Kubota V4203 Operator And Parts Manual
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Kubota V4203 Operator And Parts Manual

Hydraulic control kit
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OM 0387BH-A
11/08
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HYDRAULIC CONTROL KITS
2 FUNCTIONS – V4203
3 FUNCTIONS – V4204
FOR RTV900 & RTV1100 SERIES
MANUAL PART NUMBER 77700-01127
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  • Page 1 HYDRAULIC CONTROL KITS 2 FUNCTIONS – V4203 3 FUNCTIONS – V4204 FOR RTV900 & RTV1100 SERIES OM 0387BH-A MANUAL PART NUMBER 77700-01127 11/08...

  • Page 3: Table Of Contents

    HYDRAULIC & ELECTRICAL DIAGRAMS ..................28 PARTS ...............................34 Introduction..........................34 Hydraulic Block – V4203 - V4204 .....................35 Hydraulic Block Assembly – V4203 - V4204 ................36 Hydraulic Block & Fittings – V4203 ....................38 Hydraulic Block & Fittings – V4204 ....................39 Electrical Components – V4203 & V4204 ..................40 Hydraulic Components –...

  • Page 4: Introduction - To The Purchaser

    INTRODUCTION O THE URCHASER All products are designed to give safe, Illustrations dependable service if they are operated and The illustrations may not necessarily reproduce maintained according to instructions. Read and the full detail and the exact shape of the parts understand this manual before operation.

  • Page 5: Safety Precautions

    SAFETY PRECAUTIONS SAFETY FIRST This symbol, the industry's "Safety Alert Symbol", is used throughout this manual and on labels on the machine itself to warn of the possibility of personal injury. Read these instructions carefully. It is essential that you read the instructions and safety regulations before you attempt to assemble or use this hydraulic control.

  • Page 6: Notice

    SAFETY PRECAUTIONS - continued OTICE A safe operator is the best assurance against accidents. All operators, no matter how experienced they may be, should read this operator's manual and all other related manuals before attempting to operate the hydraulic control. Please read the following section and pay particular attention to all safety recommendations contained in this manual and those labeled on the hydraulic control and on the vehicle.

  • Page 7: Decals

    DECALS FOR KUBOTA USA Replace immediately if damaged 77700-01142 (2500748) 77700-01138 (2500751) 77700-01144 (2500743) 77700-01139 (2500615) OM 0387BH-A.doc...
  • Page 8 DECALS FOR KUBOTA CANADA Replace immediately if damaged 77700-01143 77700-01142 (2500748) (2500744) 77700-01140 (2500742) 77700-01138 (2500751) 77700-00524 (2500400) OM 0387BH-A.doc...

  • Page 9: Assembly

    ASSEMBLY - RTV900 & RTV1100 SSEMBLING THE YDRAULIC ONTROL The hydraulic control is pre assembled at the factory, however some components contained in the hardware bag require assembly. Use the present manual and lay out all parts for assembly. Separate bolts and nuts into various sizes.

  • Page 10: Installation Valve Control Handle

    ASSEMBLY Installation of the Valve Control Handle (Figures 3-4) 1. Figure 3: Unscrew the knob of the range 2. Figure 4: Remove the setscrews (item 4) gear shift lever (not illustrated). Screw on the from the handle (item 1) and attach to the handle support (item 2) on the gear shift rod handle support (item 2) with the 1/2"...

  • Page 11: Preparing The Vehicle - Rtv1100

    ASSEMBLY Preparing the Vehicle - RTV1100 (Figures 5-6-7-8-9) WARNING: To avoid serious injury: WARNING: avoid serious Park the tractor on level ground, set to personal injury. Escaping hydraulic/ diesel neutral, apply parking brake, disengage fluid under pressure can penetrate the skin drive pulley, place all control levers to causing serious injury neutral, shut off the engine, remove the...
  • Page 12 ASSEMBLY 5. Figure 6: Remove the protective plate 8. Figure 8: Disconnect the hydraulic hose (item1) located in the right side wheel well. between the pump (item 1) and the valve of the vehicle. 6. Remove the carpet inside the driver's cab (not illustrated).

