Kubota B2050, B2350, B2650, B3150 Tractor Service Repair Workshop Manual


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This complete service repair workshop manual PDF download for the B2050, B2350, B2650, B3150 Kubota Tractor has easy to read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes. All specifications and tolerances are listed. Functions of components and systems are also explained.

This Workshop Manual tells the servicing personnel about the mechanism, servicing and maintenance of the B2050, B2350, B2650 and B3150. It contains 4 parts: "Information", "General", "Mechanism" and "Servicing".


APPLICABLE MODELS :

Kubota B2050
Kubota B2350
Kubota B2650
Kubota B3150


TABLE OF CONTENTS :

I INFORMATION
G GENERAL
1 ENGINE
2 CLUTCH
3 TRANSMISSION
4 REAR AXLE
5 BRAKES
6 FRONT AXLE
7 STEERING
8 HYDRAULIC SYSTEM
9 ELECTRICAL SYSTEM
10 CABIN


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Code No. : .9Y111-09820
Total Pages : 539


This (OEM) manual pdf download has detailed illustrations as well as step by step instructions, It is 100 percents complete and intact. they are specifically written for the do-it-yourself-er as well as the experienced mechanic. With step by step instruction & highly detailed exploded pictures & diagrams to show you how to complete the required job correctly & efficiently Using. Provides step-by-step instructions based on the complete dis-assembly of the machine. It is this level of detail, along with hundreds of photos and illustrations, that guide the reader through each service and repair procedure. Complete download comes in pdf format which can work under all PC based windows operating system and Mac also, All pages are printable. Using this repair manual is an inexpensive way to keep your Tractor working properly.

This service repair workshop manual PDF download has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

This service repair workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same Repair Service manual your local dealer will use when doing a repair.

