Kubota Lawn Tractor T2090BR-AU T2290KW-AU T2290KWT-AU Workshop Manual – PDF DOWNLOAD

Kubota Lawn Tractor T2090BR-AU T2290KW-AU T2290KWT-AU Workshop Manual – PDF DOWNLOAD

FILE DETAILS:

Kubota Lawn Tractor T2090BR-AU T2290KW-AU T2290KWT-AU Workshop Manual – PDF DOWNLOAD

Language : English
Pages : 191
Downloadable : Yes
File Type : PDF
Size: 70 MB

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Kubota Lawn Tractor T2090BR-AU T2290KW-AU T2290KWT-AU Workshop Manual – PDF DOWNLOAD

TO THE READER
This Workshop Manual tells the servicing personnel about the mechanism, servicing and maintenance of the
T2090BR-AU, T2290KW-AU, T2290KWT-AU. It contains 4 parts: “Information”, “General”, “Mechanism”, and
“Servicing”.
Information
This section primarily contains information below.
Safety first
Safety decal
• Specifications
• Dimensions
General
This section primarily contains information below.
• Engine identification
• Model identification
• General precautions
• Maintenance check list
• Check and maintenance
• Special tools
Mechanism
This section contains information on the structure and the function of the unit. Before you continue with the
subsequent sections, make sure that you read this section.
Refer to the latest version of Workshop Manual (Code No. 9Y021-18200) for the Tractor mechanism that this
Workshop Manual does not include.
Servicing
This section primarily contains information below.
Troubleshooting
• Servicing specifications
• Tightening torques
• Checking, disassembling and servicing
All illustrations, photographs and specifications contained in this manual are of the newest information available at the
time of publication.
Kubota reserves the right to change all information at any time without notice.
Since this manual includes many models, information or illustrations and photographs can show more than one
model.

TABLE OF CONTENTS:

Kubota Lawn Tractor T2090BR-AU T2290KW-AU T2290KWT-AU Workshop Manual – PDF DOWNLOAD

