Gravely Lawn Mower 990018 990020 User Guide

Promaster 144Z / 148Z / 152Z / 160Z  
Owner/Operator Manual  
Models  
992042 19HP-144Z  
992043 21HP-148Z  
992044 23HP-152Z  
992051 23HP-160Z  
992054 25HP-152Z  
992055 25HP-160Z  
992310 19HP-144Z  
992311 21HP-148Z  
US Patent 6,301,864  
ENGLISH  
FRANÇAIS  
ESPAÑOL  
08498100C 2/03  
Supercedes 08498100,A,B  
Printed in USA  
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Stated Sound Power Levels are established following Annex VIII Full Quality Assuranceof directive 2000/14/EC.  
Les déclarations de niveau de puissance acoustique sont établies conformément à lArticle VIII « Assurance  
qualité totale » de la directive 2000/14/EC.  
Die angegebenen Geräuschpegel wurden gemäß Anhang VIII Totales Qualitäts-Managementder EU-Richtlinie  
2000/14/EC.  
Gespeciceerde geluidssterkteniveaus zijn vastgesteld aan de hand van Annex VIII Full Quality Assurance”  
(Volledige kwaliteitsborging) van richtlijn 2000/14/EG.  
I livelli di potenza sonora dichiarati sono rilevati in base allAppendice VIII del Controllo qualità totaledella direttiva  
CE/2000/14.  
Los niveles de potencia acústica se establecen siguiendo el Anexo VIII Garantía de calidad totalde la directiva  
2000/14/EC.  
De anførte lydstyrkeniveauer er fastlagte efter tillæg VIII Fuld kvalitets sikringi direktiv 2000/14/EF.  
Lydeffektnivåene er fastsatt etter tillegg VIII Full kvalitetssikringi direktivet 2000/14/EF.  
Fastställda ljudnivåer har etablerats enligt bilaga VIII Full kvalitetssäkringi direktiv 2000/14/EC.  
Notied Body –  
SNCH/TUV Rheinland  
11, Route de Luxembourg  
L-5230 Sandweiler  
Entité notifiée Benachrichtigte  
Körperschaft Certiceringsinstantie  
Organismo noticato Cuerpo  
noticado Bekendtgjort til Kunngjøring  
til Underrättad myndighet –  
Keeper of Technical File- Tim Peter  
Dépositaire du chier technique - Verwalter der Product Team Leader  
technischen Dokumente - Houder technische  
Chef d’équipe de produit - Produktteam-Leiter - Teamleider  
Product - Capo team produttivo - Jefe del equipo del producto  
- Produktansvarlig - Produktansvarlig - Produktledare  
gegevens - Depositario del le tecnico -  
Depositario del archivo técnico - Ansvarlig for  
teknisk data - Ansvarlig for teknisk  
dokumentasjon - Innehavare of teknisk l -  
Signature/Unterschrift/  
Handtekening/Firma/U  
nderskrift/Underskrift  
11/22/02  
Date/Datum/Data/  
Fecha/Dato/Päiväys  
Handlekening/Unders  
Philip J. Smucker  
krift/Allekirjoitus  
Manager of Product Conformance  
Position/Qualité/Functie/Qualica/Puesto/Stilling/Titel/Arvo  
Ariens Company  
WARNING  
The engine exhaust from this product  
contains chemicals known to the State  
of California to cause cancer, birth  
defects or other reproductive harm.  
3
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CONTROLS AND FEATURES  
ENGLISH  
1. Choke Control  
2. Throttle Lever  
3. Wing Knob  
4. Hydraulic Oil Reservoir  
5. Fuel Tanks and Caps  
6. Steering Levers  
7. Battery  
8. Mower Lift Lever  
9. Fuel Shut Off Valve  
10. Mower Deck with Chute  
Deector  
11. Cylinder Stops  
12. Height of Cut Indicator  
13. Foot Board Latch  
14. Cylinder Stop Storage Post  
15. Parking Brake  
16. Seat Adjustment Lever  
17. Power Take Off (PTO) Switch  
18. Ignition Switch  
19. Hour Meter  
20. Oil Pressure Indicator  
FRANÇAIS  
1. Starter  
2. Manette des gaz  
3. Molette  
4. Réservoir dhuile hydraulique  
5. Réservoirs de carburant et  
bouchons  
6. Leviers de direction  
7. Batterie  
8. Levier de relevage de la  
tondeuse  
OF3312  
Figure 1  
9. Robinet de carburant  
10. Carter de coupe avec déflecteur  
11. Butées de vérin  
12. Indicateur de hauteur de coupe  
13. Attache du repose-pied  
14. Montant de remisage de butées de  
vérin  
15. Frein de stationnement  
16. Levier de réglage du siège  
17. Contacteur de régime de la PdF  
18. Contacteur de démarrage  
19. Compteur horaire  
20. Indicateur de pression d'huile  
ESPAÑOL  
1. Control de aire  
2. Palanca de ralentí  
3. Perilla de mariposa  
4. Depósito de aceite hidráulico  
5. Tapas y depósitos de combustible  
6. Palancas de dirección  
7. Batería  
8. Palanca de elevación del cortacésped  
9. Válvula de cierre de combustible  
10. Plataforma de corte  
11. Topes de cilindro  
12. Altura del indicador de corte  
13. Traba de la plataforma de pie  
14. Poste de almacenamiento del tope del  
cilindro  
15. Freno de estacionamiento  
16. Palanca de ajuste del asiento  
17. Interruptor de la toma de fuerza (TDF)  
18. Interruptor de encendido  
19. Horómetro  
20. Indicador de la presión del aceite  
4
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TABLE OF CONTENTS  
Controls and Features . . . . . . . . . . . . . . . . . . . . . 4  
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23  
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . 25  
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26  
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . 15  
Service and Adjustments . . . . . . . . . . . . . . . . . . 16  
INTRODUCTION  
THE MANUAL  
PRODUCT REGISTRATION  
Before operation of unit, carefully and completely read  
your manuals. The contents will provide you with an  
understanding of safety instructions and controls during  
normal operation and maintenance.  
The Gravely dealer must register the product at the time  
of purchase. Registering the product will help the  
company process warranty claims or contact you with the  
latest service information. All claims meeting  
requirements during the limited warranty period will be  
honored, whether or not the product registration card is  
returned. Keep a proof of purchase if you do not register  
your unit.  
All reference to left, right, front, or rear are given from  
operator sitting in the operation position and facing the  
direction of forward travel.  
SERVICE AND REPLACEMENT PARTS  
Customer Note: If Dealer does not register your product,  
please ll out, sign and return the product registration  
card to Gravely.  
When ordering publications,  
Transfer  
replacement parts, or making service  
model &  
inquiries, know the Model and Serial  
serial  
UNAUTHORIZED REPLACEMENT PARTS  
numbers of your unit and engine.  
number  
Use only Gravely replacement parts. The replacement of  
any part on this equipment with anything other than a  
Gravely authorized replacement part may adversely  
affect the performance, durability, and safety of this unit  
and may void the warranty. Gravely disclaims liability for  
any claims or damages, whether regarding warranty,  
property damage, personal injury or death arising out of  
the use of unauthorized replacement parts.  
Numbers are located on the product  
registration form in theliterature package.  
They are printed on a serial number  
label, located on the frame of your unit  
label from  
product  
registration  
here.  
NOTE: To locate your nearest Gravely Dealer, call  
DISCLAIMER  
Gravely reserves the right to discontinue, change, and  
improve its products at any time without public notice or  
obligation to the purchaser. The descriptions and  
specications contained in this manual were in effect at  
printing. Equipment described within this manual may be  
optional. Some illustrations may not be applicable to your  
unit.  
Serial Number Label  
Figure 2  
OF1611  
Record Unit Model and Serial numbers here.  
DEALER DELIVERY  
Dealer should:  
1. Test brakes after tractor is assembled to be sure  
adjustment has not been disturbed in shipment  
Record Engine Model and Serial numbers here.  
2. Check the safety interlock system to make sure that  
it is functioning properly. With operator on seat, unit  
must not start unless steering levers are in neutral  
Copyright 2003 Ariens Company  
GB - 5  
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(N) and Power Takeoff (PTO) is disengaged (Off).  
Engine must stop if operator leaves seat when  
steering levers are in any drive position or PTO is  
Discuss and emphasize the Safety Precautions.  
Give customer Owner/Operator, Parts, and Engine  
Manuals. Advise customer to thoroughly read and  
understand them.  
Customer Note:Your Dealer has been provided  
complete setup and preparation instructions which must  
be completed prior to you taking delivery of this unit. The  
dealer is required to review important information in this  
manual with you before or upon delivery of the unit or  
attachment.  
3. Fill out Original Purchaser Registration Card and  
return the card to Gravely.  
4. Explain Gravely Limited Warranty Policy.  
5. Explain recommended lubrication and  
maintenance. Advise customer on adjustments.  
Instruct customer on controls and operation of unit.  
