Kubota M108DC Operator's Manual
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Kubota M108DC Operator's Manual

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U.S.A.
: KUBOTA TRACTOR CORPORATION
1000 Kubota Drive, Grapevine, TX 76051
Telephone : 888-4KUBOTA
Canada
: KUBOTA CANADA LTD.
5900 14th Avenue, Markham, Ontario, L3S 4K4, Canada
Telephone : (905)294-7477
France
: KUBOTA EUROPE S.A.S
19-25, Rue Jules Vercruysse, Z.I. BP88, 95101 Ar 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 au /Nieder-Roden, Germany
Telephone : (49)6106-873-0
U.K.
: KUBOTA (U.K.) LTD.
Dormer Road, Thame, Oxfordshire, OX9 3UN, U.K.
Telephone : (44)1844-214500
Spain
: KUBOTA ESPAÑA S.A.
Avenida Recomba No.5, Poli no Industrial la La una, Le anes, 28914 (Madrid) Spain
Telephone : (34)91-508-6442
Australia
: KUBOTA TRACTOR AUSTRALIA PTY LTD.
25-29 Permas Way, Tru 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 or Darul Ehsan Malaysia
Telephone : (60)3-736-1388
Philippines : KUBOTA PHILIPPINES, INC.
232 Quirino Hi hway, Baesa, Quezon City 1106, Philippines
Telephone : (63)2-422-3500
Taiwan
: SHIN TAIWAN AGRICULTURAL MACHINERY CO., LTD.
16, Fen pin  2nd Rd, Taliao Shian  Kaohsiun  83107, Taiwan R.O.C.
Telephone : (886)7-702-2333
Indonesia : PT KUBOTA MACHINERY INDONESIA
Tower A at Ei htyEi 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 nuen , Amphur Khlon luan ,
Pathumthani 12120, THAILAND
Telephone : (66)2-909-0300
Korea
: KUBOTA KOREA CO., LTD.
41-27, Jayumuyeok- 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 anallur, Chennai-600119, T.N., India
Telephone : (91)44-6104-1500
Vietnam
: KUBOTA VIETNAM CO., LTD.
Lot B-3A2-CN, My Phuoc 3 Industrial Park, Ben Cat District, Binh Duon  Province, Vietnam
Telephone : (84)-650-3577-507
PRINTED IN JAPAN
KUBOTA Corporation
English (Oceania)
Code No. 3N606-9971-1
©
KUBOTA Corporation 2010
OPERATOR'S MANUAL
M
1
1AGAIIJAP0010
0
8
S
READ AND SAVE THIS MANUAL
MODEL
M108S

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  • Page 1 101/19-24 Moo 20, Navanakorn Industrial Estate, Tambon Khlon nuen , Amphur Khlon luan , Pathumthani 12120, THAILAND Telephone : (66)2-909-0300 Korea : KUBOTA KOREA CO., LTD. 41-27, Jayumuyeok- 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 anallur, Chennai-600119, T.N., India Telephone : (91)44-6104-1500 Vietnam : KUBOTA VIETNAM CO., LTD. Lot B-3A2-CN, My Phuoc 3 Industrial Park, Ben Cat District, Binh Duon  Province, Vietnam Telephone : (84)-650-3577-507 KUBOTA Corporation 1AGAIIJAP0010 English (Oceania) Code No. 3N606-9971-1 READ AND SAVE THIS MANUAL PRINTED IN JAPAN © KUBOTA Corporation 2010...
  • Page 2 ABBREVIATION LIST KUBOTA Corporation is ··· Since its inception in 1890, KUBOTA Corporation has grown to Abbreviations Definitions rank as one of the major firms in Japan. Two Wheel Drive To achieve this status, the company has through the years...
  • Page 4 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 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.

  • Page 5: Table Of Contents

    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 ..................
  • Page 6 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 .................
  • Page 7 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........................
  • Page 8 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) ............
  • Page 9 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 ........................
  • Page 11 C CAB, ROPS manual before operation. 1. KUBOTA recommends the use of a CAB or Roll Over 5. Never wear loose, torn, or bulky clothing around Protective Structures (ROPS) and seat belt in almost tractor.
  • Page 12 SAFE OPERATION C Working 1. Pull only from the drawbar. Never hitch to axle housing or any other point except drawbar; such arrangements will increase the risk of serious personal injury or death due to a tractor upset. (1) CAB (2) Seat belt 2.
  • Page 13 SAFE OPERATION C Driving the tractor on the road 4. Never carry children on your machine. There is no safe place for them to ride. They may fall off and be run 1. Lock the 2 brake pedals together to help assure over or interfere with your control of the machine.
  • Page 14 SAFE OPERATION 10. Set the implement lowering speed knob in the "LOCK" position to hold the implement in the raised position. 4. OPERATING THE PTO 1. Wait until all moving components have completely stopped before getting off the tractor, connecting, disconnecting, adjusting, cleaning, or servicing any PTO driven equipment.
  • Page 15 SAFE OPERATION 6. Keep first aid kit and fire extinguisher handy at all times. 5. USING 3-POINT HITCH 7. Disconnect the battery's ground cable before working on or near electric components. 1. Use the 3-point hitch only with equipment designed for 8.
  • Page 16 SAFE OPERATION 15. Escaping hydraulic fluid under pressure has sufficient force to penetrate skin, causing serious personal injury. Before disconnecting hydraulic lines, be sure to release all residual pressure. Before applying pressure to the hydraulic system, make sure that all connections are tight and that all lines, pipes, and hoses are free of damage.
  • Page 17 SAFE OPERATION 7. DANGER, WARNING AND CAUTION LABELS...
  • Page 18 SAFE OPERATION...
  • Page 19 SAFE OPERATION...
  • Page 20 2. Clean danger, warning and caution labels with soap and water, dry with a soft cloth. 3. Replace damaged or missing danger, warning and caution labels with new labels from your local KUBOTA Dealer. 4. If a component with danger, warning and caution label(s) affixed is replaced with new part, make sure new label(s) is (are) attached in the same location(s) as the replaced component.

