotate control rod to either  
lengthen or shorten. So, if the mower is tracking to  
the left, either the left side needs to go faster (by  
lengthening the upper control rod on the right) or  
the right side needs to go slower (by shortening the  
upper control rod on the left). If the mower is  
tracking to the right, either the right side needs to go  
faster (by lengthening the upper control rod on the  
left) or the left side needs to go slower (by  
The only reference point to limit the adjustment from  
becoming extremely off is the relative position of the  
pump internal stop and the stationary bar in the  
faster Speed/Sensitivity setting. Therefore, if  
everything is extremely off either because you are  
installing new parts or other reasons you should only  
use the faster Speed/ Sensitivity setting to get the  
tracking to be accurate. After getting the mower to  
track straight, readjust the neutral adjustment, if  
necessary. It is normal to need to make these  
adjustments from time to time as the linkage breaks  
in or wears.  
shortening the upper control rod on the right).  
Test/Use the Blade Clutch/Brake Switch  
Before testing the blade clutch/brake operation,  
make sure the area is clear and there is nothing  
vulnerable to thrown objects from under the mower.  
No one should be near the mower deck or in its line  
of discharge. The discharge chute deflector should  
be in the down position. The parking brake should  
now be applied. Move the engine throttle to ¾  
speed setting. (When mowing, the engine speed  
should always be at its highest setting. The engine  
governor will regulate the engine according to the  
different mowing conditions at that setting.) Place  
Tracking in the 13.5 MPH Setting  
It is essential to start with the lower (and shorter)  
control rods located near the pumps. With the  
control levers in the neutral position, the right and  
left lower control rod should be adjusted to allow  
their respective torsion bar to remain level at the end  
connected to the lower control rod. Specifically, with  
the pump in the Return-To-Neutral position, the  
lower rod end should be at the same height as the  
rigidly fixed ball joint connected on the same end of  
the torsion rod. Perform this adjustment on both the  
right and left side. Now that the lower end of both  
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both feet firmly on the foot platform and turn on the  
blade clutch switch. Run blades for a minute or so.  
Try engaging and disengaging the blades a few  
times about 10 seconds apart. If the blades do not  
start and stop in a few seconds each time, inspect  
the clutch or contact your local Wright dealer. Under  
mowing load, the clutch’s life will be the greatest at  
the highest RPM setting.  
hold the deck. Adjust the rear deck hangers (by  
using a socket through the hole above the toe  
area of the platform) to achieve a ¼pitch.  
These hangers are right-handed threads. If you  
raise any of these settings above the factory  
setting, the deck may not raise all the way up  
into transport position. Be sure and check the  
deck height of cut range after any adjustments  
are made to these hangers to ensure that the  
height of cut adjustments work properly. If  
unable to make the adjustments needed by only  
using these hangers, contact your dealer for  
assistance.  
How to Test the Operator Presence Control  
(OPC) Switch  
With the parking brakes applied and the blades ON,  
try lifting your feet off the foot platform to test the  
Operator Presence Control switch (OPC). The  
engine should kill and the blades should stop within  
a few seconds. If not, service the OPC system or  
contact your local Wright dealer.  
Belt Tension Adjustment  
The pump drive belt is self-adjusting, and requires  
no adjustment, just replacement. The blade drive  
belts are self-adjusting also and require no  
adjustment, just replacement.  
WARNING  
Deck Lift Spring Adjustment  
To adjust deck spring tension, tighten or loosen the  
eye-bolt Nylock jam nut located in the front tank  
bracket. If tightening for more lift assist make sure  
not to over tighten creating the deck to hop over  
rough terrain.  
Service and Adjustments  
Tire Maintenance and Pressure  
Excessively worn tire tread is dangerous on all hills.  
Replace drive tires with less than 3/32” of any tread  
groove left. Use tires with the tread pattern  
recommended by Wright Mfg., Inc. only. Keep the  
tire pressure in the drive tires between 18 and 24  
psi. Higher pressures will cause the tires to have  
less traction which will force you to go slower and  
with less safety and give you a harder ride. Front  
Casters are equipped with non-pneumatic tires and  
do not required any air. They do not have any tread  
but should be replaced when excessively worn.  
Spring platform Adjustment  
The factory setting is both springs set at the most  
forward position. The more rearward the spring  
position, the stiffer the platform gets. Adjustment will  
be to preference of feel. The two adjustment springs  
should at all times, be positioned next to each other  
not one forward or back more than the other. To  
adjust, loosen each spring retaining bolt from the top  
just enough to slide it, then tighten with impact  
wrench. The nut may spin using hand wrench.  
