Kubota GR1600-II Operator's Manual
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Kubota GR1600-II Operator's Manual

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PRINTED IN U.S.A.
IMPRIME AU U.S.A.
DRUCK : U.S.A.
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Code No.
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K1254-7121-3
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Code Nr.
II
OPERATORÕS MANUAL
KUBOTA RIDING MOWER
MANUEL DE LÕUTILISATEUR
TONDEUSE AUTOPORTEE KUBOTA
BEDIENUNGSANLEITUNG
KUBOTA AUFSITZMAHER
1BDAHAGAP0360
MODELS
GR1600-II
MODELES
GR2100-II
MODELLE

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Do you have a question about the GR1600-II and is the answer not in the manual?

Questions and answers

Andrew Dales
March 8, 2025

Do you refil transmition oil via the dip stick port?

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Tommy
April 7, 2025

How to disengage drive

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1 comments:
Mr. Anderson
April 9, 2025

To disengage the drive on a Kubota GR1600-II, lift the PTO engagement lever back to its original position. This action disengages the deck.

This answer is automatically generated

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Summary of Contents for Kubota GR1600-II

  • Page 1 OPERATORÕS MANUAL KUBOTA RIDING MOWER MANUEL DE LÕUTILISATEUR TONDEUSE AUTOPORTEE KUBOTA BEDIENUNGSANLEITUNG KUBOTA AUFSITZMAHER MODELS GR1600-II MODELES GR2100-II MODELLE ¥ Code No. de code. K1254-7121-3 Code Nr. 1BDAHAGAP0360 PRINTED IN U.S.A. IMPRIME AU U.S.A. DRUCK : U.S.A.
  • Page 2 OPERATOR’S MANUAL RIDING MOWER MODELS GR1600-II GR2100-II 1BDAHAGAP0360...

  • Page 3: Universal Symbols

    ABBREVIATION LIST Abbreviations Definitions American Petroleum Institute Power Take Off Permanent Type (=Ethylene glycol anti-freeze) Revolutions Per Minute Society of Automotive Engineers UNIVERSAL SYMBOLS As a guide to the operation of your tractor, various universal symbols have been utilized on the instruments and controls.

  • Page 4: Safety First

    FOREWORD You are now the proud owner of a KUBOTA RIDING MOWER. This machine is a product of KUBOTA’s 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 TONDEUSE AUTOPORTEE MODELES GR1600-II GR2100-II 1BDAHAGAP0360...
  • Page 6 ABREVIATIONS Abréviations Définitions Institut américain du pétrole Prise de force Type permanent (=antigel au glycol éthylène) Tours par minute tr/min Société des ingénieurs automobiles SYMBOLES UNIVERSELS Employés comme guide lors de l’utilisation de votre tondeuse, des symboles universels variés ont été apposés sur les contrôles et les instruments.
  • Page 7 AVANT-PROPOS Vous êtes maintenant l’heureux propriétaire d’une TONDEUSE AUTOPORTEE KUBOTA. Cette machine est le produit de l’étude et de la fabrication de haute qualité KUBOTA. Elle est fabriquée avec les meilleurs matériaux et sous un système de contrôle qualité très rigoureux, et vous donnera de longues années de service satisfaisant.
  • Page 8 AUFSITZMAHER MODELLE GR1600-II GR2100-II 1BDAHAGAP0360...
  • Page 9 LISTE DER ABKÜRZUNGEN Abkürzungen Beschreibung American Petroleum Institute Zapfwelle Ganzjahrestyp (Athylen-Glykol Frostschutz) U/min Umdrehungen per Minute Society of Automotive Engineers ALLGEMEINE SYMBOLE Um Ihnen die Bedienung Ihres Traktors zu erleichtern wurden Instrumente und Bedienungselemente mit einer Reihe von Symbolen versehen. Diese Symbole sind nachfolgend mit ihren entsprechenden Beschreibungen aufgeführt.
  • Page 10 Sie bitte diese Bedienungsanleitung sorgfältig durch. Sie hilft lhnen, sich mit der Bedienung des Mähers vertraut zu machen, und enthält viele hilfreiche Hinweise zur Wartung des Mähers. Es ist ein Grundsatz von KUBOTA, jede lnnovation aus unserer Forschung so schnell wie möglich zu nutzen. Der sofortige Einsatz neuer Herstellungstechniken kann dazu führen, daß...
  • Page 11 Z482 3300 2470 GR1600-II RCK42 GR2100-II RCK48 D782 3100 3220 Kubota Corporation keeps technical documentation. 64, Ishizu-Kitamachi, Sakai-City, Osaka, Japan 590-0823 Société Nationale de Certification Notified Body: et d’Homologation Organisme notifié: 11, route de Luxembourg Benannte Stelle: L-5230 Sandweiler...