  • Page 21: Safe Operation

    KUBOTA Dealer. For service, contact the KUBOTA Dealership from which you purchased your tractor or your local KUBOTA Dealer. When in need of parts, be prepared to give your dealer the tractor, CAB and engine serial numbers.

  • Page 22: Specifications

    SPECIFICATIONS SPECIFICATIONS SPECIFICATION TABLE M108S Model Model V3800-DI-TI Type Direct Injection, liquid cooled 4 cylinder diesel Number of cylinders Total displacement 3769 Bore and stroke 100 x 120 Rated speed 2600 Engine Net power *1 77.2 PTO power *1 (factory observed) 69.4 Maximum torque N-m / rpm...
  • Page 23 SPECIFICATIONS M108S Model Hydraulic control system Position, draft (top link sensing) & mix control Pump capacity L / min Three point hitch Category 2 At lifting 2500, points *3 3900 with 2 assist cylinders (option) Max. lifting force Hydraulic 24 in. behind 2100, unit lifting point...

  • Page 24: Traveling Speeds

    SPECIFICATIONS TRAVELING SPEEDS (At rated engine rpm) Model M108S Tire size (Rear) 480 / 70R34 (18.4R34) Shuttle Range gear Main gear km/h shift lever shift lever shift lever 0.36 0.45 0.57 0.72 CREEP (option) 0.92 1.18 1.45 1.84 2.02 2.57 3.17 4.02 5.15...
  • Page 25 SPECIFICATIONS (At rated engine rpm) Model M108S Tire size (Rear) 480 / 70R34 (18.4R34) Shuttle Range gear Main gear km/h shift lever shift lever shift lever 0.36 0.46 0.57 0.73 CREEP (option) 0.93 1.19 1.46 1.86 2.04 2.59 3.19 4.06 5.19 6.61 8.15...

  • Page 26: Implement Limitations

    Use with implements which are not sold or approved by KUBOTA and which exceed the maximum specifications listed below, or which are otherwise unfit for use with the KUBOTA Tractor may result in malfunctions or failures of the tractor, damage to other property and injury to the operator or others. [Any malfunctions or failures of the tractor resulting from use with improper implements are not covered by the warranty.]...
  • Page 27 Max. Weight Max. Width 2600 Snow Blade Max. Weight A Implement size may vary depending on soil operating conditions. *1 Must remove front weight with this implement. *2 Need subframe *3 The value contains the weight of KUBOTA standard bucket.

  • Page 28: Instrument Panel And Controls

    INSTRUMENT PANEL AND CONTROLS INSTRUMENT PANEL AND CONTROLS B Instrument Panel, Switches and Hand Controls ILLUSTRATED CONTENTS (1) Horn button............20 (2) Hydraulic-shuttle shift lever........24 (3) Clutch pedal............22 (4) Tilt pedal.............. 19 (5) Turn signal / Head light switch......19 (6) Hazard light switch..........
  • Page 29 INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS ILLUSTRATED CONTENTS (1) Hazard / Turn signal indicator ......20 (10) Pilot lamp (LOW)..........23 (2) High beam indicator ........... 19 (11) Pilot lamp (HIGH)..........23 (3) PTO clutch indicator........... 36 (12) Parking brake / Brake oil indicator ....27 (4) Liquid crystal display ..........
  • Page 30 INSTRUMENT PANEL AND CONTROLS B Foot and Hand Controls ILLUSTRATED CONTENTS (1) Tool box............- (2) Differential lock pedal........33 (3) 3-Point hitch lowering speed knob....44 (4) Parking brake lever......... 13, 26 (5) Range gear shift lever........24 (6) Front wheel drive lever........25 (7) Creep lever (if equipped).........
  • Page 31 INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS (1) Remote control valve coupler....46 (2) Trailer electrical outlet......35 (3) Remote hitch Up / Down lever....40 (4) PTO gear shift lever....... 36...

