Promaster 252z / 260Z / 272Z
Owner/Operator Manual
Models
992066 - 25hp 52”
992067 - 25hp 60”
992068 - 27hp 60”
992069 - 28hp 60”
992070 - 25hp 72”
992071 - 27hp 52”
992072 - 27hp 72”
US Patent 6,301,864
ENGLISH
FRANÇAIS
ESPAÑOL
00264600 1/04
Printed in USA
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TABLE OF CONTENTS
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . 14
Service and Adjustments . . . . . . . . . . . . . . . . . . 17
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 fill 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 the unit literature
package. They are printed on a serial
number label, located on the frame of
your unit (Figure 2).
label from
product
registration
here.
Serial Number Label
NOTE: To locate your nearest Gravely Dealer, call
net.
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
specifications 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.
OF3510
Figure 2
• Record Unit Model and Serial numbers here.
DEALER DELIVERY
Dealer should:
• Record Engine Model and Serial numbers here.
1. Test brakes after tractor is assembled to be sure
adjustment has not been disturbed in shipment
Wheel brakes are properly adjusted at factory.
Copyright 2002 Ariens Company
GB - 4
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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
(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
Instruct customer on controls and operation of unit.
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 set-up 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.
SAFETY
WARNING: This cutting machine is capable of
amputating hands and feet and throwing
objects. Failure to observe the safety
instructions in the manuals and on decals could
result in serious injury or death.
WARNING: POTENTIALLY HAZARDOUS
SITUATION! If not avoided, COULD RESULT in
death or serious injury.
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 flammable and the vapors
are explosive, handle with care.
IMPORTANT: Specific 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 operator’s
position.
PRACTICES AND LAWS
Practice usual and customary safe working precautions,
for the benefit 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 - 5
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SAFETY DECALS AND LOCATIONS
ALWAYS replace missing or damaged Safety Decals.
Refer to Figure 3 for Safety Decal locations.
7
DANGER / PELIGRO
• Avoid injury - Stay clear of rotating parts.
• Risque de blessures - ne pas s’approcher des pièces en
mouvement.
• Evitar lesiones - Mantenerse alejado de las piezas giratorias.
3
6
DANGER/PELIGRO
077560
5
07731400D
4
WARNING/AVERTISSEMENT/ADVERTENCIA
Ne jamais utiliser
la tondeuse sans
protecteur sur le
canal d'ejection ou operacion
sans le bac monte. recogedor este fijo.
No operar segadora
menos que las defensas
esten en posicion de
a
Do not operate mower
unless guards are in
operating position or
bagger is attached.
4
o
el
07742300B
1
DANGER / PELIGRO
2
17
MAX
TO AVOID SERIOUS INJURY OR DEATH
Read the operator's manual.
POUR EVITER LES BLESSURES GRAVES OU LA MORT
Lire le manuel d'utilisation.
PARA EVITAR DAÑOS SERIOS
O
LA MUERTE
3
•
•
•
•
•
•
Leer el manual del operador.
Éloigner les engants 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 derriere et sur les cotes lorsque vous reculez.
Ne transportez jamais dénfant.
Tondez toujours de haut en bas et inversement jamais le long des pentes.
Si la machine sárrete en montee. Debrayez la lame et redescendez
doucement.
Evitez les virages brusques.
Maintenez toujours en place tous les elements de securite (protecteurs,
interrupteurs, etc.).
Controlez le bon fonctionnement des interrupteurs de securité avant
utilisation tel q'uindiqué dans le manuel d'utilisation.
Comprenez bien la fonction et la situation de chacun des leviers et boutons
de commande.
Mantenga la unidad alejada de los niños
cuando esté en funcionamiento.
u
otras personas
Keep children and others away from unit while
operating.
Never direct discharge toward other people.
Thrown objects can cause injury.
Look down and behind before and while backing.
Never carry children.
Go up and down slopes, not across.
If machine stops going uphill, stop blade and
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.
DANGER/PELIGRO
•
•
Nunca dirija la descarga hacia otras personas, ya que los
objetos lanzados pueden provocar lesiones.
•
•
•
•
•
•
•
•
•
Antes
Nunca monten niños.
Suba baje pendientes, no transversalmente.
Si la maquina se detiene subiendo cuesta, desactive la
y
durante retroceso mirar hacia abajo
y
detras.
•
•
•
•
y
cuchilla
y
baje lentamente.
•
•
•
•
Evite viradas subitas.
•
•
Mantenga artefactos de seguridad (defensas, protectores,
interruptores, etc.) en su lugar trabajando.
Verifique en el manual el sistema de engranar antes de usar.
localizaciones de todos
y
•
•
•
•
•
Tenga conocimiento de funciones
los controles.
y
05359400
•
•
•
•
Never allow operation by untrained persons.
Never allow operation by untrained persons.
07734700D
07731400D
OF3390
Figure 3
Keep children out of work area and under
watchful care of a responsible adult.
1. DANGER! TO AVOID SERIOUS INJURY
OR DEATH
Read Owner/Operator Manual.
OL4470
NEVER CARRY CHILDREN.
OL1801
Keep children and others away from unit
while operating.
OL4480
Go up and down slopes, not across.
DO NOT operate on slopes over 17°.
OL4370
MAX
17°
Never direct discharge toward other people.
Thrown objects can cause injury. Remove
objects that could be thrown by the blade.
OL4450
• If machine stops going uphill, stop blade and back
down slowly.
OL0910
• Avoid sudden turns.
Look down and behind before and while
backing.
• 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.
OL4460
GB - 6
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2. PINCH POINT
7. DANGER!
Avoid pinch points.
AVOID INJURY. Stay clear of rotating parts.
OL4730
OF3330
SAFETY RULES
3. DANGER! ROTATING PARTS
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.