  • Page 14: Table Of Contents

    CONTENTS SAFE OPERATION ....................1 SERVICING OF RIDING MOWER ................1 SPECIFICATIONS....................... 2 IMPLEMENT LIMITATIONS ..................4 INSTRUMENT PANEL AND CONTROLS..............6 MOWER MOUNTING ....................7 ATTACHING THE MOWER ..................7 Mounting the Mower Deck ....................7 ADJUSTING THE PARALLEL LINKAGE............... 10 ADJUSTING THE MOWER DECK (SIDE TO SIDE) ..........
  • Page 15 CONTENTS Engine Overheating Precautions ..................22 Fuel Gauge ........................23 Hourmeter........................23 PARKING ....................... 24 Parking..........................24 TRANSPORTING....................24 Directions for Use of Power Steering................24 Glide Steer........................25 Hitch Plate ........................25 OPERATING THE MOWER ..................27 MAKING THE MOST OF YOUR MOWER............. 27 ADJUSTING CUTTING HEIGHT ................
  • Page 16 CONTENTS Checking Safety Devices....................49 Cleaning Air Cleaner Element ..................50 Checking Gear Box Oil Level..................50 Greasing ......................... 51 Oiling..........................52 Checking Battery Condition .................... 55 Battery Charging......................55 EVERY 100 HOURS ....................56 Changing Engine Oil....................... 56 Checking Fuel Lines and Fuel Filter ................57 Checking Brake ......................
  • Page 17 CONTENTS ENGINE TROUBLESHOOTING ................75 BATTERY TROUBLESHOOTING ................. 75 MACHINE TROUBLESHOOTING ................. 76 MOWER TROUBLESHOOTING................77 GRASS CATCHER TROUBLESHOOTING ............78 OPTION ........................79...
  • Page 18 Use a spark arrester where required. Also keep the 18. Use only attachments recommended by KUBOTA. engine and muffler clean all the time. Replace the Use proper ballast to front or rear of machine to reduce muffler if it has a fault.
  • Page 19 SAFE OPERATION 3. Never try to get on or off a moving machine. 18. Never leave a running machine unattended. 4. When using any attachments, never direct discharge Always turn off blades, set parking brake, stop engine, material toward bystanders. Do not allow anyone near and remove the key before dismounting.
  • Page 20 PTO-driven equipment. 4. Do not mow on wet grass. Reduced traction could 3. Use the PTO with KUBOTA approved attachments. cause sliding. 5. Do not try to stabilize the machine by putting your foot on the ground.
  • Page 21 16. Do not use or charge the refillable type battery if the KUBOTA Dealer and install it in the same place as on fluid level is below the LOWER (lower limit level) mark.
  • Page 22 29. Do not use beverage containers for waste fluids or other products. Someone, particularly children, may drink them by mistake. 30. See your local Recycling Center or KUBOTA Dealer to learn how to recycle or get rid of waste products. A A Material Safety Data Sheet (MSDS) provides specific details on chemical products;...
  • Page 23 SAFE OPERATION 7. STORAGE 1. Keep the machine and supply of fuel in locked storage and remove the key to prevent children or others from playing or tampering with them. 2. When machine is to be stored for a long time, disconnect battery cables or remove the battery.
  • Page 24 SAFE OPERATION 8. DANGER, WARNING AND CAUTION LABELS...
  • Page 25 SAFE OPERATION...
  • Page 26 SAFE OPERATION...
  • Page 27 2. Clean danger, warning and caution labels with soap and water, dry with 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 parts, make sure new label(s) is (are) attached in the same location(s) as the replaced component.

