Kubota ZD1011 Operator's Manual
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Kubota ZD1011 Operator's Manual

Zero turn mower
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OPERATOR'S MANUAL
MODELS ZD1011
ZD1021
1BDABENAP0010
K3411-7121-2
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Summary of Contents for Kubota ZD1011

  • Page 1 OPERATOR'S MANUAL MODELS ZD1011 ZD1021 1BDABENAP0010 K3411-7121-2 READ AND SAVE THIS MANUAL...

  • Page 2: Universal Symbols

    ABBREVIATION LIST Abbreviations Definitions American Petroleum Institute Power Take Off RH/LH Right-hand and left-hand sides are determined by facing in the direction of forward travel ROPS Roll-Over Protective Structures Revolutions Per Minute Society of Automotive Engineers UNIVERSAL SYMBOLS As a guide to the operation of your machine, various universal symbols have been utilized on the instruments and controls.

  • Page 3: Safety First

    FOREWORD You are now the proud owner of a KUBOTA ZERO TURN MOWER. This machine is a product of KUBOTA's quality engineering and manufacturing. It is made of excellent materials and under a rigid quality control system. It will give you long, satisfactory service.

  • Page 4: Table Of Contents

    CONTENTS SAFE OPERATION .................... SERVICING OF MACHINE ..................1 SPECIFICATIONS....................... 3 IMPLEMENT LIMITATIONS ..................6 INSTRUMENT PANEL AND CONTROLS..............7 MOWER MOUNTING ....................9 MOUNTING THE MOWER DECK ................9 ADJUSTING THE MOWER ................... 10 DISMOUNTING THE MOWER DECK ..............10 OPERATING THE ENGINE..................
  • Page 5 CONTENTS FIXING FRONT AXLE.................... 26 OSCILLATING FRONT AXLE................26 PARKING ....................... 26 TRANSPORTING....................27 OPTION ......................... 27 OPERATING THE MOWER ..................28 MAKING THE MOST OF YOUR MOWER............. 28 ADJUSTING CUTTING HEIGHT ................28 OPERATING MOWER................... 30 PTO Lever ........................30 Starting ...........................
  • Page 6 CONTENTS Adjusting Fan Drive Belt Tension ................... 54 Adjusting Parking Brake ....................55 Greasing ......................... 56 Checking Battery Condition .................... 56 EVERY 150 HOURS ....................58 Changing Gear Box Oil....................58 EVERY 200 HOURS ....................58 Changing Engine Oil....................... 58 Replacing Engine Oil Filter .....................
  • Page 7 CONTENTS LEVEL MOWER DECK (Side-to-Side) ................72 LEVEL MOWER DECK (Front-to-Rear) ................. 73 GENERAL TORQUE SPECIFICATION ..............74 TIGHTENING TORQUE CHART ................75 STORAGE ......................... 76 MACHINE STORAGE .................... 76 REMOVING THE MACHINE FROM STORAGE............ 76 TROUBLESHOOTING....................77 ENGINE TROUBLESHOOTING ................77 BATTERY TROUBLESHOOTING .................
  • Page 8 Careful operation is your best insurance against an 4. The ROPS is an integral and effective safety device. KUBOTA recommends the use of a Roll Over accident. The owner/user can prevent and is responsible Protective Structures (ROPS) and seat belt in almost for accidents or injuries occurring to themselves, other all applications.
  • Page 9 Never operate with the discharge deflector raised, 18. Use only implements recommended by KUBOTA. Use removed or altered, unless using a grass catcher. proper ballast to front or rear of machine to reduce the risk of upsets.
  • Page 10 SAFE OPERATION 10. When using any attachments, never direct discharge a) Pull only from the hitch. Never attach loads to the axle material toward bystanders. Do not allow anyone and housing or any other point above hitch. pets near the attachments while in operation. b) Limit loads to those you can safely control.
  • Page 11 PTO-driven equipment. 3. Use the PTO with KUBOTA approved attachments. The speed of PTO: ZD1011 / ZD1021 Without mower: 2450 to 2550 rpm at (1) Fuel tank cap 3200 engine rpm 4. Use extra care in handling diesel fuels. They are flammable.
  • Page 12 SAFE OPERATION 5. Do not smoke when working around battery or when refueling. Extinguish all cigarettes, cigars, pipes, and other sources of ignition. Keep all sparks and flames away from battery and fuel tank. Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner.
  • Page 13 For your safety do not rely on hydraulically supported devices, they may leak down, suddenly drop or be accidently lowered. 27. See your local Recycling Center or KUBOTA Dealer to learn how to recycle or get rid of waste products.
  • Page 14 SAFE OPERATION A A Material Safety Data Sheet (MSDS) provides specific details on chemical products; physical and health hazards, safety procedures, and emergency response techniques. The seller of the chemical products used with your machine is responsible for providing the MSDS for that product upon request. C Storage 1.
  • Page 15 SAFE OPERATION 7. DANGER, WARNING AND CAUTION LABELS...
  • Page 16 SAFE OPERATION...
  • Page 17 SAFE OPERATION...
  • Page 18 SAFE OPERATION...
  • Page 19 2. Clean danger, warning and caution labels with soap and water, and 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 20: Safe Operation