Always keep feet and hands away from
rotating parts.
ALWAYS remove key and/or wire from spark plug before
assembly. Unintentional engine start up can cause death
or serious injury.
OL3030
Always stand clear of discharge area. Do not
direct discharge toward other people.
Complete a walk around inspection of unit and work area
to understand:
OL0910
• Work area • Your unit • All safety decals
Keep people away from unit while operating.
ALWAYS check overhead and side clearances carefully
before operation. ALWAYS be aware of traffic when
operating along streets or curbs.
Keep children and people away.
OL3292
Keep children out of work area and under watchful care
of a responsible adult.
Shut off engine, remove key, read manual
before you adjust or repair unit.
Keep area of operation clear of all toys, pets, and debris.
Thrown objects can cause injury.
OL4010
Check for weak spots on docks, ramps or floors. Avoid
uneven work areas and rough terrain. Stay alert for
hidden hazards or traffic.
NO STEP! Always keep feet away from
rotating parts.
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.
OL4420
4. WARNING!
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 owner’s 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
5. HOT SURFACES!
Only trained adults may operate or service unit.
Local regulations may restrict the age of the operator.
Training includes actual operation.
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.
GB - 7
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NEVER wear open sandals or canvas shoes during
operation. Wear adequate safety gear, protective gloves
and footwear.
DO NOT try to stabilize the machine by putting your foot
on the ground.
Never direct discharge towards persons or property that
may be injured or damaged by thrown objects. Use
extreme caution on gravel surfaces.
Wear proper footwear to improve footing on slippery
surfaces.
Always wear safety goggles or safety glasses with side
shields when operating mower.
Always stand clear of the discharge area.
ALWAYS disengage PTO, stop unit and engine, remove
key, engage parking brake and allow moving parts to
stop before leaving operator’s position.
Moving parts can cut or amputate fingers or a hand.
Wrap blade(s) or wear gloves to service. On multiblade
mowers, rotation of one blade will cause all blades to
rotate.
Never engage PTO while raising attachment or when
attachment is in raised position.
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 fluid 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
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.
Avoid starting or stopping on the slope. If tires lose
traction, disengage the blades and proceed slowly
straight down the slope.
Start and operate unit only when seated in operator’s
position. Steering control levers must be in neutral, PTO
disengaged and parking brake set when starting engine.
If you cannot back up a slope or you feel uneasy on it, do
not mow it.
Use care when approaching blind corners, shrubs, trees
or other objects that may obscure vision.
DO NOT park on slopes unless necessary. When parking
on slope always chock or block wheels. Always engage
parking brake.
Dust, smoke, fog, etc. can reduce vision and cause an
accident. Mow only in daylight or good artificial light.
Avoid slippery surfaces. Always be sure of your footing.
Use a slow speed. Tires may lose traction on slopes
even though the brakes are functioning properly.
DO NOT mow on wet grass. Reduced traction could
cause sliding and effect the machine’s stability.
Do not bypass transmission when on a slope.
Watch for traffic when operating near or crossing
roadways.
Use extra care when loading or unloading unit onto trailer
or truck.
Never carry passengers.
GB - 8
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Secure unit chassis to transport vehicle. NEVER secure
from rods or linkages that could be damaged.
Keep nuts and bolts tight, especially blade attachment
bolts, and keep equipment in good condition.
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.
NEVER attempt to make any adjustments to unit while
engine is running (except where specifically
recommended). Stop engine, remove key or spark plug
wire and wait for all moving parts to stop before servicing
or cleaning.
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.
Check parking brake operation frequently. Adjust and
service as required.
ALWAYS maintain unit in safe operating condition.
Damaged or worn out muffler can cause fire or explosion.
NO smoking, NO sparks, NO flames. ALWAYS allow
engine to cool before servicing.
Fuel is highly flammable and its vapors are explosive.
Handle with care. Use an approved fuel container.
Maintain or replace safety and instructions labels, as
necessary.
NO smoking, NO sparks, NO flames. ALWAYS allow
engine to cool before servicing.
NEVER store unit with fuel in fuel tank, inside a building
where any ignition sources are present.
NEVER fill fuel tank when engine is running or hot from
operation.
Shut off fuel and allow engine to cool completely before
storing in closed area or covering unit.
NEVER fill or drain fuel tank indoors.
Clean grass and debris from unit, especially from around
muffler and engine, to help prevent fires.
Replace fuel cap securely and clean up spilled fuel.
Never fill 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 filling.
For extended storage, shut off fuel and clean unit
thoroughly. See engine manual for proper storage.
Lower cutting deck unless a positive mechanical lock is
used.
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.
Use only attachments or accessories designed for your
unit.
Check attachment components frequently. If worn or
damaged, replace with manufacturer’s recommended
parts.
Keep the nozzle in contact with the rim of the fuel tank or
container opening at all times until fuelling is complete.
Do not use a nozzle lock-open device.
If fuel is spilled on clothing, change clothing immediately.
Avoid Electric Shock. Objects contacting both battery
terminals at the same time may result in injury and unit
damage. DO NOT reverse battery connections.
Explosive Gases from battery can cause death or serious
injury. Poisonous battery fluid contains sulfuric acid and
its contact with skin, eyes or clothing can cause severe
chemical burns.
No flames, No sparks, No smoking near battery.
ALWAYS wear safety glasses and protective gear near
battery.
DO NOT TIP battery beyond a 45° angle in any direction.
ALWAYS keep batteries out of reach of children.
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.
ALWAYS block wheels and know all jack stands are
strong and secure and will hold weight of unit during
maintenance.
Release pressure slowly from components with stored
energy.
