Kubota BX24D Operator's Manual
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Kubota BX24D Operator's Manual

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  • Page 2 ABBREVIATION LIST...
  • Page 3 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. 3-Point Lowering Speed Control Safety Alert Symbol Remote Cylinder-Retract Diesel Fuel Remote Cylinder-Extend...
  • 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.

  • Page 5: Table Of Contents

    CONTENTS SAFE OPERATION ....................1 TRACTOR........................ 1 LOADER ........................6 BACKHOE........................ 8 SERVICING ......................... 1 SPECIFICATIONS OF THE TRACTOR ..............2 SPECIFICATION TABLE ..................2 TRAVELING SPEEDS ..................... 3 SPECIFICATIONS OF THE LOADER................. 4 LOADER SPECIFICATIONS ................... 4 BUCKET SPECIFICATIONS..................4 DIMENSIONAL SPECIFICATIONS .................
  • Page 6 CONTENTS Block Heater (Option) ..................... 24 STOPPING THE ENGINE..................24 WARMING UP ....................... 25 Warm-up and Transmission Oil in the Low Temperature Range........25 JUMP STARTING ....................25 OPERATING THE TRACTOR ................... 26 OPERATING NEW TRACTOR ................26 Do not Operate the Tractor at Full Speed for the First 50 Hours........26 Changing Lubricating Oil for New Tractors..............
  • Page 7 CONTENTS Stationary PTO ....................... 41 PTO Drive Shaft......................42 THREE-POINT HITCH & DRAWBAR................ 43 3-POINT HITCH ..................... 44 Attaching and detaching implements................44 Lifting Rod (Right)......................44 Top Link .......................... 44 Check Chains ......................... 44 HITCH ........................44 Removing the 3-Point Hitch .................... 45 Installing the 3-Point Hitch ....................
  • Page 8 CONTENTS Stabilizer Control Levers....................59 PLACING THE STABILIZERS ................59 GENERAL BACKHOE OPERATION ..............60 Dipperstick Digging......................60 Spoil Pile Location ......................60 Straight Wall or Cemetery Digging ................. 60 Stabilizer pads (Standard) ....................61 Stabilizer pads (Option) ....................61 TRANSPORTING....................
  • Page 9 CONTENTS Cleaning Transmission Strainer..................80 Replacing Transmission Oil Filter ................... 81 Changing Front Axle Case Oil ..................81 EVERY 400 HOURS ....................82 Adjusting Front Axle Pivot....................82 EVERY 500 HOURS ....................82 Replacing Fuel Filter....................... 82 EVERY 800 HOURS ....................82 Adjusting Engine Valve Clearance .................
  • Page 10 CONTENTS REINSTALLING THE BACKHOE ................98 TROUBLESHOOTING..................... 100 ENGINE TROUBLESHOOTING ................100 OPTIONS......................... 101...

  • Page 11: Safe Operation

    ROPS. Check the seat belt 3. KUBOTA recommends the use of a CAB or Roll Over regularly and replace if frayed or damaged. Protective Structures (ROPS) and seat belt in almost 5.
  • Page 12 SAFE OPERATION 13. Use proper weights on the front or rear of the tractor to 2. Keep all shields and guards in place. Replace any that reduce the risk of upsets. When using the front loader, are missing or damaged. put an implement or ballast on the 3-point hitch to 3.
  • Page 13 SAFE OPERATION 4. Avoid changing gears speed when climbing or going 10. When towing other equipment, use a safety chain and down a slope. If on a slope changing gears to place an SMV emblem on it as well. "NEUTRAL" could cause loss of control. C Driving the tractor on the road 1.
  • Page 14 SAFE OPERATION 4. OPERATING THE PTO 5. USING 3-POINT HITCH 1. Use the 3-point hitch only with equipment designed for 1. Wait until all moving components have completely 3-point hitch usage. stopped before getting off the tractor, connecting, 2. When using a 3-point hitch mounted implement, be disconnecting, adjusting, cleaning, or servicing any sure to install the proper counterbalance weight on the PTO driven equipment.
  • Page 15 SAFE OPERATION 7. Disconnect the battery's ground cable before working 15. Escaping hydraulic fluid under pressure has sufficient on or near electric components. force to penetrate skin, causing serious personal 8. To avoid the possibility of battery explosion, do not use injury.
  • Page 16 3. For your safety, a ROPS with a seat belt is strongly operating loader and tractor. recommended by KUBOTA in almost all applications. 5. Do not walk or work under a raised loader bucket or If your tractor has a foldable ROPS, fold it down only...
  • Page 17 SAFE OPERATION 18. Be extra careful when operating the tractor on a slope, always operate up and down, never across the slope. Do not operate on steep slopes or unstable surfaces. 19. When operating another implement on a hillside, be sure to remove the loader to reduce the risk of rollover.