    When in need of parts or major service, be sure to see your KUBOTA Dealer with the machine, engine and mower serial numbers. Locate the serial numbers now and record them in the space provided.
  • Page 21 SERVICING OF MACHINE (1) Mower identification plate (2) Mower serial No. (1) Mower identification plate (2) Mower serial No. (1) ROPS serial No.

  • Page 22: Specifications

    SPECIFICATIONS SPECIFICATIONS Model ZD1011 ZD1021 Model D782-E4 D902-E4 Max. engine power (Gross) kW (HP) 14.4 (19.3) (*1)(*2) 16.1 (21.6) (*1)(*2) Type Indirect injection, Liquid-cooled Number of cylinders 67 x 73.6 72 x 73.6 Bore and stroke mm (in.) (2.64 x 2.90) (2.83 x 2.90)
  • Page 23 (in.) 0 (0) 1 speed Revolution (2530 rpm at 3200 engine rpm) Drive system Shaft drive, KUBOTA 10 tooth involute spline Clutch type Wet multi disks PTO brake Wet single disk (Specifications and design subject to change without notice)
  • Page 24 SPECIFICATIONS Model RCK48P-1000Z RCK54P-1000Z RCK60P-1000Z Suitable machine ZD1011 ZD1021 Mounting method Quick joint, Parallel linkage Adjustment of cutting height Dial gauge Cutting width mm (in.) 1225 (48) 1375 (54) 1524 (60) Cutting height mm (in.) 25 to 127 (1.0 to 5.0) Weight (Approx.)

  • Page 25: Implement Limitations

    IMPLEMENT LIMITATIONS IMPLEMENT LIMITATIONS The KUBOTA Machine has been thoroughly tested for proper performance with implements sold or approved by KUBOTA. Use with implements below may result in malfunctions or failures of the machine, damage to other property and injury to the operator or others.

  • Page 26: Instrument Panel And Controls

    INSTRUMENT PANEL AND CONTROLS INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS ILLUSTRATED CONTENTS Parking brake pedal......11, 22 (10) Cutting height control dial..... Parking brake lock pedal...... 11, 22 (11) Key switch..........Lift lock lever........(12) Easy Checker (TM)......Motion control lever......11, 23 (13) Hour meter...........

  • Page 27: Illustrated Contents

    INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS ILLUSTRATED CONTENTS (1) Anti-scalp roller (Front)......28 (1) Anti-scalp roller (Front)......28 (2) Anti-scalp roller (Rear)......(2) Anti-scalp roller (Rear)......ILLUSTRATED CONTENTS (1) Anti-scalp roller (Front)......28 (2) Anti-scalp roller (Rear)......