GB - 9
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ASSEMBLY
6. Battery - Remove battery from unit and charge (See
WARNING: AVOID INJURY. Read and
understand entire Safety section before
proceeding.
7. Check Engine Crankcase - To access engine, open
hood. Check and add oil if needed. See Engine
Manual for specifications.
UNIT ASSEMBLY
8. 60" and 72" Decks - Remove, reverse, and reinstall
discharge chute and mounting bracket.
Package Contents:
Unit, Mower Deck and Literature Pack
WARNING: Discharge chute must pivot freely.
DO NOT overtighten the pivot bolts.
Preparation Checklist
Refer to the Owner/Operator manual as required.
9. Fill Engine Fuel Tank - Add clean fuel to the fuel
tank.
1. Unpack Unit - Remove shrink wrap and packaging
materials.
IMPORTANT: Refer to Engine Manual for fuel type.
2. Remove Unit From Container - Open Bypass
10. Hardware - Check for loose hardware.
11. Check Safety Interlock System - Check to see that
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).
WARNING: FAILURE OF INTERLOCK
together with improper operation can result in
severe personal injury.
4. Position and Attach Seat - Remove nuts from seat
studs in hood frame. Lift and rotate seat onto hood
frame. Secure with nuts.
12. Lubrication - Lubricate all fittings per maintenance
label under seat and check hydrostat oil level (See
5. Position Steering Levers - Remove bolts and
spacers from steering rod. Flip the steering levers
into operating position. Reinstall spacers, bolts and
13. Level Deck - Check unit to assure deck level set at
14. Check Function of all Controls - Ensure unit runs
and performs properly.
WARNING: FAILURE OF CONTROLS could
result in death or serious injury.
1. Steering Lever in
Shipping Position
2. Spacers and
Hardware
3. Steering Lever in
Operation
Position
OF3520
Figure 4
GB - 10
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OPERATION
Steering Levers
WARNING: AVOID INJURY. Read and
understand entire Safety section before
proceeding.
B
D
A
C
CONTROLS AND FEATURES
See Figure 1 for Controls and Features locations.
Safety Interlock System
077348A
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.
The steering levers control speed and direction. In
addition, they will stop the unit.
A. For reverse travel, pull both steering control levers
backward.
B. For straight forward travel, push both steering control
levers forward.
C. To turn left, pull the left back or push the right
steering control lever forward or a combination of
both.
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.
D. To turn right, pull the right back or push the left
steering control lever forward or a combination of
both.
NOTE: When the parking brake is engaged, the steering
levers are locked in neutral.
Test Steering PTO
Levers
Parking
Brake
Engine
To stop, return both steering levers to neutral.
NOTE: The steering controls are mechanically locked in
neutral whenever the parking brake is engaged.
STARTING INTERLOCK
1
2
3
Neutral
Neutral
Neutral
Off
On
Off
Engaged
Engaged
Starts
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.
Doesn’t Start
Disengaged Doesn’t Start
OPERATING INTERLOCK (ENGINE ON)
4*
5*
Neutral
Neutral
On
Off
Engaged
Shuts Off
Shuts Off
Disengaged
* Operator lifts off seat.
Ignition Switch
3
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.
Parking Brake Interlock System
With the parking brake engaged, the steering levers must
be locked in neutral.
2
1
With the parking brake disengaged, the engine must not
start and the engine must shut off if the operator leaves
the seat.
OF1751
Eye-QTM
Choke Control (Not on EFI models)
Push the choke lever forward to start a
cold engine. Pull the choke lever to the
rear when the engine gets warm.
Monitors equipment
performance, operator
performance, and equipment
maintenance. See Eye-Q
Owner’s Manual for how to
access these features.
OF1680
GB - 11
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Throttle Lever
Fuel Shut-Off Valve
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.
Use this valve to control fuel flow from
left or right fuel tank.
OFF
LEFT
TANK
RIGHT
TANK
Open the valve to operate the engine.
Turn the valve to "Off" when storing or
transporting the unit.
OF1881
NOTE: Fuel shut-off valve on EFI units
does not have an "Off" position.
Parking Brake Lever
1. Pull lever up to engage parking brake.
2. Push lever down to disengage parking
brake.
2
OF1700
OF1740
Power Take Off (PTO) Switch
Power take off (PTO) switch engages and
disengages the mower blades.
ON
Seat Adjustments
WARNING: Make all seat adjustments with unit
stationary, parking brake engaged and engine
shut off.
Pull the power take off (PTO) switch to
"On" position to engage mower blades.
Push the power take off (PTO) switch to
"Off" position to disengage mower blades.
OE0261
To adjust seat forward or backward:
OFF
1. While seated, pull seat adjustment lever outward
and slide seat into desired position.
NOTE: The engine will not start unless the steering con-
trol levers are in the neutral position, the PTO switch is in
the “Off” position and parking brake is engaged.
2. Release lever and slide seat forward or back to lock
seat into position.
Mower Lift Lever
To adjust seat suspension:
Use the mower lift lever, located on the left
side of tractor, to raise and lower the
mower deck.
• To make seat more firm turn knob clockwise. To
make seat less firm turn knob counter clockwise.
Turn knob several turns at a time until desired
position is achieved.
Pull the lever rearward to raise or push
the lever forward to lower the mower
deck.
Engine Oil Pressure Indicator
Indicator lights up “Red” if the oil pressure
is low. Check oil level and add if
necessary. Refer to engine manual.
Release lever to hold the mower deck in
selected position.
OG0601
OF1700
The cutting height indicator on the right lift
cylinder shows the approximate cutting
height in inches.
Malfunction Indicator Light (EFI models only)
The malfunction indicator light flashes
when there is a problem with the
Cylinder Stops
electronic fuel injection system. When
OD0190
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).
indicator light flashes, disengage PTO,
shut off engine, remove key and see engine manual.