  • Page 32: Pre-Operation Check

    PRE-OPERATION CHECK PRE-OPERATION CHECK DAILY CHECK To prevent trouble from occurring, it is important to know the condition of the tractor well. Check it before starting. To avoid personal injury or death: A Be sure to check and service the tractor on a level surface with the engine shut off and the parking brake "ON"...

  • Page 33: Operating The Engine

    OPERATING THE ENGINE OPERATING THE ENGINE STARTING THE ENGINE To avoid personal injury or death: 1. Make sure the parking brake is set. A Read and understand "Safe Operation" in the front of this manual. Pull the parking brake lever up to park. A Read and understand the danger, warning and parking brake...
  • Page 34 OPERATING THE ENGINE 2. Make sure the fuel cock is in the 4. Place the PTO clutch control lever in "OPEN" position. "OFF" position and hydraulic control levers in "LOWEST" position. (1) Fuel cock (A) "CLOSE" (B) "OPEN" (1) PTO clutch control lever "ON"...
  • Page 35 OPERATING THE ENGINE 6. Insert the key into the key switch and turn it "ON". (1) PTO clutch indicator (4) Heater indicator (2) Electrical charge indicator (5) Parking brake / (3) Engine oil pressure indicator Brake oil indicator A Daily checks with the Easy Checker(TM) only, are not "OFF"...

  • Page 36: Cold Weather Starting

    Heater indicator comes on when the key is turned to "ON" A If key does not stop the engine, consult your local position and engine coolant temperature is below 0 KUBOTA Dealer. and goes off automatically when preheat is completed. WARMING UP...

  • Page 37: Jump Starting

    OPERATING THE ENGINE A Use only same voltage for jump starting. JUMP STARTING A Use of a higher voltage source on tractor's electrical system could result in severe damage to tractor's electrical system. To avoid personal injury or death: Use only matching voltage source when "Jump A Battery gases can explode.

  • Page 38: Operating The Tractor

    OPERATING THE TRACTOR OPERATING THE TRACTOR OPERATING NEW TRACTOR STARTING How a new tractor is handled and maintained determines the life of the tractor. 1. Adjusting the Operator's Position. A new tractor just off the factory production line has been, of course, tested, but the various parts are not BOperator's Seat accustomed to each other, so care should be taken to...

  • Page 39: Seat Belt

    OPERATING THE TRACTOR C Weight and Height adjustment Turn on the key switch. The seat should be adjusted for BTilt Steering Adjustment the operator's weight by briefly pulling up or pushing down the weight / height adjust lever with the tractor in a stationary position and the operator sitting on the seat.

  • Page 40: Turn Signal / Hazard Light Switch

    OPERATING THE TRACTOR BTurn Signal / Hazard Light Switch C Hazard Light 1. When the hazard light switch is pushed, the hazard lights flash, along with the L/H and R/H indicators on the instrument panel. 2. Push the hazard light switch again to turn off the hazard lights.

  • Page 41: Brake Pedals (Right And Left)

    OPERATING THE TRACTOR 3. Checking the Brake Pedal. 4. Raise the Implement. (see "HYDRAULIC UNIT" section.) BBrake Pedals (Right and Left) To avoid personal injury or death: A Be sure to interlock the right and left pedals. Applying only one rear wheel brake at high speeds could cause the tractor to swerve or roll-over.

  • Page 42: Clutch Pedal

    OPERATING THE TRACTOR 5. Depress the Clutch Pedal. BClutch Pedal To avoid personal injury or death: A Sudden release of the clutch may cause the tractor to lunge in an unexpected manner. The clutch is disengaged when the clutch pedal is fully pressed down.

  • Page 43: Main Gear Shift Lever

    OPERATING THE TRACTOR 6. Selecting the Travel Speed. (1) Hydraulic - shuttle shift lever (6) Creep lever (if equipped) (F) "FORWARD" (A) "PUSH" (2) Main gear shift lever (N) "NEUTRAL POSITION" (3) Range gear shift lever (R) "REVERSE" (4) Pilot lamp (LOW) "LOW"...

  • Page 44: Range Gear Shift Lever

    Misuse of the brakes may cause damage to A The hydraulic-shuttle shift lever may be shifted while the transmission and is therefore not the tractor is moving slowly. acceptable to KUBOTA for coverage under the warranty. BCreep Lever (if equipped) Push down the creep lever at "...

  • Page 45: Front Wheel Drive Lever

    OPERATING THE TRACTOR C 4WD Indicator BFront Wheel Drive Lever The 4WD indicator turns on while the front wheel drive lever is in "ON" (4WD) position. The 4WD indicator goes off when the front wheel drive lever is in "OFF" (2WD) position. To avoid personal injury or death: A Do not engage the front wheel drive when traveling at road speed.

  • Page 46: Hand Throttle Lever

    OPERATING THE TRACTOR 7. Accelerate the Engine. 8. Unlock the Parking Brake and Slowly Release the Clutch. BHand Throttle Lever BParking Brake Lever Pulling the throttle lever back decreases engine speed, To release the parking brake, depress the brake pedal, and pushing it forward increases engine speed.