NOTE, do not loosen too much, if the nut falls off,  
the foot platform will have to be removed to reinstall.  
There is an extra hole for a third spring for operators  
heavy enough to bottom out the duel spring stock  
set up.  
Height-of-Cut  
Before adjusting the height-of-cut be sure the mower  
blades are not spinning, and all four tires have  
proper air pressure. Check for even tire wear. The  
height-of-cut can be adjusted the following ways:  
• Pull the deck lift lever on the right hand side of the  
mower towards the rear of the mower until it clicks  
once into the locked transport position. Then set  
the mower blade height with the selector pin on  
the left hand side of the mower. Once the proper  
height setting is set on the left, pull back on the  
deck lift lever on the right hand side and then  
lower the lever towards the front of the machine  
until it stops at the set height of cut.  
Oil Cooler Screen Removal and Cleaning  
Your Stander ZK is equipped with an oil cooler, the oil  
cooler debris screen will need to be cleaned several  
times a day. Clean more often in bush hog  
conditions. To clean, “STOP ENGINE” lift thigh pad  
for access, either wipe screen or remove screen for  
cleaning. To remove screen, lift and rotate spring  
locks to free the screen. The screen is bowed to  
prevent a rattle and should be installed hump down,  
like a “U”. Using compressed air or water to clean  
may or may not be necessary.  
Deck Adjustments  
The mower deck can be adjusted for pitch and side-  
to-side lever. Pitch is the relationship between the  
front of the deck and the rear of the deck in regards  
to height of cut. In most cases, a positive pitch (front  
of the deck lower than the rear of the deck) of ¼” is  
the optimum setting. These two adjustments can  
easily be made by using the deck lift rod assemblies  
attached to the front deck arms and the threaded  
deck hangers located at the rear of the deck frame.  
These hangers are connected to the chains that  
Oil Cooler Removal and Cleaning  
Clean oil cooler weekly. Clean more often in dry  
conditions. To remove oil cooler for a thorough  
cleaning “STOP ENGINE”, lift thigh pad for access.  
Loosen knob as far as necessary to slide the cooler  
back about 3/8 – 1/2" and then lift up and out. (The  
cooler knob does not need to be removed) Watch  
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cooler hoses so they do not snap pump fans. The  
debris screen should be removed before blowing  
cooler out from the bottom. When reinstalling the  
cooler, make sure the cooler hoses do not interfere  
with the fans and ensure the cooler housing is secure  
under the four tab points of the cooler bracket.  
Tighten knob securely.  
Vent /  
Purge  
To  
Tank  
Dust Filter  
How to Move the Mower if the Engine Won’t  
Start  
Rotate both of the manual “release” valve levers on  
the rear of each hydraulic pump about ½ turn  
counterclockwise. It is important not to over tighten  
these levers. Damage may occur to the pump if this  
valve is over tightened.  
Cleaning the Mower  
The underside of the mower deck should be  
checked and cleaned twice daily, and more often if  
the grass being mowed is lush or wet. The entire  
mower should be cleaned daily at the end of the  
work day. Cleaning should be done with a leaf  
blower or low-pressure compressed air. Wash with  
water only when necessary and do not use a  
pressure washer or nozzle as the water can enter  
electrical connections causing an electrical short,  
rust and corrosion. When washing with water, do so  
when the unit has cooled down. Washing a hot  
machine can cause various unseen system damage.  
If water is used for cleaning, immediately dry it with a  
leaf blower or low-pressure compressed air. Once  
the wash is complete, always lubricate and grease  
all applicable areas.  
Bleeding Air from the Hydraulic System  
Whenever servicing the hydraulic system, it is of  
the utmost importance to keep any dirt or debris  
from getting into the system. When any of the  
hydraulic parts are disconnected or removed or  
when the oil is changed, air must be bled from the  
system. If air is entrained in the system, loss of  
power, excessive heat, and damage to the hydraulic  
pumps may occur. First, make sure the oil level in  
the reservoir is correct. The level should be  
between 2” – 2 1/2” below the top of the oil fill tube.  
Use fully synthetic oil: Mobil 1 15W-50. Lift the  
mower so that the rear wheels are off the ground.  
Be careful to support the mower so that it will not fall  
or tip while the system is bled of air. With the  
bypass valves open and the engine running, slowly  
move the control levers back and forth five or six  
times. Now close the bypass valves and with the  
engine running, slowly move the control levers back  
and forth five or six times. It may be necessary to  
repeat the above steps until all the air is purged and  
the rear wheels are turning at normal speed. After  
purging is complete, adjust the oil level in the  
reservoir if necessary.  