1 INFORMATION
SAFETY FIRST 1-1
1 Before you start service 1-1
2 Start safely 1-1
3 Operate safely 1-2
4 Prevent a fire 1-2
5 Keep a good airflow in the work area 1-3
6 Discard fluids correctly 1-3
7 Prevent acid burns 1-3
8 Prepare for emergencies 1-3
SAFETY DECALS 1-5
1 Safety decals 1-5
2 Care of danger, warning and caution labels 1-10
SPECIFICATIONS 1-11
1 Specifications 1-11
DIMENSIONS 1-13
2 GENERAL
IDENTIFICATION 2-1
1 Serial number 2-1
GENERAL PRECAUTIONS 2-3
HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING 2-5
1 Handling of wiring 2-5
2 Battery 2-6
3 Handling of fuse 2-7
4 Connector 2-7
5 Handling of circuit tester 2-8
6 Col or of wiring 2-8
LUBRICANTS AND FUEL 2-9
1 Hydrostatic transmission (T2290KWT-AU) 2-10
TIGHTENING TORQUES 2-11
1 General use screws, bolts, and nuts 2-11
2 Stud bolts 2-11
3 Hydraulic fittings 2-12
3 1 Hydraulic hose fittings 2-12
3 2 Hydraulic pipe cap nuts 2-12
3 3 Adapters, elbows, and others 2-13
4 Metric screws, bolts and nuts 2-14
5 American standard screws, bolts and nuts with UNC or UNF threads 2-14
6 Plugs 2-14
SERVICE INTERVALS 2-15
CHECK AND MAINTENANCE 2-19
1 Open the bonnet 2-19
1 1 Bonnet 2-19
1 2 Removing engine cover 2-19
2 Daily check 2-20
2 1 Checking engine start system 2-20
2 2 Checking OPC system 2-20
2 3 Checking PTO control system 2-21
2 4 Checking engine oil level 2-21
2 5 Checking amount of fuel and refueling 2-22
2 6 Checking cooling air intake screen 2-23
2 7 Oiling 2-23
3 Check points of every 25 hours 2-24
T2090BR-AU,T2290KW-AU ,T2290KWT-AU iii
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3 1 Cleaning air cleaner element 2-24
4 Check points of every 50 hours 2-25
4 1 Checking brake pedal 2-25
4 2 Checking tire pressure 2-25
4 2 1 Inflation pressure 2-25
4 3 Checking air cleaner element (T2290KW-AU, T2290KWT-AU) 2-26
5 Check points of every 100 hours 2-26
5 1 Changing engine oil 2-26
5 2 Replacing engine oil filter (T2090BR-AU) 2-27
5 3 Cleaning engine shroud 2-28
5 4 Checking spark plug 2-28
5 5 Adjusting throttle cable (T2090BR-AU) 2-29
5 6 Adjusting throttle cable (T2290KW-AU, T2290KWT-AU) 2-29
5 7 Adjusting choke cable (T2290KW-AU, T2290KWT-AU) 2-30
5 8 Checking the battery condition 2-30
5 9 Replacing air cleaner paper element 2-31
5 10 Checking fuel filter 2-31
5 11 Cleaning air cleaner paper element (T2290KW-AU, T2290KWT-AU) 2-32
6 Check points of every 200 hours 2-33
6 1 Replacing air cleaner paper element (T2290KW-AU, T2290KWT-AU) 2-33
6 2 Replacing engine oil filter 2-34
7 Check points of every 300 hours 2-35
7 1 Cleaning combustion chamber (T2290KW-AU, T2290KWT-AU) 2-35
7 2 Checking engine valve seats and clearance 2-35
8 Check points of every 500 hours 2-35
8 1 Adjusting the electric clutch 2-35
8 2 Cleaning combustion chamber (T2090BR-AU) 2-36
9 Check points of every 600 hours 2-36
9 1 Replacing transaxle filter (T2290KWT-AU) 2-36
9 2 Changing transaxle fluid 2-37
10 Check points of every 1 year 2-37
10 1 Checking fuel line 2-37
10 2 Replacing spark plug 2-38
10 3 Checking engine valve clearance 2-38
11 Check points of every 4 years 2-38
11 1 Replacing fuel line 2-38
12 Service as required 2-38
12 1 Replacing fuses 2-38
12 2 Replacing bulbs 2-38
12 3 Checking and replacing blade 2-38
12 4 Replacing mower belt 2-40
SPECIAL TOOLS 2-41
1 Special tools for machine 2-41
1 1 Spanner wrench 2-41
2 Special tools for engine 2-41
2 1 Oil pressure tester 2-41
2 2 Compression tester 2-41
3 ENGINE
MECHANISM········ ············ ···· ····· ····· ····· ····· ····· ···· ······ ·· ··· ······· ···· ·········· ············ ······ ········ ············· ····· ·· ····· ···· ····· ·· ·· 3-1
1 Structure of engine 3-1
2 Fuel system 3-2
2 1 Structure of fuel system 3-2
3 Lubrication system 3-3
4 Cooling system 3-3
SERVICING 3-5