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B2050,B2350,B2650,B3150
TO THE READER
I INFORMATION
INFORMATION
1. SAFETY FIRST
2. SAFETY DECALS
3. SPECIFICATIONS
4. TRAVELING SPEEDS
5. DIMENSIONS
G GENERAL
GENERAL
1. TRACTOR IDENTIFICATION
2. GENERAL PRECAUTIONS
3. HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING
[1] WIRING
[2] BATTERY
[3] FUSE
[4] CONNECTOR
[5] HANDLING OF CIRCUIT TESTER
[6] COLOR OF WIRING
4. LUBRICANTS, FUEL AND COOLANT
5. TIGHTENING TORQUES
[1] GENERAL USE SCREWS, BOLTS AND NUTS
[2] STUD BOLTS
[3] METRIC SCREWS, BOLTS AND NUTS
[4] AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC OR UNF THREADS
[5] PLUGS
6. MAINTENANCE CHECK LIST
7. CHECK AND MAINTENANCE
[1] DAILY CHECK
[2] CHECK POINTS OF EVERY 50 HOURS
[3] CHECK POINTS OF EVERY 100 HOURS
[4] CHECK POINTS OF EVERY 200 HOURS
[5] CHECK POINTS OF EVERY 400 HOURS
[6] CHECK POINT OF EVERY 800 HOURS
[7] CHECK POINT OF EVERY 1500 HOURS
[8] CHECK POINT OF EVERY 3000 HOURS
[9] CHECK POINTS OF EVERY 1 YEAR
[10] CHECK POINTS OF EVERY 2 YEARS
[11] OTHERS
8. SPECIAL TOOLS
[1] SPECIAL TOOLS FOR ENGINE
[2] SPECIAL TOOLS FOR TRACTOR
[3] SPECIAL TOOLS FOR CABIN
9. TIRES
[1] TIRE PRESSURE
[2] WHEEL ADJUSTMENT
(1) Front Wheels
(2) Rear Wheels
[3] BALLAST
10. IMPLEMENT LIMITATIONS
1 ENGINE
MECHANISM
1. ENGINE BODY
[1] CLOSED BREATHER [D1105, V1505]
[2] HALF-FLOATING HEAD COVER [D1305]
[3] GOVERNOR
SERVICING
1. TROUBLESHOOTING
2. SERVICING SPECIFICATIONS
3. TIGHTENING TORQUES
[1] TRACTOR SECTION
[2] ENGINE SECTION
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
(1) Engine Body
(2) Lubricating System
(3) Cooling System
(4) Fuel System
[2] PREPARATION
(1) Draining Lubricants and Coolant
(2) Separating Engine from Clutch Housing (CABIN)
(3) Separating Engine from Front Axle Frame (CABIN)
(4) Separating Engine from Clutch Housing (ROPS)
(5) Separating Engine from Front Axle Frame (ROPS)
[3] DISASSEMBLING AND ASSEMBLING
(1) External Components
(2) Cylinder Head and Valve and Oil Pan
(3) Gear Case
(4) Piston and Connecting Rod
(5) Crankshaft
[4] SERVICING
(1) Cylinder Head and Valves
(2) Idle Gear and Camshaft
(3) Piston and Connecting Rod
(4) Crankshaft
(5) Cylinder
(6) Oil Pump
2 CLUTCH
MECHANISM
1. STRUCTURE
[1] MANUAL TRANSMISSION MODEL
[2] CLUTCH OPERATION
(1) Clutch "Engaged"
(2) Clutch "Disengaged"
SERVICING
1. TROUBLESHOOTING
2. SERVICING SPECIFICATIONS
3. TIGHTENING TORQUES
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
[2] DISASSEMBLING AND ASSEMBLING
(1) Separating Engine From Clutch housing
(2) Separating Clutch Assembly
[3] SERVICING
3 TRANSMISSION
MECHANISM
1. STRUCTURE
[1] MANUAL TRANSMISSION (WITHOUT BI-SPEED TURN AND MID-PTO MODEL)
[2] MANUAL TRANSMISSION (WITHOUT BI-SPEED TURN AND WITH MID-PTO MODEL)
[3] MANUAL TRANSMISSION (WITH BI-SPEED TURN AND WITHOUT MID-PTO MODEL)
[4] MANUAL TRANSMISSION (WITH BI-SPEED TURN AND MID-PTO MODEL)
[5] HST (WITH BI-SPEED TURN AND MID-PTO MODEL)
2. FRONT CASE
[1] STRUCTURE (HST WITH BI-SPEED TURN MODEL)
[2] BI-SPEED TURN LINKAGE
(1) Linkage
(2) Linkage: Bi-Speed Turn "Engaged"
(3) Linkage: Bi-Speed Turn "Disengaged"
[3] BI-SPEED TURN POWERTRAIN
(1) HYDRAULIC CIRCUIT
(2) Bi-Speed Turn "Engaged"
(3) Bi-Speed Turn "Disengaged"
3. MANUAL TRANSMISSION
[1] STRUCTURE
(1) Main Gear Shift Section
(2) Shuttle Gear Shift Section
4. HYDROSTATIC TRANSMISSION
[1] STRUCTURE
[2] PUMP AND MOTOR
[3] OIL FLOW AND VALVES
[4] CONTROL LINKAGE
(1) ROPS Model
(2) CABIN Model
5. CRUISE CONTROL
[1] CRUISE CONTROL LINKAGE [CABIN MODEL]
(1) Cruise Control
(2) Cruise Control Release
[2] CRUISE CONTROL LINKAGE (ROPS MODEL)
(1) Cruise Control
(2) Cruise Control Release
6. RANGE GEAR SHIFT SECTION
7. FRONT WHEEL DRIVE SECTION
8. PTO SYSTEM (HYDRAULIC PTO CLUTCH MODEL)
[1] STRUCTURE
[2] REAR PTO SECTION
[3] REAR PTO / MID-PTO SECTION
[4] MID-PTO SECTION
[5] INDEPENDENT PTO
(1) Hydraulic Circuit
