Kubota zd 331 Manual
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Kubota zd 331 Manual

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CONTENTS
SAFE OPERATION ................................................................................................. 1
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....................................................................................... 11
MOUNT AND DISMOUNT MACHINE SAFELY..................................................... 11
STARTING THE ENGINE ...................................................................................... 11
Key Switch ...................................................................................................................... 13
CHECK DURING OPERATING ............................................................................. 14
Immediately Stop the Engine if: ...................................................................................... 14
Easy Checker (TM)......................................................................................................... 14
Fuel Valve, Fuel Gauge and Warning Lamp................................................................... 14
Coolant Temperature Gauge .......................................................................................... 15
Hour Meter...................................................................................................................... 16
COLD WEATHER STARTING ............................................................................... 16
BLOCK HEATER (OPTION) .................................................................................. 16
WARMING UP ....................................................................................................... 16
Warm-up and Transmission Oil in the Low Temperature Range.................................... 16
JUMP STARTING .................................................................................................. 17
STOPPING THE ENGINE...................................................................................... 18
Engine Stop Lever (Inside the Hood).............................................................................. 18
OPERATING THE MACHINE.................................................................................... 19
OPERATING NEW MACHINE ............................................................................... 19
Changing Lubricating Oil for New Machines................................................................... 19
Engine Break-in .............................................................................................................. 19
Machine Break-in............................................................................................................ 19
OPERATING FOLDABLE ROPS ........................................................................... 20
To Fold the ROPS .......................................................................................................... 20
To Raise the ROPS to Upright Position.......................................................................... 21
Adjustment of Foldable ROPS........................................................................................ 21
STARTING ............................................................................................................. 22
Operator's Seat............................................................................................................... 22
Seat Belt ......................................................................................................................... 23
Hydraulic Lift Control Pedal ............................................................................................ 23
Throttle Lever.................................................................................................................. 23
Parking Brake Pedal ....................................................................................................... 24
Motion Control Lever ...................................................................................................... 24
FIXING FRONT AXLE............................................................................................ 27

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Summary of Contents for Kubota zd 331

  • Page 1: Table Of Contents

    CONTENTS SAFE OPERATION ....................1 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 2 CONTENTS OSCILLATING FRONT AXLE................27 WORK LIGHT (OPTIONAL KIT) ................27 STOPPING......................27 PARKING ....................... 28 TRANSPORTING....................28 OPERATING THE MOWER ..................29 MAKING THE MOST OF YOUR MOWER............. 29 ADJUSTING CUTTING HEIGHT ................29 OPERATING MOWER................... 32 PTO Lever ........................32 Starting ...........................
  • Page 3 CONTENTS Adjusting Fan Drive Belt Tension ................... 54 Adjusting Parking Brake ....................54 Battery Condition ......................56 EVERY 150 HOURS ....................57 Changing Gear Box Oil....................57 EVERY 200 HOURS ....................58 Changing Engine Oil....................... 58 Replacing Engine Oil Filter Cartridge ................58 Checking Radiator Hose and Clamp ................
  • Page 4 CONTENTS MACHINE STORAGE .................... 78 REMOVING THE MACHINE FROM STORAGE............ 78 TROUBLESHOOTING....................79 ENGINE TROUBLESHOOTING ................79 BATTERY TROUBLESHOOTING ................. 80 MACHINE TROUBLESHOOTING ................. 80 MOWER TROUBLESHOOTING................81...
  • Page 5 4. KUBOTA recommends the use of a Roll Over etc. As appropriate or required. Protective Structures (ROPS) and seat belt in almost 8.
  • Page 6 10. When using any attachments, never direct discharge result in personal injury. material toward bystanders. Do not allow anyone near 18. Use only implements recommended by KUBOTA. Use the attachments while in operation. proper ballast to front or rear of machine to reduce the...
  • Page 7 1. To avoid tip over, operate across the slopes not up and cleaning, or servicing any PTO-driven equipment. down. Stay off hills and slopes too steep for safe 3. Use the PTO with KUBOTA approved attachments. operation. The speed of PTO: 2.
  • Page 8 SAFE OPERATION 9. Keep first aid kit and fire extinguisher handy at all times. 6. SERVICING AND STORAGE 10. Do not remove the radiator cap while coolant is hot. When cool, slowly rotate cap to the first stop and allow C Servicing sufficient time for excess pressure to escape before 1.
  • Page 9 For your safety do not rely or 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 10 SAFE OPERATION 7. DANGER, WARNING AND CAUTION LABELS...
  • Page 11 SAFE OPERATION...
  • Page 12 SAFE OPERATION...
  • Page 13 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 15: Safe Operation