SAFETY  
WARNING: This cutting machine is capable of  
amputating hands and feet and throwing  
objects. Failure to observe the safety  
WARNING: POTENTIALLY HAZARDOUS  
SITUATION! If not avoided, COULD RESULT in  
death or serious injury.  
instructions in the manuals and on decals could  
result in serious injury or death.  
CAUTION: POTENTIALLY HAZARDOUS  
SITUATION! If not avoided, MAY RESULT in  
minor or moderate injury. It may also be used to  
alert against unsafe practices.  
Slopes are a major factor related to  
loss-of-control and tip-over accidents. Operation  
on all slopes requires extra caution.  
Tragic accidents can occur if the operator is not  
alert to the presence of children. Never assume  
that children will remain where you last saw  
them.  
NOTATIONS  
NOTE: General reference information for proper opera-  
tion and maintenance practices.  
Gasoline is extremely ammable and the vapors  
are explosive, handle with care.  
IMPORTANT: Specic procedures or information  
required to prevent damage to unit or attachment.  
Disengage attachment, stop unit and engine,  
remove key, engage parking brake, and allow  
moving parts to stop before leaving operators  
position.  
PRACTICES AND LAWS  
Practice usual and customary safe working precautions,  
for the benet of yourself and others. Understand and  
follow all safety messages. Be alert to unsafe conditions  
and the possibility of minor, moderate, or serious injury or  
death. Learn applicable rules and laws in your area,  
including those that may restrict the age of the operator.  
SAFETY ALERT SYMBOL  
These are safety alert symbols. They  
mean:  
ATTENTION!  
REQUIRED OPERATOR TRAINING  
OL1253  
YOUR SAFETY IS INVOLVED!  
Original purchaser of this unit was instructed by the seller  
on safe and proper operation. If unit is to be used by  
someone other than original purchaser (loaned, rented or  
sold), ALWAYS provide this manual and any needed  
safety training before operation.  
When you see this symbol:  
BECOME ALERT!  
•OBEY THE MESSAGE!  
OL3900  
SIGNAL WORDS  
The safety alert symbols above and signal words below  
are used on decals and in this manual.  
Read and understand all safety messages.  
DANGER: IMMINENTLY HAZARDOUS  
SITUATION! If not avoided, WILL RESULT in  
death or serious injury.  
GB - 6  
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SAFETY DECALS AND LOCATIONS  
ALWAYS replace missing or damaged Safety Decals.  
Refer to Figure 3 for Safety Decal locations.  
DANGER / PELIGRO  
Risque de blessures - ne pas sapprocher des pièces en  
7
Avoid injury - Stay clear of rotating parts.  
3
DANGER/PELIGRO  
mouvement.  
Evitar lesiones - Mantenerse alejado de las piezas giratorias.  
6
1
07731400D  
5
DANGER / PELIGRO  
077560  
17  
MAX  
TO AVOID SERIOUS INJURY OR DEATH  
Read the operator's manual.  
If machine stops going uphill, stop blade and  
Keep children and others away from unit while  
operating.  
back down slowly.  
Avoid sudden turns.  
Keep safety devices (guards, shields, switches,  
etc.) in place and working.  
Check interlock system per manual before use.  
Understand location and function of all controls.  
Never allow operation by untrained persons.  
4
Never direct discharge toward other people.  
Thrown objects can cause injury.  
Look down and behind before and while backing.  
Never carry children.  
WARNING/AVERTISSEMENT/ADVERTENCIA  
Go up and down slopes, not across.  
Do not operate mower Ne jamais utiliser No operar segadora  
unless guards are in la tondeuse sans menos que las defensas  
operating position or protecteur sur le esten en posicion de  
bagger is attached. canal d'ejection ou operacion el  
sans le bac monte. recogedor este fijo.  
a
POUR EVITER LES BLESSURES GRAVES  
OU LA MORT  
PARA EVITAR DAÑOS SERIOS  
MUERTE  
O
LA  
Lire le manuel d'utilisation.  
Leer el manual del operador.  
Mantenga la unidad alejada de los niños  
personas cuando esté en funcionamiento.  
o
Éloigner les enfants et tout autre personne  
pendant le fonctionnement de la machine.  
Ne jamais décharger directement en direction  
de quelqu’un. Des particules projetées  
peuvent provoquer des blessures.  
Regardez derrière et sur les côtés lorsque  
vous reculez.  
y
otras  
07742300B  
Nunca dirija la descarga hacia otras personas,  
ya que los objetos lanzados pueden provocar  
lesiones.  
Antes  
detras.  
Nunca monten niños.  
Suba baje pendientes, no transversalmente.  
Si la maquina se detiene subiendo cuesta,  
desactive la cuchilla baje lentamente.  
Evite viradas subitas.  
y
durante retroceso mirar hacia abajo  
y
3
Ne transportez jamais d'enfant.  
DANGER/PELIGRO  
Tondez toujours de haut en bas et  
inversement jamais le long des pentes.  
y
Si la machine s'arrête en montee. Debrayez  
y
la lame et redescendez doucement.  
Evitez les virages brusques.  
Mantenga artefactos de seguridad (defensas,  
Maintenez toujours en place tous les  
elements de sécurité (protecteurs,  
interrupteurs, etc.).  
protectores, interruptores, etc.) en su lugar  
trabajando.  
y
Verifique en el manual el sistema de engranar  
antes de usar.  
Controler le bon fonctionnement du système  
de sécurité avant utilisation tel qu'indiqué  
dans le manuel d'utilisation.  
Tenga conocimiento de funciones  
y
07731400D  
localizaciones de todos los controles.  
No permitir que personal sin la necesaria  
formación use la máquina.  
Comprenez bien la fonction et la situation de  
chacun des leviers et boutons de commande.  
Ne jamais permettre l'utilisation par des  
personnes n'ayant pas reçu la formation  
nécessaire.  
05359300  
2
05359400  
OF1625  
Figure 3  
Go up and down slopes, not across.  
1. DANGER!TO AVOID SERIOUS INJURY OR  
DEATH  
DO NOT operate on slopes over 17˚.  
MAX  
17°  
Read Owner/Operator Manual.  
OL4450  
If machine stops going uphill, stop blade and back  
OL1801  
down slowly.  
Avoid sudden turns.  
Keep children and others away from unit while  
operating.  
Keep safety devices (guards, shields, switches, etc.)  
in place and working.  
Check interlock system per manual before use.  
Understand location and function of all controls.  
Never allow operation by untrained persons.  
OL4370  
Never direct discharge toward other people.  
Thrown objects can cause injury. Remove  
objects that could be thrown by the blade.  
2. PINCH POINT  
OL0910  
Avoid pinch points.  
Look down and behind before and while  
backing.  
OF3330  
OL4460  
3. DANGER! ROTATING PARTS  
Keep children out of work area and under  
watchful care of a responsible adult.  
Always keep feet and hands away from  
rotating parts.  
OL4470  
OL3030  
NEVER CARRY CHILDREN.  
OL4480  
GB - 7  
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Always stand clear of discharge area. Do not  
direct discharge toward other people.  
ALWAYS remove key and/or wire from spark plug before  
assembly. Unintentional engine start up can cause death  
or serious injury.  
Complete a walk around inspection of unit and work area  
to understand:  
OL0910  
Keep people away from unit while operating.  
Work area Your unit All safety decals  
ALWAYS check overhead and side clearances carefully  
before operation. ALWAYS be aware of trafc when  
operating along streets or curbs.  
OL3292  
Shut off engine, remove key, read manual  
before you adjust or repair unit.  
Keep children and people away.  
Keep children out of work area and under watchful care  
of a responsible adult.  
OL4010  
Keep area of operation clear of all toys, pets, and debris.  
Thrown objects can cause injury.  
NO STEP! Always keep feet away from  
rotating parts.  
Check for weak spots on docks, ramps or oors. Avoid  
uneven work areas and rough terrain. Stay alert for  
hidden hazards or trafc.  
OL4420  
DO NOT operate near drop-offs, ditches, or  
embankments. Unit can suddenly turn over if a wheel is  
over the edge of a cliff or ditch, or if an edge caves in.  
4. WARNING!  
Do not operate mower unless guards are in operating  
position or bagger is attached.  
Data indicates that operators, age 60 and above, are  
involved in a larger percentage of riding mower related  
injuries. These operators should evaluate their ability to  
operate the riding mower safely enough to protect  
themselves and others from serious injury.  
Always stand clear of discharge area.  
OL4430  
Read the entire Owner/Operator manual and other  
training material. If the operator or the mechanic cannot  
read the manual, it is the owners responsibility to explain  
it to them. Only the user can prevent and is responsible  
for accidents or injuries occurring to themselves, other  
people or property.  
Do not operate mower unless bagger is  
attached or guards are in operating position.  
OL3320  
Only trained adults may operate or service unit.  
Local regulations may restrict the age of the operator.  
Training includes actual operation.  
