Kubota Z231kw-au User manual

AY . A . 2 - 2 . - . AK

PRINTED IN U.S.A. ©KUBOTA Corporation 2019

English (Australia)

Code No. K3004-7125-1

Z231KW

OPERATOR'S MANUAL

READ AND SAVE THIS MANUAL

1WJLE00001A01

Z231KW-AU

MODEL

KUBOTA Corporation is ···

Since its inception in 1890, KUBOTA Corporation has grown to

rank as one of the major firms in Japan.

To achieve this status, the company has through the years

diversified the range of its products and services to a remarkable

extent, until today, 30 plants and 35,000 employees produce over

1,000 different items, large and small.

All these products and all the services which accompany them,

however, are unified by one central commitment. KUBOTA makes

products which, taken on a national scale, are basic necessities.

Products which are indispensable, products intended to help

individuals and nations fulfill the potential inherent in their

environment. For KUBOTA is the Basic Necessities Giant.

This potential includes water supply, food from the soil and from

the sea, industrial development, architecture, construction and

transportation.

Thousands of people depend on KUBOTA's know-how, technology,

experience and customer service. You too can depend on

KUBOTA.

Abbreviations Definitions

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

Safety Alert Symbol

Read Operator's Manual

Gasoline Fuel

Fuel-Level

Parking Brake-Engaged position

Parking Brake-Disengaged position

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

ABBREVIATION LIST

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.

DANGER :

WARNING :

CAUTION :

FOREWORD

SAFETY FIRST

IMPORTANT :

NOTE :

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

SAFE OPERATION......................................................................................................................5

SERVICING OF MACHINE........................................................................................................15

WARRANTY........................................................................................................................................................ 15

SCRAPPING THE MACHINE AND ITS PROCEDURE...................................................................................... 16

SPECIFICATIONS......................................................................................................................17

SPECIFICATION TABLE..................................................................................................................................... 17

IMPLEMENT LIMITATIONS.......................................................................................................19

TERMS OF USE ................................................................................................................................................. 19

INSTRUMENT PANEL AND CONTROLS.................................................................................20

INSTRUMENT PANEL, SWITCHES AND HAND CONTROLS .......................................................................... 20

MOWER.............................................................................................................................................................. 21

MOWER MOUNTING.................................................................................................................22

MOUNTING THE MOWER DECK ...................................................................................................................... 22

ADJUSTING THE MOWER ................................................................................................................................ 23

DISMOUNTING THE MOWER DECK ................................................................................................................ 23

OPERATING THE ENGINE .......................................................................................................24

GETTING ON AND OFF THE MACHINE SAFELY............................................................................................. 24

STARTING THE ENGINE ................................................................................................................................... 24

1. Choke knob ............................................................................................................................................... 25

2. Throttle lever.............................................................................................................................................. 25

3. Key switch ................................................................................................................................................. 25

STOPPING THE ENGINE................................................................................................................................... 26

CHECK DURING OPERATING .......................................................................................................................... 26

1. Fuel gauge................................................................................................................................................. 26

2. Hour meter................................................................................................................................................. 27

COLD WEATHER STARTING............................................................................................................................. 27

WARMING UP THE ENGINE ............................................................................................................................. 27

1. Warm-up and transmission oil in the low temperature range .................................................................... 27

JUMP STARTING ............................................................................................................................................... 28

OPERATING THE MACHINE ....................................................................................................29

OPERATING A NEW MACHINE......................................................................................................................... 29

1. Changing lubricating oil for new machine.................................................................................................. 29

2. Engine break-in ......................................................................................................................................... 29

STARTING THE MACHINE ................................................................................................................................ 29

1. Operator's seat .......................................................................................................................................... 30

2. Seat belt .................................................................................................................................................... 30

3. Light switch (if equipped)........................................................................................................................... 30

4. Mower lift pedal ......................................................................................................................................... 31

5. Throttle lever.............................................................................................................................................. 31

6. Parking brake lever.................................................................................................................................... 31