  • Page 28: Mower Mounting

    MOWER MOUNTING MOWER MOUNTING MOUNTING THE MOWER DECK A RCK60P only: For easy installation, set the anti scalp roller as shown below. To avoid serious injury or death: A Park the machine on a firm and level surface. A Apply the parking brake. A Stop the engine and remove the key.

  • Page 29: Adjusting The Mower

    MOWER MOUNTING A Tug the universal joint backward and forward to make sure it is locked securely. (1) Universal joint (A) "PULL" (2) Coupler 9. After mounting the mower, check the mower level. If necessary, adjust the mower level and anti-scalp rollers.

  • Page 30: Operating The Engine

    OPERATING THE ENGINE OPERATING THE ENGINE STARTING THE ENGINE To avoid serious injury or death: 1. Sit on the operator's seat. A Read and understand "SAFE OPERATION" in Put on the seat belt. the front of this manual. A Read and understand the danger and warning 2.
  • Page 31 OPERATING THE ENGINE 3. Make sure that the PTO lever is in the 5. Release the hydraulic lift control pedal "DISENGAGED" (OFF) position. to the "DOWN" position. (1) PTO lever "ENGAGED" (ON) (1) Hydraulic lift control pedal "DOWN": Release the pedal "DISENGAGED"...

  • Page 32: Key Switch

    OPERATING THE ENGINE BKey Switch A Because of the engine start system, the engine may not be started except when the PTO clutch is "DISENGAGED" (OFF), the parking brake lock pedal is applied, motion control levers are in "NEUTRAL LOCK" position and the operator is sitting in the seat. (1) Glow plug indicator A Glow plug indicator (1) comes on while the engine is being preheated.

  • Page 33: Stopping The Engine

    Then open the hood and pull engine stop lever (Red mark) and hold it until the engine stops. Then contact your local KUBOTA Dealer immediately. To avoid serious injury or death: A Do not operate the machine until the engine stop system is repaired.

  • Page 34: Fuel Gauge

    OPERATING THE ENGINE BFuel Gauge Be careful not to empty the fuel tank. Otherwise air may enter the fuel system. If this should happen, the fuel system must be bled. (See "SERVICE REQUIRED" "MAINTENANCE" section.) (1) Coolant temperature gauge BHour Meter This meter gives readings for the hours the machine has been operated for.

  • Page 35: Warming Up

    A If noises are heard after the hydraulic control lever has been activated and the implement is lifting, the hydraulic mechanism is not adjusted properly. Unless corrected, the unit will be damaged. Contact your local KUBOTA Dealer for adjustment. (1) Dead battery Connect cables in numerical order. (2) Jumper cables...
  • Page 36 OPERATING THE ENGINE A Use of a higher voltage source on a machine could result in severe damage to the machine electrical system. Use only matching voltage source when "jump- starting" a low or dead battery condition.

  • Page 37: Operating The Machine

    OPERATING THE MACHINE OPERATING THE MACHINE OPERATING NEW MACHINE How a new machine is operated and maintained To avoid serious injury or death: determines the life of the machine. A The machine relies upon the engine driven A new machine just off the factory production line has transmission for speed, direction and steering been, of course, tested, but the various parts are not control.

  • Page 38: Operating Foldable Rops

    OPERATING THE MACHINE OPERATING FOLDABLE ROPS 3. Fold the ROPS. To avoid personal injury: To avoid serious injury or death: A Hold the ROPS tightly with both hands and fold A Always use the seat belt when the ROPS is the ROPS slowly and carefully.

  • Page 39: To Raise The Rops To Upright Position

    OPERATING THE MACHINE BTo Raise the ROPS to Upright Position BAdjustment of Foldable ROPS 1. Remove both snap pins and lock pins. A Adjust free fall of the ROPS upper frame regularly. A If you feel less friction when folding the ROPS, tighten the nut (1) until you feel the right friction in the movement and then replace the cotter pin.

  • Page 40: Starting

    OPERATING THE MACHINE STARTING To avoid serious injury or death: 1. Adjust the operator's position and A Use extra caution when unlocking the travel apply the seat belt. adjust lever because the seat might slide forward by itself. BOperator's Seat C Travel adjustment Unlock the travel adjust lever and slide the seat backward or forward, as required.