    When in need of parts or major service, be sure to see your KUBOTA Dealer. When in need of parts, be prepared to give your dealer the machine, engine and mower serial numbers.
  • Page 16 SERVICING OF MACHINE (1) Mower identification plate (2) Mower serial No. (1) ROPS serial No.

  • Page 17: Specifications

    SPECIFICATIONS SPECIFICATIONS Model ZD321N ZD321 ZD326S ZD326P ZD331P ZD331LP Model D782-E3-ZD D1005-E3-ZD-2 D1305-E3-ZD Max. engine power kW (HP) 15.7 (21) (*1) 19.4 (26) (*1) 23.1 (31) (*1) (Gross) Type Liquid-cooled Number of cylinders 67 x 73.6 76 x 73.6 78 x 88.0 Bore and stroke mm (in.) (2.64 x 2.80)
  • Page 18 1 speed Revolution (2530 rpm at 3200 engine rpm) (2538 rpm at 3000 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 19 SPECIFICATIONS Model RCK54P-321Z RCK60P-331Z RCK72P-331Z ZD321, ZD326S, Suitable machine ZD321N ZD331LP ZD326P, ZD331P Mounting method Quick joint, Parallel linkage Adjustment of cutting height Dial gauge Cutting width mm (in.) 1375 (54) 1524 (60.0) 1829 (72.0) Cutting height mm (in.) 25 to 127 (1.0 to 5.0) Weight (Approx.) kg (lbs.) 128 (281)

  • Page 20: 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 Machine may result in malfunctions or failures of the machine, damage to other property and injury to the operator or others. [Any malfunctions or failures of the machine resulting from use with improper implements are not covered by the warranty.]...

  • Page 21: Instrument Panel And Controls

    INSTRUMENT PANEL AND CONTROLS INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS ILLUSTRATED CONTENTS Parking brake pedal......11, 24 Coolant temperature gauge....Parking brake lock pedal...... 11, 24 (10) Fuel gauge (LH tank only)..... Motion control lever......11, 24 (11) Key switch..........Cup holder..........
  • Page 22 INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS (1) Anti-scalp roller (Front, swivel type)..29 (2) Anti-scalp roller (Front)......29 (3) Anti-scalp roller (Rear)......

  • Page 23: Mower Mounting

    MOWER MOUNTING MOWER MOUNTING MOUNTING THE MOWER DECK A For easy installation set the anti scalp roller as shown below. 54" mower: Four places To avoid personal injury: 60", 72" mower: Two places rear A Park the machine on a firm and level surface. A Apply the parking brake.

  • Page 24: Adjusting The Mower

    MOWER MOUNTING ADJUSTING THE MOWER See "OPERATING THE MOWER" section. DISMOUNTING THE MOWER DECK For dismounting the mower deck, reverse the above procedures. (1) Universal joint (A) "PULL" (2) Coupler 10. After mounting the mower, check the mower level. If necessary, adjust the mower level and anti-scalp rollers.

