Kubota BX2350D User manual

ENGLISH
OPERATOR'S MANUAL
READ AND SAVE THIS MANUAL
1AGAJBAAP0010
BX2350D
KUBOTA
TRACTOR
MODEL
K2683-7125-3

Abbreviations Definitions
ABBREVIATION LIST
Two Wheel Drive
Four Wheel Drive
American Petroleum Institute
American Society of Agricultural and Biological Engineers, USA
American Society for Testing and Materials, USA
Deutsches Institut für Normung, GERMANY
Dual Traction [4WD]
High Speed-Low Speed
Hydrostatic Transmission
Meters Per Second
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
Revolutions Per Second
Society of Automotive Engineers, USA
2WD
4WD
API
ASABE
ASTM
DIN
DT
Hi-Lo
HST
m/s
PTO
RH/LH
ROPS
rpm
r/s
SAE
manufacturer or distributor of the machine
the model designation of the machine
the name or type of publication
the part number of this Operator’s Manual
the publication date
the language in which the manual is written
Kubota Corporation
BX2350D
Operator's Manual
K2683-7125-3
September 28, 2012
the date of issue March 9, 2012
English
Intended use
This machine is designed solely for use in customary agricultural or similar operations. Use in any other way is
considered as contrary to the intended use. Compliance with and strict adherence to the conditions of operation,
service, and repair as specified by the manufacturer, also constitute essential elements of the intended use.
This machine should be operated, serviced, and repaired only by persons who are familiar with its particular
characteristics and who are acquainted with the relevant safety procedures.
Accident prevention regulations, all other generally recognized regulations on safety and occupational medicine,
and all road traffic regulations must be observed at all times.
Any arbitrary modifications carried out to this machine may relieve the manufacturer of liability for any resulting
damage or injury.

UNIVERSAL SYMBOLS
As a guide to the operation of your tractor, various universal symbols have been utilized on the instruments and
controls. The symbols are shown below with an indication of their meaning.
ENGLISH
Safety Alert Symbol
Read Operator's Manual
Hourmeter/Elapsed Operating Hours
Diesel Fuel
Fuel-Level
Empty
Full
Engine-Run
Diesel Preheat/Glow Plugs (Low Temperature
Start Aid)
Starter Control
Engine-Stop
Engine Oil-Pressure
Engine Coolant-Temperature
Battery Charging Condition
Electrical Power-accessories
Audible Warning Device
Hazard Warning Lights
Position Light/Parking Light
Turn Signal
Brake Light
Headlight-Low Beam
Headlight-High Beam
Beacon Light
Work Light
Front Wiper/Washer
Heater Fan
Engine Speed Control
Slow
Fast
Brake
Parking Brake
Four-Wheel Drive-Off
Four-Wheel Drive-On
Speed set-Off
Speed set-On
Differential Lock
Hydraulic Control-Lowered Position
Hydraulic Control-Raised Position
3-Point Lowering Speed Control
Remote Cylinder-Retract
Remote Cylinder-Extend
Mid-PTO
Mid-Rear-PTO
Rear-PTO
Power Take-Off Clutch Control-Off Position
Power Take-Off Clutch Control-On Position

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.
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, may result in minor or moderate injury.
Indicates that equipment or property damage could result if
instructions are not followed.
Gives helpful information.
FOREWORD
You are now the proud owner of a KUBOTA Tractor. This tractor is a product of
KUBOTA 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 tractor, please read this manual carefully. It will help
you become familiar with the operation of the tractor and contains many helpful
hints about rotary mower 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 manufacture 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.

CONTENTS
ENGLISH
SAFE OPERATION ............................................................................................ -1
SERVICING OF TRACTOR......................................................................................... 1
SPECIFICATIONS....................................................................................................... 2
SPECIFICATION TABLE ......................................................................................... 2
TRAVELING SPEEDS ............................................................................................. 3
IMPLEMENT LIMITATIONS ........................................................................................ 4
INSTRUMENT PANEL AND CONTROLS................................................................... 7
PRE-OPERATION CHECK ......................................................................................... 9
DAILY CHECK ......................................................................................................... 9
OPERATING THE ENGINE....................................................................................... 10
STARTING THE ENGINE ...................................................................................... 10
Cold Weather Starting ....................................................................................................12
Block Heater (Option) ..................................................................................................... 12
STOPPING THE ENGINE...................................................................................... 12
WARMING UP ....................................................................................................... 13
Warm-up and Transmission Oil in the Low Temperature Range.................................... 13
JUMP STARTING .................................................................................................. 13
OPERATING THE TRACTOR ................................................................................... 14
OPERATING NEW TRACTOR .............................................................................. 14
Do not Operate the Tractor at Full Speed for the First 50 Hours.................................... 14
Changing Lubricating Oil for New Tractors..................................................................... 14
BOARDING AND LEAVING THE TRACTOR ........................................................ 14
STARTING ............................................................................................................. 14
Operator's Seat............................................................................................................... 14
Seat Belt ......................................................................................................................... 15
Head Light Switch...........................................................................................................15
Hazard Light Switch........................................................................................................ 16
Turn Signal Light Switch .................................................................................................16
Position Light Switch....................................................................................................... 16
Horn Button.....................................................................................................................16
Beacon Light Switch ....................................................................................................... 17
Tractor Lights..................................................................................................................17
Brake Pedal ....................................................................................................................18
Emergency Hand Brake Lever........................................................................................18
Range Gear Shift Lever (Hi-Lo)......................................................................................19
Front Wheel Drive Lever.................................................................................................19
Hand Throttle Lever ........................................................................................................ 20
Parking Brake Pedal.......................................................................................................20
Speed Control Pedal....................................................................................................... 20
Speed Set Device ........................................................................................................... 21
STOPPING............................................................................................................. 21
Stopping.......................................................................................................................... 21
CHECK DURING DRIVING ................................................................................... 22