Battery Service  
The battery is 12 volts and is a maintenance free  
battery. Charge the battery only if it will not start the  
mower properly. Remove the battery from the  
mower before charging. Follow the instructions of  
the battery charger for proper and safe charging of  
the battery.  
Fuel Evaporation System  
All Wright Stander ZK’s need to have this mandatory  
feature.  
Do Not alter or remove.  
Do Not fill past the “Max Fill Level” line shown in  
figure.  
Over-filling could result in clogging the roll-over  
vent and/or contaminating the purge canister.  
The vapor canister is located under the dash.  
Inspect and clean dust filter every 500 hrs or  
annually.  
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Torque Specifications  
Thread  
Locker  
Torque  
Range (ft-lbs)  
Critical Application  
Models  
Wheel motor bolts / nuts (Securing  
motor to support)  
ZK  
N/A  
103-125  
Clutch to engine shaft  
Wheel hub to wheel motor  
Wheel lug nuts  
All Models  
Loctite 2760  
N/A  
50-55  
160-240  
80-90  
ZK, MMZ, Sentar3 (15E)  
All Models  
N/A  
Split Hub (Spindle & Drive) (Gr 8) All Models  
Blade Bolts All Models  
N/A  
13-17  
N/A  
70-80  
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Maintenance Record  
Unit  
Hours  
Date  
Maintenance/Service Performed  
Shop/Technician  
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WRIGHT MANUFACTURING, INC. POWER EQUIPMENT LIMITED WARRANTY  
THIS WARRANTY SUPERSEDES ALL PREVIOUS ON UNITS WITH A RETAIL SALES DATE ON OR AFTER 04/01/05  
Wright Manufacturing, Inc. (hereinafter: WMI) warrants to the original  
owner that the new WMI mower accompanying this document will be  
free from manufacturing defects in materials or workmanship subject to  
the following limitations and exclusions. Any part of the WMI  
commercial mower manufactured by WMI and found, in the reasonable  
judgment of WMI, to be defective in materials or workmanship, will be  
repaired or replaced by an Authorized WMI Service Dealer without  
charge for parts and (except as excluded below) labor. This Warranty  
is limited to the original Owner and the mower this document was  
provided with and is not transferable. Dealer demo units with less than  
fifty hours when first retailed shall also be covered by this limited  
warranty. Proofs of Purchase, Authorized Dealer performed Pre-  
Deliver Service and the First Eight Hour Service will be required by the  
Authorized WMI Service Dealer to substantiate any warranty claims.  
All WMI warranty work must be performed by an Authorized WMI  
Service Dealer and item must be delivered to the dealer prior to the  
expiration of the warranty period. This Warranty is limited to the  
following specified periods from the date of the original retail purchase  
for defects in materials or workmanship and will commence upon the  
date of original retail purchase. This warranty shall apply only if the  
warranty registration form has been completed and returned to Wright  
Manufacturing, Inc. within 14 days from the date of original retail  
purchase. This warranty includes only the cost of parts and labor  
(when applicable). This warranty applies only to the replacement of  
defective or otherwise warrantable WMI OEM parts being replaced  
with WMI OEM parts.  
The WMI mower, including any defective part, must be returned to an  
Authorized WMI Service Dealer within the warranty period. The  
expense of lost production time and delivering the mower to the  
Authorized WMI Service Dealer for warranty work and the expense of  
returning it to the Owner after repair will be paid for by the Owner.  
WMI’s responsibility is limited to making the required repairs and no  
claim of breach of warranty shall be cause for cancellation or  
rescission of the contract of sale of any WMI mower. This Warranty  
does not apply to any mower that was delivered to an Owner prior to  
the Pre-Delivery Service as specified in the Owner’s Manual. This  
Warranty does not apply to any mower that was shipped in a crate to  
the Owner or delivered to the Owner by non-employees of an  
Authorized Dealer. For the Owner’s protection and a valid Warranty,  
please note: WMI does not permit Authorized Dealers to make non-  
face-to-face deliveries of the mower and any who are found doing so  
are subject to immediate cancellation as Authorized Dealers. This  
Warranty does not cover any mower that has been subject to misuse,  
neglect, negligence, burning in any fire, an accident, or that has been  
operated or maintained in any way contrary to the operating and  
maintenance instructions as specified in the Owner’s Manual. The  
Warranty does not apply to any damage to the mower that is the result  
of improper maintenance, or to any mower or parts that have not been  
assembled or installed as specified in the Owner’s Manual. The  
Warranty does not cover any mower that has been altered or modified  
changing performance or durability. In addition, the Warranty does not  
extend to repairs made necessary by normal wear, or by the use of  
parts or accessories which, in the reasonable judgment of WMI, are  
either incompatible with the WMI mower or adversely affect its  
operation, performance or durability.  