  • Page 25: Operating The Engine

    OPERATING THE ENGINE OPERATING THE ENGINE STARTING THE ENGINE To avoid personal injury: 1. Sit on the operator's seat. A Read "SAFE OPERATION" in the front of this manual. 2. Apply the parking brake. A Read the danger, warning and caution labels located on the machine.
  • Page 26 OPERATING THE ENGINE 3. Make sure that the PTO lever is in the 5. Set the throttle lever 1/2 way forward. "DISENGAGED" (OFF) position. (1) Throttle lever "FAST" "SLOW" (1) PTO lever "ENGAGED" (ON) "DISENGAGED" (OFF) 6. Insert the key into the key switch and 4.

  • Page 27: Key Switch

    OPERATING THE ENGINE BKey Switch OFF.... The position where the key can be inserted into or removed from the key switch. [When the key is turned this position, the engine shuts off.] ON....The engine keeps running. PREHEAT... The super glow plug is heated. START..

  • Page 28: Check During Operating

    If this should happen during operation, check the electrical charging system or consult your local (1) Fuel gauge (E) "EMPTY" KUBOTA Dealer. for LH tank (Secondary tank) (F) "FULL" (2) Fuel level warning lamp Fuel level [RH tank (primary tank) only]...

  • Page 29: Coolant Temperature Gauge

    OPERATING THE ENGINE 5. After switching to the LH tank, if the fuel gauge indicates "E", the fuel in the LH tank (secondary tank) BCoolant Temperature Gauge is empty (less than 3.4 L (0.9 U.S gals.) in the LH tank). Refuel as soon as possible. (See "Checking Amount of Fuel and Refueling"...

  • Page 30: Hour Meter

    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.

  • Page 31: Jump Starting

    OPERATING THE ENGINE JUMP STARTING A This machine has a 12 volt negative (-) ground starting system. A Use only same voltage for jump starting. To avoid personal injury: A Use of a higher voltage source on a machine could A Battery gases can explode.

  • Page 32: Stopping The Engine

    Then open the hood and pull engine stop lever 5. Turn the fuel valve to the "OFF" position. (Red mark) and hold it until the engine stops. Then contact your local KUBOTA Dealer immediately. To avoid personal injury: A Do not operate the machine until the engine stop system is repaired.

  • Page 33: Operating The Machine

    OPERATING THE MACHINE OPERATING THE MACHINE OPERATING NEW MACHINE How a new machine is operated and maintained To avoid personal injury: 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 34: Operating Foldable Rops

    A Before proceeding to fold the ROPS, check for any possible interference with installed implements and attachments. if interference occurs, contact your KUBOTA Dealer. BTo Fold the ROPS 1. Unscrew the knob bolts 1 to 2 turns. 2. Remove both lock pins.

  • Page 35: To Raise The Rops To Upright Position

    OPERATING THE MACHINE BTo Raise the ROPS to Upright Position BAdjustment of Foldable ROPS 1. Remove both hair 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 36: Starting

    OPERATING THE MACHINE STARTING 1. Adjust the operator's position. BOperator's Seat To avoid personal injury: A Make adjustments to the seat only while the machine is stopped. A Make sure that the seat is completely secured after each adjustment. A Do not allow any person other than the driver to ride on the machine.

  • Page 37: Seat Belt

    ROPS. hydraulic mechanism is not adjusted properly. Contact your local KUBOTA Dealer for adjustment. Adjust the seat belt for proper fit and connect to the A Do not depress the hydraulic lift control pedal.

  • Page 38: Parking Brake Pedal

    OPERATING THE MACHINE 4. Unlock the parking brake. 5. Operate the machine. BParking Brake Pedal BMotion Control Lever To release the parking brake: Depress the brake pedal and release slowly with your right foot, without pressing the parking brake lock To avoid personal injury: pedal.
  • Page 39 A No control is provided by the motion control section. We recommend you to contact your local levers when the engine is off. KUBOTA Dealer. C Neutral position C Re-start on the slopes A Grasp the motion control levers and move them inward from the "NEUTRAL LOCK"...
  • Page 40 OPERATING THE MACHINE FORWARD: GENERAL RIGHT TURN: A Push both motion control levers forward equally at the A Push left motion control lever further forward than the same time. For travel forward in a straight line. right motion control lever. For forward travel to the right.