5. HOT SURFACES!  
DO NOT touch parts which are hot from  
operation. ALWAYS allow parts to cool.  
NEVER allow children to operate or play on or near unit.  
Be alert and shut off unit if children enter area.  
OS0731  
NEVER operate unit after or during the use of  
medication, drugs or alcohol. Safe operation requires  
your complete and unimpaired attention at all times.  
6. ROTATING PARTS  
AVOID INJURY. Stay clear of rotating parts.  
DO NOT wear loose clothing or jewelry and tie back hair  
that may get caught in rotating parts.  
OF3450  
Wear adequate outer garments.  
NEVER wear open sandals or canvas shoes during  
operation. Wear adequate safety gear, protective gloves  
and footwear.  
7. DANGER!  
AVOID INJURY. Stay clear of rotating parts.  
Wear proper footwear to improve footing on slippery  
surfaces.  
OL4730  
Always wear safety goggles or safety glasses with side  
shields when operating mower.  
SAFETY RULES  
Read, understand, and follow all safety practices in  
Owner/Operator Manual before beginning assembly.  
Failure to follow instructions could result in personal  
injury and/or damage to unit.  
Moving parts can cut or amputate ngers or a hand.  
Wrap blade(s) or wear gloves to service. On multiblade  
mowers, rotation of one blade will cause all blades to  
rotate.  
GB - 8  
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NEVER place your hands or any part of your body or  
clothing inside or near any moving part while unit is  
running.  
DO NOT operate at too fast a rate. DO NOT change  
engine governor settings or over-speed engine. Slow  
down before turning.  
ALWAYS keep hands and feet away from all rotating  
parts during operation. Rotating parts can cut off body  
parts.  
DO NOT operate in reverse unless absolutely necessary.  
ALWAYS look down and behind before and while  
backing.  
ALWAYS keep body and hands away from pin holes or  
nozzles which eject hydraulic uid under pressure.  
If equipment vibrates abnormally, stop engine at once,  
wait for moving parts to stop and remove wire from spark  
plug. Repair any damage before restarting unit.  
DO NOT touch parts which are hot. Allow parts to cool.  
ALWAYS keep hands and feet away from all pinch points.  
Take all possible precautions when leaving unit  
unattended. Shut off engine. Remove wire from spark  
plug and secure it away from spark plug.  
Fumes from the engine exhaust can cause death or  
serious injury. DO NOT run engine in an enclosed area.  
Always provide good ventilation.  
ALWAYS remove key to prevent unauthorized use.  
Know the weight of loads. Limit loads to those you can  
safely control and the unit can safely handle.  
Read, understand, and follow all instructions in the  
manual and on the machine before starting.  
Disengage PTO when attachment is not in use. ALWAYS  
turn off power to attachment when travelling, crossing  
driveways, etc.  
Understand:  
How to operate all controls  
The functions of all controls  
How to STOP in an Emergency  
Braking and steering characteristics  
Turning radius and clearances  
Mow up and down slopes, not across them.  
DO NOT operate on slopes of more than 17 degrees.  
Use of a Rollover Protection System (ROPS) is  
recommended for slope operation. See Attachments and  
Accessories.  
Keep safety devices or guards in place and functioning  
properly. NEVER modify or remove safety devices.  
Always wear a seat belt when operating unit using a  
Rollover Protection System (ROPS).  
Ensure Safety Interlock System is functioning properly.  
DO NOT operate unit if safety interlock is damaged or  
disabled.  
Keep all movements on the slope slow and gradual. Do  
not make sudden changes in speed or direction.  
Start and operate unit only when seated in operators  
position. Steering control levers must be in neutral, PTO  
disengaged and parking brake set when starting engine.  
Avoid starting or stopping on the slope. If tires lose  
traction, disengage the blades and proceed slowly  
straight down the slope.  
Use care when approaching blind corners, shrubs, trees  
or other objects that may obscure vision.  
If you cannot back up a slope or you feel uneasy on it, do  
not mow it.  
Dust, smoke, fog, etc. can reduce vision and cause an  
accident. Mow only in daylight or good articial light.  
DO NOT park on slopes unless necessary.When parking  
on slope always chock or block wheels. Always engage  
parking brake.  
Avoid slippery surfaces. Always be sure of your footing.  
DO NOT mow on wet grass. Reduced traction could  
cause sliding and effect the machines stability.  
Use a slow speed.Tires may lose traction on slopes even  
though the brakes are functioning properly.  
Watch for trafc when operating near or crossing  
Do not bypass transmission when on a slope.  
roadways.  
Use extra care when loading or unloading unit onto trailer  
or truck.  
Never carry passengers.  
DO NOT try to stabilize the machine by putting your foot  
on the ground.  
Secure unit chassis to transport vehicle. NEVER secure  
from rods or linkages that could be damaged.  
Never direct discharge towards persons or property that  
may be injured or damaged by thrown objects. Use  
extreme caution on gravel surfaces.  
DO NOT transport machine while engine is running.  
ALWAYS turn off power to attachment when transporting.  
Keep unit free of debris. Clean up oil or fuel spills.  
Always stand clear of the discharge area.  
This product is equipped with an internal combustion  
type engine. DO NOT use unit on or near any  
unimproved, forest-covered or brush covered land unless  
exhaust system is equipped with a spark arrester  
meeting applicable local, state or federal laws. A spark  
arrester, if it is used, must be maintained in effective  
working order by operator.  
ALWAYS disengage PTO, stop unit and engine, remove  
key, engage parking brake and allow moving parts to stop  
before leaving operators position.  
Never engage PTO while raising attachment or when  
attachment is in raised position.  
GB - 9  
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Fuel is highly ammable and its vapors are explosive.  
Handle with care. Use an approved fuel container.  
ALWAYS block wheels and know all jack stands are  
strong and secure and will hold weight of unit during  
maintenance.  
NO smoking, NO sparks, NO ames. ALWAYS allow  
engine to cool before servicing.  
Release pressure slowly from components with stored  
energy.  
NEVER ll fuel tank when engine is running or hot from  
operation.  
Keep nuts and bolts tight, especially blade attachment  
bolts, and keep equipment in good condition.  
NEVER ll or drain fuel tank indoors.  
NEVER attempt to make any adjustments to unit while  
engine is running (except where specically  
recommended). Stop engine, remove key or spark plug  
wire and wait for all moving parts to stop before servicing  
or cleaning.  
Replace fuel cap securely and clean up spilled fuel.  
Never ll containers inside a vehicle or on a truck or  
trailer bed with a plastic liner. Always place containers on  
the ground away from your vehicle before lling.  
When practical, remove gas-powered equipment from  
the truck or trailer and refuel it on the ground. If this is not  
possible, then refuel such equipment on a trailer with a  
portable container, rather than from a gasoline dispenser  
nozzle.  
Check parking brake operation frequently. Adjust and  
service as required.  
ALWAYS maintain unit in safe operating condition.  
Damaged or worn out mufer can cause re or explosion.  
NO smoking, NO sparks, NO ames. ALWAYS allow  
engine to cool before servicing.  
Keep the nozzle in contact with the rim of the fuel tank or  
container opening at all times until fueling is complete.  
Do not use a nozzle lock-open device.  
Maintain or replace safety and instructions labels, as  
necessary.  
If fuel is spilled on clothing, change clothing immediately.  
NEVER store unit with fuel in fuel tank, inside a building  
where any ignition sources are present.  
Avoid Electric Shock. Objects contacting both battery  
terminals at the same time may result in injury and unit  
damage. DO NOT reverse battery connections.  
Shut off fuel and allow engine to cool completely before  
storing in closed area or covering unit.  
Explosive Gases from battery can cause death or serious  
injury. Poisonous battery uid contains sulfuric acid and  
its contact with skin, eyes or clothing can cause severe  
chemical burns.  
Clean grass and debris from unit, especially from around  
mufer and engine, to help prevent res.  
For extended storage, shut off fuel and clean unit  
thoroughly. See engine manual for proper storage.  
No ames, No sparks, No smoking near battery.  
ALWAYS wear safety glasses and protective gear near  
battery.  
Lower cutting deck unless a positive mechanical lock is  
used.  
DO NOT TIP battery beyond a 45˚ angle in any direction.  
Use only attachments or accessories designed for your  
unit.  
ALWAYS keep batteries out of reach of children.  
Check attachment components frequently. If worn or  
damaged, replace with manufacturers recommended  
parts.  
Battery posts, terminals and related accessories contain  
lead and lead compounds, chemicals known to the State  
of California to cause cancer and reproductive harm.  
Wash hands after handling.  
GB - 10  
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ASSEMBLY  
WARNING: AVOID INJURY. Read and  
understand entire Safety section before  
proceeding.  
WARNING: Discharge chute must pivot freely.  
DO NOT over tighten the pivot bolts.  
8. Fill Engine Fuel Tank - Add clean fuel to the fuel  
tank.  
UNIT ASSEMBLY  
IMPORTANT: Refer to Engine Manual for fuel type.  