  • Page 41: Hydraulic Lift Control Pedal

    A If noises are heard when implement is lifting after the hydraulic lift control pedal has been activated, the hydraulic mechanism is not adjusted properly. Contact your local KUBOTA Dealer for adjustment. A Do not depress the hydraulic lift control pedal continuously while operating the machine.

  • Page 42: Motion Control Lever

    OPERATING THE MACHINE Operating position 6. Operate the machine. Machine speed and steering is controlled by the motion control levers, when the engine is running and the parking BMotion Control Lever brake is released. To avoid serious injury or death: To avoid serious injury or death: A Understand how to use the motion control A No control is provided by the motion control...
  • Page 43 If adjustment is required, see "ADJUSTMENT" same time. For travel forward in a straight line. section. We recommend you to contact your local KUBOTA Dealer. C Re-start on the slopes To avoid serious injury or death: A Do not stop or change directions on the slopes.

  • Page 44: Stopping

    OPERATING THE MACHINE STOPPING GENERAL RIGHT TURN: A Push left motion control lever further forward than the right motion control lever. For forward travel to the right. To avoid serious injury or death: A Park the machine on level ground. If necessary to park on an incline, (1) Stop the machine, (2) Apply the parking brake, then...

  • Page 45: Fixing Front Axle

    OPERATING THE MACHINE FIXING FRONT AXLE OSCILLATING FRONT AXLE For oscillating the front axle, reverse the above procedures. The oscillating front axle provides a smoother ride than To avoid serious injury or death: the rigid front axle and oscillates with the terrain. A Park the machine on a firm and level surface.

  • Page 46: Transporting

    OPERATING THE MACHINE TRANSPORTING 2. Do not attempt to tow this machine, or damage to the transmission may result. 3. During the long distance transporting, make sure to lift 1. Transport the machine on a suitable trailer. the mower by the hydraulic lift control pedal and move A To prevent the hood from opening by wind while in the lift lock lever in the "TRANSPORT LOCK"...

  • Page 47: Operating The Mower

    OPERATING THE MOWER OPERATING THE MOWER MAKING THE MOST OF YOUR MOWER 5. For best appearance, grass must be cut in the afternoon or evening when it is free of moisture. ADJUSTING CUTTING HEIGHT To avoid serious injury or death: A Clear the work area of objects which might be picked up and thrown by blades.

  • Page 48: Hydraulic Lift Control Pedal

    OPERATING THE MOWER 3. Use the higher settings for mowing in a rough area or when mowing tall grass. Lower settings must be used only for smooth lawns where short grass is desired. (1) Anti-scalp roller (Front) (2) Anti-scalp roller (Rear) (1) Cutting height control dial (2) Hydraulic lift control pedal 4.

  • Page 49: Operating Mower

    OPERATING THE MOWER OPERATING MOWER Reference A Set the position for a recommended ground clearance of 19 mm (3/4 in.). (Figure shows a setting position of cutting height 2.0" To avoid serious injury or death: or 2.25") A Do not operate the mower without the discharge deflector being in place properly.

  • Page 50: Starting

    OPERATING THE MOWER BStarting To avoid serious injury or death: A Engine components can get extremely hot from operation. To prevent severe burns, do not touch these areas while the engine is running, or immediately after it is turned off. Never operate the engine without heat shields or guards.

  • Page 51: Tires And Wheels

    Inflation Max. Pressure 172 kPa 13 x 5.0 - 6 Front (1.75 kgf/cm , Smooth pneumatic 24.9 psi) ZD1011 83 kPa 24 x 9.5 - 14 Rear (0.84 kgf/cm , Low profile type 12.0 psi) Wheels with beveled or tapered holes: 172 kPa 13 x 6.5 - 6...

  • Page 52: Remove And Install Front Caster Wheels

    TIRES AND WHEELS BRemove and Install Front Caster Wheels C Removing 1. Park the machine on a firm and level surface. 2. Stop the engine and apply parking brake. 3. Lift the front of machine with a safe lifting device. 4.