  • Page 41: Fixing Front Axle

    OPERATING THE MACHINE FIXING FRONT AXLE WORK LIGHT (OPTIONAL KIT) To avoid personal injury: A Park the machine on a firm and level surface. A Stop the engine, remove the key and engage the parking brake. A rigid front axle is recommended for a more even cut under mowing the rough terrain.

  • Page 42: Parking

    OPERATING THE MACHINE PARKING TRANSPORTING TO LOCK: 1. Transport the machine on a trailer. Depress the parking brake pedal firmly with your right A Turn the fuel valve to the "OFF" position. foot, and the parking brake lock pedal simultaneously A Fasten the machine to the trailer.

  • Page 43: Operating The Mower

    OPERATING THE MOWER OPERATING THE MOWER MAKING THE MOST OF YOUR MOWER 1. When using your mower for the first time, choose a smooth level area and cut in straight and slightly overlapping strips. 2. The size and type of the area to be mowed will determine the proper mowing pattern.
  • Page 44 OPERATING THE MOWER (1) Anti-scalp roller (Front, swivel type) (2) Anti-scalp roller (Rear) (1) Anti-scalp roller (Front, swivel type) (2) Anti-scalp roller (Rear) (1) Anti-scalp roller (Front) (2) Anti-scalp roller (Rear)
  • Page 45 OPERATING THE MOWER Reference A Set position for recommended ground clearance 19 mm (3/4 in.). (Figure shows setting position of cutting height 3") The number of collars under the Position of boss pins Cutting Ground height clearance 1.00" 6 mm 1.25"...

  • Page 46: Operating Mower

    OPERATING THE MOWER OPERATING MOWER BStarting To avoid serious injury or death: To avoid serious injury or death: A Do not operate the mower without the A Engine components can get extremely hot from discharge deflector being in place properly. operation.

  • Page 47: Tires And Wheels

    TIRES AND WHEELS TIRES AND WHEELS TIRES To avoid personal injury: A Do not attempt to mount a tire. This should be done by a qualified person with the proper equipment. A Always maintain the correct tire pressure. Do not inflate tires above the recommended pressure shown in the Operator's Manual.

  • Page 48: 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 49: Maintenance

    MAINTENANCE MAINTENANCE SERVICE INTERVALS The following servicing tasks should be carried out on the machine at the stated running-time intervals. Indication hour meter (Hr) Ref. No. Items After Page since every Engine oil Change 200Hr Engine oil every Replace filter 200Hr Transmission fluid and...
  • Page 50 *4 Replace only if necessary. A The items listed above (@ marked) are registered as emission related critical parts by KUBOTA in the U.S.EPA non-road emission regulation. As the engine owner, you are responsible for the performance of the required maintenance on the engine according to the above instruction.

  • Page 51: Periodic Service Chart Label

    MAINTENANCE PERIODIC SERVICE CHART LABEL (1) Part No. K3181-6552-3 (ENGLISH) (2) Part No. K3181-6553-3 (SPANISH)

  • Page 52: Lubricants

    Front anti scalp roller pivot boss Note * Oil amount when the oil level is at the upper level of the oil level gauge. A To prevent serious damage to hydraulic systems, use only KUBOTA genuine fluid or its equivalent.
  • Page 53 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 54: 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 personal injury from contact with moving parts: A Never open the hood while the engine is running.

  • Page 55: How To Raise The Operator's Seat

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

  • Page 56: How To Tilt Up The Machine

    PERIODIC SERVICE HOW TO TILT UP THE MACHINE 6. Insert L-pins to both sides of the front axle to position the front wheels. As shown below. To avoid personal injury or death: A Park the machine on a firm and level surface. A Set the mower deck height to 5 inch.