Axle Locks
1. Remove the cylinder stops from the post and snap
onto the lift cylinder rod.
For a solid front axle, install axle locks on front axle. For a
pivoting front axle, remove axle locks from front axle and
store on unit.
2. Push the lift lever forward until the cylinder rests
against the cylinder stops.
Headlights
Push headlight switch to ON position to turn ON
headlights. Push headlight switch to OFF position to turn
OFF headlights.
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1. Make sure the steering levers are in neutral.
2. Put the PTO switch in the “Off” position.
3. Engage parking brake.
FILLING FUEL TANK
WARNING: AVOID INJURY. Read and
understand entire Safety section before
proceeding.
4. For models with choke:
If the engine is cold, move the choke control to the
“On” position. If the engine is warm or hot, do not
use choke.
Add fuel to Fuel Tank as needed. See your Engine
Manual for correct type and grade of fuel.
5. Move the throttle to 3/4 “Fast” position. See Engine
Manual for detailed instructions.
To add fuel to the fuel tank:
1. Place unit in an open or well-ventilated open area.
2. Stop the engine.
6. Put the ignition key in the switch and turn it to the
“Start” position.
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.
7. As soon as the engine starts, release the key.
8. For models with choke:
Move the choke control to the “Off” position from
the “Choke” position. Wait until the engine is
running smoothly before operation.
4. Fill the fuel tank to within 1" (25 mm) below bottom
of filler neck.
5. Replace fuel cap and tighten.
6. Clean up any spilled fuel.
To stop the engine:
1. Bring the steering levers to neutral. Disengage the
PTO and engage the parking brake.
PRE-START
2. Move the throttle lever to the “Slow” position.
3. Turn the ignition key to the “Off” position.
CAUTION: Make sure all hardware is tight, all
safety devices are in place and all adjustments
are made correctly.
TO MOW WITH UNIT
Operate the unit only when seated in the operator’s
position.
1. Check Safety Interlock System
If this system does not function as described do not
operate until repairs are made.
1. Start the engine. Let the engine warm until it is
running smoothly.
2. Check Air Cleaner
Check air filter for dirt. Clean as required. See
Maintenance Section.
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.
3. Check Engine Fuel and Crankcase Oil
Check and add fuel if required. Check that engine
crankcase oil is full. Refer to Maintenance Section.
3. Bring the steering levers to neutral.
4. Slow the engine down to about 3/4 speed.
5. Turn ON the PTO switch to engage the mower.
4. Check Tire Pressure
5. Check Hydraulic Fluid Level
6. Adjust Seat
Be sure all controls can be reached safely from
operator’s position.
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.
STOPPING IN AN EMERGENCY
The unit can be stopped immediately at any time by
turning the ignition key to the "Off" position.
8. To disengage the mower, move the PTO switch to
the “Off” position.
STARTING AND SHUT OFF
9. When you know how to operate the unit, select a
speed appropriate to your mowing conditions.
CAUTION: Read entire Owner/Operator
Manual, Clutch Manual, and Engine Manual
first.
PARKING
To park the unit:
DO NOT attempt to start engine at this time.
1. Bring the steering levers to neutral. Turn off PTO.
2. Move the throttle lever to the “Slow” position.
3. Engage the parking brake.
To start the engine:
GB - 13
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4. Lower the attachment.
5. Turn the ignition key to the “Off” position and
remove the key.
Front of unit
MOVING THE UNIT WITH THE ENGINE OFF
IMPORTANT: Never tow unit.
1. Shut OFF engine.
1. Left Bypass
Valve Lever
2. Right Bypass
Valve Lever
3. Turn right and left bypass valve levers counter
WARNING: Do not bypass transmission when
on a slope.
Figure 5
OF3530
4. Disengage parking brake.
FOR BEST PERFORMANCE
Cut grass when it is dry.
5. Push unit to desired location.
6. Engage parking brake.
Keep mower blades sharp.
7. Turn bypass valve levers clockwise 1/2 turn.
Keep mower deck properly leveled.
Adjust anti-scalp rollers to prevent scalping.
Do not set height of cut too low. For very tall grass, mow
twice.
Do not travel too fast.
Mow with the engine set at full throttle.
When mulching, only remove 1/3 of grass length per
cutting.
Discharge clippings into areas already cut.
Vary cutting pattern with each mowing.
Do not allow grass or debris to collect inside of mower
deck. Clean after each use.
MAINTENANCE SCHEDULE
WARNING: AVOID INJURY. Read and
understand entire Safety section before
proceeding.
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).
See the maintenance instructions in the Engine Manual
for additional information.
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Kohler Engine
Kawasaki Engine
1. Hydraulic Fluid
Cap/Dipstick
2. Hydraulic Fluid Tank
3. Oil Fill/Dipstick
4. Battery
5. In-Line Fuel Filter
6. Oil Drain Petcock
7. Oil Filter
8. EFI Fuel Filter
9. Air Filter
OF3540
OF3550
Figure 6
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 are made.
Check Parking Brake Interlock System
Check Engine Oil
Each
Use
engine oil fill cap if needed. See engine manual for detailed
instructions.
Check Air Filter
engine manual for detailed instructions.
Check Hydraulic Fluid
Check Tires
Check Mower Blades
Check mower blades for wear. Sharpen or replace as needed.
Every25
Hours
Clean Air Filter Outer Element (992066, 067,
070)
to engine manual for detailed instructions.
Lubricate Unit
Oil all pivot points and pin connections. Grease lube fittings. See
Every50
Hours
GB - 15
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Period Service
Task
Clean Battery
Change Engine Oil
Refer to engine manual for detailed instructions.
Every
100
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.