1 Troubleshooting for engine 3-5
2 Servicing specifications for engine 3-8
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3 Tightening torques for engine 3-9
4 Checking and adjusting 3-10
5 Disassembling and assembling 3-10
5 1 Separating engine 3-10
5 1 1 Dismounting mower deck 3-10
5 1 2 Removing battery 3-10
5 1 3 Removing bonnet 3-11
5 1 4 Removing underbonnet 3-11
5 1 5 Disconnecting cables 3-11
5 1 6 Removing tension spring 3-11
5 1 7 Removing electric clutch 3-12
5 1 8 Removing HST pulley 3-12
5 1 9 Disconnecting fuel hoses 3-13
5 1 10 Disconnecting wire harness 3-13
5 1 11 Removing muffler cover and muffler 3-13
5 1 12 Removing engine 3-14
4 TRANSAXLE
MECHANISM ····· ·· ·· ···· ···· ········ ········· ·· ···· ··· ····· ······ ······· ····· ························································•············ ··· ··· ······ ··4-1
1 Function of transaxle 4-1
2 Structure of transaxle 4-1
3 Transaxle specification 4-1
SERVICING 4-3
1 Troubleshooting for transaxle 4-3
2 Servicing specifications for transaxle 4-4
3 Tightening torques for transaxle 4-5
4 Checking and adjusting 4-6
4 1 Adjusting HST maximum speed 4-6
4 2 Checking and replacing HST belt 4-6
4 3 Adjusting HST rod 4-6
5 Disassembling and assembling 4-6
5 1 Separating transaxle 4-6
5 1 1 Dismounting mower 4-6
5 1 2 Removing rear wheel 4-6
5 1 3 Separating transaxle 4-7
5 1 4 Removing HST pulley and cooling fan 4-8
5 2 Disassembling transaxle 4-8
5 2 1 Disassembling hydrostatic transaxle 4-8
5 3 Removing fuel tank 4-8
5 3 1 Removing battery 4-8
5 3 2 Removing seat 4-8
5 3 3 Removing fender 4-9
5 3 4 Removing fuel tank 4-9
5 BRAKES
MECHANISM 5-1
1 Structure of brake pedal and parking brake 5-1
2 Structure of brake assembly 5-2
SERVICING 5-5
1 Troubleshooting for brakes 5-5
2 Servicing specifications for brakes 5-6
3 Tightening torques for brakes 5-7
4 Checking and adjusting 5-8
4 1 Adjusting brake spring 5-8
5 Disassembling and assembling 5-8
5 1 Removing parking brake system 5-8
5 1 1 Removing battery 5-8
5 1 2 Removing bonnet 5-9
T2090BR-AU T2290KW-AU,T2290KWT-AU V
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5 1 3 Removing underbonnet 5-9
5 1 4 Removing steering wheel and panel 5-9
5 1 5 Removing parking wire 5-10
5 2 Separating brake rod 5-10
5 2 1 Removing brake rod (T2090BR-AU, T2290KW-AU) 5-10
5 2 2 Removing brake rod (T2290KWT-AU) 5-10
6 FRONT AXLE ASSEMBLY
MECHANISM 6-1
1 Structure of front axle 6-1
SERVICING 6-3
1 Troubleshooting for front axle 6-3
2 Servicing specifications for front axle 6-4
3 Tightening torques for front axle 6-5
4 Checking and adjusting 6-6
4 1 Adjusting toe-in 6-6
5 Disassembling and assembling ··· ·· ······ ··· ··· ······ ··· ······ ······ ············ ···· ········ ··· ········· ·· ·· ··· ···· ···· ·· ········· ····· ······· 6-6
5 1 Separating front wheel and wheel bracket 6-6
5 1 1 Dismounting mower 6-6
5 1 2 Removing battery 6-6
5 1 3 Removing bonnet 6-7
5 1 4 Removing muffler cover and muffler 6-7
5 1 5 Removing drag link 6-7
5 1 6 Removing front wheel 6-7
5 1 7 Separating front axle assembly 6-8
7 STEERING
MECHANISM 7-1
1 Structure of steering system 7-1
SERVICING 7-3
1 Troubleshooting for steering 7-3
2 Servicing specifications for steering 7-4
3 Tightening torques for steering 7-5
4 Checking , disassembling, and servicing 7-6
4 1 Checking steering wheel play 7-6
5 Disassembling and assembling 7-6
5 1 Dismounting mower 7-6
5 2 Removing battery 7-6
5 3 Removing bonnet 7-6
5 4 Removing underbonnet 7-6
5 5 Disconnecting cables 7-7
5 6 Removing electric clutch 7-7
5 7 Removing HST pulley 7-8
5 8 Removing HST belt 7-8
5 9 Disconnecting fuel hoses 7-8
5 10 Disconnecting wire harness 7-9
5 11 Removing muffler cover and muffler 7-9
5 12 Removing engine 7-9
5 13 Removing steering wheel and panel 7-10