  • Page 28: 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 29: Specifications

    SPECIFICATIONS SPECIFICATIONS Model GR1600-II GR2100-II Model Z482-E2-GX D782-E2-GX Type Liquid-cooled diesel Total displacement Gross power 10.0 15.6 No. of cylinders Engine Starter Electric starter with battery Battery 51R (12V, 450CCA) Diesel fuel No.1 (below -10 Fuel Diesel fuel No.2 (above -10...
  • Page 30 SPECIFICATIONS Model RCK42GR-II RCK48GR-II Cutting width 1067 1219 Cutting height 25 to 102 Adjustment of cutting height Dial gauge Mounting method Quick joint, Parallel linkage Weight (Approx.) Mower Total length Dimensions Total width 1110 1270 Total height Discharge direction Rear Gear box oil 0.33 Model...

  • Page 31: Implement Limitations

    Use of implements which exceed the maximum loading weight listed below, or which are not recommended 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 32 Add ballast to rear end if needed for stability. Heavy front mounted attachments tend to lift rear wheels. Add enough ballast to maintain steering control and prevent tipover. The Attachment's Manual shows how much rear ballast is required for your application. Rear ballast are available from your KUBOTA Dealer.

  • Page 33: Instrument Panel And Controls

    (6) Hour meter..........23 (7) Key switch........... 15 (8) Brake pedal..........14 (9) Speed control pedal........21 (10) Mower lift lever (GR1600-II)...... 20 (11) Hydraulic lift lever (GR2100-II)....20 (12) Front quick clean lever......32 (1) Grass container lift lever......32 (2) Top cover lock lever.........

  • Page 34: Mower Mounting

    2. Set the front anti-scalp rollers at the topmost position. Turn the front wheel to the left. 3. [GR1600-II] Raise the mower lift lever and lock in the raised position. [GR2100-II] Pull the hydraulic lift lever to raise rear links.
  • Page 35 MOWER MOUNTING 5. [GR1600-II] 6. Release the L pins lock to attach the rear links to the Lower the mower lift lever and lock in the lower mower deck. position. (1) Mower's rear link (2) L pin (1) Mower lift lever 7.
  • Page 36 MOWER MOUNTING 10. Turn the lever fulcrum fixing pin clockwise and push it into position to fix the link fixing lever. (1) Link fixing lever (2) Lever fulcrum fixing pin (3) Front link (4) Front bracket 11. Pull back the coupler of the universal joint. Push the universal joint into the PTO shaft until the coupler locks.

  • Page 37: Adjusting The Parallel Linkage

    Adjust (L) of front links with lock nut so that A is 0 to 5 (See "TIRE AND WHEELS" section.) mm (0 to 0.2 in.). 3. [GR1600-II] A = (Y) - (X) Raise the mower lift lever to the top position.

  • Page 38: Adjusting The Mower Lift Stopper

    MOWER MOUNTING ADJUSTING THE MOWER LIFT STOPPER [RCK48] The mower lift stopper is designed for maintaining the balance of the mower deck, when lifting the mower to the highest position. Make sure that the stopper is in contact with the underside of the frame. To adjust: 1.