  • Page 57: How To Open The Lever Guide

    PERIODIC SERVICE HOW TO OPEN THE LEVER GUIDE C Return to the normal position. Reverse to the above procedure. A To ensure equal oscillation of the axle and prevent To avoid personal injury: loss of parts. A Park the machine on a firm and level surface. Be sure the clevis pin returns to the center position of A Stop the engine, remove the key and apply the the front axle arm slot.

  • Page 58: Lift-Up Point

    PERIODIC SERVICE LIFT-UP POINT DAILY CHECK To prevent trouble from occurring, it is important to know the condition of the machine. Check it before starting. To avoid personal injury, death or machine damage: A Do not work under the machine unless it is To avoid personal injury: secured by safe stands or suitable blocking.

  • Page 59: Checking Engine Oil Level

    4. Add new oil to the prescribed level at the oil port if Starting the If either of these do not necessary. engine operate properly, contact your local KUBOTA Dealer immediately. Check for abnormal noise and vibration. Check the areas where Others previous trouble was experienced.

  • Page 60: Checking Amount Of Fuel And Refueling

    PERIODIC SERVICE BChecking Amount of Fuel and Refueling Viscosity Sulf Copp Distillation Viscosity Ceta Kinematic Temperature saybolt, cSt or weig strip mm /s Corro 90% Point at 100 To avoid personal injury: at 40 sion A Handle fuel carefully. If the engine is running, do not fill the fuel tank.

  • Page 61: Checking Tire Pressure

    PERIODIC SERVICE BChecking Tire Pressure To avoid personal injury: A Do not attempt to mount a tire on a rim. This should be done by a qualified person with the proper equipment. A Always maintain the correct tire pressure. Inflation pressure in front tires rises quickly when using compressed air.

  • Page 62: 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 63: Lubricating All Grease Fittings

    A If the machine does not pass one of the following tests, do not operate the machine. See your local KUBOTA Dealer. A Sit on operator's seat for all tests except for Test 1. A Check the following tests before operating the machine.

  • Page 64: Checking Gear Box Oil Level

    4. Stand up. (Do not get off the machine.) 5. The engine must shut off. A If the engine cranks Test 1 through 4, consult your local KUBOTA Dealer to have the unit checked before operation. (1) Drain plug (Bolt)

  • Page 65: Greasing

    PERIODIC SERVICE BGreasing To avoid personal injury: A Be sure to stop the engine and remove the key before greasing. Grease the following location. (1) Motion control lever contact position (LH, RH) (1) King pin (LH, RH) (3) Front wheel (LH, RH) (2) Center pin (1) Motion control lever pivot bushing (LH, RH)

  • Page 66: Oiling

    PERIODIC SERVICE (1) Seat adjuster BOiling (1) Throttle cable (Oil) (1) Machine universal joint (1) Throttle cable (Oil)

  • Page 67: Every 100 Hours

    PERIODIC SERVICE EVERY 100 HOURS BChecking Fuel Lines and Fuel Filter BCleaning Air Cleaner Primary Element 1. Remove the air cleaner cover and primary element. 2. Clean the primary element: To avoid personal injury: A When dry dust adheres to the element, blow A Be sure to stop the engine and remove the key compressed air from the inside, turning the when attempting to make the following checks...

  • Page 68: Adjusting Fan Drive Belt Tension

    PERIODIC SERVICE BAdjusting Parking Brake To avoid personal injury: A Park the machine on a firm and level surface. A Stop the engine and chock the wheels before checking or adjusting. A Wrong adjustment may cause machine damage. Check brake spring 1.
  • Page 69 PERIODIC SERVICE (1) Brake rod (A) "Hold the brake rod" (A) 17 ramp (B) "Parking brake spring play" A For parking brake test purposes, only use 17 ramp. 8. If these dimensions are not correct, adjust them. C Adjustment of brake spring play 1.