(2) Independent PTO Control Valve
(3) Independent PTO Clutch
(4) Independent PTO Lever "Engaged"
(5) Independent PTO Lever "Disengaged"
9. PTO SYSTEM (MECHANICAL PTO CLUTCH MODEL)
[1] STRUCTURE
[2] REAR PTO SECTION
[3] REAR PTO / MID-PTO SECTION
[4] MID-PTO SECTION
[5] ONE-WAY CLUTCH SYSTEM
10. DIFFERENTIAL GEAR SYSTEM
[1] DIFFERENTIAL FUNCTION
[2] DIFFERENTIAL LOCK
SERVICING
1. TROUBLESHOOTING
2. SERVICING SPECIFICATIONS
3. TIGHTENING TORQUES
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
(1) Bi-Speed Turn
(2) HST
(3) Independent PTO Control Valve
[2] PREPARATION
(1) Draining Lubricants and Coolant
(2) Separating Transmission from Tractor Body (CABIN)
(3) Separating Engine and Clutch Housing (CABIN)
(4) Separating Transmission from Tractor Body (ROPS)
(5) Separating Engine and Clutch Housing (ROPS)
[3] DISASSEMBLING AND ASSEMBLING
(1) Front Case
(2) Main Gear Shift Section
(3) Mechanical PTO Clutch Assembly
(4) Hydrostatic Transmission (HST)
(5) PTO Clutch Case (HST Model)
(6) Bevel Pinion Shaft
(7) Range Gear Shaft
(8) Front Wheel Drive Shaft
(9) Independent PTO Clutch Shifter
(10) Independent PTO Clutch
(11) Mid-PTO Section
(12) Differential Gear Section
[4] SERVICING
(1) Bi-Speed Turn Clutch
(2) Mechanical PTO Clutch
(3) HST
(4) Independent PTO Clutch
(5) Transmission Case
(6) Differential Gear
4 REAR AXLE
MECHANISM
1. STRUCTURE
SERVICING
1. TROUBLESHOOTING
2. TIGHTENING TORQUES
3. DIASSEMBLING AND SERVICING
[1] DIASSEMBLING AND ASSEMBLING
(1) Separating Rear Axle Case
[2] SERVICING
5 BRAKES
MECHANISM
1. LINKAGE
[1] ROPS
(1) HST Type
(2) Manual Type
[2] CABIN (HST TYPE)
2. OPERATION
SERVICING
1. TROUBLESHOOTING
2. SERVICING SPECIFICATIONS
3. TIGHTENING TORQUES
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
[2] DISASSEMBLING AND ASSEMBLING
(1) Brake Pedal (Cabin HST Model)
(2) Brake Pedal (ROPS Manual Transmission Model)
(3) Brake Pedal (ROPS HST Model)
(4) Parking Brake Lever
(5) Separating Rear Axle Case
[3] SERVICING
6 FRONT AXLE
MECHANISM
1. STRUCTURE
[1] 4 WHEEL DRIVE MODEL
SERVICING
1. TROUBLESHOOTING
2. SERVICING SPECIFICATIONS
3. TIGHTENING TORQUES
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
[2] DISASSEMBLING AND ASSEMBLING
(1) Separating Front Axle Assembly
(2) Disassembling Front Axle Assembly
[3] SERVICING
7 STEERING
MECHANISM
1. HYDRAULIC CIRCUIT
2. STEERING CONTROLLER
3. STEERING CYLINDER
4. HYDRAULIC PUMP
SERVICING
1. TROUBLESHOOTING
2. SERVICING SPECIFICATIONS
3. TIGHTENING TORQUES
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING
(1) Relief Valve
(2) Hydraulic Pump for Power Steering
[2] DISASSEMBLING
(1) Separating Power Steering Controller (CABIN Type)
(2) Separating Power Steering Controller (ROPS Type)
(3) Power Steering Controller (ROPS Type)
(4) Power Steering Cylinder
[3] SERVICING
(1) Power Steering Cylinder
8 HYDRAULIC SYSTEM
MECHANISM
1. HYDRAULIC CIRCUIT
[1] MANUAL TRANSMISSION MODEL (WITHOUT BI-SPEED TURN)
[2] MANUAL TRANSMISSION MODEL (WITH BI-SPEED TURN)
[3] HST MODEL
2. HYDRAULIC PUMP
3. THREE POINTS HYDRAULIC SYSTEM
[1] HYDRAULIC CIRCUIT
(1) Manual Transmission Model (Without Front Loader Valve)
(2) HST Model (With Front Loader Control Valve)
[2] RELIEF VALVE
(1) Manual Transmission Model (Without Front Loader Valve)
(2) HST Model (With Front Loader Control Valve)
[3] POSITION CONTROL VALVE
(1) Structure
(2) Operation
[4] FEEDBACK LINKAGE FOR POSITION CONTROL
4. FRONT LOADER CONTROL VALVE (IF EQUIPPED)
[1] STRUCTURE
[2] OPERATION
5. REMOTE CONTROL VALVE (IF EQUIPPED)
6. HYDRAULIC OUTLET
[1] MANUAL TRANSMISSION MODEL
(1) Front Hydraulic Outlet
(2) Rear Hydraulic Outlet
[2] HST MODEL
(1) Rear Hydraulic Outlet
SERVICING
1. TROUBLESHOOTING
2. SERVICING SPECIFICATIONS
3. TIGHTENING TORQUES
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
(1) Hydraulic Pump (For 3-Point Hitch Hydraulic System)
(2) Hydraulic Pump (For Power Steering, Bi-speed Turn, PTO Clutch and HST)