CONTENTS
ENGLISH
Immediately Stop the Engine if:...................................................................................... 22
Easy Checker(TM).......................................................................................................... 22
Fuel Gauge.....................................................................................................................22
Coolant Temperature Gauge .......................................................................................... 23
Hourmeter/Tachometer................................................................................................... 23
PARKING ............................................................................................................... 24
Parking............................................................................................................................ 24
ACCESSORY......................................................................................................... 24
12V Electric Outlet..........................................................................................................24
OPERATING TECHNIQUES ................................................................................. 25
Differential Lock..............................................................................................................25
Operating the Tractor on a Road.................................................................................... 25
Trailer Electrical Outlet ................................................................................................... 26
Operating on a Slopes and Rough Terrain .....................................................................26
Transport the Tractor Safely...........................................................................................26
Directions for Use of Power Steering..............................................................................26
PTO ........................................................................................................................... 27
PTO OPERATION.................................................................................................. 27
PTO Select Lever ........................................................................................................... 27
PTO Clutch Lever ...........................................................................................................28
PTO Shaft Cover and Shaft Cap .................................................................................... 28
Stationary PTO ............................................................................................................... 28
PTO Drive Shaft..............................................................................................................29
THREE-POINT HITCH & DRAWBAR........................................................................ 30
3 -POINT HITCH .................................................................................................... 31
Attaching and detaching implements.............................................................................. 31
Lifting Rod (Right)........................................................................................................... 31
Top Link.......................................................................................................................... 31
Check Chains ................................................................................................................. 31
DRAWBAR............................................................................................................. 31
HYDRAULIC UNIT..................................................................................................... 32
3-POINT HITCH CONTROL SYSTEM................................................................... 32
Hydraulic Control ............................................................................................................ 32
3-point Hitch Lowering Speed.........................................................................................32
REMOTE HYDRAULIC CONTROL SYSTEM........................................................ 33
Remote Control Valve Coupler Connecting and Disconnecting ..................................... 33
Remote Control Valve Lever...........................................................................................33
AUXILIARY HYDRAULICS .................................................................................... 34
Hydraulic Outlet .............................................................................................................. 34
MOWER LIFT LINKAGE SYSTEM ........................................................................ 34
Cutting Height Control Dial ............................................................................................. 34
Hydraulic Control Unit Use Reference Chart.................................................................. 35
AUXILIARY HYDRAULIC CONTROL VALVE (IF EQUIPPED) ............................. 36
Valve Lock ......................................................................................................................36
Auxiliary Hydraulic Ports.................................................................................................36
Control Lever and Hydraulic Hose Connections.............................................................37
Controlling Loader (Only if equipped with loader)...........................................................38
TIRES, WHEELS AND BALLAST.............................................................................. 39
TIRES..................................................................................................................... 39