  • Page 13: Installation Of The Hydraulic System - Rtv1100

    ASSEMBLY Installation of the Hydraulic System - RTV1100 (Figures 10 to 21) 1. Figure 10: Insert a 7/8" JIC fem x 5/8’’ hose Figure 10 "push-on" union (item 1) in the return hose of the vehicle (item 2). 2. Figure 10: Attach the 3/4" JIC rigid male x 3/4"...
  • Page 14 ASSEMBLY 6. Figure 13: Install a 1/4’’ NPT elbow Figure 15 (item 1), a 1/4’’ NPT male quick coupler (item 2) and a 1/4" dust cap on the hose with the green identification ring 7. Figure 14: Install a 1/4’’ NPT elbow (item 1), a 1/4’’...
  • Page 15 ASSEMBLY 11. Figure 18: Run the 3/4" JIC female end of 12. Figure 19: Run the 3/4" JIC female end of the hose with the green identification ring the 140’’ hose with the blue identification ring (item1) towards the rear of the vehicle under (item 1) through the panel under the seat the engine's air intake hose (item 2).
  • Page 16 ASSEMBLY 14. Figure 20: Run the two hoses under the Figure 20 valve support (item 1) in the middle of the vehicle and towards the outside. Bring the hose back towards the valve by making a loop to evenly distribute the surplus hose and attach the 3/4"...

  • Page 17: Installation Of The Electrical System - Rtv1100

    ASSEMBLY Installation of the Electrical System - RTV1100 (Figures 22 to 31) 1. Figure 22: Run the handle's electrical Figure 22 connector (item 1) through the panel (item 2) above the vehicle's pedals, from the interior of the cab to the exterior following the path of the hydraulic hoses previously installed (item 3).
  • Page 18 ASSEMBLY 6. Figure 27: Run the end of the power supply harness with the two round terminals (item 1) though the panel (item 2) under the driver's seat. 7. Figure 28: Connect the round terminal of the red wire (item 1) to the battery's positive terminal (item 2) and the round terminal of the black wire (item 3) to the battery's negative terminal (item 4).

  • Page 19: Preparing The Vehicle - Rtv900

    ASSEMBLY 10. Figure 31: Secure the power supply harness (item 1) under the vehicle, between lengthwise rectangular tubes attaching it to the vertical tubes (item 3) with 5.0mm X 15’’ tie wraps (item 2). Figure 31 Preparing the Vehicle – RTV900 WARNING: avoid serious...

  • Page 20: Installation Of The Hydraulic System - Rtv900

    ASSEMBLY Installation of the Hydraulic System - RTV900 (Figures 31 to 38) 1. Figure 31: Install the 3/4" JIC rigid male x 3/4" JIC rigid male x 3/4" ORB "T" fitting (item 1) on the vehicle's valve (item 2). The perpendicular port of the "T"...
  • Page 21 ASSEMBLY 10. Figure 34: Place the hoses (item 4) in the 18. Tighten all fittings according to the "Torque hose support (item 1) under the vehicle and Specification Table Hydraulic attach to the support 5.0mm x 15’’ tie wraps Fittings" at the end of the manual. (item 2).

  • Page 22: Installation Of The Electrical System - Rtv900

    ASSEMBLY Installation of the Electrical System – RTV900 (Figures 39 to 45) 1. Run the cable of the valve control handle under the dashboard to under the hood. Attach the cable to the frame tubes with 5.0mm X 15’’ tie wraps. 2.
  • Page 23 ASSEMBLY 7. Figure 43: : Connect the handle connector (item1) to the female connector of the power supply harness (item 2). 8. Figure 44: Connect the male connector of the power supply harness (item 1) to the female connector of the hydraulic control harness (item 2).

  • Page 24: Operation

    (see figure 46). Starting the vehicle's engine with the hoses not connected could seriously damage the engine. • This hydraulic control kit was designed used Kubota approved equipment only. ATTENTION Always operate the hydraulic control from the driver's seat. Figure 48 Figure 47 OM 0387BH-A.doc...