Package Contents:  
Unit, Mower Deck and Literature Pack  
9. Hardware - Check for loose hardware.  
10. Check Safety Interlock System - Check to see that  
the interlock system operates correctly (See Safety  
Preparation Checklist  
Refer to the Owner/Operator manual as required.  
1. Unpack Unit - Remove shrink wrap and packaging  
materials.  
WARNING: FAILURE OF INTERLOCK together  
with improper operation can result in severe  
personal injury.  
2. Remove Unit From Container - Open Bypass Valves  
11. Lubrication - Lubricate all ttings per maintenance  
label under seat and check hydrostat oil level (See  
Push unit from container onto a level surface. Close  
the dump valves.  
3. Tires - Adjust tire pressure for front tires; 20-25 PSI  
(138-172 kN/m2), rear tires; 12-15 PSI  
(83-103 kN/m2).  
12. Level Deck - Check unit to assure deck level set at  
13. Check Function of all Controls - Ensure unit runs  
and performs properly.  
4. Position Steering Levers - Remove bolts and  
spacers from steering rod. Flip the steering levers  
into operating position. Reinstall spacers, bolts and  
nuts. Tighten hardware securely. See Figure 4.  
WARNING: FAILURE OF CONTROLS could  
result in death or serious injury.  
OF3141  
1. Steering Lever in  
Shipping Position  
3. Steering Lever in  
Operation Position  
2. Spacers and  
Hardware  
Figure 4  
5. Battery - Remove battery from unit and charge (See  
6. Check Engine Crankcase - Check and add oil if  
needed. See Engine Manual for specications.  
7. 60" Decks - Remove, reverse, and reinstall  
discharge chute and mounting bracket.  
GB - 11  
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OPERATION  
B. For straight forward travel, push both steering control  
WARNING: AVOID INJURY. Read and  
understand entire Safety section before  
proceeding.  
levers forward.  
C. To turn left, pull the left back or push the right  
steering control lever forward or a combination of  
both.  
CONTROLS AND FEATURES  
See Figure 1 for Controls and Features locations.  
D. To turn right, pull the right back or push the left  
steering control lever forward or a combination of  
both.  
Safety Interlock System  
To stop, return both steering levers to neutral.  
NOTE: The steering controls are mechanically locked in  
neutral whenever the parking brake is engaged.  
WARNING: Safety interlock system failure and  
improper operation of unit can result in death or  
serious injury. Test this system each time the  
unit is operated. If this system does not function  
as described, do not operate until repairs are  
made.  
NOTE: Aggressive turning can scuff or damage lawns.  
ALWAYS keep both wheels rotating when making sharp  
turns. DO NOT make turns with inside wheel completely  
stopped. To obtain minimum turning radius, slowly  
reverse inside wheel while moving outside wheel slowly  
forward.  
Perform the following tests to ensure the safety interlock  
system is working properly. If the unit does not perform  
as stated, contact your Gravely dealer for repairs.  
Ignition Switch  
1
NOTE: When the parking brake is engaged, the steering  
levers are locked in neutral.  
Operate the ignition switch with the  
removable key. The switch has three  
positions: Off (1), On (2) and Start (3). To  
start the engine, turn the key to Start, then  
release to On.To stop the engine, turn the  
key to Off.  
2
Test Steering PTO  
Levers  
Parking  
Brake  
Engine  
3
OF1750  
STARTING INTERLOCK  
1
2
3
Neutral  
Neutral  
Neutral  
Off  
On  
Off  
Engaged  
Engaged  
Disengaged Doesnt Start  
Starts  
Doesnt Start  
Choke Control  
Push the choke lever forward to start a  
cold engine. Pull the choke lever to the  
rear when the engine gets warm.  
OPERATING INTERLOCK (ENGINE ON)  
4*  
5*  
Neutral  
Neutral  
On  
Off  
Engaged  
Disengaged  
Shuts Off  
Shuts Off  
Throttle Lever  
* Operator lifts off seat.  
1
The throttle lever changes the engine  
speed. Move the throttle lever to Fast (1)  
to increase engine speed. Move the lever  
to Slow (2) to decrease engine speed.  
Parking Brake Interlock System  
With the parking brake engaged, the steering levers must  
be locked in neutral.  
With the parking brake disengaged, the engine must not  
start and the engine must shut off if the operator leaves  
the seat.  
Steering Levers  
B
A
2
OF1700  
Power Take Off (PTO) Switch  
ON  
Power take off (PTO) switch engages and  
disengages the mower blades.  
D
C
Pull the power take off (PTO) switch to  
"On" position to engage mower blades.  
077348A  
Push the power take off (PTO) switch to  
"Off" position to disengage mower blades.  
The steering levers control speed and direction. In  
addition, they will stop the unit.  
OE0261  
OFF  
A. For reverse travel, pull both steering control levers  
backward.  
GB - 12  
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NOTE: The engine will not start unless the steering con-  
trol levers are in the neutral position, the PTO switch is in  
the Offposition and parking brake is set.  
Hour Meter  
Records total number of hours the engine  
has been run.  
IMPORTANT: Keep a record of Hour  
Meter readings for recommended  
Lubrication and Maintenance intervals.  
Mower Lift Lever  
Use the mower lift lever, located on the left  
side of tractor, to raise and lower the  
mower deck.  
NOTE: For accurate readings be sure Ignition Switch is  
OFF when unit is not in operation.  
Pull the lever rearward to raise or push the  
lever forward to lower the mower deck.  
FILLING FUEL TANK  
Release lever to hold the mower deck in  
selected position.  
WARNING: AVOID INJURY. Read and  
understand entire Safety section before  
proceeding.  
The cutting height indicator on the right lift  
cylinder shows the approximate cutting  
height in inches.  
OF1700  
Cylinder Stops  
Add fuel to Fuel Tank as needed. See your Engine  
Manual for correct type and grade of fuel.  
The cylinder stops ensure the same cutting height after  
raising the deck to clear an obstacle. Store the stops on  
the post behind the hydraulic lift cylinder.The stops come  
in two (2) sizes, 1/4" (.64 cm) and 1/2" (1.27 cm).  
To add fuel to the fuel tank:  
1. Place unit in an open or well-ventilated open area.  
2. Stop the engine.  
1. Remove the cylinder stops from the post and snap  
onto the lift cylinder rod.  
3. Clean the fuel cap and the area around the fuel cap  
to prevent dirt from entering the fuel tank. Remove  
the cap from the fuel tank.  
2. Push the lift lever forward until the cylinder rests  
against the cylinder stops.  
4. Fill the fuel tank to within 1" (25 mm) below bottom  
Fuel Shut-Off Valve  
of ller neck.  
Use this valve to control fuel ow from  
left or right fuel tank.  
5. Replace fuel cap and tighten.  
6. Clean up any spilled fuel.  
OFF  
LEFT  
TANK  
RIGHT  
TANK  
Open the valve to operate the engine.  
Turn the valve to "Off" when storing or  
transporting the unit.  
OF1881  
PRE-START  
CAUTION: Make sure all hardware is tight, all  
safety devices in place and all adjustments  
made correctly.  
Parking Brake Lever  
1. Pull lever up to engage parking brake.  
2. Push lever down to disengage parking  
brake.  
1. Check Safety Interlock System  
If this system does not function as described do not  
operate until repairs are made.  
OF1740  
Seat Adjustments  
2. Check Air Cleaner  
Check air lter for dirt. Clean as required. Follow Engine  
Manual Maintenance Schedule.  
WARNING: Make all seat adjustments with unit  
stationary, parking brake on and engine shut off.  
3. Check Engine Fuel and Crankcase Oil  
To adjust seat forward or backward:  
Check and add fuel if required. Check that engine  
crankcase oil is full. Follow Engine Manual Maintenance  
Schedule.  
1. While seated, pull seat adjustment lever outward  
and slide seat into desired position.  
2. Release lever and slide seat forward or back to lock  
seat into position.  
4. Check Tire Pressure  
5. Check Hydraulic Fluid Level  
6. Adjust Seat  
Be sure all controls can be reached safely from  
operators position.  
Engine Oil Pressure Indicator  
Indicator lights up Redif the oil pressure  
is low. Check oil level and add if  
necessary. Refer to engine manual.  
OG0601  
GB - 13  
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9. When you know how to operate the unit, select a  
speed appropriate to your mowing conditions.  
STOPPING IN AN EMERGENCY  
The unit can be stopped immediately at any time by  
turning the ignition key to the "Off" position.  
PARKING  
To park the unit:  
STARTING AND SHUT OFF  
1. Bring the steering levers to neutral. Turn off PTO.  
2. Move the throttle lever to the Slowposition.  
3. Engage the parking brake.  
4. Lower the attachment.  
CAUTION: Read entire Owner/Operator  
Manual, Clutch Manual, and Engine Manual rst.  
DO NOT attempt to start engine at this time.  
