New Holland Backhoe Loader B90B to B115B Tier 3 Repair Manual 87643850BNA 2008

Description

Contents:
Section 00 – Safety Precautions
Section 01 – Maintenance
Section 02 – Technical Specifications
1. Loader Backhoe Models
2. Identification Of Main Components.
3. Technical Specifications.
3.1 Diesel Engine
3.2 Transmission
3.3 Axles
3.4 Brakes
3.5 Steering.
3.6 Hydraulic System
3.7 Front Counterweight
3.8 Noise And Vibration Levels
3.9 Buckets
3.10 Tyres.
4. Dimensions And Performance
4.1 Dimensions – 2ws – B90b – B95b – B95blr – B110b.
4.2 Dimensions – 2ws – B95btc
4.3 Dimensions – 4ws – B115b
4.4 Loader Attachment Performance
4.5 Performance Of Loader Attachment With Forks
4.6 Backhoe Attachment Performance.
5. Backhoe Attachment Lifting Capacity
6. Fluid And Lubricant Capacities And Specifications
Section 17 – Torque Converters
1. Powershuttle Torque Converter
1.1 Description And Operation
1.2 Technical Specifications
1.3 Overhaul
1.4 Inspection.
1.5 Disassembly And Assembly.
1.6 Stall Test
1.7 Fault Finding
2. Powershift Torque Converter
2.1 Description And Operation
2.2 Technical Specifications
2.3 Overhaul
2.4 Inspection.
2.5 Disassembly And Assembly.
2.6 Stall Test
Section 21 – Transmission
1. Powershuttle Transmission “Turner Model Com-T4-2025”
1.1 Technical Specifications
1.2 Tightening Torques
1.3 Transmission Controls.
1.4 Lubrication.
1.5 Transmission Oil Flow And Supply
1.6 Transmission Hydraulic Valves And Pressure Test Points.
1.7 Transmission Power Flow
1.8 Transmission 2wd Components
1.9 Transmission 4wd Components
1.10 Transmission Removal
1.11 Disassembly And Assembly.
1.12 Fault Finding
1.13 Special Tools.
2. Powershift Transmission “Dana T16000”
2.1 Technical Specifications
2.2 Transmission Controls.
2.3 Lubrication.
2.4 Pressure Specifications And Check Points
2.5 Transmission Cooler
2.6 Transmission Hydraulic Diagram
2.7 Operation
2.8 Power Flows
2.9 Gear And Clutch Lay Out
2.10 Transmission / Engine Removal From Loader.
2.11 Transmission Components.
2.12 Disassembly And Assembly.
2.13 Special Tools.
2.14 Fault Finding
2.15 Fault Finding
Section 25 – Front Axles
1. Front Axle 2wd “Carraro”
1.1 Technical Specifications
1.2 Disassembly And Assembly.
1.3 Fault Finding
2. Front Axle 4wd “Carraro”
2.1 Technical Specifications
2.2 Disassembly And Assembly.
2.3 Fault Finding
3. Front Axle 4ws “Carraro”
3.1 Technical Specifications
3.2 Disassembly And Assembly.
3.3 Fault Finding
4. Special Tools
Section 27 – Rear Axle
1. Rear Axle 2ws
1.1 Description And Operation.
1.2 Technical Specifications
1.3 Disassembly And Assembly.
1.4 Fault Finding
2. Rear Axle 4ws “Carraro”
2.1 Technical Specifications
2.2 Disassembly And Assembly.
2.3 Fault Finding
3. Special Tools
Section 33 – Brake System
1. Technical Specifications.
2. Hand Brake.
2.1 Hand Brake Adjustment
3. Brake Master Cylinders
3.1 Brake Reservoir.
3.2 Brake Bleeding Procedure
Section 35 – Hydraulic System
1. Hydraulic Diagrams
1.1 Hydraulic Diagram – 2ws Mechanical Models Center Pivot –
B90b – B95b – B95blr – B110b
1.2 Hydraulic Diagram – 2ws Pilot Models Center Pivot – B90b – B95b – B95blr – B110b
1.3 Hydraulic Diagram – 2ws Mechanical Models Center Pivot – B95btc
1.4 Hydraulic Diagram – 2ws Pilot Models Center Pivot – B95btc
1.5 Hydraulic Diagram – 4ws Mechanical Models Center Pivot – B115b
1.6 Hydraulic Diagram – 4ws Pilot Models Center Pivot – B115b
1.7 Hydraulic Diagram – Quick Coupler For B95btc
2. Hydraulic Pump
2.1 Description And Operation
2.2 Technical Specifications
2.3 Load Sensing Valve
2.4 Removal
2.5 Components
2.6 Disassembly And Assembly.
3. Control Valves
3.1 Control Valves “Husco” (B90b – B95b – B95blr – B95btc – B110b
Mechanical Models)
3.2 Control Valves “Rexroth” (B115b Mechanical Models)
3.3 Control Valves “Rexroth” (B90b – B90blr – B95blr – B110b – B115b Pilot Models)
3.4 Solenoid Valve For Piloting The Backhoe Control Valve
(With Hydraulic Control)