  • Page 53: Periodic Service

    PERIODIC SERVICE PERIODIC SERVICE HOW TO OPEN THE HOOD, FRONT BFront Cover COVER & STEP To open the front cover, pull the bottom edge of the front cover. To avoid serious injury or death from contact with moving parts: A Never open the hood while the engine is running.

  • Page 54: How To Raise The Operator's Seat

    PERIODIC SERVICE HOW TO RAISE THE OPERATOR'S SEAT C Lower C Raise To avoid serious injury or death: A Do not drop the seat to close it. A Watch your hands. Do not place your hands To avoid serious injury or death: under the seat, when closing.

  • Page 55: How To Open The Lever Guide

    PERIODIC SERVICE HOW TO OPEN THE LEVER GUIDE LIFT-UP POINT To avoid serious injury or death: To avoid serious injury, death or machine damage: A Park the machine on a firm and level surface. A Do not work under the machine unless it is A Stop the engine, remove the key and apply the secured by safe stands or suitable blocking.

  • Page 56: Rear Side

    PERIODIC SERVICE DAILY CHECK BRear side: To prevent trouble from occurring, it is important to know Lift the rear frame with nylon slings. Or jack up the bottom the condition of the machine. Check it before starting. plate. (See the following figure.) To avoid serious injury or death: A When you use nylon slings or a jack, make sure to A Be sure to check and service the machine on a...
  • Page 57 Safety start switch, seat safety control and other safety devices. Starting the If either of these do not engine operate properly, contact your local KUBOTA Dealer immediately. Check for abnormal noise and vibration. Check the areas where Others previous trouble was...

  • Page 58: Lubricants, Fuel And Coolant

    Note *1 Oil amount when the oil level is at the upper level of the oil level gauge. *2 The product name of KUBOTA genuine UDT fluid may be different from that in the Operator's Manual depending on countries or territories. Consult your local KUBOTA Dealer for further detail.
  • Page 59 ZD1011, ZD1021 C Transmission Oil: KUBOTA Super UDT-2: For an enhanced ownership experience, we highly recommend Super UDT-2 to be used instead of standard hydraulic/transmission fluid. Super UDT-2 is a proprietary KUBOTA formulation that deliveries superior performance and protection in all operating conditions.

  • Page 60: Checking Engine Oil Level

    PERIODIC SERVICE BChecking Engine Oil Level BChecking Amount of Fuel and Refueling To avoid serious injury or death: A Always stop the engine and remove the key To avoid serious injury or death: before checking oil. A Handle fuel carefully. If the engine is running, do not fill the fuel tank.

  • Page 61: Checking Transmission Fluid Level

    A If the radiator cap has to be removed, follow the caution above and securely retighten the cap. A Use clean, distilled water and anti-freeze to fill the radiator and the recovery tank. A If water should leak, consult your local KUBOTA Dealer.

  • Page 62: Checking And Cleaning Radiator Screen And Hood Screen

    PERIODIC SERVICE BChecking and Cleaning Radiator Screen and Hood Screen To avoid serious injury or death: A Engine components can get extremely hot from operation. To prevent severe burns, do not touch these areas while the engine is running, or immediately after it is turned off. Never operate the engine without heat shields or guards.

  • Page 63: Checking Tire Pressure

    Inflation Max. Pressure 172 kPa 13 x 5.0 - 6 Front (1.75 kgf/cm , Smooth pneumatic 24.9 psi) ZD1011 83 kPa 24 x 9.5 - 14 Rear (0.84 kgf/cm , Low profile type 12.0 psi) 172 kPa 13 x 6.5 - 6 Front (1.75 kgf/cm ,...

  • Page 64: Lubricating All Grease Fittings

    PERIODIC SERVICE BLubricating All Grease Fittings To avoid serious injury or death: A Be sure to stop the engine and remove the key before greasing. Grease the following location. (1) Spindle shaft (2) Belt tension pulley (3) Belt tension pivot (1) Mower universal joint (1) Spindle shaft (2) Belt tension pulley...