  • Page 25: Handle Control Functions

    OPERATION Handle Control Functions Functions with the V4291 "V" blade (See figures 47 and 48 for the numbering of the buttons) Function Button Description RAISE Press button #1 to raise the quick hitch and disengage the "FLOAT" mode. LOWER Press button #2 to lower the quick hitch and disengage the "FLOAT"...

  • Page 26: Hydraulic Block Disassembling

    OPERATION YDRAULIC LOCK ISASSEMBLING (Figures 49-50) WARNING To avoid vehicle damage or WARNING To avoid vehicle damage or serious injury: serious injury: The oil supply and return hoses of the Before assembling or disassembling the hydraulic control must correctly hydraulic control, bring the vehicle to a connected (figure 50), or as mentioned complete stop, wait for all movement to below, to the hydraulic block before starting...
  • Page 27 OPERATION PREPARATION - RTV1100 Hydraulic Block Reassembling Hydraulic Block Disassembling 1. Bring the vehicle to a complete stop, apply 1. Bring the vehicle to a complete stop, apply parking brake, lower the equipment to the parking brake, lower the equipment to the ground, shut off the engine and remove the ground, shut off the engine and remove the ignition key.

  • Page 28: Maintenance

    MAINTENANCE TORAGE Before storing the hydraulic control certain precautions should be taken to protect it from deterioration. 1. Clean the bock. 2. Make all necessary repairs. 3. Replace all decals that are damaged, lost, or otherwise become illegible. If a part to be replaced has a sign on it, obtain a new decal from your dealer and install it in the same place as on the removed part.
  • Page 29 HYDRAULIC AND ELECTRICAL DIAGRAMS OWER UPPLY ARNESS OM 0387BH-A.doc...

  • Page 30: Hydraulic & Electrical Diagrams

    HYDRAULIC AND ELECTRICAL DIAGRAMS ALVES OM 0387BH-A.doc...
  • Page 31 HYDRAULIC AND ELECTRICAL DIAGRAMS – V4203 YDRAULIC IAGRAM NOTE: When the V4205 Hydraulic Conversion Kit is installed, the V4203 becomes a V4204 therefore refer to the appropriate diagram. OM 0387BH-A.doc...
  • Page 32 HYDRAULIC AND ELECTRICAL DIAGRAMS – V4203 LECTRICAL HARNESS OM 0387BH-A.doc...
  • Page 33 HYDRAULIC AND ELECTRICAL DIAGRAMS – V4204 YDRAULIC IAGRAM OM 0387BH-A.doc...
  • Page 34 HYDRAULIC AND ELECTRICAL DIAGRAMS – V4204 LECTRICAL ARNESS OM 0387BH-A.doc...
  • Page 35 HYDRAULIC AND ELECTRICAL DIAGRAMS – V LECTRICAL IAGRAM ALVE ONTROL ANDLE OM 0387BH-A.doc...

  • Page 36: Parts

    PARTS NTRODUCTION All parts are illustrated in "exploded views" which show the individual parts in their normal relationship to each other. Reference numbers are used in the illustrations. These numbers correspond to those in the "Reference Number" (REF) column, and are followed by the description and quantity required. "Right Hand"...

  • Page 37: Hydraulic Block - V4203 - V4204

    PARTS – V4203 & V4204 YDRAULIC LOCK V4203 V4204 P ESCRIPTION UMBER Relief valve preset at 600 PSI 77700-01120 3900437 Valve double action D03 with DIN connectors 77700-01119 3900436 Allen socket head capscrew 10-24 NC x 1 3/4" Gr.5 77700-01166 0800018...