Hours
Check Belts
Change Fuel Filter
Change Oil Filter
detailed instructions.
instructions.
Every
200
Hours
Replace Air Filter Inner Element (992066, 067,
070)
for detailed instructions.
Replace Air Filter Outer Element (992068, 069,
071, 072)
for detailed instructions.
Every
250
Hours
Change Hydraulic Fluid and Filter
Every
500
Hours
Replace Air Filter Inner Element (992068, 069,
071, 072)
for detailed instructions.
Change EFI Fuel Filter (992069 only)
manual for detailed instructions.
Every
1,500
Hours
GB - 16
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SERVICE AND ADJUSTMENTS
Gravely Dealers will provide any service which may be
required to keep your unit operating at peak efficiency.
Should engine service be required, it can be obtained
from a Gravely Dealer or the engine manufacturer’s
authorized service center.
WARNING: AVOID INJURY. Read and
understand entire Safety section before
proceeding.
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.
SERVICE POSITIONS
1. Place unit on a flat level surface. ALWAYS stop
engine. Ensure unit is secure and will not tip over.
Strap and clamp onto lift if used.
OF3560
1. Daily Service Position
2. Full Service Position
3. Steering Levers
5. Engine
6. Service Slot
7. Engine Hood Prop Rod
8. Engine Hood & Frame
2. Place steering levers in neutral position and engage
parking brake.
4. Parking Brake
Figure 7
3. Unhook hood latches.
4. Firmly grasp engine frame and cover. Lift to desired
HYDRAULIC FLUID
WARNING: HYDRAULIC FLUID can result in
severe burns. Fluid in hydraulic system can
penetrate skin and result in serious injury or
death.
CAUTION: WHEN OPENING ENGINE COVER,
USE CARE TO PROPERLY ENGAGE PROP
INTO SLOT. Be sure footing is secure to
accomodate weight shift of hood when rotating
to full service position.
Be sure to stop the engine before doing any
work on hydraulic parts.
Daily Service Position: Place engine hood prop rod into
service slot. Assure rod is engaged in slot properly.
Keep body and hands away from pin holes or
nozzles which expel hydraulic fluid when under
pressure. Use paper or cardboard, not hands, to
search for leaks.
Full Service Position: Slowly release frame after seat
contacts foot board. Use care and be sure of your footing.
Do not step on mower deck.
Ensure all hydraulic fluid connections are tight
and all hydraulic hoses and lines are in good
condition before applying pressure to system.
5. When service is complete, lower hood and secure
with latches.
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.
Check Hydraulic Fluid Level
FULL Mark
Operating
Range
OE0380
1. Shut OFF engine. Engage parking brake. Remove
the ignition key.
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2. Put seat in service position.
Discard mower blade if:
3. Remove any dirt that may be around the
cap/dipstick on the hydraulic reservoir.
•
•
•
More than 1/2 in. (1.27 cm) of metal is removed.
Air lifts become eroded.
4. Remove cap/dipstick.
Blade is bent or broken.
5. Check hydraulic oil level mark on cap/dipstick.
6. Add 15W50 Synthetic oil as needed. Do not overfill.
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.
Change Hydraulic Fluid and Filter
Change the hydraulic oil filter and hydraulic oil every 500
hours. Use Mobil 15W50 synthetic oil for best component
life.
3. Check mower blade balance.
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. Clean around dipstick cap and dipstick. Remove
dipstick.
2. Place container under oil filter to catch oil.
3. Remove oil filter.
4. Install mower blade(s) on unit.
4. Allow tank to drain.
5. Tighten the bolts to a torque of 115-120 lbf-ft
(156-162.6 N•m).
5. Lubricate rubber gasket on new oil filter with clean
hydraulic oil.
DO NOT Sharpen to This Pattern
6. Spin new oil filter onto filter housing until it makes
contact. Tighten oil filter another 1/2 turn.
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.
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, flat washers, and
blades from the spindle shafts.
Replace
1. Put the blades, flat washers, lock washers, and the
bolts back on the spindle shafts.
OT0792
2. Tighten the bolts to a torque of 115-120 lbf-ft
(156-162.6 N•m).
Sharpen to This Pattern
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
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.
Figure 8
NEVER weld or straighten bent blades.
1. Remove mower blade from unit.
GB - 18
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3. Coat terminals with dielectric grease or petroleum
jelly.
BATTERY
WARNING: AVOID INJURY. Read and
understand entire Safety section before
proceeding.
Charging the Battery
Battery Electrolyte First Aid
Follow First Aid directions for contact with battery fluid.
• External Contact: Flush with water.
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.
• 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!
Unit comes equipped with a maintenance-free battery
that requires no regular maintenance except cleaning the
terminals.
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.
Remove Battery
1. Shut OFF engine. Engage parking brake. Remove
the ignition key.
ALWAYS follow information provided on battery by
battery manufacturer. Contact battery manufacturer for
extensive instructions to charge battery.
3. Disconnect cables from battery (negative, then
2. Place battery on bench or other well-ventilated
place.
4. Remove hold down and remove battery.
Replace Battery
3. Connect positive (+) lead of charger to positive (+)
terminal, and negative (–) lead to negative (–)
terminal.
1. Replace battery and secure with battery hold down.
2. Reconnect cables to battery (positive, then
negative). Position boot over positive terminal.
4. Charge battery according to charger and battery
manufacturers’ instructions.
3. Return seat to operating position.
Clean Battery
Keep battery and its terminals clean. Inspect every 100
operating hours or monthly for best performance.
Jump Starting Battery
IMPORTANT: DO NOT jump start battery on model
992069. Failure to comply will void the engine warranty
and can damage the engine.
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 fluid 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
9).
2. Connect the other end of the same jumper cable to
the positive (+) terminal of the booster battery.