  • Page 18: Backhoe

    SAFE OPERATION BACKHOE Most backhoe equipment accidents can be avoided by following simple safety precautions. These safety precautions, if followed at all times, will help you operate your backhoe safety. BEFORE OPERATING BACKHOE 3. DRIVING THE TRACTOR ON THE ROAD 1.
  • Page 19 SAFE OPERATION...
  • Page 20 SAFE OPERATION (2) Part No. K2591-6557-2 (1) Part No. K2581-6554-1 (3) Part No. K2561-6556-1 (4) Part No. K2581-6555-1 1HNAAACAP014E...
  • Page 21 SAFE OPERATION (1) Part No. K2581-6541-1 (2) Part No. K2581-6547-1 Stay clear of engine fan and fanbelt. 1AGAJAXAP048E (3) Part No. K2581-6542-1 (4) Part No. K2581-6543-1 Do not touch hot surface like muffler, etc. 1AGAJAXAP049E 1AGAJAXAP052E 1AGAJAXAP050E...
  • Page 22 SAFE OPERATION (1) Part No. K1211-6116-1 (2) Part No. K1211-6115-1...
  • Page 23 SAFE OPERATION DANGER, WARNING AND CAUTION LABELS OF THE LOADER (2) Part No. 7J246-5645-1 (3) Part No. 7J246-5642-1 (5) Part No. 7J246-5644-2 (1) Part No. 7J246-5643-1 (Both sides) (4) Part No. 7J266-5649-2...
  • Page 24 SAFE OPERATION (1) Part No. 7J246-5641-1...
  • Page 25 SAFE OPERATION DANGER, WARNING AND CAUTION LABELS OF THE BACKHOE (1) Part No. 75597-7528-1 (2) Part No. 75595-7517-2 (3) Part No. 75595-7524-2 (4) Part No. 7K501-7529-1 (5) Part No. 75597-7517-2...
  • Page 26 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 27: Tractor

    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, engine, loader and backhoe serial number.

  • Page 28: Specifications Of The Tractor

    SAE 1-3/8, 6 splines Rear PTO Revolution 1 speed (540 rpm at 3142 engine rpm) USA No.5 (KUBOTA 10-tooth) involute spline MID-PTO Revolution 1 speed (2500 rpm at 3043 engine rpm) NOTE: * Manufacturer's estimate The company reserve the right to change the specifications without notice.

  • Page 29: Traveling Speeds

    SPECIFICATIONS OF THE TRACTOR TRAVELING SPEEDS (At rated engine rpm) Model BX24 Tire size (Rear) 26 X 12.00 - 12 Range gear shift lever km / h 0 to 6.0 0 to 3.7 Forward High 0 to 13.0 0 to 8.1 0 to 4.5 0 to 2.8 Reverse...

  • Page 30: Specifications Of The Loader

    SPECIFICATIONS OF THE LOADER SPECIFICATIONS OF THE LOADER LOADER SPECIFICATIONS LOADER MODEL LA240 TRACTOR MODEL BX24 BORE mm (in.) 40 (1.57) BOOM CYLINDER STROKE mm (in.) 326 (12.8) BORE mm (in.) 65 (2.56) BUCKET CYLINDER STROKE mm (in.) 204 (8.03) One Detent Float Position, Two Stage Bucket Dump, CONTROL VALVE Power Beyond Circuit...

  • Page 31: Dimensional Specifications

    SPECIFICATIONS OF THE LOADER DIMENSIONAL SPECIFICATIONS LOADER MODEL LA240 TRACTOR MODEL BX24 A MAX. LIFT HEIGHT (TO BUCKET PIVOT PIN) mm (in.) 1810 (71.3) B MAX. LIFT HEIGHT UNDER LEVEL BUCKET mm (in.) 1680 (66.1) C CLEARANCE WITH BUCKET DUMPED mm (in.) 1330 (52.4) REACH AT MAX.

  • Page 32: Loader

    SPECIFICATIONS OF THE LOADER OPERATIONAL SPECIFICATIONS LOADER MODEL LA240 TRACTOR MODEL BX24 LIFT CAPACITY (BUCKET BOTTOM MID POINT) kg (lbs.) 240 (529) LIFT CAPACITY (BUCKET PIVOT PIN, MAX. HEIGHT) kg (lbs.) 340 (750) LIFT CAPACITY (500 mm FORWARD, MAX. HEIGHT) kg (lbs.) 235 (518) LIFT CAPACITY (BUCKET PIVOT PIN, 1500 mm HEIGHT)
  • Page 33 SPECIFICATIONS OF THE LOADER [LA240]...

  • Page 34: Loader Terminology

    SPECIFICATIONS OF THE LOADER LOADER TERMINOLOGY (1) Loader control lever (6) Boom (2) Side frame (7) Bucket cylinder (3) Mounting pin (8) Bucket (4) Main frame (9) Lock lever (5) Boom cylinder...