  • Page 70: Battery Condition

    PERIODIC SERVICE C Battery Charging BBattery Condition To avoid serious injury or death: A When the battery is being activated, hydrogen To avoid the possibility of battery explosion: and oxygen gases in the battery are extremely refillable type battery, follow explosive.

  • Page 71: Every 150 Hours

    PERIODIC SERVICE EVERY 150 HOURS 6. When exchanging an old battery with new one, use a battery of equal specification shown in. BChanging Gear Box Oil Reserve Cold Volts Battery type capacity cranking (min) Amps To avoid personal injury: A Be sure to stop the engine and remove the key before changing the oil.

  • Page 72: Every 200 Hours

    Use only a genuine KUBOTA filter or its equivalent. (1) Drain plug (1) Engine oil filter cartridge (1) Drain plug 3. To check the oil level. Remove the dipstick, wipe it clean, insert it and draw it out again.

  • Page 73: Checking Radiator Hose And Clamp

    PERIODIC SERVICE BChecking Radiator Hose and Clamp BChecking Hydraulic Hose Check to see if radiator hoses are properly fixed every 200 hours of operation or six months, whichever comes first. 1. If hose clamps are loose or water leaks, tighten clamps To avoid personal injury: securely.

  • Page 74: Replacing Hst Transmission Oil Filter Cartridge

    PERIODIC SERVICE A To prevent serious damage or premature failure to the BReplacing HST Transmission Oil Filter hydraulic system, use only a KUBOTA genuine filter. Cartridge BAdjusting the Motion Control Lever Pivot To avoid personal injury: A Be sure to stop the engine and remove the key before changing the oil filter cartridge.

  • Page 75: Adjusting Front Axle Pivot

    PERIODIC SERVICE BAdjusting Front Axle Pivot BChecking Intake Air Line If the front axle pivot pin adjustment is not correct, 1. Check to see that hoses and hose clamps are tight and not damaged. vibration in the front wheel can occur. 2.

  • Page 76: Replacing Hydraulic Oil Filter Cartridge

    PERIODIC SERVICE A Operate only at low RPM's immediately after changing the transmission fluid and filter cartridge. Keep the engine at medium speed for a few minutes to insure proper lubrication of all parts so there is no damage to transmission. (1) Oil level dipstick (A) Oil level is acceptable (2) Oil plug and breather cup...

  • Page 77: Replacing Fuel Filter

    Check for oil leaks around filter gasket. A To prevent serious damage or premature failure to the hydraulic system, use only a KUBOTA genuine filter. BReplacing Fuel Filter Consult your local KUBOTA Dealer for this service.

  • Page 78: Flush Cooling System And Changing Coolant

    PERIODIC SERVICE BFlush Cooling System and Changing Coolant To avoid personal injury: A Do not remove the radiator cap when the engine is hot. Then loosen cap slightly to the stop to relieve any excess pressure before removing cap completely. 1.

  • Page 79: Anti-Freeze

    A When draining fluids from the engine, place 7. Kubota's genuine long-life coolant has a service life of some container underneath the engine body. If 2 years. Be sure to change the coolant every 2 years.

  • Page 80: Every 2 Years

    PERIODIC SERVICE EVERY 2 YEARS SERVICE AS REQUIRED BReplacing Hydraulic Hose BReplacing Fuses Consult your local KUBOTA Dealer for this service. Replacement of the fuse 1. Raise the operator's seat. 2. Remove the blown fuse. BReplacing Fuel Lines 3. Place a new fuse of the same capacity in position.

  • Page 81: Checking And Replacing Blade

    PERIODIC SERVICE C Protected circuit BChecking and Replacing Blade CAPACITY FUSE NO. Protected circuit 20 A Engine stop To avoid personal injury: 15 A Charge system A Be sure to stop the engine and remove the key. A Blades may be sharp. When you handle blades, 15 A Main system wear heavy gloves or wrap end of blade with a...
  • Page 82 PERIODIC SERVICE (1) Block (A) "LOOSEN" 3. To sharpen the blades yourself, clamp the blade securely in a vise. (1) Spindle holder Use a large mill file and file along the original bevel (2) Blade until sharp. (3) 2-Cup washers 4.