  • Page 39: Grass Catcher Mounting

    GRASS CATCHER MOUNTING GRASS CATCHER MOUNTING ATTACHING THE GRASS CATCHER 4. Hook the container to the frame shafts with the container rear edge inclined a little bit upward. To avoid personal injury: A Shut off the engine and remove the key before attaching the grass catcher.
  • Page 40 GRASS CATCHER MOUNTING 6. Close the top cover by pushing it to the frame. (1) Top cover (A) "PUSH"...

  • Page 41: Operating The Engine

    OPERATING THE ENGINE OPERATING THE ENGINE To avoid personal injury: A Read "Safe Operation" in the front of this manual. A Read the danger, warning and caution labels located on the machine. A To avoid danger of exhaust fume poisoning, do not operate the engine in a closed building without proper ventilation.

  • Page 42: Key Switch

    OPERATING THE ENGINE 4. Set the throttle lever 1/2 way forward. : "OFF" : "PREHEAT" : "ON" : "START" (1) Throttle lever : "FAST" A Do not turn the key switch to the "START" position : "SLOW" while the engine is running. A When the temperature is below 0 ), run the engine at medium speed to warm up the lubricant of...

  • Page 43: Cold Weather Starting

    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 44: Jump Starting

    OPERATING THE ENGINE JUMP STARTING To avoid personal injury: A Battery gases can explode. Keep cigarettes, sparks, and flames away from battery. A If machine battery is frozen, do not jump start engine. A Do not connect other end of negative (-) jumper cable to negative (-) terminal of machine battery.

  • Page 45: 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 Do not allow any person other than the driver to A new machine just off the factory production line has ride on the machine.

  • Page 46: Starting

    OPERATING THE MACHINE STARTING 2. Selecting Light Switch Positions 1. Adjusting the operator's position BHead Light Switch (A)..Head lights ON. BSeat (B)..Head lights OFF. To avoid personal injury: A Make sure that the seat is completely secured after each adjustment. A Do not allow any person other than the operator to ride on the machine.

  • Page 47: Mower Lift Lever

    A Do not operate at slow Engine rpm. Move the throttle lever above 1/2. A If noises are heard when implement is lifting after the hydraulic lift lever has been activated, the hydraulic mechanism is not adjusted properly. Contact your local KUBOTA Dealer for adjustment.

  • Page 48: Throttle Lever

    OPERATING THE MACHINE 4. Accelerate the Engine. 6. Depress the Speed Control Pedal. BThrottle Lever BSpeed Control Pedal Pulling the throttle lever backward decreases the engine speed and pushing it forward increases the engine speed. To avoid personal injury: A Do not operate if the machine moves on a level ground with foot off Speed Control Pedal.

  • Page 49: Stopping

    If this lamp is on, dump the grass inside the bag. A For checking and servicing of your machine, consult your local KUBOTA Dealer for instructions. BEngine Overheating Precautions If the engine is overheated, take the following actions.

  • Page 50: Fuel Gauge

    OPERATING THE MACHINE BFuel Gauge BHourmeter The fuel gauge indicates the fuel level. The hourmeter indicates in five digits the hours the Be careful not to empty the fuel tank. Otherwise air may machine has been used; the last digit indicates 1/10 of an enter the fuel system.

  • Page 51: Parking

    OPERATING THE MACHINE PARKING TRANSPORTING BParking 1. Transport the machine on a trailer. A Fasten the machine to the trailer. A To prevent the hood from opening by wind while in transit, it is necessary to either load the machine To avoid personal injury: forward or use a suitable tie down for the hood.

  • Page 52: Glide Steer

    (B) "Disengaged" If the adjustment is not correct or some malfunction occurs in the system, rear clutches are engaged all times and result in larger turn radius or turf damage. In that (1) Slit case, contact your Kubota dealer for checking.
  • Page 53 OPERATING THE MACHINE (1) Hitch plate (2) Clevis pin (3) Snap pin To remove the hitch plate: 1. Reverse the above procedure.