  • Page 35: Specifications Of The Backhoe

    1862 mm (73.3 in.) Angle of departure per SAE J1234 (A3) 20.1 deg. Leveling angle 11 deg. Swing arc 140 deg. A The specifications are taken with KUBOTA BX24 tractor. (Tire size : Front 18 X 8.5-10, Rear 26 X 12.00-12)

  • Page 36: Specifications

    SPECIFICATIONS OF THE BACKHOE BSpecifications Digging force (Per SAE J49) With bucket cylinder 8610 N (1936 lbs.) With dipperstick cylinder 5209 N (1171 lbs.) Cycle Time (seconds) Boom cylinder, extend Boom cylinder, retract Swing cylinder, from 90 degrees to center Dipperstick cylinder, extend Dipperstick cylinder, retract Bucket cylinder, extend...
  • Page 37 SPECIFICATIONS OF THE BACKHOE Hydraulic cylinders Boom Dipperstick Bucket Stabilizer Swing cm (in.) cm (in.) cm (in.) cm (in.) cm (in.) Rod diameter 3.0 (1.18) 2.5 (0.98) 2.5 (0.98) 2.5 (0.98) 3.0 (1.18) Cylinder bore 6.5 (2.56) 6.0 (2.36) 5.0 (1.97) 6.0 (2.36) 6.0 (2.36) Bucket Sizes...

  • Page 38: Lift Capacity (Per Sae J31)

    SPECIFICATIONS OF THE BACKHOE BLift Capacity (Per SAE J31) Lift capacities shown are 87% of maximum lift force, according to SAE definition. 192(423) (ft) 212(467) 215(474) 209(461) (ft) 203(448) 201(443) 214(472) 262(578) (ft) RATED LIFT CAPACITY(OVER END)-kg(lbs) 1HNAAACAP002A...

  • Page 39: Backhoe Terminology

    SPECIFICATIONS OF THE BACKHOE BACKHOE TERMINOLOGY (1) Backhoe bucket (2) Bucket teeth (3) Link, bucket (4) Cylinder, bucket (5) Dipperstick (6) Cylinder, dipperstick (7) Boom (8) Cylinder, boom (9) Swing frame (10) Main frame (11) Cylinder, swing (12) Stabilizer (13) Stabilizer pad (14) Cylinder, stabilizer (15) Joystick control (16) Stabilizer control...

  • Page 40: 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 41 Max. load capacity kg(lbs.) 800 (1765) * KUBOTA provides BT601 Backhoe for BX24. No other Backhoe installed by 3-point hitch is permitted for BX24. ** KUBOTA provides LA240 Front-end Loader for BX24. A Implement size may vary depending on soil operating conditions.

  • Page 42: Instrument Panel And Controls

    INSTRUMENT PANEL AND CONTROLS INSTRUMENT PANEL AND CONTROLS B Instrument Panel, Switches and Hand Controls ILLUSTRATED CONTENTS (1) Hourmeter / Tachometer........(2) Easy Checker(TM)..........22,34 (3) Turn signal light switch.......... (4) Head light switch........... (5) Hazard light switch..........(6) Coolant temperature gauge........(7) Fuel gauge............
  • Page 43 INSTRUMENT PANEL AND CONTROLS B Foot and Hand Controls ILLUSTRATED CONTENTS (1) Differential lock pedal........... (2) Parking brake lock pedal........22,30,32,36 (3) 3-Point hitch lowering speed knob......(4) Cutting height control dial........(5) PTO select lever........... (6) PTO clutch lever........... 22,41 (7) Seat belt...............

  • Page 44: Pre-Operation Check Of The Tractor

    PRE-OPERATION CHECK OF THE TRACTOR PRE-OPERATION CHECK OF THE TRACTOR 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: A Be sure to check and service the tractor on a level surface with the engine shut off and the parking brake "ON"...

  • Page 45: Pre-Operation Check Of The Loader

    PRE-OPERATION CHECK OF THE LOADER PRE-OPERATION CHECK OF THE LOADER LUBRICATION TIRE INFLATION Lubricate all grease fittings with SAE multipurpose Insure that the tractor tires are properly inflated. grease. See "TIRES, WHEELS AND BALLAST" section. TEST OPERATION To avoid serious personal injury: A Keep engine speed at low idle during the test operation.

  • Page 46: Removing Air From Hydraulic System

    PRE-OPERATION CHECK OF THE LOADER To begin test operation, slightly move the control lever from "N" position. Slowly raise the loader boom just enough for the bucket to clear the ground when fully dumped. Slowly work through the dump and roll back cycles.

  • Page 47: Pre-Operation Check Of The Backhoe

    PRE-OPERATION CHECK OF THE BACKHOE PRE-OPERATION CHECK OF THE BACKHOE PRE-OPERATION CHECKS BALLAST Prior to starting the engine, make pre-operation checks according to "MAINTENANCE OF THE BACKHOE" section. To avoid serious personal injury or death: A Never remove loader to ensure tractor stability at all times.

  • Page 48: Operating The Engine

    OPERATING THE ENGINE OPERATING THE ENGINE A It is recommended that the operator practice engaging and disengaging the parking brake on a flat surface To avoid personal injury: without the engine running before operating the tractor A Read "SAFE OPERATION" in the front of this for the first time.
  • Page 49 OPERATING THE ENGINE 4. Lock loader control lever 6. Set the throttle lever to about 1/2 way. "NEUTRAL" position. (1) Hand throttle lever "INCREASE" (1) Loader control lever (A) "LOCK" "DECREASE" (2) Lock lever 7. Insert the key into the key switch and turn it "ON".