  • Page 65: Maintenance

    MAINTENANCE MAINTENANCE SERVICE INTERVALS You must do the following servicing jobs on the machine at the stated running-time intervals. Indication hour meter (Hr) Ref. No. Items After Page since Engine start every Check system 50Hr every OPC system Check 50Hr every Check Mower gear...
  • Page 66 MAINTENANCE Indication hour meter (Hr) Ref. No. Items After Page since Transmission fluid and every Rear axle Change 400Hr gear case (RH & LH) fluid Transmission every Clean strainer 400Hr Fuel injection nozzle every Check injection 1500Hr pressure every 2000Hr Radiator Clean 2 years...

  • Page 67: Periodic Service Chart Label

    *8 The initial 100 hours should not be an adjustment cycle. *9 If you feel you are unable to make the following service correctly and safely, contact your local KUBOTA Dealer. A The items listed above (@ marked) are registered as emission related critical parts by KUBOTA in the U.S.EPA non-road emission regulation.

  • Page 68: Every 50 Hours

    A Sit on operator's seat for all tests except for A If the engine cranks Test 1 through 4, consult your Test 1. local KUBOTA Dealer to have the unit checked before operation. A Check the following tests before operating the Test 5 (OPERATOR ON THE SEAT) machine.

  • Page 69: Checking Opc System

    3. Shift the PTO lever to "ENGAGE" (ON) position. 4. Stand up. (Do not get off the machine.) 5. The engine must shut off. A If the engine remains running in Test 1 or 2, consult your local KUBOTA Dealer to have the unit checked before operation.

  • Page 70: Greasing

    MAINTENANCE BGreasing To avoid serious injury or death: A Be sure to stop the engine and remove the key before greasing. Grease the following locations. (1) King pin (LH, RH) (3) Front wheel (LH, RH) (2) Center pin (1) Machine universal joint (1) Seat adjuster...

  • Page 71: Oiling

    MAINTENANCE BOiling (1) Throttle cable (oil) (1) Front lift arm (LH, RH) (1) Lift control cable (oil) (1) Throttle cable (oil)

  • Page 72: Every 100 Hours

    MAINTENANCE EVERY 100 HOURS C Evacuator Valve Open the evacuator valve once a week under ordinary BCleaning Air Cleaner Primary Element conditions - or daily when used in a dusty place - to get rid of large particles of dust and dirt. BChecking Fuel Filter To avoid serious injury or death: A Be sure to stop engine and remove the key...

  • Page 73: Adjusting Fan Drive Belt Tension

    MAINTENANCE BAdjusting Fan Drive Belt Tension To avoid serious injury or death: A Be sure to stop the engine and remove the key before checking belt tension. If the fan drive belt becomes loose, the engine may overheat. To adjust, loosen bolts and move the alternator outward to tighten the belt.

  • Page 74: Adjusting Parking Brake

    7. Hold the brake rod lightly. BAdjusting Parking Brake 8. Check the brake spring play. If you feel you are unable to make the following service correctly and safely, contact your local KUBOTA Dealer. (B): Proper brake Reference: 0.5 to 1.0 mm spring play (0.02 to 0.04 in.)

  • Page 75: Greasing

    MAINTENANCE 4. Check that the machine does not move. BChecking Battery Condition To avoid the possibility of battery explosion: refillable type battery, follow instructions below. A Do not use or charge the refillable type battery if the fluid level is below the LOWER (lower limit level) mark.
  • Page 76 MAINTENANCE A Mishandling the battery shortens the service life and adds to maintenance costs. To avoid serious injury or death: The original battery is maintenance free, but needs A When disconnecting the cable from the battery, some servicing. start with the negative terminal first. When If the battery is weak, the engine will be difficult to start connecting the cable to the battery, start with and the lights will be dim.