  • Page 83: Mower Belt Replacement

    PERIODIC SERVICE BMower Belt Replacement 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. Remove the belt from the tension pulley. 5.

  • Page 84: Adjustment

    A Park the machine on a firm and level surface. adjustments correctly and safety, please A If it is necessary to run engine in an enclosed contact your local KUBOTA Dealer. area, use a gas tight exhaust pipe extension to remove the fumes.

  • Page 85: Motion Control Lever Neutral Position

    ADJUSTMENT BMOTION CONTROL LEVER NEUTRAL BMAXIMUM SPEED (FORWARD) POSITION Consult your local KUBOTA Dealer for this service. 1. Lift-up and secure with jack stands or blocking the rear of the machine frame. BMOTION CONTROL LEVER ALIGNMENT 2. Remove both rear wheels.

  • Page 86: Mower Deck Level

    ADJUSTMENT MOWER DECK LEVEL C Aligning the control levers Lever position (High or Low) BANTI-SCALP ROLLERS 1. Remove the nut and select the motion control lever position, high or low. 2. Tighten the nut. To avoid personal injury; A Park the machine on a firm and level surface. A Apply the parking brake.

  • Page 87: Level Mower Deck (Side-To-Side)

    ADJUSTMENT BLEVEL MOWER DECK (Side-to-Side) To avoid personal injury: 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 88: Level Mower Deck (Front-To-Rear)

    ADJUSTMENT BLEVEL MOWER DECK (Front-to-Rear) To avoid personal injury: A Park the machine on a firm and level surface. A Engage the parking brake. A Disengage PTO. A Stop the engine, remove the key and remove the mower u-joint while checking or adjusting the level of the mower deck.
  • Page 89 ADJUSTMENT C Adjusting level (Front-to-Rear) 1. Raise up the mower deck to the transport position. (Also the top end). 2. Turn the cutting height set dial to the 3 in. cutting height position. 3. Place 51 mm (2 in.) height wood blocks under each side of the mower deck.

  • Page 90: 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 (ft-lbs) 8 - 9.6 12 - 14.4 (ft-lbs) 7.2 - 8.3 (N-m) 10.7 - 12.9 16.1 - 19.3 (N-m) 9.81 - 11.3...

  • Page 91: Tightening Torque Chart

    ADJUSTMENT TIGHTENING TORQUE CHART Thread Hexa-Bolt No mark size Head size ft-lbs kgf-m ft-lbs kgf-m d (mm) B (mm) 13.0 - 15.2 17.8 - 20.6 1.9 - 2.1 17.5 - 20.3 23.5 - 27.5 2.4 - 2.8 12 or 13 (14.1 1.1) (19.2...

  • Page 92: Storage

    STORAGE STORAGE REMOVING THE MACHINE FROM STORAGE To avoid personal injury: 1. Check the tire air pressure and inflate the tires if they A Do not clean the machine with engine running. are low. A To avoid danger exhaust fume 2.

  • Page 93: Troubleshooting

    A Loose or defective 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 94: 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 Remedy A Hydrostatic transmission fluid A Replenish oil. Machine operation is not smooth.

  • Page 95: Mower Troubleshooting

    A Clean mower deck and pulleys. Excessive vibration. pulleys. A Damaged drive belt. A Replace drive belt. A Damaged pulleys. A Replace pulleys. A Pulleys out of alignment. A See your KUBOTA Dealer. A Blades out of balance. A Have blades balanced.
  • Page 96 A Ground speed too fast. A Slow down. A Debris wrapped around mower A Clean mower. spindles. A Front of deck lower than rear. A Adjust deck. (See "MOWER DECK" "ADJUSTMENT" section.) If you have any questions, contact your local KUBOTA Dealer.

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