  • Page 50: Cold Weather Starting

    8. Turn the key to "PREHEAT" position A If key does not stop the engine, consult your local and hold it for about 2 to 3 seconds. KUBOTA Dealer. For the appropriate preheating time, refer to the table below: Temperature...

  • Page 51: Warming Up

    OPERATING THE ENGINE WARMING UP When jump starting engine, follow the instructions below to safely start the engine. 1. Bring helper vehicle with a battery of the same voltage as disabled tractor within easy cable reach. "THE To avoid personal injury: VEHICLES MUST NOT TOUCH".

  • Page 52: Operating The Tractor

    If interference occurs, contact your KUBOTA Dealer. BDo not Operate the Tractor at Full Speed for the First 50 Hours. BTo Fold the ROPS A Do not start quickly nor apply the brakes suddenly.

  • Page 53: To Raise The Rops To Upright Position

    OPERATING THE TRACTOR 2. Remove both set pins. 4. Insert both set pins and secure them with the hair pins. To avoid personal injury: A Make sure that both set pins are properly installed and secured with the hair pins. (1) Set pins (2) Hair pins 3.

  • Page 54: Adjustment Of Foldable Rops

    OPERATING THE TRACTOR 3. Align set pin holes, insert both set pins. Secure them with the hair pins. BAdjustment of Foldable ROPS A Adjust free fall of the ROPS upper frame regularly. A If you feel less friction in folding the ROPS, tighten the nut (1) until you feel the right friction in the movement.

  • Page 55: Starting

    OPERATING THE TRACTOR STARTING A After adjusting the operator's seat, be sure to check that the seat is properly locked. 1. Adjusting the operator's position. A See "REVERSING THE SEAT" Section when using seat in backhoe position. BSeat Belt To avoid personal injury: A Always use the seat belt when the ROPS is installed.

  • Page 56: Turn Signal Light Switch

    OPERATING THE TRACTOR BTurn Signal Light Switch To indicate a right turn, turn the switch clockwise. To indicate a left turn, turn the switch counter-clockwise. When the left or right turn signal is activated in combination with the hazard lights, the indicated turning light will flash and the other will stay on.

  • Page 57: Range Gear Shift Lever (Hi-Lo)

    OPERATING THE TRACTOR BRange Gear Shift Lever (Hi-Lo) BFront Wheel Drive Lever The range gear shift can only be shifted when tractor is completely stopped. To avoid personal injury: A Do not engage the front wheel drive when traveling at road speed. To avoid personal injury: A When driving on icy, wet or loose surfaces, A Make sure the range shift lever is fully engaged...

  • Page 58: Hand Throttle Lever

    OPERATING THE TRACTOR C Front wheel drive is effective for the following jobs: 8. Depress the Speed Control Pedal. 1. When greater pulling force is needed, such as working in a wet field, when pulling a trailer, or when working with a front-end loader.

  • Page 59: Speed Set Device

    OPERATING THE TRACTOR BSpeed Set Device The Speed Set Device is designed for tractor operating efficiency and operator's comfort. This device will provide a constant forward operating speed by mechanically holding the speed control pedal at a selected position. C To engage Speed Set Device 1.

  • Page 60: Stopping

    KUBOTA Dealer. A For checking and servicing of your tractor, consult your local KUBOTA Dealer for instructions. BFuel Gauge When the key switch is "ON", the fuel gauge moves to empty once and indicates the fuel level.

  • Page 61: Coolant Temperature Gauge

    OPERATING THE TRACTOR (1) Fuel gauge (A) "EMPTY" (1) Coolant temperature gauge (B) "FULL" BHourmeter/Tachometer BCoolant Temperature Gauge When the key switch is "ON" and the engine is "OFF", the indicator displays an hourmeter. The hourmeter indicates in six digits the hours the tractor has been used;...

  • Page 62: Parking

    OPERATING THE TRACTOR PARKING ACCESSORY B12V Electric Outlet BParking An auxiliary light or other devices may be connected to this connector. To avoid personal injury: C Do not connect a light or other device that draws A Always set the parking brake, stop the engine more than 120 watts to this connector, or the and remove the key before leaving the tractor battery may discharge very rapidly or the outlet...

  • Page 63: Operating Techniques

    SMV emblem and warning lamps on equipment. If one of the rear wheels should slip, step on the Consult your local KUBOTA Dealer for further details. differential lock pedal. Both wheels will then turn together, reducing slippage.

  • Page 64: Operating On A Slopes And Rough Terrain

    OPERATING THE TRACTOR REVERSING THE SEAT BOperating on a Slopes and Rough Terrain To avoid personal injury: A Always back up when going up a steep slope. Driving forward could cause the tractor to tip over backward. Stay off hills and slopes too steep for safe operation.
  • Page 65 OPERATING THE TRACTOR 5. Push the seat backward, then the seat pin will come 3. Raise the seat until the seat pin comes in to the detent out from detent notch. notch (see illustration). Push the seat down until the lever is locked at the backhoe position.

