Kubota M108DC User manual

KUBOTACorporation
U.S.A. :KUBOTATRACTORCORPORATION
1000 KubotaDrive,Grapevine,TX 76051
Telephone: 888 - 4 KUBOTA
Canada :KUBOTACANADALTD.
5900  14 thAvenue,Markham,Ontario,L 3 S 4 K 4 ,Canada
Telephone:(
905 ) 294 - 7477
France :KUBOTAEUROPES.A.S
19 - 25 ,RueJulesVercruysse,Z.I.BP 88 , 95101 Ar㷅enteuilCedex,France
Telephone:(
33 ) 1 - 3426 - 3434
Italy :KUBOTAEUROPES.A.SItalyBranch
ViaGrandi,
29  20068 PeschieraBorrome(MI)Italy
Telephone:(
39 ) 02 - 51650377
Germany :KUBOTA(DEUTSCHLAND)GmbH
SenefelderStr.
3 - 5  63110 Rod㷅au/Nieder-Roden,Germany
Telephone:(
49 ) 6106 - 873 - 0
U.K. :KUBOTA(U.K.)LTD.
DormerRoad,Thame,Oxfordshire,OX
9  3 UN,U.K.
Telephone:(
44 ) 1844 - 214500
Spain :KUBOTAESPAÑAS.A.
AvenidaRecombaNo.
5 ,Poli㷅noIndustriallaLa㷅una,Le㷅anes, 28914 (Madrid)Spain
Telephone:(
34 ) 91 - 508 - 6442
Australia :KUBOTATRACTORAUSTRALIAPTYLTD.
25 - 29 PermasWay,Tru㷅anina,VIC 3029 ,Australia
Telephone:(
61 )- 3 - 9394 - 4400
Malaysia :SIMEKUBOTASDN.BHD.
No.
3 JalanSepadu 25 / 123 TamanPerindustrianAxis,
Seksyen
25 , 40400 ShahAlam,Selan㷅orDarulEhsanMalaysia
Telephone:(
60 ) 3 - 736 - 1388
Philippines :KUBOTAPHILIPPINES,INC.
232 QuirinoHi㷅hway,Baesa,QuezonCity 1106 ,Philippines
Telephone:(
63 ) 2 - 422 - 3500
Taiwan :SHINTAIWANAGRICULTURALMACHINERYCO.,LTD.
16 ,Fen㷅pin㷅 2 ndRd,TaliaoShian㷅Kaohsiun㷅 83107 ,TaiwanR.O.C.
Telephone:(
886 ) 7 - 702 - 2333
Indonesia :PTKUBOTAMACHINERYINDONESIA
TowerAatEi㷅htyEi㷅ht@KasablankaLantai
16
JalanRayaCasablankaKav. 88 ,Jakarta 12870 Indonesia
Telephone:(
62 )- 21 - 29568 - 720
Thailand :SIAMKUBOTACORPORATIONCO.,LTD.
101 / 19 - 24 Moo 20 ,NavanakornIndustrialEstate,TambonKhlon㷅nuen㷅,AmphurKhlon㷅luan㷅,
Pathumthani
12120 ,THAILAND
Telephone:(
66 ) 2 - 909 - 0300
Korea :KUBOTAKOREACO.,LTD.
41 - 27 ,Jayumuyeok-㷅il,Baeksan-myeon,Gimje-si,Jeollabuk-do,Korea
Telephone:(
82 )- 63 - 544 - 5822
India :KUBOTAAGRICULTURALMACHINERYINDIAPVT.LTD.
No.
15 ,MedavakkamRoad,Sholin㷅anallur,Chennai- 600119 ,T.N.,India
Telephone:(
91 ) 44 - 6104 - 1500
Vietnam :KUBOTAVIETNAMCO.,LTD.
LotB-
3 A 2 -CN,MyPhuoc 3 IndustrialPark,BenCatDistrict,BinhDuon㷅Province,Vietnam
Telephone:(
84 )- 650 - 3577 - 507
M108SMODEL
OPERATOR'S MANUAL
1AGAIIJAP0010
English (Oceania)
Code No. 3N606-9971-1
M
1
0
8
S
© KUBOTA Corporation 2010 READ AND SAVE THIS MANUAL
PRINTED IN JAPAN
1702-0288