  • Page 54: Operating The Mower

    If necessary, adjust to the correct tire pressure. To avoid serious injury or death: 2. [GR1600-II] A Do not operate mower without Grass Catcher. To set the cutting height, pull the mower lift lever up to raise the mower deck to the transport position.
  • Page 55 OPERATING THE MOWER 5. [GR1600-II] Lower the mower deck by pushing the mower lift lever downward. This lowers the mower deck from the "Transport" position to the "Operating" position. [GR2100-II] Lower the mower deck by lifting the lever, pushing in the release button and lowering the lever while holding in the release button.
  • Page 56 OPERATING THE MOWER [RCK48] [RCK42] Reference A Set the position for a recommended ground clearance of 19 mm (3/4 in.). (Figure shows a setting position of cutting height 50 or 55 mm (2.0" or 2.25")) (1) Anti-scalp roller (Rear) (Ref.) Ground Cutting height clearance Position of bolts...

  • Page 57: Operating The Mower

    OPERATING THE MOWER OPERATING THE MOWER Use the speed control pedal to select the desired mowing speed range. BStarting (1) During heavy duty use, operate the machine at a 1. Start the engine. slower ground speed or go over the area twice. 2.

  • Page 58: Operating The Grass Catcher

    OPERATING THE GRASS CATCHER OPERATING THE GRASS CATCHER C EASY Checker(TM) To avoid serious injury or death: A Do not operate mower without grass catcher. A Do not operate mower with the top cover opened. OPERATING PERFORMANCE 1. Overall grass collecting performance depends on the airflow from the mowing blades, through the ducts, into the grass container.

  • Page 59: Emptying The Grass Catcher

    OPERATING THE GRASS CATCHER EMPTYING THE GRASS CATCHER To avoid personal injury: A Raise and dump collected leaves or grass clippings ONLY while sitting on the Operator's Seat. A Empty the container ONLY from a firm and level surface, with the mower stopped, and the machine stationary.

  • Page 60: Grass Container Net Material

    Check it frequently. Empty the container even if it is not quite full whenever Use only genuine replacement net from you are close to a grass heap that you have already KUBOTA. started. will thus avoid...

  • Page 61: Replacing

    OPERATING THE GRASS CATCHER 4. Then remove the container net from the frame. 5. To attach new or cleaned net, reverse the above BReplacing procedures sure install removed 1. Remove handles, flange nuts and black flange bolts components. from the top of the grass container cover. 2.

  • Page 62: Front Quick Clean Lever

    OPERATING THE GRASS CATCHER FRONT QUICK CLEAN LEVER The quick clean lever is designed for discharging the grass, when the outlet of the mower is blocked. To operate: 1. Park the machine on a level surface. 2. Raise the mower to the highest position. 3.

  • Page 63: Cleaning

    CLEANING CLEANING To avoid personal injury: To avoid serious injury or death: A Do not clean the machine with engine running. A Do not clean the mower deck without the Grass A Be sure to set the parking brake during Catcher attached.

  • Page 64: Tire And Wheels

    BInflation Pressure Though the inflation pressure is factory-set to the prescribed level, it naturally drops slowly in the course of time. Thus, check it everyday and inflate as necessary. [GR1600-II] Recommended Inflation Tire sizes Max. Pressure 15 x 6.00 - 6,...

  • Page 65: Wheels

    TIRE AND WHEELS WHEELS [GR2100-II] [GR1600-II] A When re-fitting a wheel, tighten the wheel bolt to the following torques then recheck after travelling 200 m A When re-fitting wheels, make sure the cotter pin of the (200 yards) changing directions several times.