1. Negative terminal
2. Positive terminal
3. Battery
Figure 9
3. Connect one end of the second jumper cable to the
negative (–) terminal of the booster battery.
OF1671
4. Make the final jumper cable connection to the
engine block or the furthest ground point away from
the discharged battery.
2. Clean terminals and battery cable ends with wire
brush.
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STEERING CONTROL NEUTRAL
ADJUSTMENT
WARNING: Make sure cables are clear of any
moving engine parts before starting engine.
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.
5. Start engine (refer to Operation Section). If engine
will not start after several tries, unit or battery may
need service.
Adjusting the Steering Levers to Line Up
6. After engine starts, leave cables connected for one
to two minutes.
1. Shut OFF engine. Engage parking brake. Remove
the ignition key.
7. Disconnect cables in reverse order.
8. Operate unit as normal to charge battery.
LUBRICATE UNIT
IMPORTANT: Wipe each fitting clean before and after
lubrication.
3. Loosen damper locknut on the same side as the
steering lever to be adjusted.
4. Loosen brake interlock on the same side as
steering lever to be adjusted.
Steering system and Speed Selector components should
be lubricated every 50 hours of operation or every
5. Loosen tie rod jam nut and turn tie rod until steering
levers are aligned.
Lube fitting locations are:
– front axle pivot (2)
6. Tighten jam nut on tie rod, tighten brake interlock
and tighten damper locknut.
Apply Stens Mix Hi-Temp Grease or equivalent to the
lube fittings. Order P/N: 00036700 - ten pack of 14 oz.
cartridges.
When using Stens Mix Grease for the first time, all
components should be thoroughly cleaned prior to
lubricating.
Apply oil at all pivot points and pin connections.
1
2
OF1792
1
1. Damper Locknut
2. Damper
5. Steering Lever
6. Brake Interlock
REF
LUBRICATION
QTY
DESCRIPTION-
LOCATION
INTERVAL
1
2
REPACK
GREASE
2
1
CASTER PIVOT
AXLE PIVOT
400 Hrs
50 Hrs
3. Tie-Rod Jam Nut
4. Tie-Rod
7. Hydrostatic
Transmission
OIL
ALL PIVOT POINTS,
PIN CONNECTIONS
50 Hrs
Figure 11
OF3381
Figure 10
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If tire pressure adjustment does not solve tracking
problem, adjust the limiter bolts on the stop bracket
adjust reverse. Lengthen the limiter bolt (move closer to
lever) on side which is too fast.
Eliminating Excessive Creeping of the Unit
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.
1. If hydraulic system is cold, run unit for a minimum of
five minutes, then shut OFF engine.
2. With the unit up to and facing a wall, jack the unit up
so that both drive wheels are off the ground.
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.
5. Check wheel(s) for movement.
6. Shut OFF engine.
NOTE: The right and left steering levers are adjusted the
same way. To access the tie-rod, place seat in service
position.
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.
OF3577
b. Turn tie-rod counterclockwise (lengthening the
distance between the steering lever and
hydrostatic transmission) several times.
1. Limiter Bolt
2. Jam Nut
3. Steering Lever
4. Stop Bracket
Figure 12
If the wheel is moving in a reverse direction:
ADJUSTING THE HEIGHT OF THE
STEERING LEVER HANDLES
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.
Position # 1
Position # 2
13. If wheel is still moving, repeat steps 7 through 12.
Position # 3
ADJUSTING THE UNIT TO TRACK
STRAIGHT
1. Eccentric
Spacer
2. Handle
3. Steering Lever
WARNING: Prior to adjusting the tracking of
the unit, shut OFF engine, engage parking
brake, and remove the ignition key.
Figure 13
OF3570
Check and adjust tire pressure. Increase pressure on
side unit tracks to. DO NOT exceed maximum
page 27 for correct tire pressure.
1. Shut OFF engine. Engage parking brake. Remove
the ignition key.
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2. Remove the spacer, handle, and eccentric spacers
from the steering lever.
is 1-1/2" (3.81 cm) clearance between the jam nuts
and trunnion.
NOTE: Position the right and left handles at the same
3. Tighten jam nuts together.
height position.
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.
3. Install the eccentric spacers, spacers and handle in
the appropriate height position. Do not tighten the
nuts holding the eccentric spacers.
4. Turn the eccentric spacer until the right and left
handles are the same height. Tighten nut.
5. Tighten return nuts together.
BELTS
ADJUSTING THE PARKING BRAKE
WARNING: MOVING PARTS can cut or
amputate body parts. ALWAYS wait for moving
parts to stop before performing maintenance or
service.
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.
CAUTION: DAMAGED OR WORN BELTS may
result in injury and/or damage to unit. Check
belts for excessive wear or cracks often.
Belt Access
1/16 to 1/8" (1.59
to 3.18 mm)
1-1/2"
(3.81 cm)
1. Properly stop and park unit (refer to Operation
Section).
2. Lower the mower.
3. Place seat in most rearward position.
4. Remove belt covers.
6. Secure raised footboard with latch.
1. Footboard in
open position
2. Pivot
3. Support
Frame
4. Latch
1. Parking Brake Lever
2. Brake Rod
4. Trunnion
5. Spring
3. Return Nuts
6. Jam Nuts
Figure 14
OF3303
Figure 15
Replacing Mower Belts
Check Adjustment
NOTE: Be sure to check the parking brake on both sides
OF3580
NOTE: Long mower belt must be removed to remove
short mower belt.
With the parking brake engaged, the spring length should
measure 1 1/2" 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.
CAUTION: Use care when releasing idler spring
tension. Keep body parts well away from idlers
when performing this operation.
Adjust the Parking Brake
1. Slowly release the tension on the long mower belt
idler until all the tension is removed from the
springs.