  • Page 77: Every 150 Hours

    MAINTENANCE EVERY 150 HOURS EVERY 200 HOURS BChanging Gear Box Oil BChanging Engine Oil To avoid serious injury or death: To avoid serious injury or death: A Be sure to stop the engine and remove the key A Be sure to stop the engine and remove the key before changing the oil.

  • Page 78: Replacing Engine Oil Filter

    Use only a genuine KUBOTA filter or its equivalent. (1) Transmission oil filter [HST] (1) Transmission oil filter [HST] (1) Engine oil filter 2. Place an oil pan underneath the oil filter. (Do not drain oil.)

  • Page 79: Adjusting Front Axle Pivot

    MAINTENANCE EVERY 400 HOURS BAdjusting Front Axle Pivot If the front axle pivot pin adjustment is not correct, BChanging Transmission Fluid and Rear vibration in the front wheel can occur. Axle Gear Case Oil (RH and LH) C Check and Adjustment of the Front Axle End Play 1.

  • Page 80: Cleaning Transmission Strainer

    A Since the fine filings in the oil can damage the precision component parts of the hydraulic system, the end of the suction line is provided with an oil strainer. BReplacing Fuel Filter Consult your local KUBOTA Dealer for this service.

  • Page 81: Every 1000 Hours Or Every 1 Year

    3. After all coolant is drained, close the drain valve and Pressure) install the drain plug. Consult your local KUBOTA Dealer for this service. 4. Fill with clean water and cooling system cleaner. 5. Follow directions of the cleaner instruction.

  • Page 82: Anti-Freeze

    Always use a 50/50 mix of long-life coolant and clean soft water in KUBOTA engines. Consult your local KUBOTA dealer concerning coolant for extreme conditions. 1. Long-life coolant (hereafter LLC) comes in several types. Use ethylene glycol (EG) type for this engine.

  • Page 83: Every 3000 Hours

    If mixed with the cleaning agent, sludge may build up, adversely affecting the engine parts. 7. Kubota's genuine long-life coolant has a service life of 2 years. Be sure to change the coolant every 2000 hours or every 2 years whichever comes faster.

  • Page 84: Checking Hydraulic Hose

    If you feel you are unable to make the following service If you feel you are unable to make the following service correctly and safely, contact your local KUBOTA Dealer. correctly and safely, contact your local KUBOTA Dealer. 1. Check to see that hoses and hose clamps are tight and not damaged.

  • Page 85: Every 4 Years

    MAINTENANCE EVERY 4 YEARS BReplacing Hydraulic Hose Consult your local KUBOTA Dealer for this service. BReplacing Fuel Lines Consult your local KUBOTA Dealer for this service. BReplacing Engine Breather Hose Consult your local KUBOTA Dealer for this service. BReplacing Radiator Hose If you feel you are unable to make the following service correctly and safely, contact your local KUBOTA Dealer.

  • Page 86: Checking And Replacing Blade

    MAINTENANCE BChecking and Replacing Blade To avoid serious injury or death: A Be sure to stop the engine and remove the key. A Blades may be sharp. When you handle blades, wear heavy gloves or wrap end of blade with a rag.

  • Page 87: Replacing Mower Belt

    MAINTENANCE [RCK48P, RCK54P] BReplacing Mower Belt 1. Remove the mower deck from the machine according to the procedure "DISMOUNTING THE MOWER DECK". 2. Remove the left and right hand shield from the mower deck. 3. Clean around the gear box. 4.

  • Page 88: Adjustment

    5. After forward and backward operation, tighten the guide control at the position when wheel axis stops. BMAXIMUM SPEED (FORWARD) 6. Adjust the rod length L of the damper 28 to 30 mm (1.1 to 1.2 in.) and tighten. Consult your local KUBOTA Dealer for this service.

  • Page 89: Motion Control Lever Operating Force

    ADJUSTMENT BMOTION CONTROL LEVER OPERATING BMOTION CONTROL LEVER ALIGNMENT FORCE C Check the alignment Check the gap and space between the levers, at the The operating force of the motion control levers can be maximum forward position. adjusted to one of 3 levels depending on operator preference.