  • Page 47: Stopping

    KUBOTA Dealer. A For checking and servicing of your tractor, consult your local KUBOTA Dealer for instructions. (1) Easy Checker(TM) Engine oil pressure If the oil pressure in the engine goes below the prescribed level, the warning lamp in the Easy Checker(TM) will come on.

  • Page 48: Fuel Gauge

    OPERATING THE TRACTOR BFuel Gauge BCoolant Temperature Gauge When the key switch is on, the fuel gauge indicates the fuel level. Be careful not to empty the fuel tank. Otherwise air may To avoid personal injury or death: enter the fuel system. A Do not remove radiator cap until coolant Should this happen, the system should be bled.

  • Page 49: Pto Rpm / Travel Speed Monitor

    OPERATING THE TRACTOR PTO RPM / TRAVEL SPEED MONITOR BChanging Display Mode 1. The LCD monitor gives 2 different display modes: "Traveling speed and Hour meter" and "Traveling speed and PTO speed". Each time the PTO/Hour meter select switch is pressed, the mode is switched to the changing display. 2.
  • Page 50 OPERATING THE TRACTOR A Traveling speed and total operating hours Display mode switching Hour meter mode are displayed. [Hour meter mode] and [PTO A The hour meter indicates in 5 digits the speed mode] hours the tractor has been used; the last digit indicates 1/10 of an hour.

  • Page 51: Pto Speed Display Mode Switching

    OPERATING THE TRACTOR BPTO Speed Display Mode Switching [with 540/540E rpm model] The PTO speed display mode has been factory-set at Code 3. Do not attempt to change the code. Otherwise the correct PTO speed will not be displayed in the LCD monitor. (NOTE: The current code can be checked in the following procedure.) C Switching procedure...

  • Page 52: Entering The Travel Speed Coefficient

    OPERATING THE TRACTOR BEntering the Travel Speed Coefficient When optional different-diameter tires are fitted on the machine, the travel speed display mode must be changed. Otherwise the travel speed will not get correctly displayed. Such mode switching is also needed when the original tires are back on the machine.

  • Page 53: Parking

    OPERATING THE TRACTOR PARKING OPERATING TECHNIQUES BParking BDifferential Lock To avoid personal injury or death: To avoid personal injury or death due to loss of BEFORE DISMOUNTING TRACTOR steering control: A ALWAYS SET PARKING BRAKE AND LOWER A Do not operate the tractor at high speed with ALL IMPLEMENTS TO THE GROUND.

  • Page 54: Operating The Tractor On A Road

    OPERATING THE TRACTOR BOperating the Tractor on a Road BOperating on Slopes and Rough Terrain To avoid personal injury or death: To avoid personal injury or death: A To help assure straight line stops when driving A Always back up when going up a steep slope. at transport speeds, lock the brake pedals Driving forward could cause the tractor to tip together.

  • Page 55: Trailer Electrical Outlet

    OPERATING THE TRACTOR BTrailer Electrical Outlet A trailer electrical outlet is supplied for use with trailer or implement. (1) Trailer electrical outlet C Function of each terminals in trailer electrical outlet Terminal Function Turn signal light (LH) Ground Turn signal light (RH) Tail light Sidemarker light Parking light...

  • Page 56: Pto

    PTO OPERATION BPTO Gear Shift Lever To avoid personal injury or death: A Disengage PTO, stop engine, and allow all To avoid personal injury or death: A Be sure to observe the PTO shaft speed rotating components to come to a complete stop before connecting,...

  • Page 57: Lcd Monitor Message

    BLCD Monitor Message BPTO Shaft Cover and Shaft Cap 1. The PTO rpm can be checked in the LCD monitor. Keep the PTO shaft cover in place at all times. Replace (See "PTO RPM / TRAVEL SPEED MONITOR" in the PTO shaft cap when the PTO is not in use. Before "OPERATING THE TRACTOR"...

  • Page 58: 3-Point Hitch & Drawbar

    3-POINT HITCH & DRAWBAR 3-POINT HITCH & DRAWBAR (1) Top link (2) Lifting rod (Left) (3) Telescopic stabilizers (4) Lower link (5) Lifting rod (Right) (6) Drawbar...

  • Page 59: 3-Point Hitch

    3-POINT HITCH & DRAWBAR 3-POINT HITCH BSelecting the Top Link Mounting Holes Select the proper set of holes by referring to the 1. Make preparations for attaching "Hydraulic Control Unit Use Reference Chart" in Hydraulic implement. Unit section. If the hydraulic unit is set for draft control, draft response BSelecting the holes of Lower Links is more sensitive when an implement is connected to the lower set of top link mounting holes.

  • Page 60: Remote Hitch Up / Down Lever

    3-POINT HITCH & DRAWBAR BLifting Rod (Left) 2. Attaching and detaching implements By turning the rod itself, the lifting rod varies its length. When extending the rod, do not exceed the groove on the rod thread. To avoid personal injury or death: A Be sure to stop the engine.