  • Page 66: Maintenance

    MAINTENANCE MAINTENANCE SERVICE INTERVALS The following servicing tasks should be carried out on the machine at the stated running-time intervals. Indication on hour meter (Hr) After Ref. Items since page every Engine oil Change 100 Hr every Engine oil filter Replace 200 Hr Transmission &...
  • Page 67 *1 This maintenance should be done daily more often in dusty conditions than in normal conditions. Suggested cleaning interval is every 100 hours in normal conditions. *2 These items should be serviced by an authorized KUBOTA Dealer, unless the owner has the proper tools and is mechanically proficient.

  • Page 68: Lubricants

    0 to 25 ..SAE20, SAE10W-30 or 10W-40 Below 0 ..SAE10W, SAE10W-30 or 10W-40 Transmission case 2.8 L 3.3 L KUBOTA UDT or SUPER UDT fluid*1 Front axle case 1.9 L SAE 90 gear oil Mower gear box 0.33 L 0.4 L (API service classification: more than GL-3) No.
  • Page 69 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 70: Periodic Service

    PERIODIC SERVICE PERIODIC SERVICE DAILY CHECK To prevent trouble from occurring, it is important to know To avoid personal injury: the condition of the machine. Check it before starting. A Do not work under any hydraulically supported devices. They can settle, suddenly leak down, or be accidentally lowered.

  • Page 71: Checking Engine Oil Level

    Check to see contact your local that the oil level is between the two notches. KUBOTA Dealer 4. Add new oil to the prescribed level at the oil port if immediately. necessary.

  • Page 72: Checking Amount Of Fuel And Refueling

    PERIODIC SERVICE BChecking Amount of Fuel and Refueling Distillation Viscosity Viscosity Temperatures Kinematics Saybolt, SUS cSt or mm /s at 100 90% Point at 40 To avoid personal injury: A Handle fuel carefully. If the engine is running, do not fill the fuel tank. If engine is hot, let 32.6 40.1 engine cool several minutes before adding fuel.

  • Page 73: Checking And Cleaning Radiator And Screen To Prevent Overheating

    Check the radiator screen from time to time if grass time. Thus, check it everyday and inflate as necessary. accumulates. 6. If the dust or chaff has accumulated inside the panel, [GR1600-II] remove the radiator screen and the panel screen, and Recommended Inflation clean inside completely.

  • Page 74: Checking Transmission Fluid Level

    PERIODIC SERVICE BChecking Coolant Level To avoid personal injury: A Do not remove the radiator cap when the engine is hot. Loosen cap slightly, to the stop, to relieve any excess pressure before removing cap completely. Check the coolant level daily both the radiator and the recovery tank before starting engine.

  • Page 75: Greasing

    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. BGreasing (1) Mower universal joint (Apply grease on the spline shaft.)

  • Page 76: Every 50 Hours

    A Do not allow anyone near the machine while testing. A If the machine does not pass one of the following tests, do not operate the machine. See your local KUBOTA Dealer. A Check the following tests before operating the machine. BChecking Safety Devices 1.

  • Page 77: Cleaning Air Cleaner Element

    PERIODIC SERVICE BCleaning Air Cleaner Element BChecking Gear Box Oil Level 1. The air cleaner uses a dry element, never apply oil. 2. Do not touch the filter element except when cleaning is required. To clean the element, use clean and dry To avoid personal injury: compressed air on the inside of the element.

  • Page 78: 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) Support king pin (LH, RH) (2) Glide steer bolt (1) Engine transmission universal joint (Apply grease on the spline shaft.) (1) Glide steer rear arm (GR2100-II) (1) Center pin (GR2100-II) (1) King pin (LH, RH)

  • Page 79: Oiling

    PERIODIC SERVICE BOiling To avoid personal injury: A Be sure to stop the engine and remove the key before greasing. Oil the following locations. (1) Seat adjuster (1) Mower universal joint (1) Throttle cable (1) Speed control shaft (RH) (1) Around the hole of the mower link (2) Around the pin (3) Pivot of mower link (4) Pivot of liftarm...
  • Page 80 PERIODIC SERVICE (1) Front link (1) Top cover (2) Arm bracket (1) Top cover lock lever (2) Frame shaft (1) Rear quick clean lever...
  • Page 81 PERIODIC SERVICE (1) PTO lever (fulcrum) (2) Hydraulic lift lever (fulcrum) (1) Glide steer cable (LH, RH) (1) Link fulcrum...