1. Engage the parking brake.
2. Turn the jam nuts clockwise to compress the spring
or counterclockwise to extend the spring until there
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2. Remove long mower belt from left blade spindle
and remove from deck.
4. Slowly release the tension on the hydro pump belt
idler until all the tension is removed from the
springs.
3. Slowly release the tension on the short belt idler
until all the tension is removed from the springs.
5. Remove old hydro pump belt from right hand
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
6. Install new hydro pump belt by positioning belt on
sheaves. Put belt onto right hand hydrostat sheave
last.
5. Arrange new mower belt(s) on deck (short belt
first). Retighten short mower belt idler pivot bolt.
Install belts on sheaves. Put belts onto center
sheave last.
7. Replace clutch anchor.
8. Replace long mower belt on mower clutch sheave.
6. Replace belt covers and return foot board to closed
position.
72" Belt
Layout
52" and 60"
Belt Layout
1. Right Hand Hydrostat
2. Hydro Belt
3. Left Hand Hydrostat
4. Spring
5. Clutch
6. Clutch Anchor
7. Engine Sheave
8. Idler
OF1631
Figure 17
1. Long Mower Belt
2. Springs
3. Center Sheave
4. Short Mower Belt Idler
5. Short Mower Belt
6. Mower Clutch Sheave
7. Long Mower Belt Idler
MOWER DECKS
Adjusting Anti-Scalp Rollers
The anti-scalp rollers are set at the factory for typical
mowing height, but can be adjusted for high or low
Rollers are intended to prevent lawn scalping, not to
control cutting height.
Figure 16
Replacing the Hydro Pump Belt
OF1641
For a very high cutting height, set the rollers in their
lowest position on the bracket.
1. Properly stop and park unit (refer to Operation
Section).
For a very low cutting height, set the rollers in their
highest position on the bracket.
2. Remove the long mower belt from the mower clutch
All rollers should be set at the same height.
CAUTION: Use care when releasing idler spring
tension. Keep body parts well away from idlers
when performing this operation.
3. Remove clutch anchor.
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Level the mower with the slots where 4 chains fasten to
the mower mounting brackets (Figure 20).
Lowest
Cutting
Height
1. Shut off engine. Engage parking brake. Remove
the ignition key.
2. Raise mower deck to its highest position and place
4.75 in. (12.1 cm) tall blocks at each rear corner
and 4.625 in. (11.7 cm) tall blocks at each front
corner.
Highest
Cutting
Height
3. Lower deck onto the blocks.
4. Loosen the locknuts on the side where the chains
are slack and slide the bolt down the slot until the
chains are tight.
Figure 18
Removing the Mower Deck
OF3590
5. Tighten the locknuts.
6. Lift mower and remove blocks.
7. Measure height of deck at each side.
Measurements must be within 3/16 in. (4.76 mm) of
each other.
2. Remove link chains from mower lift arms. Note hole
location on mower lift arms for replacement.
3. Remove mower mounting arms from frame.
4. Slide mower deck out from under unit.
8. If measurements are out of range, fix by adjusting
chains on low side of deck.
9. 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 in. + 1/8 in. (3.18 + 3.18
mm) lower than rear.
3
3
1
1
1. Mower Lift Arm
2. Link Chain
3. Mower Mounting Arm
4. PTO (Long) Mower
Belt
Of0316
Figure 19
5
2
4
1. Chains
2. Lock Nuts and Slots
3. Mower Mounting
Brackets
4. 4.675 in. (11.7 cm)
Blocks
5. 4.75 in. (12 cm) Blocks
Installing the Mower Deck
1. Slide mower deck under unit.
2. Install mower mounting arms on frame.
3. Install link chains on the mower lift arms in the
same holes they were removed from.
Figure 20
OF3760
5. Level mower deck.
Leveling the Mower Deck
These adjustments should be made on a level surface
with the tires inflated to the correct air pressure.
GB - 24
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LONG TERM
STORAGE
Clean unit thoroughly with mild soap and low pressure
Maintenance). Touch up all scratched painted surfaces.
WARNING: AVOID INJURY. Read and
understand entire Safety section before
proceeding.
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.
SHORT TERM
NEVER spray unit with high pressure water or store unit
outdoors.
Clean and charge the battery. Charge battery every three
to four weeks when storing unit.
Inspect unit for visible signs of wear, breakage or
damage.
To Take the Unit Out of Storage
Keep all nuts, bolts and screws properly tightened and
know unit is in safe working condition.
1. Refer to the engine service manual to prepare the
engine for service.
Store unit in a cool, dry protected area.
2. Put fresh, clean fuel in the fuel tank.
3. Begin the maintenance schedule.
4. Charge and install the battery.
TROUBLESHOOTING
PROBLEM
PROBABLE CAUSE
CORRECTION
1. PTO engaged.
1. Disengage PTO.
Engine does not
crank.
2. Parking brake disengaged.
3. Loose or corroded battery cables.
2. Engage parking brake.
4. Discharged battery.
5. See your Gravely Dealer.
5. Faulty starter.
1. Fuel tank empty.
1. Fill fuel tank (see Filling Fuel Tank on
Engine cranks but
does not start.
page 13).
2. Faulty spark plug.
3. Air cleaner is plugged or dirty.
4. Fuel filter is dirty.
2. Replace spark plug. Refer to Engine
Manual.
3. Clean or replace air cleaner. Refer to
Engine Manual.
4. Clean or replace fuel filter. Refer to
Engine Manual.
5. Faulty engine.
5. Refer to Engine Manual or see your
Gravely Dealer.
1. Discharged battery.
1. Oil pressure is low.
Battery light does not
light up when starting
engine.