  • Page 61: Lifting Rod (Right)

    3-POINT HITCH & DRAWBAR BLifting Rod (Right) BTelescopic Stabilizers Adjust the telescopic stabilizers to control horizontal sway of the implement. Select the proper set of holes by referring to the "Hydraulic Control Unit Use Reference To avoid personal injury or death: Chart"...

  • Page 62: Drawbar

    3-POINT HITCH & DRAWBAR DRAWBAR BSwing Drawbar The drawbar can be used in 3 different ways as illustrated below. Assemble it correctly with drawbar pins. To avoid personal injury or death: A Never pull from the top link, the rear axle or any point above the drawbar.

  • Page 63: Hydraulic Unit

    A If noises are heard when implement is lifting after the hydraulic control lever has been activated, the hydraulic mechanism is not adjusted properly. Unless corrected, the unit will be damaged. Contact your KUBOTA Dealer for adjustment. (1) Position control lever (A) "FLOAT" (2) Draft control lever (B) "DOWN"...

  • Page 64: Mixed Control

    HYDRAULIC UNIT BMixed Control B3-point Hitch Lowering Speed In draft control, when draft decreases, the implement automatically lowers to increase draft. However, the implement sometimes lowers too much. To limit the To avoid personal injury or death: degree, the implement can be lowered, set the position A Fast lowering speed may cause damage or control lever at the lowest working depth desired for the injury.

  • Page 65: Remote Hydraulic Control System

    HYDRAULIC UNIT REMOTE HYDRAULIC CONTROL SYSTEM NOTE : Standard mounted valve: The hydraulic auxiliary control valves can be installed up to triple segments irrespective of installation of flow A Lever 1 ......Double acting valve with control valve. float position A Lever 2 ......

  • Page 66: Remote Control Valve Coupler Connecting And Disconnecting

    A Connect the pressure of load side of implement A Your local KUBOTA Dealer can supply parts to adapt cylinders to ports [B] or [D] which have built in load couplers to hydraulic hoses. check valve to prevent leak down.

  • Page 67: Adjusting The Flow Rate

    HYDRAULIC UNIT BAdjusting the flow rate To avoid the possibility of personal injury or death aware following when making adjustments: A The 3-point hitch operation is influenced by the combination of the adjustment of the flow control valve and the engine speed. A The 3-point hitch may rise slowly or not at all at low engine rpm.
  • Page 68 HYDRAULIC UNIT C Position 2 1. The attachment control speed (hydraulic motor RPM, for example) of the remote control valve (2) can be maintained at a constant level. 2. The remote control valve (2) and the 3-point hitch can be operated at the same time with the speed of the 3- point being influenced by the adjustment range of the flow control valve.

  • Page 69: Hydraulic Control Unit Use Reference Chart

    HYDRAULIC UNIT BHydraulic Control Unit Use Reference Chart In order to handle the hydraulics properly, the operator must be familiar with the following. Though this information may not be applicable to all types of implements and soil conditions, it is useful for general conditions.

  • Page 70: Tires, Wheels And Ballast

    If necessary to work A Do not use tires other than those approved by under tractor or any machine elements for KUBOTA. servicing or adjustment, securely support them with stands or suitable blocking beforehand. A When optional different-diameter tires are fitted on the...

  • Page 71: Adjusting Front Wheel Turning Stopper Bolt

    TIRES, WHEELS AND BALLAST A Wheels with beveled or tapered holes: Use the tapered side of lug nut. Tire sizes 12.4R24 13.6R24 1390 mm 1490 mm 1590 mm 1690 mm 340 / 85R24 A Need to limit turning angle depended on the tire size. Refer to the chart provided for additional instructions.

  • Page 72: Rear Wheels

    TIRES, WHEELS AND BALLAST BRear Wheels Rear tread width can be adjusted as shown with the standard equipped tires. To change the tread width 1. Remove the wheel rim and / or disk mounting bolts. 2. Change the position of the rim and / or disk (right and left) to the desired position, and tighten the bolts.

  • Page 73: Ballast

    The rear wheel weights can be attached to the rear wheel. maintain steering control. See your implement operator's manual for required number of weights or consult your local KUBOTA Dealer BFront Ballast to use. Add weights if needed for stability and improve traction.
  • Page 74 TIRES, WHEELS AND BALLAST C Liquid Ballast in Rear Tires Water and calcium chloride solution provides safe economical ballast. Used properly, it will not damage tires, tubes or rims. The addition of calcium chloride is recommended to prevent the water from freezing. Use of this method of weighting the wheels has the full approval of the tire companies.

  • Page 75: Cab Operation

    CAB OPERATION CAB OPERATION DOOR AND WINDOW BOpening the Door BLocking and Unlocking the Door From the outside ..Unlock the door, and pull the From the outside ..Insert the key into the door lock. outer door handle. Turn the key clockwise to unlock the door.

  • Page 76: Rear Window

    CAB OPERATION DOME LIGHT BRear Window BDome Light Turn the rear window handle clockwise to the vertical Sliding the dome light lens will give the following light position and push the handle. The rear window is opened condition: by the gas spring cylinder. OFF ....