To start the engine:  
5. Turn the ignition key to the Offposition and  
1. Make sure the steering levers are in neutral.  
2. Put the PTO switch in the Offposition.  
3. Engage parking brake.  
remove the key.  
MOVING THE UNIT WITH THE ENGINE OFF  
IMPORTANT: Never tow unit.  
4. If the engine is cold, move the choke control to the  
Onposition. If the engine is warm or hot, do not  
use choke.  
1. Shut OFF engine.  
2. Place seat in the service position (See Service  
5. Move the throttle to 3/4 Fastposition. See Engine  
Manual for detailed instructions.  
3. Turn right and left bypass valve levers  
counterclockwise 1/2 turn (Figure 5).  
6. Put the ignition key in the switch and turn it to the  
Startposition.  
WARNING: Do not bypass transmission when  
on a slope.  
7. As soon as the engine starts, release the key.  
8. Move the choke control to the Offposition from  
the Chokeposition. Wait until the engine is  
running smoothly before operation.  
4. Disengage parking brake.  
5. Push unit to desired location.  
6. Engage parking brake.  
To stop the engine:  
1. Bring the steering levers to neutral. Disengage the  
PTO and engage the parking brake.  
7. Turn bypass valve levers clockwise 1/2 turn.  
2. Move the throttle lever to the Slowposition.  
3. Turn the ignition key to the Offposition.  
TO MOW WITH UNIT  
Operate the unit only when seated in the operators  
position.  
1. Start the engine. Let the engine warm until it is  
running smoothly.  
2. Release parking brake.  
WARNING: Move the steering control levers  
slowly and keep the throttle control lever at slow  
speed until you learn how to operate the unit.  
Front of unit  
3. Bring the steering levers to neutral.  
1. Left Bypass Valve Lever  
2. Right Bypass Valve Lever  
4. Slow the engine down to about 3/4 speed.  
5. Turn ON the PTO switch to engage the mower.  
Figure 5  
OF3371  
IMPORTANT: Never engage the PTO if the mower is  
plugged with grass or other material. This may cause  
damage to the electric clutch.  
6. Move throttle control to fast.  
7. Move the steering levers forward to obtain a slow  
ground speed.  
8. To disengage the mower, move the PTO switch to  
the Offposition.  
GB - 14  
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Mow with the engine set at full throttle.  
FOR BEST PERFORMANCE  
Cut grass when it is dry.  
When mulching, only remove 1/3 of grass length per  
cutting.  
Keep mower blades sharp.  
Discharge clippings into areas already cut.  
Vary cutting pattern with each mowing.  
Keep mower deck properly leveled.  
Adjust anti-scalp rollers to prevent scalping.  
Do not allow grass or debris to collect inside of mower  
deck. Clean after each use.  
Do not set height of cut too low. For very tall grass, mow  
twice.  
Do not travel too fast.  
MAINTENANCE SCHEDULE  
Proper maintenance can prolong the life of unit. The  
following charts show the recommended service  
schedule. More frequent service may be required due to  
working conditions (heavy loads, high ambient  
temperatures, dusty conditions, or airborne debris).  
WARNING: AVOID INJURY. Read and  
understand entire Safety section before  
proceeding.  
See the maintenance instructions in the Engine Manual  
for additional information.  
Period Service  
Task  
Check Safety Interlock  
WARNING: Safety interlock system failure and improper  
operation of unit can result in death or serious injury. Test  
this system each time the unit is operated. If this system  
does not function as described, do not operate until repairs  
Check Parking Brake Interlock System See Parking Brake Interlock System on page 12.  
Each Use  
Check Hydraulic Fluid  
Check hydraulic oil level mark on cap/dipstick. Add 15W50 Synthetic oil  
Check Tires  
See Specifications on page 25 for correct tire pressure.  
Follow Engine Manual Maintenance  
Schedule  
Perform scheduled engine maintenance. Refer to engine manual for  
detailed instructions.  
Check Mower Blades  
Check mower blades for wear. Sharpen or replace as needed. See  
Every 25  
Hours  
Lubricate Unit  
Oil all pivot points and pin connections. Grease lube ttings. See  
Every 50  
Hours  
Clean Battery  
Keep battery and its terminals clean. See Clean Battery on page 18.  
Check Fasteners  
Check mower blade mounting hardware and all other fasteners. Replace  
missing or damaged fasteners. Tighten all nuts and bolts to their correct  
torque value.  
Every 100  
Hours  
Check Belts  
Replace worn or deteriorated belts. See Replacing Mower Belts on  
Change Hydraulic Fluid and Filter  
Drain hydraulic uid tank, replace hydraulic oil lter, rell system. See  
Every 500  
Hours  
GB - 15  
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SERVICE AND ADJUSTMENTS  
Gravely Dealers will provide any service which may be  
HYDRAULIC FLUID  
required to keep your unit operating at peak efciency.  
Should engine service be required, it can be obtained  
from a Gravely Dealer or the engine manufacturers  
authorized service center.  
WARNING: HYDRAULIC FLUID can result in  
severe burns. Fluid in hydraulic system can  
penetrate skin and result in serious injury or  
death.  
WARNING: AVOID INJURY. Read and  
understand entire Safety section before  
proceeding.  
Be sure to stop the engine before doing any  
work on hydraulic parts.  
Keep body and hands away from pin holes or  
nozzles which expel hydraulic uid when under  
pressure. Use paper or cardboard, not hands, to  
search for leaks.  
CAUTION: HOT SURFACES may result in  
injury. DO NOT touch engine or drive parts  
which are hot from operation. Allow parts to cool  
before servicing.  
Ensure all hydraulic uid connections are tight  
and all hydraulic hoses and lines are in good  
condition before applying pressure to system.  
SERVICE POSITION  
FOREIGN FLUID INJECTED INTO BODY can  
result in gangrene. Fluid must be surgically  
removed within a few hours by a doctor familiar  
with this form of injury.  
1. Place unit on a at level surface. ALWAYS stop  
engine. Assure unit is secure and will not tip over.  
Strap and clamp onto lift if used.  
2. Place steering levers in neutral and engage parking  
brake.  
Check Hydraulic Fluid Level  
3. Remove wing knob.  
Remove hex nut (992310, 311).  
FULL Mark  
4. Tip seat forward (Figure 6).  
Operating  
Range  
CAUTION: Be sure footing is secure to  
accomodate weight shift of seat when rotating it  
into service position.  
OE0380  
1. Shut OFF engine. Engage parking brake. Remove  
the ignition key.  
5. When service is complete, lower seat and secure  
with wing knob or hex nut.  
2. Put seat in service position. See Service Position  
3. Remove any dirt that may be around the  
cap/dipstick on the hydraulic reservoir.  
4. Remove cap/dipstick.  
5. Check hydraulic oil level mark on cap/dipstick.  
6. Add 15W50 Synthetic oil as needed. Do not overll.  
Change Hydraulic Fluid and Filter  
Change the hydraulic oil lter and hydraulic oil every 500  
hours. Use Mobil 15W50 synthetic oil for best component  
life.  
1. Clean around dipstick cap and dipstick. Remove  
dipstick.  
2. Place container under oil lter to catch oil.  
3. Remove oil lter.  
OF3361  
4. Allow tank to drain.  
1. Service Position  
2. Wing Knob  
3. Steering Levers  
4. Parking Brake  
5. Battery  
5. Lubricate rubber gasket on new oil lter with clean  
hydraulic oil.  
6. Spin new oil lter onto lter housing until it makes  
contact. Tighten oil lter another 1/2 turn.  
Figure 6  
GB - 16  
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7. Add new oil to the oil tank. It will take about 4  
quarts. Use Mobil 15W50 synthetic oil for best  
pump and wheel motor life.  
DO NOT Sharpen to This Pattern  
8. Properly dispose of waste oil.  
MOWER BLADES  
Remove  
CAUTION: Use sturdy gloves or padding to  
protect hands when working with mower  
blades.  
DISCARD if More  
Than 1/2 in. (1.27 cm)  
1. Turn the engine off. Remove the ignition key.  
Remove the ignition wire from the spark plugs.  
2. Remove the bolts, lock washer, at washers, and  
blades from the spindle shafts.  
Replace  
1. Put the blades, at washers, lock washers, and the  
bolts back on the spindle shafts.  
Sharpen to This Pattern  
2. Tighten the bolts to a torque of 115-120 lbf-ft  
OT0792  
(156-162.6 Nm).  
3. Replace the ignition wire on the spark plugs.  
1. Cutting Edge  
2. Square Corner  
3. Air Lift Erosion  
4. Air Lift  
Sharpen the Mower Blades  
Figure 7  
CAUTION: DO NOT sharpen mower blades  
while on unit. An unbalanced mower blade will  
cause excessive vibration and eventual  
damage to unit. Check mower blade balance  
before reinstalling blades.  
BATTERY  
WARNING: AVOID INJURY. Read and  
understand entire Safety section before  
proceeding.  