1. Refer to Engine Manual.
Oil pressure light is
on.
1. Ignition ground wire disconnected.
2. Ignition switch failure.
1. Connect ground wire to clean metal
surface.
Engine continues to
run when ignition key
is in the off position.
2. Replace ignition switch (see your Gravely
Dealer).
GB - 25
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TROUBLESHOOTING
PROBLEM
PROBABLE CAUSE
CORRECTION
1. Operator presence switch not depressed.
2. Eye-QTM alarm setting is turned on.
1. Depress operator presence switch by
sitting on seat.
PTO or mower blades
do not engage or
shuts off.
2. Turn off the alarm that deactivates the
PTO on a regular schedule. See Eye-Q
Owner’s Manual.
3. The Eye-QTM circuitry senses an
overload to the PTO clutch and is
shutting off the PTO switch.
3. Check the mower deck for clogging or
debris. Check the electrical system to the
clutch for damage or wear.
4. Faulty PTO switch.
4. See your Gravely Dealer.
1. Parking brake engaged.
1. Disengage parking brake.
Unit does not drive.
2. Transmission bypass levers open.
3. Hydraulic oil level low.
4. Faulty hydraulic drive system.
4. See your Gravely dealer.
SERVICE PARTS
ACCESSORIES
Part No.
Qty Description
Part No.
Description
01554800
21539600
21539700
21537000
21536900
21536300
21535800
21397200
09246900
21536100
21525900
07240700
07241300
07242300
07222300
07235000
07237700
07242000
04916400
04917900
09081200
08866900
09290500
09290600
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Battery
78803500
78803900
79200300
79200400
79200900
79201000
79201600
79201700
79202000
79202100
79202300
79202400
79202600
79202800
79203100
89200100
89200200
52" Mulching Kit
Air Filter Outer Element - Kawasaki
Air Filter Inner Element - Kawasaki
Outer Primary Element - Kohler
Inner Safety Element - Kohler
Element Precleaner - Kohler 25 HP
Engine Oil Filter - Kawasaki
Engine Oil Filter - Kohler
Hydraulic Oil Filter
52" Bahia/Tall Grass Baffle Kit
60" Mulching Kit
Discharge Cover Kit - 60" Decks
72" Mulching Kit
Discharge Cover Kit - 72" Decks
60" Bahia/Tall Grass Baffle Kit
Counterweight Kit
Spark Plug - Kawasaki
Spark Plug - Kohler
72" Bahia/Tall Grass Baffle Kit
Liftmaster Kit
PTO (Engine to Deck) Belt (52")
PTO (Engine to Deck) Belt (60")
PTO (Engine to Deck) Belt (72")
Mower Drive Belt (52")
Mower Drive Belt (60")
Mower Drive Belt (72")
Traction (Hydro Pump) Belt - Poly V
Blade (52")
Hitch Kit
Antiscalp Wheel Kit
Lawn Striper Kit, 60" and 72"
Discharge Cover Kit - 52" Decks
Lawn Striper Kit, 52"
Rollover Protection System (ROPS)
Mulch Blade (52")
60" Bagger (Peco) (requires bumper p/n
09249953)
Blade (60")
Mulch Blade (60")
89200500
60" Bagger
Blade (72")
Mulch Blade (72")
GB - 26
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SPECIFICATIONS
Model Number
Model
992066
252Z
992067
992068
992069
992070
272Z
992071
252Z
992072
272Z
260Z
260Z
260Z
Length – cm (in)
Height – cm (in)
Width – cm (in)
203 (80)
127 (50)
165 (65)
185 (73)
216 (85)
165 (65)
216 (85)
Weight Actual – kg (lbs) 476.2 (1050)
510.2 (1125)
532.9 (1175) 476.2 (1050) 532.9 (1175)
Battery
12 volt
Brakes
Hydro/Dynamic Drum– Parking
0
Turning Radius
Tire Size
Front
Rear
15 x 6 - 6
24 x 12 - 12
Engine – manufacturer
Model Number
Cycle
Kawasaki
Kawasaki
Kohler
Kohler EFI
CV74SS
4
Kawasaki
Kohler
FH721V
CV740S
FH721V
CV740S
Engine Power – HP
(kW) @ Governed RPM
25 (18.6)
27 (20.1)
28 (20.9)
25 (18.6)
27 (20.1)
Governed RPM
Idle RPM
3600
1800
Starting System
Fuel Tank Capacity
Fuel
Electric
14 gals. US (53 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.
13 MPH (20.8 KM/H)
6 MPH (9.6 KM/H)
Transmission Lube
Drive Clutch
Mobil 1 15W-50 Synthetic
Hydrostatic
20-25 psi (138-172 kN/m2)
12-15 psi (83-103 kN/m2)
Tire Pressure Front
Rear
Lift System
Hydraulic
Power Take Off
Electric PTO Clutch/Brake
Cutting Width – cm (in)
Cutting Height – cm (in)
Cut Increments – cm (in)
132 (52)
152 (60)
183 (72)
132 (52)
183 (72)
2.5 - 12.7 (1 - 5)
Infinite between 2.5 -12.7 (1 - 5)
226.8 (500)
Max. Towing Capacity –
kg (lbs)
Max. Tongue Weight –
kg (lbs)
22.7 (50)
GB - 27
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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.
Purchaser’s Responsibilities
Exclusions (No Warranty)
• The purchaser must perform maintenance and minor
adjustments per the operator’s 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.
• 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.
Product Registration
• Returning the product registration card to Gravely will enable
the company to contact the registrant with repair or replacement
part information.
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
DISCLAIMER OF FURTHER WARRANTY
Gravely’s 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
defective part. In no event shall Gravely be liable for incidental,
expressly made in this warranty. If the law of your
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 - 28
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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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