  • Page 66: Pto

    C Mid-PTO adjusting, cleaning driven The Mid-PTO is available for KUBOTA approved equipment. implements. BPTO Select Lever The tractor has a 540 rpm rear PTO speed and a 2500 rpm mid-PTO speed. (1) Mid-PTO (1) PTO select lever...

  • Page 67: Pto Clutch Lever

    BPTO Clutch Lever 1. The PTO clutch lever engages or disengages the PTO clutch which gives the PTO independent control. 2. Shift the lever to "ON" to engage the PTO clutch. Shift the lever to "OFF" to disengage the PTO clutch. (1) PTO shaft cover (A) "NORMAL POSITION"...

  • Page 68: Pto Drive Shaft

    BPTO Drive Shaft (1) Inner and outer sliding profile tubes (2) Journal cross assy (3) Fitting yoke (4) Safety guard (In, Out) (5) Chain 1. When using a PTO drive shaft, read the operator's manual of the implement before operating the implement.

  • Page 69: Three-Point Hitch & Drawbar

    THREE-POINT HITCH & DRAWBAR THREE-POINT HITCH & DRAWBAR (1) Top link Use holder plate to hold lower link higher while mowing (2) Lifting rod (Left) with mid-mount mower only over uneven terrain. (3) Check chains (4) Turnbuckle (5) Lower link (6) Top link holder (7) Lifting rod (Right) (8) Drawbar...

  • Page 70: 3-Point Hitch

    THREE-POINT HITCH & DRAWBAR 3-POINT HITCH A When not using the top link, make it the shortest length and fix it to the top link holder. BAttaching and detaching implements BCheck Chains To avoid personal injury: Adjust the turnbuckle to control horizontal sway of the A Be sure to stop the engine and remove the key.

  • Page 71: Removing The 3-Point Hitch

    THREE-POINT HITCH & DRAWBAR 3. Remove the hair pin and stopper pin. Then remove the check chain plate and lower links. BRemoving the 3-Point Hitch When installing the backhoe, remove the 3-point hitch. BInstalling the 3-Point Hitch 1. Remove the lynch pin and the top link pin. Then 1.

  • Page 72: 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.

  • Page 73: Auxiliary Hydraulics

    HYDRAULIC UNIT AUXILIARY HYDRAULICS INSTALLING MOWER On the tractor hydraulic outlet is provided. Do not attach nor operate the mower with the backhoe still in place. When installing the mower, remove the backhoe from the BHydraulic Outlet tractor with following procedure. It can be used with the BT601 Backhoe.

  • Page 74: Mower Lift Linkage System

    HYDRAULIC UNIT MOWER LIFT LINKAGE SYSTEM 4. Place the protective cap on the coupler of the backhoe inlet hose, the coupler of the outlet hose, and power BCutting Height Control Dial beyond hose. 5. Connect the tractor outlet hose to the coupler of power beyond pipe.

  • Page 75: 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. Implement Remarks Soil condition...

  • Page 76: Tires, Wheels And Ballast

    150kPa(1.5kgf/ , 22psi) 18x8.50-10 Ind. 150kPa(1.5kgf/ , 22psi) A Do not use tires other than those approved by KUBOTA. With A When you intend to mount different size of tires from Tire sizes Inflation Pressure loader equipped ones, consult your dealer about front drive gear ratio for details.

  • Page 77: Rear Wheels

    TIRES, WHEELS AND BALLAST BRear Wheels Rear tread width can not be adjusted. A Do not turn rear discs to obtain wider tread. Tire 26x12.00-12 Turf, Bar, and Ind. Tread A Always attach tires as shown in the drawings. A If not attached as illustrated, transmission parts may be damaged. A When re-fitting or adjusting a wheel, tighten the bolts to the following torques then recheck after driving the tractor 200m (200yards) and thereafter daily check service.

  • Page 78: Ballast

    TIRES, WHEELS AND BALLAST BALLAST Liquid weight per tire (75 Percent filled) Tire sizes 26x12.00-12 Slush free at -10 To avoid personal injury: Solid at -30 (-22 45 kg A Additional ballast will needed [Approx. 1 kg (2 lbs.) (99 lbs.) transporting heavy implements.

  • Page 79: Operating The Loader

    OPERATING THE LOADER OPERATING THE LOADER The loader should be operated with the tractor engine The rollback and lifting of the bucket will increase speed depending on the application and the operator's efficiency because a level bucket throughout the lifting level of experience.

  • Page 80: Carrying The Load

    OPERATING THE LOADER CARRYING THE LOAD LOWERING THE BUCKET Position the bucket just below the level of the tractor hood After the bucket is dumped, back away from the vehicle for maximum stability and visibility, whether the bucket is while lowering and rolling back the bucket. loaded or empty.

  • Page 81: Loading From A Bank

    OPERATING THE LOADER LOADING FROM A BANK Another method for large dirt piles is to build a ramp to approach the pile. Choose a forward gear that provides a safe ground speed and power for loading. It is important to keep the bucket level when approaching a bank or pile.