NEVER weld or straighten bent blades.  
1. Remove mower blade from unit.  
Discard mower blade if:  
WARNING: Battery posts, terminals and related  
accessories contain lead and lead compounds,  
chemicals known to the State of California to  
cause cancer and reproductive harm. Wash  
hands after handling.  
More than 1/2 in. (1.27 cm) of metal is removed.  
Air lifts become eroded.  
Blade is bent or broken.  
2. Sharpen mower blade by removing an equal  
amount of material from each end of mower blade.  
DO NOT change angle of cutting edge or round the  
corner of the mower blade.  
Unit comes equipped with a maintenance-free battery  
that requires no regular maintenance except cleaning the  
terminals.  
3. Check mower blade balance.  
Remove Battery  
Slide mower blade on an unthreaded bolt. A  
balanced blade should remain in a horizontal  
position. If either end of mower blade moves  
downward, sharpen the heavy end until blade is  
balanced.  
1. Shut OFF engine. Enage parking brake. Remove  
the ignition key.  
2. Place seat in the service position (See  
3. Disconnect cables from battery (negative, then  
4. Install mower blade(s) on unit.  
5. Tighten the bolts to a torque of 115-120 lbf-ft  
4. Remove hold down and remove battery.  
(156-162.6 Nm).  
Replace Battery  
1. Replace battery and secure with battery hold down.  
2. Reconnect cables to battery (positive, then  
negative). Position boot over positive terminal.  
GB - 17  
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3. Return seat to operating position.  
Clean Battery  
Jump Starting Battery  
Keep battery and its terminals clean. Inspect every 100  
operating hours or monthly for best performance.  
The unit used for jump starting should have a 12 volt  
battery with at least 500 cold cranking amperes, and a  
negatively grounded system.  
NOTE: Ensure battery is not frozen. If the uid is frozen,  
remove battery from unit and allow it to thaw before  
charging.  
1. Connect the positive (+) jumper cable to the positive  
terminal of the discharged battery (Figure 8).  
2. Connect the other end of the same jumper cable to  
the positive (+) terminal of the booster battery.  
3. Connect one end of the second jumper cable to the  
negative () terminal of the booster battery.  
4. Make the nal jumper cable connection to the  
engine block or the furthest ground point away from  
the discharged battery.  
1. Negative terminal  
2. Positive terminal  
3. Battery  
Figure 8  
WARNING: Make sure cables are clear of any  
OF1671  
moving engine parts before starting engine.  
1. Remove battery from unit. See Remove Battery on  
5. Start engine (refer to Operation Section). If engine  
will not start after several tries, unit or battery may  
need service.  
2. Clean terminals and battery cable ends with wire  
brush.  
3. Coat terminals with dielectric grease or petroleum  
jelly.  
6. After engine starts, leave cables connected for one  
to two minutes.  
7. Disconnect cables in reverse order.  
8. Operate unit as normal to charge battery.  
Charging the Battery  
Battery Electrolyte First Aid  
Follow First Aid directions for contact with battery uid.  
LUBRICATE UNIT  
Apply oil at all pivot points and pin connections.  
External Contact: Flush with water.  
Eyes: Flush with water for at least 15 minutes and get  
medical attention immediately!  
Internal Contact: Drink large quantities of water.  
Follow with Milk of Magnesia, beaten egg or  
vegetable oil. Get medical attention immediately!  
1
In case of internal contact, DO NOT induce vomiting!  
IMPORTANT: DO NOT fast charge. Charging at a higher  
rate will damage or destroy battery. ONLY use an  
automatic charger designed for use with your battery.  
OF1793  
ALWAYS follow information provided on battery by  
battery manufacturer. Contact battery manufacturer for  
extensive instructions to charge battery.  
REF LUBRICATION QTY  
LOCATION  
INTERVAL  
1
REPACK  
OIL  
2
CASTER PIVOT 400 Hrs  
1. Remove battery from unit. See Remove Battery on  
ALL PIVOT  
POINTS, PIN  
CONNECTIONS  
50 Hrs  
2. Place battery on bench or other well-ventilated  
place.  
Figure 9  
3. Connect positive (+) lead of charger to positive (+)  
terminal, and negative () lead to negative ()  
terminal.  
4. Charge battery according to charger and battery  
manufacturersinstructions.  
GB - 18  
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Eliminating Excessive Creeping of the Unit  
STEERING CONTROL NEUTRAL  
ADJUSTMENT  
If the steering levers do not line up (match) or the unit has  
excessive creeping when the steering levers are in  
neutral, adjust as follows.  
WARNING: This adjustment requires operating  
the engine. Use extreme care to avoid contact  
with moving parts and hot surfaces. Be sure  
rear of unit is well supported and secure before  
starting engine.  
Adjusting the Steering Levers to Line Up  
1. Shut OFF engine. Engage parking brake. Remove  
the ignition key.  
1. If hydraulic system is cold, run unit for a minimum of  
ve minutes, then shut OFF engine.  
2. Place seat in the service position (See Service  
2. With the unit up to and facing a wall, jack the unit up  
so that both drive wheels are off the ground.  
3. Loosen damper locknut on the same side as the  
steering lever to be adjusted.  
3. Start the engine and release the parking brake.  
4. Move the steering levers from Forward to Reverse  
several times to make sure controls are free. Then  
return steering levers to neutral position.  
4. Loosen brake interlock on the same side as  
steering lever to be adjusted.  
5. Loosen tie rod jam nut and turn tie rod until steering  
levers are aligned.  
5. Check wheel(s) for movement.  
6. Shut OFF engine.  
6. Tighten jam nut on tie rod, tighten brake interlock  
and tighten damper locknut.  
NOTE: The right and left steering levers are adjusted the  
same way. To access the tie-rod, place seat in service  
7. Adjust tie-rod(s):  
If the wheel is moving in a forward direction:  
a. Loosen the jam nut on each end of the tie-rod.  
b. Turn tie-rod counterclockwise (lengthening the  
distance between the steering lever and  
hydrostatic transmission) several times.  
If the wheel is moving in a reverse direction:  
a. Loosen the jam nut on each end of the tie-rod.  
b. Turn tie-rod clockwise (decreasing the distance  
between the steering lever and hydrostatic  
transmission) several times.  
8. Return seat to operating position.  
9. Start engine.  
10. Move steering levers from Forward to Reverse  
several times.Then return steering levers to neutral  
position.  
11. Shut OFF engine.  
12. If wheel is not moving, tighten jam nuts on tie-rod.  
The adjustment is complete.  
13. If wheel is still moving, repeat steps 7 through 12.  
1. Damper Locknut  
2. Damper  
3. Tie-Rod Jam Nut  
4. Tie-Rod  
5. Steering Lever  
6. Brake Interlock  
7. Hydrostatic  
Transmission  
ADJUSTING THE UNIT TO TRACK  
STRAIGHT  
WARNING: Prior to adjusting the tracking of  
the unit, shut OFF engine, engage parking  
brake, and remove the ignition key.  
Figure 10  
OF3381  
Check and adjust tire pressure. Increase pressure on  
side unit tracks to. DO NOT exceed maximum  
GB - 19  
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If tire pressure adjustment does not solve tracking  
problem, adjust the limiter bolts on the stop bracket  
(Figure 11). Front bolts adjust forward and rear bolts  
adjust reverse. Lengthen the limiter bolt (move closer to  
lever) on side which is too fast.  
3. Install the spacer, handle, and eccentric spacer in  
the appropriate height position. Do not tighten the  
nut holding the eccentric spacer.  
4. Turn the eccentric spacer until the right and left  
handles are the same height. Tighten nut.  
ADJUSTING THE PARKING BRAKE  
The parking brake might need adjustment over time and  
after new brake pads have been installed.  
NOTE: After installing new brake pads in the calipers,  
they must be burnished by driving for a short distance  
(about 100 feet) with the brake on. To do this, bring the  
parking brake lever part-way up while driving in a straight  
line. This quickly breaks-in the pads for maximum effec-  
tiveness  
1/16 to 1/8" (1.59  
to 3.18 mm)  
1-1/2"  
(3.81 cm)  
OF3572  
1. Limiter Bolt  
2. Jam Nut  
3. Steering Lever  
4. Stop Bracket  
Figure 11  
ADJUSTING THE HEIGHT OF THE  
STEERING LEVER HANDLES  
1. Parking Brake Lever  
2. Brake Rod  
4. Trunnion  
5. Spring  
3. Return Nuts  
6. Jam Nuts  
Figure 13  
OF3303  
Position # 1  
Check Adjustment  
NOTE: Be sure to check the parking brake on both sides  
Position # 2  
Position # 3  
With the parking brake engaged, the spring length should  
measure 1 1/2" (3.81 cm) between the jam nuts and the  
trunnion and the clearance between the return nuts and  
trunnion should measure 1/16 to 1/8" (1.59 to 3.18 mm).  
If either of these measurements is off, adjust the parking  
brake appropriately.  