(3) 3-Points Hitch Relief Valve
(4) Lift Arm
[2] DISASSEMBLING AND ASSEMBLING
(1) Hydraulic Pump
(2) 3-Point Hitch
(3) Separating Hydraulic Cylinder From Tractor Body (ROPS Model)
(4) Separating Hydraulic Cylinder From Tractor Body (CABIN Model)
(5) 3-Points Hitch: Hydraulic Cylinder
(6) Front Loader Control Valve Assembly (If Equipped)
(7) Remote Control Valve (If Equipped)
[3] SERVICING
9 ELECTRICAL SYSTEM
MECHANISM
1. WIRING DIAGRAM
[1] ROPS MODEL (EXCEPT FOR B3150)
[2] B3150 ROPS
[3] CABIN MODEL
2. ENGINE STARTING SYSTEM AND STOPPING SYSTEM
[1] OPC SYSTEM CIRCUIT
[2] CONTROLLER
[3] SAFETY SWITCH
(1) PTO Select Lever Switch (Only Model With Mid PTO)
(2) PTO Clutch Lever Switch
(3) HST Pedal Switch (HST Model)
(4) Shuttle Shift Lever Switch (Manual Transmission Model)
(5) Seat Switch
(6) Parking Brake Switch
[4] STARTER
[5] KEY STOP SOLENOID
[6] GLOW PLUG
3. CHARGING SYSTEM
[1] ALTERNATOR
[2] IC REGULATOR
4. LIGHTING SYSTEM
[1] HEAD LIGHT
[2] TURN SIGNAL LIGHT
[3] HAZARD LIGHT
[4] BEACON
[5] BRAKE LIGHT
[6] WORK LIGHT (CABIN MODEL ONLY)
[7] TRAILER SOCKET
5. INSTRUMENT PANEL
[1] EASY CHECKERâ„¢
[2] GAUGES AND OTHER INDICATORS
[3] ERROR CODE DISPLAY (CABIN MODEL ONLY)
[4] SWITCHES AND SENSORS
SERVICING
1. TROUBLESHOOTING
2. SERVICING SPECIFICATIONS
3. TIGHTENING TORQUES
4. CHECKING AND ADJUSTING
[1] BATTERY
[2] FUSE
[3] RELAYS
(1) Relays (ROPS Model)
(2) Relays (CABIN Model)
[4] STARTING SYSTEM
(1) Key Switch
(2) Safety Switches
(3) OPC Controller
(4) Key Stop Solenoid
(5) Starter
(6) Glow Plug
[5] CHARGING SYSTEM
(1) Alternator
[6] LIGHTING SYSTEM
(1) Combination Switch (ROPS Model)
(2) Combination Switch (CABIN Model)
(3) Hazard Switch (Cabin Model Only)
(4) Beacon Switch
(5) Flasher Unit
(6) Brake Lamp Switch
(7) Work Light Switch (CABIN Model Only)
(8) Dome Light (CABIN Model Only)
[7] WARNING LAMP, INDICATOR LAMP AND GAUGE
(1) Instrument Panel (ROPS Model)
(2) Instrument Panel (CABIN Model)
(3) Engine Oil Pressure Switch
(4) Coolant Temperature Sensor (ROPS Model)
(5) Coolant Temperature Sensor (CABIN Model)
(6) Fuel Sensor
(7) Bi-speed Turn Switch
(8) Engine Rotation Sensor (CABIN Model Only)
(9) Display Switch
5. DISASSEMBLING AND ASSEMBLING
[1] STARTER
[2] ALTERNATOR
6. SERVICING
[1] STARTER
[2] ALTERNATOR
10 CABIN
MECHANISM
1. OUTLINE OF AIR CONDITIONING SYSTEM
[1] STRUCTURE
[2] AIR CONDITIONING SYSTEM
2. REFRIGERATION SYSTEM
[1] COMPRESSOR
(1) Pressure Relief Valve
(2) Magnetic Clutch
[2] CONDENSER
[3] RECEIVER
[4] AIR CONDITIONER UNIT
(1) Evaporator
(2) Heater Core
3. SYSTEM CONTROL
4. ELECTRICAL SYSTEM
[1] ELECTRICAL CIRCUIT
[2] RELAY
SERVICING
1. TROUBLESHOOTING
2. SERVICING SPECIFICATIONS
3. TIGHTENING TORQUES
4. PRECAUTIONS AT REPAIRING REFRIGERANT CYCLE
[1] HANDLING OF SERVICE TOOLS
(1) Manifold Gauge Set
(2) Refrigerant Charging Hose
(3) Vacuum Pump Adaptor
(4) Electric Gas Leak Tester
(5) Can Tap Valve
(6) T-joint
(7) R134a Refrigerant Recovery and Recycling Machine
5. CHECKING AND CHARGING REFRIGERANT CYCLE
[1] CHECKING WITH MANIFOLD GAUGE
[2] DISCHARGING, EVACUATING AND CHARGING
(1) Discharging the System
(2) Evacuating the System
(3) Charging the System
(4) Checking Charging Refrigerant Amount
6. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
(1) Compressor
(2) Control Panel (Blower Switch, A/C Switch, Mode Control Dial and Temperature Control Dial)
(3) Blower Resistor
(4) Blower Motor
(5) Temperature Motor
(6) Mode Motor
(7) Air Conditioner Relay and Blower Relay
(8) Pressure Switch
(9) Wiper Switch
(10) Wiper Motor
(11) Defogger
[2] DISASSEMBLING AND ASSEMBLING
(1) Separating Cabin from Tractor Body
(2) Removing Compressor Assembly
(3) Removing Receiver and Condenser
(4) Removing Air Conditioner Unit
(5) Removing Air Conditioner Pipes
(6) Removing Heater Hoses
(7) Cabin Windshields
(8) Wiper Motor
[3] SERVICING

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