  • Page 90: Mower Deck Level

    ADJUSTMENT Front side anti-scalp roller 6. Adjust the height of the front side anti-scalp roller to one of three positions to approximately 19 mm (3/4 in.) between rollers and the ground. Adjust both side rollers to the same height. (1) Motion control lever (2) Nut, washer (3) Bolt Lever alignment (Right and Left)

  • Page 91: Level Mower Deck (Side-To-Side)

    ADJUSTMENT BLEVEL MOWER DECK (Side-to-Side) To avoid serious injury or death: A Park the machine on a firm and level surface. A Apply the parking brake. A Disengage PTO (OFF). A Stop the engine, remove the key and remove the mower u-joint while checking or adjusting the level of the mower deck.

  • Page 92: Level Mower Deck (Front-To-Rear)

    ADJUSTMENT Less than 6 mm (0.24 in.) BLEVEL MOWER DECK (Front-to-Rear) Front-to-Rear Front side must be lower adjustment than Rear side. To avoid serious injury or death: C Adjusting level (Front-to-Rear) A Park the machine on a firm and level surface. 1.

  • Page 93: General Torque Specification

    ADJUSTMENT GENERAL TORQUE SPECIFICATION American standard cap screws Metric cap screws with UNC or UNF threads GR.5 GR.8 Class 8.8 Class 10.9 SAE grade No. Property class (lbf-ft) 17 - 20.5 24 - 29 (lbf-ft) 7.2 - 8.3 5/16 (N-m) 23.1 - 27.8 32.5 - 39.3 (N-m)

  • Page 94: Tightening Torque Chart

    ADJUSTMENT TIGHTENING TORQUE CHART Thread Hexa-Bolt size Head size lbf-ft kgf-m d (mm) B (mm) 17.5 - 20.3 23.5 - 27.5 2.4 - 2.8 12 or 13 (18.9 1.4) (25.5 2.0) (2.6 0.2) 35.4 - 41.2 48.1 - 55.9 4.9 - 5.7 14 or 17 (38.3 2.9)

  • Page 95: Storage

    STORAGE STORAGE 8. Store the machine indoors in a dry area that is protected from sunlight and excessive heat. If the machine must be stored outdoors, cover it with a To avoid serious injury or death: waterproof tarpaulin. A Do not clean the machine with engine running. 9.

  • Page 96: Troubleshooting

    A Loose or damaged fan belt. A Adjust or replace fan belt. A Dirty radiator core grille A Remove all trash. screens. A Coolant flow route corroded. A Flush cooling system. If you have any questions, contact your local KUBOTA Dealer.

  • Page 97: Battery Troubleshooting

    A Charging system A Contact your local trouble. KUBOTA Dealer. If you have any questions, contact your local KUBOTA Dealer. MACHINE TROUBLESHOOTING Trouble Cause Countermeasure A Hydrostatic transmission fluid is A Fill oil. Machine operation is not smooth.

  • Page 98: Mower Troubleshooting

    TROUBLESHOOTING If you have any questions, contact your local KUBOTA Dealer. MOWER TROUBLESHOOTING Trouble Cause Countermeasure Blade does not rotate. A PTO system is not normal: A Consult your KUBOTA Dealer. PTO system malfunctioning. A PTO system is normal: A Replace mower belt.
  • Page 99 A Ground speed too fast. A Slow down. A Debris wrapped around mower spindles. A Clean mower. A Front of deck too low. A Adjust mower deck. (See "MOWER DECK LEVEL" "ADJUSTMENT" section.) If you have any questions, contact your local KUBOTA Dealer.

  • Page 100: Index

    INDEX INDEX Adjustment of Foldable ROPS .......20 Intake Air Line..........66 Air Cleaner Primary Element......53 Key Switch ............. 13 Air Cleaner Primary Element and Secondary LEVEL MOWER DECK (Front-to-Rear) ..73 Element ............62 LEVEL MOWER DECK (Side-to-Side) ..72 Amount of Fuel and Refueling......41 Lubricating All Grease Fittings.......

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