  • Page 82: Checking Battery Condition

    PERIODIC SERVICE BChecking Battery Condition BBattery Charging To avoid the possibility of battery explosion: To avoid serious injury or death: refillable type battery, follow A When the battery is being activated, hydrogen instructions below. and oxygen gases in the battery are extremely A Do not use or charge the refillable type battery explosive.

  • Page 83: Every 100 Hours

    PERIODIC SERVICE EVERY 100 HOURS 5. When the specific gravity of electrolyte reaches 1.27 to 1.29 charge has completed. BChanging Engine Oil 6. When exchanging an old battery with new one, use a battery equal specification shown "SPECIFICATIONS" (For non-accessible maintenance-free type batteries.) To avoid personal injury: A Be sure to stop the engine and remove the key Maintenance-free, non-accessible batteries are designed...

  • Page 84: Checking Fuel Lines And Fuel Filter

    PERIODIC SERVICE BChecking Fuel Lines and Fuel Filter To avoid personal injury: A Be sure to stop the engine and remove the key when attempting to make the following checks and changes. A Never fail to check the fuel lines periodically. The fuel lines are subject to wear and aging.

  • Page 85: Checking Brake

    PERIODIC SERVICE BChecking Brake BChecking Fan Drive Belt Tension To avoid personal injury: To avoid personal injury: A When making adjustments, park the machine A Be sure to stop the engine and remove the key on a flat area, block wheels, stop the engine before checking belt tension.

  • Page 86: Every 150 Hours

    A To prevent serious damage engine, replacement element of the recommended type must be used. Use only a genuine KUBOTA filter or its equivalent. (1) Oil filler plug (2) Drain plug [RCK48] (1) Engine oil filter cartridge (1) Oil filler plug...

  • Page 87: Changing Transmission Fluid

    PERIODIC SERVICE 4. After running the engine for a few minutes, stop it and check the oil level again; add oil to the prescribed BChanging Transmission Fluid level. To avoid personal injury: A Be sure to stop the engine and remove the key before changing or checking the oil.

  • Page 88: Replacing Transmission Oil Filter Cartridge

    To avoid personal injury: highly efficient, 10 filter. Use only a genuine A Be sure to stop the engine and remove the key KUBOTA filter or its equivalent. before changing the oil filter cartridge. A Allow transmission case...

  • Page 89: Checking Radiator Hose And Clamp

    PERIODIC SERVICE BChecking Radiator Hose and Clamp BChanging Front Axle Case Oil Check to see if radiator hoses are properly fixed every 200 [GR2100-II] hours of operation or six months, whichever comes first. 1. Park the machine on a firm, flat and level surface. 2.

  • Page 90: Checking Hydraulic Hose

    PERIODIC SERVICE BChecking Hydraulic Hose To avoid personal injury: A Be sure to stop the engine and remove the key before checking and replacing hydraulic hose. A Allow transmission case cool down sufficiently; oil can be hot and may cause burns.

  • Page 91: Adjusting Front Axle Pivot

    Coolant If the front axle pivot pin adjustment is not correct, vibration in the front wheel can occur. When vibration occurs please contact your KUBOTA Dealer to adjust the To avoid personal injury: free travel of front axle. A Do not remove the radiator cap when the engine is hot.

  • Page 92: Anti-Freeze

    PERIODIC SERVICE BAnti-freeze To avoid personal injury: A When using anti-freeze, put on some protection such as rubber gloves (Anti-freeze contains poison.). A If anti-freeze is ingested, induce vomiting at once and seek medical attention. A When anti-freeze comes in contact with the skin or clothing, wash it off immediately.