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. Nineteen plants and 16,000 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 which are intended to
help individuals and nations fulfill the potential inherent in their
environment. KUBOTA is the Basic Necessities Giant.
This potential includes water supply, food from the soil and from
the sea, industrial development, architecture and construction, and
transportation.
Thousands of people depend on KUBOTA's know-how,
technology, experience and customer service. You too can depend
on KUBOTA.
M108S
AV. C. 5-6. 0. K
1702-0288
Abbreviations Definitions
ABBREVIATION LIST
2WD
4WD
API
ASABE
ASTM
DIN
DT
fpm
GST
Hi-Lo
HST
m/s
PTO
RH/LH
ROPS
rpm
r/s
SAE
SMV
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]
Feet Per Minute
Glide Shift Transmission
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
Slow Moving Vehicle

FOREWORD
SAFETY FIRST
IMPORTANT :
NOTE : Gives helpful information.
DANGER :
WARNING :
CAUTION :
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.
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 fine 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 tractor 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 be
outdated. KUBOTA distributors and dealers will have the most up-to-date
information. Please do not hesitate to consult with 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 ............................................................................................. -1
SERVICING OF TRACTOR......................................................................................... 1
SPECIFICATIONS....................................................................................................... 2
SPECIFICATION TABLE......................................................................................... 2
TRAVELING SPEEDS............................................................................................. 4
IMPLEMENT LIMITATIONS........................................................................................ 6
INSTRUMENT PANEL AND CONTROLS................................................................... 8
PRE-OPERATION CHECK ....................................................................................... 12
DAILY CHECK....................................................................................................... 12
OPERATING THE ENGINE....................................................................................... 13
STARTING THE ENGINE...................................................................................... 13
COLD WEATHER STARTING............................................................................... 16
Block Heater (if equipped)..............................................................................................16
STOPPING THE ENGINE...................................................................................... 16
WARMING UP ....................................................................................................... 16
Warm-up and Transmission Oil at Low Temperature Range .........................................16
JUMP STARTING.................................................................................................. 17
OPERATING THE TRACTOR................................................................................... 18
OPERATING NEW TRACTOR.............................................................................. 18
Do not Operate the Tractor at Full Speed for the First 50 Hours....................................18
Changing Lubricating Oil for New Tractors.....................................................................18
STARTING............................................................................................................. 18
Operator's Seat...............................................................................................................18
Seat Belt.........................................................................................................................19
Tilt Steering Adjustment..................................................................................................19
Light Switch ....................................................................................................................19
Turn Signal / Hazard Light Switch..................................................................................20
Horn Button.....................................................................................................................20
Brake Pedals (Right and Left).........................................................................................21
Clutch Pedal ...................................................................................................................22
Main Gear Shift Lever.....................................................................................................23
Range Gear Shift Lever..................................................................................................24
Hydraulic-Shuttle Shift Lever..........................................................................................24
Creep Lever (if equipped)...............................................................................................24
Front Wheel Drive Lever.................................................................................................25
Hand Throttle Lever........................................................................................................26
Foot Throttle ...................................................................................................................26
Parking Brake Lever.......................................................................................................26
STOPPING............................................................................................................. 27
Stopping..........................................................................................................................27
CHECK DURING DRIVING ................................................................................... 27
Immediately Stop the Engine if:......................................................................................27
Easy Checker(TM)..........................................................................................................27

CONTENTS
Fuel Gauge.....................................................................................................................28
Coolant Temperature Gauge..........................................................................................28
Tachometer.....................................................................................................................28
PTO RPM / TRAVEL SPEED MONITOR............................................................... 29
Changing Display Mode..................................................................................................29
PTO Speed Display Mode Switching..............................................................................31
Entering the Travel Speed Coefficient............................................................................32
PARKING............................................................................................................... 33
Parking............................................................................................................................33
OPERATING TECHNIQUES ................................................................................. 33
Differential Lock..............................................................................................................33
Operating the Tractor on a Road....................................................................................34
Operating on Slopes and Rough Terrain........................................................................34
Directions for Use of Power Steering..............................................................................34
Trailer Electrical Outlet ...................................................................................................35
PTO ........................................................................................................................... 36
PTO OPERATION.................................................................................................. 36
PTO Clutch Control Lever...............................................................................................36
PTO Gear Shift Lever.....................................................................................................36
LCD Monitor Message....................................................................................................37
PTO Shaft Cover and Shaft Cap ....................................................................................37
3-POINT HITCH & DRAWBAR.................................................................................. 38
3-POINT HITCH..................................................................................................... 39
Selecting the holes of Lower Links.................................................................................39
Selecting the Top Link Mounting Holes..........................................................................39
Drawbar..........................................................................................................................39
Remote Hitch UP / DOWN Lever....................................................................................40
Lifting Rod (Left).............................................................................................................40
Lifting Rod (Right)...........................................................................................................41
Top Link..........................................................................................................................41
Telescopic Stabilizers.....................................................................................................41
Telescopic Lower Links ..................................................................................................41
DRAWBAR............................................................................................................. 42
Adjusting Drawbar Length ..............................................................................................42
Swing Drawbar ...............................................................................................................42
HYDRAULIC UNIT..................................................................................................... 43
3-POINT HITCH CONTROL SYSTEM................................................................... 43
Position Control ..............................................................................................................43
Draft Control ...................................................................................................................43
Mixed Control..................................................................................................................44
Float Control...................................................................................................................44
3-point Hitch Lowering Speed.........................................................................................44
REMOTE HYDRAULIC CONTROL SYSTEM........................................................ 45
Remote Control Valve.....................................................................................................45
Remote Control Valve Lever...........................................................................................45
Remote Control Valve Coupler Connecting and Disconnecting.....................................46
Flow Control Valve (option) ............................................................................................46
Adjusting the flow rate ....................................................................................................47
Positions and advantages of the flow control valve........................................................47
Hydraulic Control Unit Use Reference Chart..................................................................49