5 14 Removing center pin bolt, sector gear and steering shaft 7-11
8 LIFT SYSTEM
MECHANISM ·· ······ ············ ···· ····· ····· ····· ····· ····· ···· ······ ·· ··· ······· ···· ·········· ············ ······ ········ ··· ·········· ····· ·· ····· ···· ····· ·· ··8-1
1 Structure of lift system 8-1
SERVICING 8-3
1 Troubleshooting for lift system 8-3
2 Tightening torques for lift system ··· ······ ··············· ······ ······ ············ ···· ········ ··· ········· ·· ·· ··· ···· ···· ·· ········· ···· ··· ····· 8-4
3 Checking and adjusting ·· ··· ···· ······ ··· ·· ··· ···· ·· ······· ······ ···· ·· ·· ···· ·· ···· ········ ···· ······ ········· ···· ····· ····· ····· ··· ······· ·· ······ 8-5
3 1 Inspecting gas spring 8-5
vi T2090BR-AU, T2290KW-AU, T2290KWT-AU
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3 2 Adjusting lift link 8-5
4 Disassembling and assembling 8-5
4 1 Removing mower 8-5
4 2 Removing seat 8-5
4 3 Removing cutting height adjusting dial 8-6
4 4 Removing fender 8-6
4 5 Removing link assembly 8-6
4 6 Removing gas spring 8-6
9 ELECTRICAL SYSTEM
MECHANISM ····· ·· ········ ·· ·············· ····· ···· ·········· ········ ······ ···· ········· ······ ··· ···· ······ ··· ······· ·· ······ ··· ···· ···· ··· ···· ··· ······ ······ ·· 9-1
1 Wiring diagram 9-1
1 1 Wiring diagram 9-1
2 Structure of Kubota reverse awareness (KRA) system 9-3
2 1 KRA system electrical circuit 9-4
2 1 1 Operating mode 1, 2: Speed control pedal from neutral to reverse 9-6
2 1 2 Override mode 3: Speed control pedal to neutral or to forward 9-7
2 1 3 Override mode 4: Speed control pedal to reverse 9-8
2 1 4 Override mode 5: Reset 9-9
SERVICING··················· ···· ···· ···· ······· ··············· ····· ·········· ··· ·· ······ ···· ·· ·· ··········· ··· ········ ········ ·· ·····•··· ·· ·· ······· ·· ········ 9-11
1 Troubleshooting for electrical system 9-11
2 Servicing specifications for electrical system 9-16
3 Tightening torques for electrical system 9-17
4 Checking and adjusting 9-18
4 1 Battery 9-18
4 1 1 Checking battery voltage 9-18
4 1 2 Checking battery terminal connection 9-18
4 1 3 Checking battery specific gravity 9-18
4 2 Starting system 9-19
4 2 1 Checking connector voltage of main switch 9-19
4 2 2 Checking starter B terminal voltage 9-20
4 2 3 Checking starter 9-21
4 3 Electrical equipment 9-21
4 3 1 Safety switches 9-21
4 3 2 Electric PTO clutch 9-24
4 3 3 Relays 9-25
4 3 4 Hour meter 9-25
4 3 5 12 V outlet 9-26
4 3 6 Checking engine oil pressure indicator lamp 9-26
4 3 7 Checking engine oil pressure switch continuity 9-27
4 4 KRA system 9-27
4 4 1 Checking reverse switch continuity 9-27
4 4 2 Checking KRA system unit connector battery voltage 9-27
4 4 3 Checking KRA system unit connector terminal continuity 9-28
5 Disassembling and assembling 9-28
5 1 Disassembling electric PTO clutch 9-28
10 MOWER
MECHANISM 10-1
1 Structure for mower 10-1
2 Power transmission for mower 10-3
3 Structure of mower blades 10-4
SERVICING 10-5
1 Troubleshooting for mower 10-5
2 Servicing specifications for mower 10-7
3 Tightening torques for mower 10-8
4 Checking and adjusting 10-9
4 1 Leveling mower deck 10-9
T2090BR-AU,T2290KW-AU,T2290KWT-AU vii
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4 1 1 Adjusting anti-scalp rollers 10-9
4 1 2 Checking mower deck level (side-to-side) 10-9
4 1 3 Checking mower deck level (front-to-rear) 10-10
5 Disassembling and assembling 10-11
5 1 Dismounting mower deck 10-11
5 2 Mounting mower deck 10-12
5 3 Replacing mower belt 10-12
5 4 Disassembling mower deck 10-13
5 4 1 Removing tension pulley and mower belt 10-13
5 4 2 Removing idler pulleys 10-13
5 4 3 Removing blade 10-14
5 4 4 Removing blade shaft and pulley holder 10-15
5 4 5 Removing front plates 10-15