All parts and components (except as noted below) – 2 years  
Belts – 90 days  
Battery – 90 days  
Engine – warranty covered by engine manufacturer and  
handled through the respective Authorized engine Dealers  
WMI reserves the right to change or improve the design of any mower  
without assuming any obligation to modify any mower previously  
manufactured.  
Exclusions:  
All other implied warranties are limited in duration to the two (2) year  
warranty period or ninety (90) days for mowers used for rental  
Any damage or deterioration due to normal use, wear and tear or  
exposure  
All filters, engine oil, hydraulic oil, tires and tubes  
Bent, fractured or broken parts occurring through impact or hard use  
Clutch: linings, anti-rotation failure or other failure due to improper  
replacement installation  
Cost of regular maintenance service, parts or adjustments  
Worn bearings (other than spindle bearings; see above)  
Worn bushings, cotters, clips, pins and retainers  
Grease fittings/zerks  
Paint, paint fading, cosmetic imperfections and steel surface  
imperfections  
purposes.  
Accordingly, any such implied warranties including  
merchantability, fitness for a particular purpose, or otherwise, are  
disclaimed in their entirety after the expiration for the appropriate two  
(2) year or ninety (90) day warranty period. WMI’s obligation under  
this Warranty is strictly limited to the repair or replacement of defective  
parts and WMI does not assume, or authorize anyone to assume for  
them, any other obligation. Some states do not allow limitations on  
how long an implied warranty lasts, so the above limitation may not  
apply.  
WMI assumes no responsibility for incidental, consequential or other  
damages including, but not limited to, expense for gasoline, expense of  
delivering the mower to an Authorized WMI Service Dealer and  
expense of returning it to the Owner, damage by fire, mechanic’s travel  
time, telephone charges, rental of a like product during the time  
warranty repairs are being performed, travel, loss or damage to  
personal property, loss of revenue, loss of use of the power equipment,  
loss of time or inconvenience. Some states do not allow the exclusion  
or limitation of incidental or consequential damages, so the above  
limitation or exclusion may not apply.  
Fabric, cushion and rubber grip wear or damage  
Cutting blades, light bulbs, fuses  
Damage due to loose pulleys on shafts  
Damage due to loose wheel hubs on tapered hydraulic motor shafts  
Fire Damage  
Abrasion or corrosion wear or damage  
Repair Parts Replaced During Original Warranty  
All Repair parts (excluding wear or otherwise excluded items) installed  
during the warranty period are warranted until the end of the respective  
original period according to the categories above except in the case  
that the respective original warranty period expires in less than ninety  
(90) days after the installation of the part(s). If this happens then the  
parts are warranted for a total of ninety (90) days from the time of their  
installation.  
This Warranty gives you specific legal rights, and you may also have  
other rights which vary from state to state.  
This Warranty applies to all WMI mowers sold in the United States of  
America and Canada.  
Rental Use  
For the location of the Authorized WMI Service Dealer nearest you  
or other information, such as, Parts Lists and Owner’s Manuals  
visit our website at: www.wrightmfg.com  
The above warranty periods are limited to maximum of ninety (90)  
days for mowers that are used for rental purposes.  
Wright Manufacturing, Inc.  
4600-X Wedgewood Blvd.  
Frederick, MD 21703  
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FEDERAL AND CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT  
YOUR WARRANTY RIGHTS AND OBLIGATIONS  
The United States Environmental Protection Agency (EPA), California Air Resources Board (CARB) and Wright  
Manufacturing, Inc. (WMI) are pleased to explain the evaporative emission control system (EECS) warranty on your 2011  
commercial mower. In the United States, new equipment that use small off-road engines must be designed, built and  
equipped to meet the Federal’s stringent evaporative emissions standards. In California, new equipment that use small off-  
road engines must be designed, built and equipped to meet the State’s stringent anti-smog standards. WMI must warrant  
the EECS on your commercial mower for the period of time listed below provided there has been no abuse, neglect or  
improper maintenance of your equipment.  
Your EECS may include parts such as the carburetor, fuel-injection system, the ignition system, catalytic converter, fuel  
tanks, fuel lines, fuel caps, valves, canisters, filters, vapor hoses, clamps, connectors, and other associated emission-related  
components.  
Where a warrantable condition exists, WMI will repair your commercial mower at no cost to you including diagnosis, parts  
and labor.  