3.5 Accumulator “Glide Ride” Parker
3.6 System Relief Valves
4. Hydraulic Swing System 1
4.1 Description And Operation 1
4.2 Hydraulic Oil Flow 1
4.3 Precision Swing Control 1
5. Hydraulic Cylinders
5.1 Loader Cylinder
5.2 Loader Bucket Cylinder
5.3 4×1 Bucket Cylinder
5.4 Backhoe Boom Cylinder
5.5 Backhoe Dipper Cylinder
5.6 Backhoe Bucket Cylinder.
5.7 Telescopic Cylinder
5.8 Stabilizers Cylinder.
5.9 Swing Cylinder
5.10 Special Tools.
6. Pilot Hydraulic Control Levers
6.1 Technical Specifications
6.2 Description And Operation
6.3 Disassembly And Assembly.
6.4 Pilot Hydraulic Control Valve
7. Fault Finding
7.1 Preliminary Checks.
7.2 Fault Finding (With “Husco” Control Valves)
7.3 Fault Finding (With “Rexroth” Control Valves).
Section 39 – Chassis
1. Description And Operation.
2. Removal And Installation Components.
2.1 Components Within The Chassis.
2.2 Components Below The Chassis
2.3 Components Attached Outside The Chassis.
2.4 Components Attached Above The Chassis.
2.5 Tightening Torques
Section 41 – Steering System
1. Steering System 2ws
2. Steering System 4ws
3. Power Steering
3.1 Technical Specifications
3.2 Components
3.3 Disassembly And Assembly.
3.4 Special Tools.
3.5 Fault Finding
Section 50 – Cab Heating And Air Conditioning
1. Technical Specifications.
2. Cab Heating
2.1 Description And Operation
3. Air Conditioning.
3.1 Principals Of Air Conditioning
3.2 Safety Precautions
3.3 Description And Operation
3.4 Fault Finding And Testing.
3.5 Flushing The System
3.6 Evacuating The System.
3.7 Charging The System.
3.8 Components Overhaul
3.9 Compressor
3.10 Special Tools
Section 55 – Electrical System
1. Generalities.
1.1 Temporary Wiring Harness Repair
1.2 Fault Finding.
2. Electrical Diagrams.
2.1 Electrical Diagrams – Powershuttle Rops (B90b).
2.2 Electrical Diagrams – Powershuttle Cab (B90b)
2.3 Electrical Diagrams – Powershuttle Rops (B95b – B110b).
2.4 Electrical Diagrams – Powershuttle Cab (B95b – B110b)
2.5 Electrical Diagrams – Powershift Cab (B110b)
2.6 Electrical Diagrams – Powershift 4ws Cab (B115b).
3. Controls And Instruments
3.1 Front Instrument Panel
3.2 Calibration Of Speedometer
3.3 Side Instrument Panel (B90b)
3.4 Side Instrument Panel (B95b – B110b – B115b)
3.5 Side Instrument Cluster (B90b).
3.6 Side Instrument (B95b – B110b – B115b).
3.7 Immobiliser System.
4. Diagnostics Display (B95b – B110b – B115b)
4.1 Symbols.
4.2 Setup Menu
4.3 Procedure About Self Test
4.4 On Board Error Code Retrieval
4.5 Backlighting And Dimming
4.6 Work Hours.
4.7 Functional Description
4.8 Maintenance
4.9 Warning Messages
5. Starting System
5.1 Description And Operation.
5.2 Fault Finding.
5.3 Starter Motor.
6. Alternator.
6.1 Technical Specifications.
6.2 Description And Operation.
6.3 Components
6.4 Removal
6.5 Preliminary Check And Tests.
6.6 Fault Finding.
7. Battery
7.1 Technical Specifications
7.2 Description And Operation
7.3 Removal And Installation
7.4 Maintenance.
7.5 Tests
7.6 Connecting A Booster Battery
7.7 Battery Master Switch
8. Component Testing
8.1 General Introduction
8.2 Component Testing
8.3 Ground Points.
8.4 Key-Start And Stop Switch
8.5 Alternator.
8.6 Transmissions
8.7 Parking Brake Switch.
8.8 Cab
8.9 4wd Switch
8.10 Brake Pedal Switches
8.11 Brake Oil Level Lamp
8.12 Front Work Lamp Switch – Rear Work Lamp Switch (2) Main Light Switch
8.13 Hazard Switch
8.14 Flasher Relè
8.15 Multi Function Switch
8.16 Front Wiper Motor (1) – Rear Wiper Motor (2)
8.17 4ws -Steering Selector Switch
8.18 Steering Control Unit.
8.19 4ws Rear Axle Steering Sensor.
8.20 4ws Front Axle Steering Sensor
8.21 Steering Solenoid Valve.
8.22 Differential Lock Switch (1)
8.23 Loader
8.24 Backhoe
8.25 Reversing Buzzer.
8.26 Fuel Level Indicator.
Section 82 – Loader
1. Loader Attachment Controls.
2. Loader Bucket Self Leveling
3. Loader Attachment Safety Strut
4. Loader Bucket Removal
4.1 Replacing Bucket Teeth
5. Loader Arm Removal
5.1 Loader Arm Removal (B90b – B95b – B110b).
5.2 Loader Arm Removal (B95btc – B115b)
Section 84 – Backhoe
1. Description And Operation.
2. Backhoe Attachment Mechanical Controls
3. Backhoe Attachment Hydraulic Controls
4. Removal And Installation
4.1 Backhoe Bucket Removal
5. Telescopic Dipper (HED) Revision