  • Page 82: Loading Low Trucks Or Spreaders From A Pile

    OPERATING THE LOADER LOADING LOW TRUCKS OR SPREADERS FROM A PILE A Do not use the bucket in the dumped position for bulldozing. As shown above, this method will impose severe shock loads on the dump-linkage, the bucket cylinders, and the tractor. Leave dirt in the bucket because dumping on each pass For faster loading, minimize the angle of turn and length wastes time.

  • Page 83: Handling Large Heavy Objects

    OPERATING THE LOADER HANDLING LARGE HEAVY OBJECTS VALVE LOCK To avoid serious personal injury or death: To avoid injury from crushing: A Handling large, heavy objects can be dangerous A Do not utilize the valve lock for machine due to : maintenance or repair.

  • Page 84: Operating The Backhoe

    OPERATING THE BACKHOE OPERATING THE BACKHOE OPERATING SPEED To avoid personal injury: A Use care when operating on slopes to avoid tip over. Travel at speed compatible with safe operation, especially when operating in uneven terrain, crossing ditches or while turning. 1.

  • Page 85: Dipperstick & Bucket Lever

    OPERATING THE BACKHOE PLACING THE STABILIZERS BDipperstick & Bucket Lever Pushing the lever forward will crowd out the dipperstick and the bucket out and pulling it back will crowd them in. Lever movement to the left will curl the bucket to fill it, and To avoid personal injury: right lever movement will dump the bucket.

  • Page 86: General Backhoe Operation

    OPERATING THE BACKHOE GENERAL BACKHOE OPERATION BSpoil Pile Location To avoid personal injury: To avoid personal injury: A Do not dig under the stabilizer or tractor, A Do not place spoil close to the edge of the especially in soft or sandy condition. excavation where its weight could cause a cave-in.

  • Page 87: Stabilizer Pads (Standard)

    OPERATING THE BACKHOE To finish the near wall, raise the boom while crowding in. The bucket will have to be curled in to keep the cutting BStabilizer pads (Option) edge horizontal with the wall during the up cut. The stabilizer pads can be reversed without the use of tools.

  • Page 88: Transporting

    OPERATING THE BACKHOE A Always lower stabilizers slightly when changing from BDriving to the Job-site one position to another to avoid soil splash. When driving or transporting from one job-site to another, or when using the loader such as stockpiling and TRANSPORTING backfilling, always engage the boom and swing locks.

  • Page 89: Maintenance Of The Tractor

    MAINTENANCE OF THE TRACTOR MAINTENANCE OF THE TRACTOR SERVICE INTERVALS Indication on hour meter Ref. Items Since then page Engine oil Change every 100 Hr Engine oil filter Replace every 200 Hr Transmission oil Replace every 300 Hr filter Transmission fluid Change every 300 Hr Transmission...

  • Page 90: Lubricants

    *5 When the battery is used for less than 100 hours per year, check the battery condition by reading the indicator annually. A The items listed above (@ marked) are registered as emission related critical parts by KUBOTA in the U.S.EPA nonroad emission regulation.
  • Page 91 We recommend the use of KUBOTA SUPER UDT fluid for optimum protection and performance. (Consult your local KUBOTA Dealer for further detail.) Do not mix different brands together.

  • Page 92: Periodic Service Of The Tractor

    PERIODIC SERVICE OF THE TRACTOR PERIODIC SERVICE OF THE TRACTOR BEngine Cover 1. Remove the front-end loader before removing the To avoid personal injury: A Do not work under any hydraulically supported engine cover. (See "REMOVING THE LOADER" section.) devices. They can settle, suddenly leak down, or be accidentally lowered.

  • Page 93: Daily Check

    PERIODIC SERVICE OF THE TRACTOR A When reinstall the engine cover, tighten the knob bolts. A When reinstall the front guard, tighten the bolts and the nuts by 77.4 to 90.2 N-m (7.9 to 9.2 kgf-m, 57.1 to 66.5 ft-lbs) DAILY CHECK For your own safety and maximum service life of the machine, make a thorough daily inspection before...

  • Page 94: Checking And Refueling

    PERIODIC SERVICE OF THE TRACTOR A Grade of Diesel Fuel Oil According to ASTM D975 (SAE J313 JUN87) BChecking and Refueling Water and Carbon Flash Point, Sediment, Residue on, Ash, weight volume 10 percent To avoid personal injury: Residuum, % A Do not smoke while refueling.

  • Page 95: Checking Transmission Fluid Level

    A If the radiator cap has to be removed, follow the above "CAUTION" and securely retighten the cap. A Use clean, fresh water and anti-freeze to fill the recovery tank. A If water should leak, consult your local KUBOTA Dealer. (1) Oil inlet (A) Oil level is acceptable within this range.

  • Page 96: Cleaning Panel And Radiator Screen

    PERIODIC SERVICE OF THE TRACTOR A Be sure to stop the engine to avoid personal injury and to allow good air intake for air cleaner. BCleaning Panel and Radiator Screen BChecking Brake Pedal 1. Inspect the brake pedal for free travel, and smooth To avoid personal injury: operation.

  • Page 97: Checking Seat Belt And Rops

    A If the tractor does not pass the test do not 6. The engine must shut off after approximately 1 operate the tractor. second. 7. If it does not stop, consult your local KUBOTA Dealer C Preparation before testing. for this service. 1. Sit on operator's seat.