  • Page 77: Work Light

    CAB OPERATION BRear Work Light WORK LIGHT BWork Light Switch Turn on the key switch and press the right half of the work light switch. The work light and the switch's indicator light up. Press the left half of the work light switch to turn off the light and indicator.

  • Page 78: Wiper

    CAB OPERATION WIPER BUsing the Wipers in Cold Season BFront Wiper / Washer Switch 1. While not used in cold season, keep the wiper blades 1. Turn on the key switch and press the right half of the off the windshield to prevent them from being stuck wiper switch to the first step, the wiper is activated.

  • Page 79: Air Conditioner

    CAB OPERATION AIR CONDITIONER BAir Control Vent BAirflow Air in the CAB and fresh air introduced into the CAB flow C Front air outlet as shown below. Adjust the 9 air ports to obtain the The front air outlets can be independently adjusted as desired condition.
  • Page 80 CAB OPERATION C Door air outlet C Recirculation / fresh air selection lever The door air outlets can be adjusted to direct air on to the FRESH AIR: Set the lever to the position, door window or the foot area. and fresh air will flow into the CAB.

  • Page 81: Control Panel

    CAB OPERATION BControl Panel BOperation C Heating 1. Set the mode switch to the position. 2. Set the recirculation / fresh air selection lever to the "FRESH AIR" position. To raise the temperature in the CAB quickly, set this lever to the "RECIRCULATION" position.
  • Page 82 CAB OPERATION C Cooling or dehumidifying-heating C Foot warming and head cooling 1. Set the mode switch to the position. 1. Set the mode switch to the position. 2. Set the recirculation / fresh air selection lever to the 2. In the cooling or dehumidifying-heating mode, set the "FRESH AIR"...
  • Page 83 CAB OPERATION C Defrosting or demisting To defrost or demist the windshield, take the following steps. 1. Set the mode switch to the position. 2. Open the front air outlet, door air outlet and direct it to the windshield. 3. Set the recirculation / fresh air selection lever to the "FRESH AIR"...

  • Page 84: Cigarette Lighter

    CAB OPERATION CIGARETTE LIGHTER 2. Make the holes in each of the pillar covers located on the marked portion. Install the implement control box Push the lighter knob down to activate, with the key switch in place. in the "ON" or "ACC" positions. Lighter will move up when ready to use.

  • Page 85: Beacon Light

    CAB OPERATION BEACON LIGHT BBeacon Light Switch The beacon light switch with wire harness for beacon light connection is equipped. Turn on the key switch and press the right half of the beacon light switch. Then the beacon light and indicator of switch will be activated.

  • Page 86: Maintenance

    MAINTENANCE MAINTENANCE SERVICE INTERVALS Indication on hour meter Ref. Items Interval page every Engine start system Check 50 Hr every Wheel bolt torque Check 50 Hr every Greasing 100 Hr every Battery condition Check 100 Hr every Clean 100 Hr Primary every element...
  • Page 87 MAINTENANCE Indication on hour meter Ref. Items Interval page every Check 500 Hr Fuel line every Replace 4 years every Check 500 Hr Intake air line every Replace 4 years every Check 500 Hr Power steering oil line every Replace 4 years every Check...
  • Page 88 *1 Air cleaner should be cleaned more often in dusty conditions than in normal conditions. *2 Consult your local KUBOTA Dealer for this service. *3 When the battery is used for less than 100 hours per year, check the battery condition by reading the indicator annually.

  • Page 89: Lubricants, Fuel And Coolant

    TEXACO Regal Oil #32 CHEVRON -GST Oil #32 TERESSO OIL #32 Never use automotive brake oil. Front differential case oil KUBOTA UDT or SUPER UDT fluid* or SAE 80 - SAE 90 gear oil Front axle gear case oil 3.5 L Greasing No.
  • Page 90 We recommend the use of KUBOTA UDT or SUPER UDT fluid for optimum protection and performance. (Consult your local KUBOTA Dealer for further detail.) Do not mix different brands together.

  • Page 91: Periodic Service

    PERIODIC SERVICE PERIODIC SERVICE A To close the hood, pull down on the strap and push the hood into position using both hands. To avoid personal injury or death: A Do not work under any hydraulically supported devices. They can settle, suddenly leak down, or be accidentally lowered.

  • Page 92: Checking And Refueling

    PERIODIC SERVICE BChecking and Refueling BChecking Water Separator 1. As water is collected in the water separator, the red float is raised. 2. When the red float has reached the white line, close To avoid personal injury or death: the fuel shutoff-valve, loosen the retainer ring, take out A Do not smoke while refueling.

  • Page 93: Checking Engine Oil Level

    PERIODIC SERVICE BChecking Engine Oil Level BChecking Transmission Fluid Level 1. Park the machine on a flat surface, lower the implement and shut off engine. 2. To check the oil level, draw out the dipstick, wipe it To avoid personal injury or death: clean, replace it, and draw it out again.