CONTENTS
ENGLISH
Inflation Pressure............................................................................................................ 39
WHEEL TREAD ..................................................................................................... 39
Front Wheels .................................................................................................................. 39
Rear Wheels ................................................................................................................... 40
BALLAST ............................................................................................................... 41
Front Ballast.................................................................................................................... 41
Rear Ballast ....................................................................................................................42
Maximum Masses........................................................................................................... 42
CAB OPERATION ..................................................................................................... 43
DOOR AND WINDOW........................................................................................... 43
Locking and Unlocking the Door..................................................................................... 43
Opening the Door ........................................................................................................... 43
Closing the Door.............................................................................................................43
Rear Window .................................................................................................................. 44
Front Window.................................................................................................................. 44
Emergency Exit............................................................................................................... 45
WIPER ................................................................................................................... 45
Front Wiper / Washer Switch..........................................................................................45
Washer Fluid Tank.......................................................................................................... 45
Using the Wipers in Cold Season................................................................................... 45
HEATER................................................................................................................. 46
Airflow ............................................................................................................................. 46
Fan Switch......................................................................................................................46
Air Control Vent ..............................................................................................................46
Operation........................................................................................................................ 47
CAB ACCESSORY ................................................................................................ 47
Sun Visor ........................................................................................................................ 47
BEACON (if equipped) ........................................................................................... 47
Beacon Light Switch ....................................................................................................... 47
Beacon Position.............................................................................................................. 47
WORK LIGHT (if equipped) ................................................................................... 48
Work Light Switch...........................................................................................................48
Front Work Light ............................................................................................................. 48
Rear Work Light.............................................................................................................. 48
MAINTENANCE......................................................................................................... 49
SERVICE INTERVALS .......................................................................................... 49
LUBRICANTS, FUEL AND COOLANT .................................................................. 51
PERIODIC SERVICE................................................................................................. 53
HOW TO OPEN THE HOOD ................................................................................. 53
Hood ............................................................................................................................... 53
Engine Cover .................................................................................................................. 53
DAILY CHECK ....................................................................................................... 54
Walk Around Inspection.................................................................................................. 54
Checking and Refueling.................................................................................................. 54
Checking Engine Oil Level.............................................................................................. 55
Checking Transmission Fluid Level................................................................................55
Checking Coolant Level.................................................................................................. 56
Cleaning Panel and Radiator Screen ............................................................................. 56
Checking Brake Pedal .................................................................................................... 57
Checking Gauges, Meter and Easy Checker(TM) ..........................................................57

CONTENTS
ENGLISH
Checking Head Light, Hazard Light etc. .........................................................................57
Checking Seat Belt and ROPS....................................................................................... 57
Checking and Cleaning of Electrical Wiring and Battery Cables ....................................57
Checking Movable Parts................................................................................................. 58
EVERY 50 HOURS ................................................................................................ 58
Lubricating Grease Fittings.............................................................................................58
Checking Safety Devices................................................................................................ 58
Checking Wheel Bolt Torque..........................................................................................59
EVERY 100 HOURS .............................................................................................. 60
Battery ............................................................................................................................ 60
Cleaning Air Cleaner Element ........................................................................................61
Checking Fuel Lines and Fuel Filter ............................................................................... 62
Adjusting Fan Belt Tension.............................................................................................63
Adjusting HST Neutral Spring (for Speed Control Pedal)...............................................63
Adjusting Brake Pedal and Emergency Hand Brake ......................................................64
EVERY 200 HOURS .............................................................................................. 65
Replacing Engine Oil Filter .............................................................................................65
Changing Engine Oil....................................................................................................... 65
Replacing Transmission Oil Filter ................................................................................... 66
Checking Radiator Hoses and Clamps...........................................................................66
Checking Intake Air Line................................................................................................. 67
Adjusting Toe-in.............................................................................................................. 67
Checking Power Steering Line .......................................................................................68
EVERY 400 HOURS .............................................................................................. 68
Adjusting Front Axle Pivot...............................................................................................68
Changing Transmission Fluid ......................................................................................... 68
Cleaning Transmission Strainer...................................................................................... 69
Changing Front Axle Case Oil ........................................................................................ 70
EVERY 500 HOURS .............................................................................................. 70
Replacing Fuel Filter Element.........................................................................................70
EVERY 800 HOURS .............................................................................................. 70
Adjusting Engine Valve Clearance .................................................................................70
EVERY 1500 HOURS ............................................................................................ 70
Checking Fuel Injection Nozzle Injection Pressure.........................................................70
EVERY 3000 HOURS ............................................................................................ 70
Checking Injection Pump ................................................................................................ 70
EVERY 1 YEAR ..................................................................................................... 70
Replacing Air Cleaner Element.......................................................................................70
EVERY 2 YEARS................................................................................................... 70
Flushing Cooling System and Changing Coolant ...........................................................70
Anti-Freeze .....................................................................................................................71
Replacing Radiator Hose (Water pipes) ......................................................................... 72
Replacing Power Steering Hose.....................................................................................72
Replacing Fuel Lines ...................................................................................................... 72
Replacing Engine Breather Hose ................................................................................... 72
Replacing Intake Air Line................................................................................................ 72
SERVICE AS REQUIRED...................................................................................... 72
Bleeding Fuel System..................................................................................................... 72
Replacing Fuse............................................................................................................... 73
Replacing Light Bulb....................................................................................................... 74
STORAGE ................................................................................................................. 75

CONTENTS
ENGLISH
TRACTOR STORAGE ........................................................................................... 75
REMOVING THE TRACTOR FROM STORAGE................................................... 75
TROUBLESHOOTING............................................................................................... 76
ENGINE TROUBLESHOOTING ............................................................................ 76
OPTIONS................................................................................................................... 77
APPENDICES............................................................................................................ 78
MAXIMUM MASSES.............................................................................................. 78
Maximum Permissible Load of The Tire ......................................................................... 78
Trailer Load Capacity......................................................................................................79
INDEX .................................................................................................................... 80