1. Spacer  
2. Steering Lever  
3. Eccentric Spacer  
4. Handle  
Figure 12  
OF3304  
Adjust the Parking Brake  
1. Engage the parking brake.  
1. Shut OFF engine. Engage parking brake. Remove  
the ignition key.  
2. Turn the jam nuts clockwise to compress the spring  
or counterclockwise to extend the spring until there  
is 1-1/2" (3.81 cm) clearance between the jam nuts  
and trunnion.  
2. Remove the spacer, handle, and eccentric spacer  
from the steering lever.  
NOTE: Position the right and left handles at the same  
height position.  
3. Tighten jam nuts together.  
GB - 20  
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4. Turn the return nuts clockwise to decrease the  
distance or counterclockwise to increase the  
distance until there is 1/16 to 1/8" (1.59 to 3.18 mm)  
between the return nuts and trunnion.  
1. Slowly release the tension on the long mower belt  
idler until all the tension is removed from the  
springs.  
2. Remove long mower belt from left blade spindle and  
remove from deck.  
5. Tighten return nuts together.  
3. Slowly release the tension on the short belt idler  
until all the tension is removed from the springs.  
BELTS  
4. Remove short mower belt from right blade spindle  
and from deck. Idler pivot bolt must be loosened  
slightly to gain clearance to remove belt from under  
WARNING: MOVING PARTS can cut or  
amputate body parts. ALWAYS wait for moving  
parts to stop before performing maintenance or  
service.  
5. Arrange new mower belt(s) on deck (short belt rst).  
Retighten short mower belt idler pivot bolt. Install  
belts on sheaves. Put belts onto center sheave last.  
CAUTION: DAMAGED OR WORN BELTS may  
result in injury and/or damage to unit. Check  
belts for excessive wear or cracks often.  
6. Replace belt covers and return foot board to closed  
position.  
Belt Access  
1. Properly stop and park unit (See Operation on  
2. Lower the mower.  
3. Place seat in most rearward position.  
4. Remove belt covers.  
6. Secure raised footboard with latch.  
1. Long Mower Belt  
2. Short Mower Belt  
3. Springs  
4. Short Mower Belt Idler  
5. Long Mower Belt Idler  
6. Mower Clutch Sheave  
7. Center Sheave  
Figure 15  
1. Footboard in open  
position  
2. Footboard in closed  
position  
3. Support Frame  
4. Pivot  
5. Latch  
Replacing the Hydro Pump Belt  
1. Properly stop and park unit (See Operation on  
2. Remove the long mower belt from the mower clutch  
Figure 14  
CAUTION: Use care when releasing idler spring  
tension. Keep body parts well away from idlers  
when performing this operation.  
Replacing Mower Belts  
NOTE: Long mower belt must be removed to remove  
short mower belt.  
3. Remove clutch anchor.  
CAUTION: Use care when releasing idler spring  
tension. Keep body parts well away from idlers  
when performing this operation.  
4. Slowly release the tension on the hydro pump belt  
idler until all the tension is removed from the  
springs.  
GB - 21  
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5. Remove old hydro pump belt from right hand  
Removing the Mower Deck  
hydrostat sheave rst (Figure 16).  
1. Remove PTO (long) mower belt (See Replacing  
6. Install new hydro pump belt by positioning belt on  
sheaves. Put belt onto right hand hydrostat sheave  
last.  
2. Remove link chains from mower lift arms. Note hole  
location on mower lift arms for replacement.  
7. Replace clutch anchor.  
3. Remove mower mounting arms from frame.  
4. Slide mower deck out from under unit.  
8. Replace long mower belt on mower clutch sheave.  
1. Hydro Belt  
2. Spring  
3. Idler  
5. Right Hand Hydrostat  
6. Left Hand Hydrostat  
7. Clutch  
1. Mower Lift Arm  
2. Link Chain  
3. Mower Mounting Arm  
4. PTO (Long) Mower  
Belt  
4. Engine Sheave  
8. Clutch Anchor  
Figure 16  
OF1631  
Of0316  
Figure 18  
MOWER DECKS  
Installing the Mower Deck (Figure 18)  
1. Slide mower deck under unit.  
Adjusting Anti-Scalp Rollers  
2. Install mower mounting arms on frame.  
The anti-scalp rollers are set at the factory for typical  
mowing height, but can be adjusted for high or low cutting  
3. Install link chains on the mower lift arms in the  
same holes they were removed from.  
4. Install PTO (long) mower belt (See Replacing  
Rollers are intended to prevent lawn scalping, not to  
control cutting height.  
For a very high cutting height, set the rollers in their  
lowest position on the bracket.  
For a very low cutting height, set the rollers in their  
highest position on the bracket.  
Leveling the Mower Deck  
These adjustments should be made on a level surface  
with the tires inated to the correct air pressure.  
All rollers should be set at the same height.  
The mower is leveled from side to side with the slots  
where 4 chains fasten to the mower mounting brackets.  
The mower is leveled from front to rear by adjusting the  
rod running down each side of the frame (Figure 19).  
Lowest  
Cutting  
Height  
1. Shut OFF engine. Engage parking brake. Remove  
the ignition key.  
Highest  
Cutting  
Height  
2. Raise mower deck and insert 3" (7.6 cm) tall blocks  
to support deck.  
3. Lower deck onto blocks so chains are slack.  
Figure 17  
OF3161  
GB - 22  
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4. Measure from bottom of mower blade end to  
ground.  
STORAGE  
5. Set hydraulic lift cylinder so cut of height reads the  
same as blade height measurement.  
WARNING: AVOID INJURY. Read and  
understand entire Safety section before  
proceeding.  
6. Loosen the locknuts on the side where the chains  
are slack and slide the bolt down the slot until the  
chain is tight.  
SHORT TERM  
7. Tighten bolt and nuts in mower mounting brackets.  
8. Lift mower and remove blocks.  
NEVER spray unit with high pressure water or store unit  
outdoors.  
9. Measure height of deck at each side.  
Measurements must be within 1/16" (1.59 mm) of  
each other.  
Inspect unit for visible signs of wear, breakage or  
damage.  
Keep all nuts, bolts and screws properly tightened and  
know unit is in safe working condition.  
10. If measurements are out of range, x by adjusting  
chains on low side of deck.  
Store unit in a cool, dry protected area.  
11. Once deck is level side to side, measure height of  
deck at middle of front and on both sides of rear.  
Front of deck should be 1/8" (3.18 mm) lower than  
rear.  
LONG TERM  
Clean unit thoroughly with mild soap and low pressure  
Remove weight from wheels by putting blocks under  
frame or axle.  
When storing unit for extended periods of time, remove  
all fuel from tank and carburetor (run dry). Refer to  
Engine Manual.  
12. To adjust, loosen rear hex nut of the front mower lift  
pivot on each rod.  
13. Turn the front hex nut on each rod until mower is  
1/8" (3.18 mm) lower in front.  
NOTE: If mower cannot be leveled it may be necessary  
to loosen the rear nut of the rear mower lift pivot to get  
more threads at the front of rod for adjustment. After loos-  
ening rear nut and adjusting level, tighten front nut on  
rear mower lift pivot.  
Clean and charge the battery. Charge battery every three  
to four weeks when storing unit.  
To Take the Unit Out of Storage  
1. Refer to the engine service manual to prepare the  
engine for service.  
14. Tighten rear hex nut on each rod that was loosened  
in step 12.  
2. Put fresh, clean fuel in the fuel tank.  
3. Begin the maintenance schedule.  
4. Charge and install the battery.  
Right Side View  
Front of Unit  
OF3340  
NOTE: ALWAYS replace link chains in same holes  
they were removed from. Link chain mounting posi-  
tions vary by deck size.  
1. Rod  
6. Mower Mounting  
Brackets  
7. Front Mower Lift Pivot  
8. Rear Mower Lift Pivot  
9. Hydraulic Cylinder  
2. Rear Hex Nut  
3. Front Hex Nut  
4. Chains  
5. Lock Nuts and Slots  
Figure 19  
GB - 23  
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ACCESSORIES  
Description  
SERVICE PARTS  
Qty Description  
Part No.  
Part No.  