  • Page 38: Hydraulic Block Assembly - V4203-V4204

    PARTS – V4203-V4204 YDRAULIC LOCK SSEMBLY OM 0387BH-A.doc...
  • Page 39 PARTS – V4203-V4204 YDRAULIC LOCK SSEMBLY ESCRIPTION UMBER Hardware bag – CAN (not illustrated) 77700-01130 668773 Hardware bag – US (not illustrated) 77700-01131 668836 Valve guard 77700-01134 668849 Hose 1/4" x 7 3/8" lg, 9/16"JIC swf x 9/16"JIC swf shb 90°...

  • Page 40: Hydraulic Block & Fittings - V4203

    PARTS & F – V4203 YDRAULIC LOCK ITTINGS ESCRIPTION UMBER Quick coupler 1/4"NPT male 70060-04361 2600051 Dust cap 1/4"NPT 70060-04362 2600052 Dust plug 70060-00336 2600061 Adapter 3/8"NPT male x 1/4"NPT male 77700-01148 2600193 Adapter 9/16"ORB male x 1/4"NPT 77700-01118 2600188...

  • Page 41: Hydraulic Block & Fittings - V4204

    PARTS & F – V4204 YDRAULIC LOCK ITTINGS ESCRIPTION UMBER Quick coupler 1/4"NPT male 70060-04361 2600051 Dust cap 1/4"NPT 70060-04362 2600052 Dust plug 70060-00336 2600061 Adapter 3/8"NPT male x 1/4"NPT male 77700-01148 2600193 Adapter 9/16"ORB male x 1/4"NPT male 77700-01118 2600188 Identification ring - white 77700-00997...

  • Page 42: Electrical Components - V4203 & V4204

    Wiring harness for hydraulic control - V4204 77700-01163 4000074 Valve control handle 77700-01162 4000073 Handle support 77700-01132 668840 Wiring harness for power supply 77700-01165 4000076 Wiring harness for hydraulic control - V4203 77700-01164 4000075 Fuse ATO 20 amp 77700-01170 663327 OM 0387BH-A.doc...

  • Page 43: Hydraulic Components - V4203 & V4204

    PARTS – V4203 & V4204 YDRAULIC OMPONENTS ESCRIPTION UMBER Dust cap 1/4"NPT 70060-04362 2600052 Dust plug 1/4" non threaded 70060-00336 2600061 Elbow 90°, 7/8" JIC male x 3/4"JIC swf 77700-01144 2600130 Fitting "T", 3/4"ORB male x 3/4"JIC m 77700-01146 2600190 Union 7/8"JIC female for 5/8"...

  • Page 44: Solenoid Valve Assembly

    PARTS – 77700-01151 OLENOID ALVE SSEMBLY ESCRIPTION UMBER Hydraulic block, 2 way port 77700-01157 3920019 Cartridge, 2 way (nut included) 77700-01155 3920017 Seal kit 3920022 77700-01160 Coil 12 VDC DIN connector 77700-01156 3920018 OM 0387BH-A.doc...

  • Page 45: Torque Specification Tables

    TORQUE SPECIFICATION TABLES GENERAL SPECIFICATION TABLE Use the following torques when special torques are not given. Note: These values apply to fasteners as received from supplier, when dry. These values do not apply if lubricants are used. BOLT SIZES (SAE) TORQUE INCHES Pounds-Foot...
  • Page 46 TORQUE SPECIFICATION TABLES TORQUE SPECIFICATION TABLE FOR HYDRAULIC FITTINGS Use the following torques when a specific torque is not given. Note: These values apply to fittings when dry. These values do not apply if lubricants are used.. SIZE OF FITTINGS TORQUE SIZE ( JIC ) - INCHES foot-pounds...
  • Page 47 TORQUE SPECIFICATION TABLES SIZE ( NPT ) - INCHES Torque FFT 1/8"- 27 2.0 - 3.0 1/4"- 18 2.0 - 3.0 3/8"- 18 2.0 - 3.0 1/2"- 14 2.0 - 3.0 3/4"- 16 2.0 - 3.0 1"- 11 1/2" 1.5 - 2.5 1 1/4"- 11 1/2"...
  • Page 48 Printed in Canada...

This manual is also suitable for:

V4204

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