  • Page 98: Lubricating Grease Fittings

    PERIODIC SERVICE OF THE TRACTOR BLubricating Grease Fittings BChecking Wheel Bolt Torque Apply a small amount of multipurpose grease to the following points every 50 hours. To avoid personal injury: A Never operate tractor with a loose rim, wheel, or axle. A Any time bolts are loosened, retighten to specified torque.

  • Page 99: Every 100 Hours

    PERIODIC SERVICE OF THE TRACTOR EVERY 100 HOURS C Battery Charging BBattery To avoid personal injury: A When the battery is being activated, hydrogen and oxygen gases in the battery are extremely To avoid the possibility of battery explosion: explosive. Keep open sparks and flames away refillable type battery,...

  • Page 100: Changing Engine Oil

    PERIODIC SERVICE OF THE TRACTOR 6. When exchanging an old battery for a new one, use battery of equal specification shown in Table 1. BChanging Engine Oil Table 1 Reserve Cold To avoid personal injury: Battery Volts Capacity Cranking A Be sure to stop the engine and remove the key Type (min) Amps...

  • Page 101: Cleaning Air Cleaner Element

    PERIODIC SERVICE OF THE TRACTOR BCleaning Air Cleaner Element C Evacuator Valve Open the evacuator valve once a week under ordinary conditions - or daily when used in a dusty place - to get rid of large particles of dust and dirt. To avoid personal injury: A Be sure to stop the engine and remove the key before cleaning air cleaner element.

  • Page 102: Adjusting Fan Belt Tension

    The HST neutral spring located under the front right side (2) Fuel filter of the fender can adjust returning speed of speed control pedal. Consult your local KUBOTA Dealer for service. A If the fuel line is removed, be sure to properly bleed the fuel system.

  • Page 103: Adjusting Brake Pedal

    25 to 35 mm (1.0 to 1.4 in.) (1) Engine oil filter A To prevent serious damage to the engine, use only a KUBOTA genuine filter. (1) Lock nut (A) Free travel (2) Turnbuckle...

  • Page 104: Checking Radiator Hose And Clamp

    PERIODIC SERVICE OF THE TRACTOR BChecking Radiator Hose and Clamp BAdjusting Toe-in 1. Park tractor on a firm, flat and level place. 2. Turn steering wheel so front wheels are in the straight ahead position. To avoid personal injury: 3. Lower the implement to the ground, lock the parking A Be sure to stop the engine and remove the key brake, stop the engine and remove the key.

  • Page 105: Checking Intake Air Line

    PERIODIC SERVICE OF THE TRACTOR BChecking Intake Air Line BChecking Power Steering Line To avoid personal injury: To avoid personal injury: A Be sure to stop the engine and remove the key A Be sure to stop the engine and remove the key before checking intake air line.

  • Page 106: Every 300 Hours

    2. After draining reinstall the drain plug. 3. Clean the transmission strainer. 4. Fill with new KUBOTA SUPER UDT fluid up to the upper notch on the dipstick. (See "DAILY CHECK" and "LUBRICANTS" in "MAINTENANCE OF THE TRACTOR" section) 5.

  • Page 107: Replacing Transmission Oil Filter

    5. Properly dispose of used oil. (1) Breather plug (A) Oil level is acceptable (2) Oil gauge with dipstick within this range (1) Filter (3) Drain plug A To prevent serious damage to the hydraulic system, use only a KUBOTA genuine filter.

  • Page 108: Every 400 Hours

    EVERY 500 HOURS if necessary. 11. Properly dispose of used coolant. BReplacing Fuel Filter Coolant capacity Consult your local KUBOTA Dealer for this service. 3.1 L (3.3 U.S. qts.) (With recovery tank) EVERY 800 HOURS BAdjusting Engine Valve Clearance Consult your local KUBOTA Dealer for this service.

  • Page 109: Anti-Freeze

    A Do not start engine without coolant. BReplacing Power Steering Hose A Use clean, fresh water and anti-freeze to fill the Consult your local KUBOTA Dealer for this service. radiator and recovery tank. A When the anti-freeze is mixed with water, the anti- BReplacing Fuel Lines freeze mixing ratio must be less than 50 %.

  • Page 110: Service As Required

    Refer troubleshooting section of this manual or your local KUBOTA Dealer for specific information dealing with electrical problems. If any of them should blow, replace with a new one of the same capacity. (1) Fuel pump (2) Fuel filter 2.

  • Page 111: Replacing Light Bulb

    PERIODIC SERVICE OF THE TRACTOR C Protected circuit [Fuse box] FUSE No. CAPACITY (A) Protected circuit SOLENOID HAZARD WORKING LIGHT DC OUTLET TIMER RELAY CAPACITY (A) Protected circuit Check circuit against Slow blow Fuse (50A) wrong battery connection BReplacing Light Bulb 1.

  • Page 112: Maintenance Of The Loader

    MAINTENANCE OF THE LOADER MAINTENANCE OF THE LOADER RE-TIGHTENING OF HARDWARE After 20 to 30 hours of initial loader operation, re-tighten To avoid personal injury: all mounting bolts and nuts to the required torque value as A Be sure to check and service the tractor on a specified in the "Tightening Torque Chart".