78805300  
78803400  
78803500  
79200300  
78805400  
78803800  
78803900  
79201600  
79202800  
79200400  
79202600  
79200700  
78804100  
79202200  
79202300  
79202700  
79202900  
89201400  
89201600  
44" Mulching Kit  
08498000  
01554800  
21537000  
21536900  
21535800  
21397200  
09246900  
21536100  
21525900  
21410800  
21539500  
07241100  
07241000  
07239300  
07202900  
07222300  
07235000  
07218000  
04919100  
04920600  
04936000  
04916400  
04917900  
09246600  
08899100  
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Parts Manual  
48" Mulching Kit  
Battery  
52" Mulching Kit  
Air Filter Outer Element  
Air Filter Inner Element  
Engine Oil Filter - Kawasaki  
Engine Oil Filter - Kohler  
Hydraulic Oil Filter  
60" Mulching Kit  
44" Bahia/Tall Grass Bafe Kit  
48" Bahia/Tall Grass Bafe Kit  
52" Bahia/Tall Grass Bafe Kit  
60" Bahia/Tall Grass Bafe Kit  
44", 48", and 52" Discharge Cover  
60" Discharge Cover  
60" Striper Kit  
Spark Plug - Kawasaki  
Spark Plug - Kohler  
Fuel Filter - Kawasaki  
Fuel Filter - Kohler  
48", 52", and 60" Tru Power Wheel / Tire Kit  
44" and 48" Double Blade Kit  
Liftmaster Kit  
PTO (Engine to Deck) Belt (44" and 52")  
PTO (Engine to Deck) Belt (48")  
PTO (Engine to Deck) Belt (60")  
Mower Drive Belt (44" and 48")  
Mower Drive Belt (52")  
Mower Drive Belt (60")  
Traction (Hydro Pump) Belt  
Blade (44and 48")  
Hitch Kit  
Headlight Kit  
Counterweight Kit  
Rollover Protection System  
60" Bagger  
Mulch Blade (44and 48")  
Blade (992310, 311)  
Blade (52")  
Mulch Blade (52")  
Blade (60)  
Mulch Blade (60)  
GB - 24  
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SPECIFICATIONS  
Model Number  
Model  
992042  
144Z  
992043  
148Z  
992044  
992051  
992054  
152Z  
992055  
160Z  
992310  
144Z  
992311  
148Z  
152Z  
160Z  
Length cm (in)  
Height cm (in)  
Width cm (in)  
Weight Actual kg (lbs)  
Battery  
184.2 (72.5)  
190.5 (75.0)  
186.7 (73.5)  
191.5 (75.4)  
186.7 (73.5)  
106 (42)  
145 (57)  
155 (61)  
165 (65)  
185 (73)  
165 (65)  
185 (73)  
145 (57)  
155 (61)  
430 (946)  
432 (951)  
437 (961)  
472.7 (1040)  
437 (961)  
472.7 (1040)  
430 (946)  
432 (951)  
12 volt  
Brakes  
Hydro/Dynamic DiskParking  
Turning Radius  
0
Tire SizeFront  
Rear  
15 x 6 - 6  
23 x 9.5 - 12  
15 x 6 - 6  
23 x 10.5 - 12  
15 x 6 - 6  
15 x 6 - 6  
23 x 9.5 - 12 23 x 10.5 - 12  
Engine manufacturer  
Model Number  
Cycle  
Kawasaki  
Kohler  
Kawasaki  
FH601V  
19 (14.1)  
FH641V  
FH680V  
CV730  
FH601V  
FH641V  
4
Engine Power HP (kW)  
@ Governed RPM  
21 (15.7)  
23 (17.1)  
25 (18.7)  
18 (13.4)  
2800  
20.5 (15.3)  
3300  
Max. Governed RPM  
(No Load)  
3600  
3550  
3600  
Idle RPM  
1800  
Starting System  
Fuel Tank Capacity  
Fuel  
Electric  
10 gals. US (37.8 liters)  
See Engine Manual  
Air Cleaner  
Heavy Duty Dual Element with Pre-Clean Screen  
Air Cooled  
Cooling Capacity  
Engine oil type  
Spark Plug Gap  
Transmission  
See Engine Manual  
See Engine Manual  
Hydrostatic Drive  
Speed Forward Max.  
Reverse Max.  
10 MPH (16 KM/H)  
4.5 MPH (7.2 KM/H)  
Transmission Lube  
Drive Clutch  
Mobil 1 15W-50 Synthetic  
Hydrostatic  
Tire PressureFront  
Rear  
20-25 psi  
12-15 psi  
Lift System  
Hydraulic  
Power Take Off  
Electric PTO Clutch/Brake  
Cutting Width cm (in)  
Cutting Height cm (in)  
Cut Increments cm (in)  
112 (44)  
122 (48)  
132 (52)  
152 (60)  
2.5 - 12.7 (1 - 5)  
Innite between 2.5 - 12.7 (1 - 5)  
132 (52)  
152 (60)  
112 (44)  
122 (48)  
CE Sound and Vibration  
Oper. Ear Sound Pressure  
(Lpa) in dBA  
NA  
90  
92  
Vibration Measure (m/sec2)  
At Operator Hands: X axis  
1.4  
0.5  
0.6  
0.2  
0.2  
0.7  
0.3  
0.3  
0.7  
0.93  
0.39  
1.55  
0.29  
0.23  
0.92  
0.35  
0.38  
0.74  
Y axis  
Z axis  
NA  
NA  
NA  
At Operator Feet: X axis  
Y axis  
Z axis  
At Operator Seat: X axis  
Y axis  
Z axis  
GB - 25  
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2-Year Limited Warranty  
Gravely Division of Ariens Company (Gravely) hereby warrants to the  
original consumer purchaser that all Gravely Two-Wheel,  
Professional G, Pro, and ProMaster products will be free from defects  
in material and workmanship for a period of two (2) years from the date  
of purchase or 1000 hours, whichever comes first.  
Gravely Division of Ariens Company  
655 West Ryan Street  
P.O. Box 157  
Brillion, WI 54110-0157  
920-756-2141  
Fax 920-756-2407  
Protection Plan  
Gravely will repair or replace any part found upon examination by  
Gravely to be defective. Such repair or replacement will be free of  
charge to the purchaser (labor and parts), except as noted below.  
This warranty is subject to the following exceptions, conditions, and limitations:  
Usage Requirement  
The duration of this warranty shall be ninety days or 1000 hours, whichever comes first, if the product is rented or leased.  
Purchasers Responsibilities  
Exclusions (No Warranty)  
The purchaser must perform maintenance and minor  
adjustments per the operators manual.  
The purchaser must notify Gravely or an authorized Gravely  
service representative of the need for warranty service.  
The purchaser must transport the product to and from the place  
of warranty repair.  
Normal maintenance, services, and normal replacement items,  
such as spark plugs, oil, oil filters, air filters, mufflers, belts,  
tires, shoes, runners, scraper blades, shear bolts, mower blades,  
mower vanes, headlights, light bulbs, knives, etc. are not covered  
by this warranty.  
Any equipment which has been altered, misused, misassembled,  
improperly adjusted, neglected, or damaged by accident is not  
covered by this warranty.  
Product Registration  
Returning the product registration card to Gravely will enable  
the company to contact the registrant with repair or replacement  
part information.  
Service completed by someone other than an authorized  
Gravely dealer is not covered by this warranty.  
Any attachment not approved by Gravely nor any parts that  
are not genuine Gravely service parts are not covered by this  
warranty.  
Engines and engine accessories are covered only by the  
warranty made by the engine manufacturer, and are not covered  
by this warranty.  
If the product is equipped with a Hydro-Gear transmission  
and/or Hydro-Gear drive components, the Hydro-Gear  
transmission and/or drive components are covered only by the  
warranty made by Hydro-Gear, and are not covered by this  
warranty.  
This warranty applies only to products purchased in the United  
States (including Puerto Rico) and Canada. In all other  
countries, contact place of purchase.  
Service Parts and Accessories  
Service parts and accessories not purchased with the product  
covered by this warranty are warranted to be free of defects  
for a period of ninety (90) days following the date of purchase,  
and will be replaced free of charge (except for labor).  
Service  
Warranty service must be done by an authorized Gravely dealer.  
To find an authorized Gravely service representative, contact  
Gravely at the website, number or address above.  
Battery Warranty Prorated  
One to three months - Free replacement  
Four to twelve months - Prorated over 12 months  
Gravely may from time to time change the design of its products. Nothing contained in this warranty shall be construed as obligating  
Gravely to incorporate such design changes into previously manufactured products, nor shall such changes be construed as an admission  
that previous designs were defective.  
LIMITATION OF REMEDY AND DAMAGES  
Gravelys liability under this express warranty, and under any implied  
Gravely makes no warranty other than what is  
warranty that may exist, is limited to repair or replacement of any  
DISCLAIMER OF FURTHER WARRANTY  
expressly made in this warranty. If the law of your  
defective part. In no event shall Gravely be liable for incidental,  
state provides that an implied warranty of  
merchantability, or an implied warranty of fitness  
for a particular purpose, applies to Gravely, any  
such implied warranty is limited to the duration of  
this express warranty.  
special, or consequential damages (including lost profits). This  
warranty gives you specific legal rights. You may also have other  
rights which vary from state to state. Some states do not allow the  
exclusion of incidental or consequential damages, or limitations  
on how long an implied warranty lasts, so the above limitations  
and exclusions may not apply to you.  
Form: GLW2-122002  
GB - 26  
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GRAVELY  
A Division of Ariens Company  
655 West Ryan Street  
P.O. Box 157  
Brillion, WI 54110-0157  
920-756-2141  
Fax 920-756-2407  
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