CONTENTS
TIRES, WHEELS AND BALLAST.............................................................................. 50
TIRES..................................................................................................................... 50
Inflation Pressure............................................................................................................50
Dual Tires .......................................................................................................................50
WHEEL ADJUSTMENT......................................................................................... 50
Front Wheels (with 4 wheel drive) ..................................................................................50
Adjusting Front Wheel Turning Stopper Bolt ..................................................................51
Rear Wheels...................................................................................................................52
BALLAST ............................................................................................................... 53
Front Ballast....................................................................................................................53
Rear Ballast....................................................................................................................53
CAB OPERATION..................................................................................................... 55
DOOR AND WINDOW........................................................................................... 55
Locking and Unlocking the Door.....................................................................................55
Opening the Door ...........................................................................................................55
Rear Window..................................................................................................................56
Side Window...................................................................................................................56
DOME LIGHT......................................................................................................... 56
Dome Light .....................................................................................................................56
WORK LIGHT ........................................................................................................ 57
Work Light Switch...........................................................................................................57
Front Work Light.............................................................................................................57
Rear Work Light..............................................................................................................57
WIPER ................................................................................................................... 58
Front Wiper / Washer Switch..........................................................................................58
Rear Wiper / Washer Switch (if equipped)......................................................................58
Using the Wipers in Cold Season...................................................................................58
AIR CONDITIONER............................................................................................... 59
Airflow.............................................................................................................................59
Air Control Vent ..............................................................................................................59
Control Panel..................................................................................................................61
Operation........................................................................................................................61
CIGARETTE LIGHTER.......................................................................................... 64
INSTALLING THE IMPLEMENT CONTROL BOX................................................. 64
Electrical Outlet...............................................................................................................64
BEACON LIGHT .................................................................................................... 65
Beacon Light Switch.......................................................................................................65
MAINTENANCE......................................................................................................... 66
SERVICE INTERVALS .......................................................................................... 66
LUBRICANTS, FUEL AND COOLANT.................................................................. 69
PERIODIC SERVICE................................................................................................. 71
HOW TO OPEN THE HOOD................................................................................. 71
Hood...............................................................................................................................71
DAILY CHECK....................................................................................................... 71
Walk Around Inspection..................................................................................................71
Checking and Refueling..................................................................................................72
Checking Water Separator .............................................................................................72
Checking Engine Oil Level..............................................................................................73
Checking Transmission Fluid Level................................................................................73