  • Page 94: Checking Coolant Level

    1. Check to see that the brake oil level is between the Coolant" in "EVERY 2000 HOURS or 2 YEARS" in MAX and MIN marks. "PERIODIC SERVICE" section.) 2. If it is below the MIN line, consult your local KUBOTA Dealer. (1) Recovery tank (A) "FULL"...

  • Page 95: Cleaning Evacuator Valve

    PERIODIC SERVICE BCleaning Evacuator Valve C Detaching the Panel (LH) 1. Release the air conditioner hoses off the hook. Open the evacuator valve to get rid of large particles of 2. Loosen the wing nut. dust and dirt. 3. Hold the handle, slide the air conditioner condenser assembly toward yourself.

  • Page 96: Cleaning Air Conditioner Condenser Screen

    PERIODIC SERVICE C Cleaning 1. Check front grill to be sure it is clean from debris. BCleaning Air Conditioner Condenser 2. Detach the radiator screen and remove all foreign Screen materials. 3. Check oil cooler and intercooler to be sure they are clean from debris.

  • Page 97: Checking Parking Brake

    5. Disengage the PTO clutch control switch or lever. 6. Turn the key to "START" position. 7. The engine must not crank. 8. If it cranks, consult your local KUBOTA Dealer for this service. (1) Parking brake lever (A) "PULL"...

  • Page 98: Checking Wheel Bolt Torque

    PERIODIC SERVICE (3) If the buzzer does not sound, shut off the engine and consult your local KUBOTA Dealer for BChecking Wheel Bolt Torque immediate servicing of the PTO OPC. 7. If the PTO OPC is operating properly, shut off the...

  • Page 99: Every 100 Hours

    PERIODIC SERVICE EVERY 100 HOURS BLubricating Grease Fittings Apply a small amount of multipurpose grease to the following points every 100 hours: If you operated the machine in extremely wet and muddy conditions, lubricate grease fittings more often. (1) Grease fitting (Top link) (2) Grease fitting (Top link bracket) (3) Grease fitting (Lifting rod) (1) Grease fitting (Front axle support)

  • Page 100: Checking Battery Condition

    PERIODIC SERVICE Mishandling the battery shortens the service life and adds to maintenance costs. The original battery is maintenance free, but needs some servicing. If the battery is weak, the engine will be difficult to start and the lights will be dim. It is important to check the battery periodically.

  • Page 101: Cleaning Air Cleaner Primary Element

    PERIODIC SERVICE BCleaning Air Cleaner Primary Element 1. Remove the air cleaner cover and primary element. 2. Clean the primary element: (1) When dry dust adheres to the element, blow compressed air from the inside, turning the element. Pressure of compressed air must be under 205 kPa (2.1 kgf/cm , 30 psi).

  • Page 102: Adjusting Fan Belt Tension

    "EVERY 1000 HOURS or 1 YEAR" in "PERIODIC out of the specifications, contact your local SERVICE" section.) KUBOTA Dealer for adjusting the brakes. C Evacuator Valve C Checking the brake pedal free travel Open the evacuator valve once a week under ordinary...

  • Page 103: Adjusting Parking Brake Lever

    PERIODIC SERVICE C Checking the brake pedal stroke BAdjusting Parking Brake Lever Pedal stroke Less than 100 mm at each pedal Proper parking brake 2 notches (Ratchet sound 2). lever free travel 1. Disengage the brake pedal lock. 2. Step on the right-hand pedal and measure the level difference (pedal stroke) between this pedal and the 1.

  • Page 104: Every 200 Hours

    PERIODIC SERVICE EVERY 200 HOURS BChecking Oil Cooler Line 1. Check to see that all lines and hose clamps are tight and not damaged. 2. If hoses and clamps are found worn or damaged, replace or repair them at once. (A) Wheel - to - wheel distance at rear (B) Wheel - to - wheel distance at front (C) "FRONT"...

  • Page 105: Draining Fuel Tank Water

    PERIODIC SERVICE C How to attach and detach the push-rivet assy. BDraining Fuel Tank Water A Detaching procedure Loosen the drain plug at the bottom of the fuel tank to let To remove the push rivet of the indoor air filter, hold sediments, impurities and water out of the tank.

  • Page 106: Cleaning Fresh Air Filter

    PERIODIC SERVICE C Cleaning the air filter A Normal use BCleaning Fresh Air Filter Blow air from the opposite direction to the filter's Remove the knob bolts and pull out filter. normal air flow. Pressure of compressed air must be under 205 kPa (2.1 kgf/cm , 30 psi).

  • Page 107: Checking Air Conditioner Condenser

    PERIODIC SERVICE BChecking Air Conditioner Condenser BAdjusting Air-Conditioner Belt Tension Check air conditioner condenser to be sure it is clean of 1. Push on the belt between the pulleys with a finger. A debris. deflection of 10 to 12 mm under a 98 N (10 kgf) load is appropriate.