7. Motion control lever ................................................................................................................................... 31

7.1 Stop position of the motion control lever ............................................................................................ 32

7.2 Operating position of the motion control lever.................................................................................... 32

STOPPING THE MACHINE................................................................................................................................ 33

PARKING THE MACHINE .................................................................................................................................. 34

TRANSPORTING THE MACHINE...................................................................................................................... 34

1. Hydrostatic transaxle bypass rods............................................................................................................. 34

OPERATING THE MOWER.......................................................................................................36

Z231KW-AU

MOWING TIPS.................................................................................................................................................... 36

ADJUSTING THE CUTTING HEIGHT................................................................................................................ 36

OPERATING THE MOWER................................................................................................................................ 37

1. PTO switch ................................................................................................................................................ 38

2. Starting the machine.................................................................................................................................. 38

TIRES AND WHEELS................................................................................................................39

TIRES.................................................................................................................................................................. 39

1. Inflation pressure ....................................................................................................................................... 39

WHEELS............................................................................................................................................................. 39

1. Removing the front caster wheels ............................................................................................................. 39

2. Installing the front caster wheels ............................................................................................................... 40

MAINTENANCE.........................................................................................................................41

SERVICE INTERVALS........................................................................................................................................ 41

LUBRICANTS AND FUEL................................................................................................................................... 42

PERIODIC SERVICE .................................................................................................................43

RAISING AND LOWERING THE OPERATOR'S SEAT...................................................................................... 43

DAILY CHECK .................................................................................................................................................... 43

1. Checking the engine oil level..................................................................................................................... 44

2. Checking the amount of fuel and refueling ................................................................................................ 44

3. Checking and cleaning the air intake screen............................................................................................. 45

4. Checking the tire pressure......................................................................................................................... 46

4.1 Inflation pressure................................................................................................................................ 46

5. Checking movable parts ............................................................................................................................ 46

EVERY 50 HOURS............................................................................................................................................. 46

1. Checking the engine start system ............................................................................................................. 46

2. Checking the OPC system ........................................................................................................................ 47

3. Checking the muffler and spark arrester (if equipped)............................................................................... 47

EVERY 100 HOURS........................................................................................................................................... 48

1. Changing the engine oil............................................................................................................................. 48

2. Cleaning the air cleaner paper element..................................................................................................... 49

3. Cleaning engine shroud............................................................................................................................. 49

4. Checking the spark plug ............................................................................................................................ 50

5. Checking the fuel filter ............................................................................................................................... 50

6. Checking the battery condition .................................................................................................................. 51

6.1 Charging the battery........................................................................................................................... 52

6.2 Storing the battery.............................................................................................................................. 53

7. Adjusting the throttle cable ........................................................................................................................ 53

8. Adjusting the choke cable.......................................................................................................................... 53

EVERY 200 HOURS........................................................................................................................................... 54

1. Replacing the engine oil filter .................................................................................................................... 54

2. Replacing the air cleaner paper element................................................................................................... 54

EVERY 300 HOURS........................................................................................................................................... 55

1. Cleaning the combustion chamber ............................................................................................................ 55

2. Checking the engine valve clearance........................................................................................................ 55

EVERY 500 HOURS........................................................................................................................................... 55

1. Adjusting the electric clutch ....................................................................................................................... 55

EVERY 1 YEAR .................................................................................................................................................. 56

1. Replacing fuel filter .................................................................................................................................... 56

2. Checking fuel lines .................................................................................................................................... 56

3. Checking the muffler and spark arrester (if equipped)............................................................................... 56

4. Replacing spark plug ................................................................................................................................. 56

5. Checking engine valve clearance.............................................................................................................. 56

EVERY 4 YEARS................................................................................................................................................ 56

1. Replacing fuel lines ................................................................................................................................... 56

SERVICE AS REQUIRED................................................................................................................................... 56

1. Replacing fuses ......................................................................................................................................... 56

Z231KW-AU