CONTENTS
Checking Coolant Level..................................................................................................74
Checking Brake Oil Level ...............................................................................................74
Cleaning Evacuator Valve ..............................................................................................75
Cleaning Grill, Radiator Screen, Intercooler and Oil Cooler...........................................75
Cleaning Air Conditioner Condenser Screen..................................................................76
Checking Brake Pedal....................................................................................................76
Checking Parking Brake.................................................................................................77
Checking Gauges, Meter and Easy Checker (TM).........................................................77
Checking Head Light, Hazard Light etc..........................................................................77
Checking Seat Belt.........................................................................................................77
Checking Movable Parts.................................................................................................77
EVERY 50 HOURS................................................................................................ 77
Checking Engine Start System.......................................................................................77
Checking Wheel Bolt Torque..........................................................................................78
EVERY 100 HOURS.............................................................................................. 79
Lubricating Grease Fittings.............................................................................................79
Checking Battery Condition............................................................................................80
Cleaning Air Cleaner Primary Element...........................................................................81
Adjusting Fan Belt Tension.............................................................................................82
Adjusting Brake Pedal ....................................................................................................82
Adjusting Parking Brake Lever .......................................................................................83
EVERY 200 HOURS.............................................................................................. 84
Checking Oil Cooler Line................................................................................................84
Adjusting Toe-in..............................................................................................................84
Draining Fuel Tank Water...............................................................................................85
Cleaning Inner Air Filter..................................................................................................85
Cleaning Fresh Air Filter.................................................................................................86
Checking Air Conditioner Condenser .............................................................................87
Adjusting Air-Conditioner Belt Tension...........................................................................87
EVERY 400 HOURS.............................................................................................. 88
Cleaning Water Separator..............................................................................................88
EVERY 500 HOURS.............................................................................................. 88
Changing Engine Oil.......................................................................................................88
Replacing Engine Oil Filter.............................................................................................89
Replacing Fuel Filter.......................................................................................................89
Replacing Hydraulic Oil Filter .........................................................................................90
Checking Radiator Hose and Clamp ..............................................................................90
Checking Fuel Line.........................................................................................................91
Checking Intake Air Line.................................................................................................91
Checking Power Steering Line .......................................................................................91
Checking Assist Cylinder Hose.......................................................................................91
Checking Air-Conditioner Pipe and Hose.......................................................................91
EVERY 600 HOURS.............................................................................................. 92
Adjusting Front Axle Pivot...............................................................................................92
Adjusting King-pin Pivot..................................................................................................92
Changing Brake Oil.........................................................................................................92
EVERY 1 000 HOURS........................................................................................... 92
Changing Transmission Fluid.........................................................................................92
Changing Front Differential Case Oil..............................................................................93
Changing Front Axle Gear Case Oil...............................................................................93
Adjusting Engine Valve Clearance .................................................................................93
EVERY 1 000 HOURS or 1 YEAR......................................................................... 93

CONTENTS
Replacing Air Cleaner Primary Element and Secondary Element..................................93
EVERY 1 500 HOURS........................................................................................... 93
Checking Fuel Injection Nozzle (Injection Pressure)......................................................93
EVERY 2 000 HOURS or 2 YEARS....................................................................... 94
Flushing Cooling System and Changing Coolant...........................................................94
Anti-Freeze.....................................................................................................................95
EVERY 3 000 HOURS........................................................................................... 95
Checking Turbocharger..................................................................................................95
Checking Intake Air Heater.............................................................................................95
EVERY 1 YEAR..................................................................................................... 95
Checking CAB Isolation Cushion....................................................................................95
EVERY 2 YEARS................................................................................................... 96
Replacing Oil Cooler Line...............................................................................................96
Replacing Brake Hose....................................................................................................96
EVERY 3 YEARS................................................................................................... 96
Replacing Parking Brake Cable......................................................................................96
EVERY 4 YEARS................................................................................................... 96
Replacing Radiator Hose (Water pipes).........................................................................96
Replacing Fuel Hose ......................................................................................................96
Replacing Power Steering Hose.....................................................................................96
Replacing Intake Air Line................................................................................................96
Replacing Master Cylinder Kit ........................................................................................96
Replacing Equalizer Kit...................................................................................................96
Replacing Brake Seal 1 and 2........................................................................................96
Replacing Assist Cylinder Hose......................................................................................96
Replacing Air Conditioner Hose......................................................................................96
SERVICE AS REQUIRED...................................................................................... 96
Bleeding Fuel System.....................................................................................................96
Bleeding Brake System ..................................................................................................97
Draining Clutch Housing Water ......................................................................................97
Replacing Fuse...............................................................................................................97
Replacing Light Bulb.......................................................................................................99
Replacing Head Lamp....................................................................................................99
Lubricating Points.........................................................................................................100
Adding Washer Liquid...................................................................................................100
Checking the Amount of Refrigerant (gas) ...................................................................100
STORAGE............................................................................................................... 102
TRACTOR STORAGE......................................................................................... 102
REMOVING THE TRACTOR FROM STORAGE................................................. 102
TROUBLESHOOTING............................................................................................. 103
ENGINE TROUBLESHOOTING.......................................................................... 103
OPTIONS................................................................................................................. 104