  • Page 108: Every 400 Hours

    PERIODIC SERVICE EVERY 400 HOURS EVERY 500 HOURS BCleaning Water Separator BChanging Engine Oil This job should not be done in the field, but in a clean place. 1. Close the fuel shutoff-valve. To avoid personal injury or death: 2. Unscrew the retainer ring and remove the cup, and A Be sure to stop the engine before changing the rinse the inside with kerosene.

  • Page 109: Replacing Engine Oil Filter

    Then, replenish the engine oil up to the prescribed level. (1) Fuel filter (1) Engine oil filter A To prevent serious damage to the engine, use only a KUBOTA genuine filter.

  • Page 110: Replacing Hydraulic Oil Filter

    PERIODIC SERVICE A To prevent serious damage to the hydraulic system, BReplacing Hydraulic Oil Filter use only a KUBOTA genuine filter. C Cleaning Magnetic Filter BChecking Radiator Hose and Clamp Check to see if radiator hoses are properly fixed every 500 To avoid personal injury or death: hours of operation.

  • Page 111: Checking Fuel Line

    3. Check to see that all lines and hose clamps are tight and not damaged. 4. If hoses and clamps are found worn or damaged, consult your local KUBOTA Dealer for this service. (1) Hose (2) Hose clamps BChecking Air-Conditioner Pipe and Hose 1.

  • Page 112: Every 600 Hours

    2. After draining reinstall the drain plug. 3. Fill with the new KUBOTA SUPER UDT fluid up to the upper notch on the dipstick. (See "LUBRICANTS, FUEL AND COOLANT" in "MAINTENANCE"...

  • Page 113: Changing Front Differential Case Oil

    Oil capacity (1) Drain plug (2) Filling plug BAdjusting Engine Valve Clearance Consult your local KUBOTA Dealer for this service. EVERY 1 000 HOURS or 1 YEAR (1) Drain plug (2) Filling plug Be sure to do the following servicing once every 1 000 (3) Check plug hours or yearly, whichever comes first.
  • Page 114 PERIODIC SERVICE EVERY 2 000 HOURS or 2 YEARS Be sure to do the following service once every 2000 hours or every 2 years whichever comes faster. BFlushing Cooling System and Changing Coolant To avoid personal injury or death: A Do not remove radiator cap while coolant is hot.
  • Page 115 Call your adversely affecting the engine parts. local Poison Control Center or your local 7. Kubota's genuine long-life coolant has a service life of emergency number for further assistance. 2 years. Be sure to change the coolant every 2000 A When antifreeze comes in contact with the skin hours or every 2 years whichever comes faster.
  • Page 116 EVERY 2 YEARS SERVICE AS REQUIRED BReplacing Oil Cooler Line BBleeding Fuel System Consult your local KUBOTA Dealer for this service. Air must be removed: 1. When the fuel filter or lines are removed. 2. When water is drained from water separator.
  • Page 117 "TROUBLESHOOTING" section of this manual or your local KUBOTA Dealer for specific information dealing with electrical problems. BBleeding Brake System Consult your local KUBOTA Dealer for this service. BDraining Clutch Housing Water The tractor is equipped with a drain plug under the clutch housing.
  • Page 118 PERIODIC SERVICE FUSE CAPACITY Protected circuit Meter backup Flasher (Hazard) Dome light, Brake lamp Head light Auxiliary power Tail / Position lamp, Horn Air conditioner compressor, Front side work light Air conditioner (Fan motor) Front work light (10) Rear work light Engine, PTO(Power Take Off ), (11) Alternator...
  • Page 119 PERIODIC SERVICE C Air suspension seat BReplacing Head Lamp To avoid personal injury: A Be careful not to drop the bulb, hit anything against the lamp, apply excess force, and get the lamp scratched. If broken, glass may cause injury. Pay more attention to halogen lamps in particular, which have high pressure inside.
  • Page 120 A In contact with a flame, R134a refrigerant gives a toxic gas. A Do not disconnect any part of the refrigeration circuit of the air conditioning system. Consult your local KUBOTA Dealer for assistance and service. (1) Door hinge A shortage of refrigerant impairs the air-conditioner (2) Rear window hinge performance.
  • Page 121 PERIODIC SERVICE A Charge only with R134a not R12 refrigerant (gas).
  • Page 122 102 STORAGE STORAGE REMOVING THE TRACTOR FROM STORAGE To avoid personal injury or death: 1. Check the tire air pressure and inflate the tires if they A Do not clean the machine while the engine is are low. running. 2. Jack the tractor up and remove the support blocks A To avoid danger...
  • Page 123 A Loose or defective fan belt A Adjust or replace fan belt. A Dirty radiator core or grille screens A Remove all trash. A Coolant flow route corroded A Flush cooling system. If you have any questions, contact your local KUBOTA Dealer.
  • Page 124 104 OPTIONS OPTIONS Consult your local KUBOTA Dealer for further details. A Engine Block Heater For extremely cold weather starting A Double Acting Remote Hydraulic Control Valve with Detents and Self-Cancelling A Flow Control Valve Kit A Double Acting Remote Hydraulic Control Valve with...

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