Kubota Z723 User manual

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OPERATOR'S MANUAL
1BDABEAAP0010
READ AND SAVE THIS MANUAL
MODELS
ENGLISH
Z723
Z724
Z725
K3811-7121-3

ENGLISH
Abbreviations Definitions
ABBREVIATION LIST
API
PTO
RH/LH
ROPS
rpm
SAE
American Petroleum Institute
Power Take Off
Right-hand and left-hand sides are determined by facing in
the direction of forward travel
Roll-Over Protective Structures
Revolutions Per Minute
Society of Automotive Engineers
UNIVERSAL SYMBOLS
As a guide to the operation of your machine, various universal symbols have been utilized on the instruments and
controls. The symbols are shown below with an indication of their meaning.
Safety Alert Symbol
Read Operator's Manual
Gasoline Fuel
Fuel-Level
Parking Brake-Engaged position
Parking Brake-Disengaged position
Battery Charging Condition
Engine-Stop
Engine-Run
Starter Control
Power Take-Off Switch Control-Off Position
(Disengaged)
Power Take-Off Switch Control-On Position
(Engaged)
Hours
Cutting Height
Fast
Slow
Engine Speed Control
Choke
This spark ignition system complies with Canadian ICES-002.
California Proposition 65
WARNING
Engine exhaust, some of its constituents,
certain vehicle components and fluids,
contain or emit chemicals known to the
State of California to cause cancer and birth
defects or other reproductive harm.

ENGLISH
FOREWORD
3
SAFETY FIRST
IMPORTANT :
NOTE :
3DANGER :
3WARNING :
3CAUTION :
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in minor or moderate injury.
Indicates that equipment or property damage could result if
instructions are not followed.
Gives helpful information.
You are now the proud owner of a KUBOTA ZERO TURN MOWER. This machine
is a product of KUBOTA's quality engineering and manufacturing. It is made of
excellent materials and under a rigid quality control system. It will give you long,
satisfactory service. To obtain the best use of your machine, please read this
manual carefully. It will help you become familiar with the operation of the machine
and contains many helpful hints about machine maintenance. It is KUBOTA's policy
to utilize, as quickly as possible, every advance in our research. The immediate use
of new techniques in the manufacturing of products may cause some small parts of
this manual to become outdated. KUBOTA distributors and dealers will have the
most up-to-date information. Please do not hesitate to consult them.
This symbol, the industry's ''Safety Alert Symbol'', is used throughout this manual
and on labels on the machine itself to warn of the possibility of personal injury.
Read these instructions carefully. It is essential that you read the instructions and
safety regulations before you attempt to assemble or use this unit.

CONTENTS
ENGLISH
SAFE OPERATION ............................................................................................ -1
SERVICING OF MACHINE ......................................................................................... 1
SPECIFICATIONS....................................................................................................... 3
IMPLEMENT LIMITATIONS ........................................................................................ 5
INSTRUMENT PANEL AND CONTROLS................................................................... 6
MOWER MOUNTING .................................................................................................. 8
MOUNTING THE MOWER DECK ........................................................................... 8
ADJUSTING THE MOWER ................................................................................... 10
DISMOUNTING THE MOWER DECK ................................................................... 11
OPERATING THE ENGINE....................................................................................... 12
MOUNT AND DISMOUNT MACHINE SAFELY..................................................... 12
STARTING THE ENGINE ...................................................................................... 12
Throttle Lever and Choke lever ...................................................................................... 14
Key Switch......................................................................................................................14
CHECK DURING OPERATING ............................................................................. 15
Immediately Stop the Engine if:...................................................................................... 15
Easy Checker (TM)......................................................................................................... 15
Fuel Gauge.....................................................................................................................15
Hour Meter......................................................................................................................15
COLD WEATHER STARTING ............................................................................... 16
WARMING UP ....................................................................................................... 16
Warm-up and Transmission Oil in the Low Temperature Range.................................... 16
JUMP STARTING .................................................................................................. 16
STOPPING THE ENGINE...................................................................................... 17
OPERATING THE MACHINE.................................................................................... 18
OPERATING NEW MACHINE ............................................................................... 18
Changing Lubricating Oil for New Machines................................................................... 18
Machine Break-in............................................................................................................ 18
OPERATING FOLDABLE ROPS ........................................................................... 19
To Fold the ROPS ..........................................................................................................19
To Raise the ROPS to Upright Position.......................................................................... 20
Adjustment of Foldable ROPS........................................................................................20
STARTING ............................................................................................................. 20
Operator's Seat............................................................................................................... 20
Seat Belt ......................................................................................................................... 21
Mower Lift Pedal.............................................................................................................22
Throttle Lever..................................................................................................................23
Parking Brake Pedal.......................................................................................................23
Motion Control Lever ......................................................................................................23
STOPPING............................................................................................................. 25
PARKING............................................................................................................... 26
TRANSPORTING................................................................................................... 26
Hydrostatic Transaxle Bypass Lever .............................................................................. 27

CONTENTS
ENGLISH
OPERATING THE MOWER ...................................................................................... 28
MAKING THE MOST OF YOUR MOWER............................................................. 28
ADJUSTING CUTTING HEIGHT ........................................................................... 28
OPERATING MOWER........................................................................................... 31
PTO Switch.....................................................................................................................31
Starting ........................................................................................................................... 31
TIRES AND WHEELS ............................................................................................... 32
TIRES..................................................................................................................... 32
Inflation Pressure............................................................................................................ 32
WHEELS ................................................................................................................ 32
Remove and Install Front Caster Wheels.......................................................................33
MAINTENANCE......................................................................................................... 34
SERVICE INTERVALS .......................................................................................... 34
PERIODIC SERVICE CHART LABEL ................................................................... 36
LUBRICANTS AND FUEL...................................................................................... 37
PERIODIC SERVICE................................................................................................. 38
HOW TO OPEN THE STEP................................................................................... 38
Step ................................................................................................................................ 38
HOW TO RAISE THE OPERATOR'S SEAT.......................................................... 38
DAILY CHECK ....................................................................................................... 39
Checking Engine Oil Level.............................................................................................. 40
Checking Amount of Fuel and Refueling ........................................................................40
Checking and Cleaning Air Intake Screen......................................................................41
Checking Tire Pressure .................................................................................................. 42
Inflation Pressure............................................................................................................ 42
Checking Transaxle Fluid Level......................................................................................42
Checking Dial Cam Rotation Force ................................................................................43
Checking Movable Parts................................................................................................. 43
EVERY 50 HOURS ................................................................................................ 43
Checking Engine Start System ....................................................................................... 43
Checking OPC System ................................................................................................... 44
Greasing ......................................................................................................................... 45
Checking Muffler and Spark Arrester (if equipped).........................................................45
EVERY 100 HOURS .............................................................................................. 46
Changing Engine Oil.......................................................................................................46
Checking Carbon Canister Air Filter ............................................................................... 47
Checking Air Cleaner Outer Element..............................................................................47
Checking Fuel Lines and Fuel Filter ............................................................................... 48
Adjusting Parking Brake ................................................................................................. 49
Checking Battery Condition ............................................................................................ 50
Adjusting Choke Cable ................................................................................................... 52
Adjusting Throttle Cable ................................................................................................. 52
Cleaning Engine Cooling Areas...................................................................................... 53
Cleaning Engine Oil Cooler Fins.....................................................................................54
Greasing ......................................................................................................................... 54
EVERY 200 HOURS .............................................................................................. 55
Checking Hydraulic Hose ............................................................................................... 55
Checking Spark Plug Condition & Gap...........................................................................56
Replacing Engine Oil Filter ............................................................................................. 56