  • Page 113: Daily Checks

    MAINTENANCE OF THE LOADER DAILY CHECKS 1. Check all hardware daily before operation. Tighten hardware to torque values as specified in the "Tightening Torque Chart". 2. With the engine off and the bucket on the ground, inspect all hoses for cuts or wear. Check for signs of leaks and make sure all fittings are tight.

  • Page 114: Maintenance Of The Backhoe

    MAINTENANCE OF THE BACKHOE MAINTENANCE OF THE BACKHOE DAILY CHECKS 1. The backhoe is run by the tractor hydraulic system. Daily before operation, check the tractor hydraulic level. If low, replenish the oil as described in "MAINTENANCE OF THE TRACTOR" section. Also To avoid personal injury: check the filter screen and change the hydraulic fluid A Never...

  • Page 115: Lubrication

    MAINTENANCE OF THE BACKHOE LUBRICATION BUCKET SERVICE Lubricate all grease fittings every 10 hours of operation. High quality grease designated "extreme pressure" and containing Molybdenum disulfide is recommended. This To avoid personal injury: grease may specify "Moly Ep" on its label. A When servicing or repairing pins in cylinder ends, bucket, etc., always use a brass drift and hammer.

  • Page 116: General Torque Specification

    MAINTENANCE OF THE BACKHOE BGeneral torque specification American standard cap screws Metric cap screws with UNC or UNF threads SAE grade No. GR5 or GR8 Property class Approx. SAE GR5 (ft-lbs) 7.2 to 8.6 (ft-lbs) 7.2 to 8.3 (N-m) 9.8 to 11.7 (N-m) 9.8 to 11.2 (kgf-m)

  • Page 117: Storage Of The Tractor

    STORAGE OF THE TRACTOR STORAGE OF THE TRACTOR REMOVING THE TRACTOR FROM STORAGE To avoid personal injury: 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.

  • Page 118: Removing The Loader

    REMOVING THE LOADER REMOVING THE LOADER To avoid personal injury: A Make sure an approved bucket is attached before removing the loader from the tractor. A For removing the loader, choose flat and hard ground, preferably concrete. A If the ground surface is soft, place suitable planks on the ground for the bucket and stand.

  • Page 119: Storage Of The Loader

    REMOVING THE LOADER STORAGE OF THE LOADER 11. Stop the engine. 12. Slowly release all hydraulic pressure by moving the 1. Store the loader in a clean dry place. loader control lever in all directions. 2. Make sure the loader is properly supported. 13.

  • Page 120: Reinstalling The Loader

    REINSTALLING THE LOADER REINSTALLING THE LOADER 4. Start the engine and run at idle. 5. Slowly move the loader control lever to dump position to lower the side frames into the main frames and To avoid personal injury: engage the bosses of the main frames to the guide A When starting the engine and operating the bosses of the side frames.

  • Page 121: Removing The Backhoe

    REMOVING THE BACKHOE REMOVING THE BACKHOE REMOVAL OF THE BACKHOE 3. Keep the stabilizer pads at about 381 mm (15.0 in.) high. To avoid personal injury: A When starting the engine, always sit in the tractor operator's seat. A When getting off the tractor, make sure that PTO lever is off and range gear shift lever is in neutral.
  • Page 122 REMOVING THE BACKHOE 6. Slowly raise the boom to disengage the backhoe from 9. Lower the main frame and swing frame onto the the tractor. ground by operating the boom and stabilizer control levers. 7. Raise the backhoe by operating the stabilizers to the (1) Main frame lowering direction until the mount bars hit to the guide (2) Swing frame...

  • Page 123: Storage Of The Backhoe

    REMOVING THE BACKHOE STORAGE OF THE BACKHOE 1. Store the backhoe in a dry place. 2. Apply a coat of grease to all exposed cylinder rods to prevent rusting. 3. If the backhoe is being stored outside, cover the backhoe with suitable weather cover. This will keep moisture, dirt and other airborne debris from getting into the system.

  • Page 124: Reinstalling The Backhoe

    REINSTALLING THE BACKHOE REINSTALLING THE BACKHOE A Make sure both hoses are firmly connected before starting the engine. To avoid personal injury or death: A When starting the engine, always sit in the 7. Restart the engine. operator's seat. A When getting off the tractor, make sure that PTO lever is "OFF"...
  • Page 125 REINSTALLING THE BACKHOE 9. Move the tractor backward until the support hooks on the tractor main frame are just beneath the mount bar on the backhoe main frame. (1) Guide stop (2) Mount bar (3) Support hook 10. Lower the mount bar onto the support hooks by operating the stabilizer and boom control levers.

  • Page 126: Troubleshooting

    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 127: Options

    OPTIONS OPTIONS Consult your local KUBOTA Dealer for further details. A 18 x 8.5-10 Turf Tire A 26 x 12.0-12 Turf Tire A Engine Block heater For extremely cold weather starting A Rear Work Light High visibility for night work...

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