  • Page 93: Every 2 Years

    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 2 years. A The above data represent industry standards that...

  • Page 94: Replacing Bulbs

    PERIODIC SERVICE C Protected circuit BChecking and Replacing Blade FUSE NO. CAPACITY Protected circuit (ID LABEL) E/G STOP Engine stop timer relay To avoid personal injury: Fuel pump, Head light A Be sure to stop the engine and remove the key. IG/M Power steering control A Blades may be sharp.
  • Page 95 PERIODIC SERVICE C Replacing [RCK48] 1. Remove the mower deck from the machine and turn it over to expose the blades. 2. Wedge a block of wood between the blade and mower housing as illustrated. 3. The blade bolts (2) have right hand threads, turn counterclockwise to loosen.

  • Page 96: Mower Belt Replacement

    PERIODIC SERVICE [RCK42] [RCK48] (1) LH blade (2) Center blade (3) RH blade (No reposition) (1) Spindle holder (2) Blade (3) 2-Cup washers BMower Belt Replacement (4) Shim 1. Remove the mower deck from the machine according (5) Bolt to the procedure "DISMOUNTING THE MOWER (6) Spindle guard DECK".
  • Page 97 PERIODIC SERVICE [RCK42] [RCK42] (1) Bolt (1) Belt (2) Gear box Tighten each bolt with following torque. [RCK48] A Bolt M12 77.6 to 90.2 N-m (8.0 to 9.2 kgf-m) [RCK42] (1) Left hand shields (2) Right hand shield (1) RH-belt (5) Right hand shield (2) Tension pulley (6) Left side pulley...

  • Page 98: Bleeding Fuel System

    PERIODIC SERVICE BBleeding Fuel System Air must be removed: 1. When the fuel filter or lines are removed. 2. When tank is completely empty. 3. After the machine has not been used for a long period of time. C Bleeding procedure is as follows: 1.

  • Page 99: Adjustment

    ADJUSTMENT 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)

  • Page 100: 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 101: Storage

    STORAGE STORAGE REMOVING THE MOWER FROM STORAGE To avoid personal injury: 1. Check the tire inflation pressure and adjust as A To reduce fire hazards, allow the engine and required. exhaust system to cool before storing the 2. Install the battery. Before installing the battery, be sure machine in an enclosed space or near it is fully charged.

  • Page 102: Troubleshooting

    A Fuel filter is clogged. Engine overheats. A Low coolant level. A Loose or defective fan belt. A Coolant flow route corroded. If you have any questions, contact your KUBOTA Dealer. BATTERY TROUBLESHOOTING Check Starter does not function. A Battery discharged.

  • Page 103: Machine Troubleshooting

    Machine does not move while engine is running. A Parking brake is on. A Transmission oil is insufficient. Machine moves when speed control pedal is not A Hydrostatic neutral system is not correctly adjusted. depressed. (Engine is operated.) If you have any questions, contact your KUBOTA Dealer.

  • Page 104: Mower Troubleshooting

    A Ground speed too fast. A Debris wrapped around mower spindles. Grass tips are jagged and turn grayish brown. A Blades dull. A Blades worn. A Mower deck is not level. If you have any questions, contact your KUBOTA Dealer.

  • Page 105: Grass Catcher Troubleshooting

    A Ground speed too fast. A Grass container full. A Grass container net clogged. Dumped and undischarged clippings. A Duct plugged. A Grass container full. A Mower deck plugged. A Grass container net clogged. If you have any questions, contact your KUBOTA Dealer.

  • Page 106: Option

    OPTION OPTION Consult your KUBOTA Dealer for further details. A Rear Discharge deflector The Rear Discharge Deflector is used when both discharging and scattering the grass clippings to the rear of the machine without collecting. VIBRATION Vibration (*1) Model Engine Rated Speed...

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Gr2100-ii

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