MANUFACTURER’S WARRANTY COVERAGE:  
This evaporative emission control system is warranted for two years. If any evaporative emission-  
related part on your equipment is defective, the part will be repaired or replaced by WMI.  
OWNER’S WARRANTY RESPONSIBILITIES:  
As the commercial mower owner, you are responsible for performance of the required maintenance listed in your  
owner’s manual. WMI recommends that you retain all receipts covering maintenance on your commercial mower but  
WMI cannot deny warranty solely for the lack of receipts.  
As the commercial mower owner, you should however be aware that WMI may deny you warranty coverage if your  
commercial mower or a part has failed due to abuse, neglect, or improper maintenance or unapproved modifications.  
You are responsible for presenting your commercial mower to WMI’s distribution center or service center as soon as  
the problem exists. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30  
days. If you have a question regarding your warranty coverage, you should contact WMI’s warranty claims  
department at (301) 360-9810.  
GENERAL EMISSIONS WARRANTY COVERAGE:  
WMI warrants to the ultimate purchaser and each subsequent purchaser that the commercial mower is:  
Designed, built and equipped so as to conform with all applicable regulations; and  
Free from defects in materials and workmanship that cause the failure of a warranted part to be identical in all material  
respects to that part as described in WMI’s application for certification.  
The warranty period begins on the date the commercial mower is delivered to an ultimate purchaser or first placed into  
service. The warranty period is two years.  
Subject to certain conditions and exclusions as stated below, the warranty on emission-related parts is as follows:  
(1) Any warranted part that is not scheduled for replacement as required maintenance in the written instructions supplied, is  
warranted for the warranty period stated above. If the part fails during the period of warranty coverage, the part will be  
repaired or replaced by WMI according to subsection (4) below. Any such part repaired or replaced under warranty will be  
warranted for the remainder of the period.  
(2) Any warranted part that is scheduled only for regular inspection in the written instructions supplied is warranted for the  
warranty period stated above. Any such part repaired or replaced under warranty will be warranted for the remaining warranty  
period.  
(3) Any warranted part that is scheduled for replacement as required maintenance in the written instructions supplied is  
warranted for the period of time before the first scheduled replacement date for that part. If the part fails before the first  
scheduled replacement, the part will be repaired or replaced by WMI according to subsection (4) below. Any such part  
repaired or replaced under warranty will be warranted for the remainder of the period prior to the first scheduled replacement  
point for the part.  
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(4) Repair or replacement of any warranted part under the warranty provisions herein must be performed at a warranty station  
at no charge to the owner.  
(5) Notwithstanding the provisions herein, warranty services or repairs will be provided at all of our distribution centers that are  
franchised to service the subject engines or equipment.  
(6) The commercial mower owner will not be charged for diagnostic labor that is directly associated with diagnosis of a  
defective, emission-related warranted part, provided that such diagnostic work is performed at a warranty station.  
(7) WMI is liable for damages to other engine or equipment components proximately caused by a failure under warranty of  
any warranted part.  
(8) Throughout the commercial mower warranty period stated above, WMI will maintain a supply of warranted parts sufficient  
to meet the expected demand for such parts.  
(9) Any replacement part may be used in the performance of any warranty maintenance or repairs and must be provided  
without charge to the owner. Such use will not reduce the warranty obligations of WMI.  
(10) Add-on or modified parts that are not exempted by the Air Resources Board may not be used. The use of any non-  
exempted add-on or modified parts by the ultimate purchaser will be grounds for disallowing a warranty claims. WMI will not  
be liable to warrant failures of warranted parts caused by the use of a non-exempted add-on or modified part.  
WARRANTED PARTS:  
The repair or replacement of any warranted part otherwise eligible for warranty coverage may be excluded from such warranty  
coverage if WMI demonstrates that the commercial mower has been abused, neglected, or improperly maintained, and that  
such abuse, neglect, or improper maintenance was the direct cause of the need for repair or replacement of the part. That  
notwithstanding, any adjustment of a component that has a factory installed, and properly operating, adjustment limiting  
device is still eligible for warranty coverage. The following emission warranty parts listed below are covered:  
(1)  
(2)  
(3)  
(4)  
(5)  
(6)  
(7)  
(8)  
(9)  
(10)  
Fuel Tank  
Fuel Cap  
Fuel Valve  
Fuel Line  
Fuel Line Fittings  
Fuel Line Clamps  
Vapor Hoses  
Carbon Canister  
Carbon Canister Mounting Brackets  
Carburetor Purge Port Connector  
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Notes:  
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Notes:  
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4600X Wedgewood Blvd  
Frederick, MD 21703  
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