New Holland TK75VA, TK80A, TK80M Crawler Tractor Service Manual
639 pages · Publication 87582124
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What's inside
From the manual's own table of contents: 39 sections, 273 entries. See sample pages (PDF, 738 KB)
General Instructions11 topics
- Important Notice
- Shimming
- Rotating Shaft Seals
- O-Rings
- Sealers
- Bearings
- Spring Pins
- Precautionary Notice
- Equipment Notice
- Spare Parts Notice
- General Notices
Health and Safety4 topics
- Health and Safety Precautions
- General Workshop Tools and Equipment
- Legal Aspects
- Lubricants and Greases
Safety7 topics
- The Tractor
- Driving the Tractor
- Operating the Tractor
- Operating the PTO
- Servicing the Tractor
- Diesel Fuel
- ROPS
California Emission Control Warranty Statement1 topic
- Lubricants
Show all 39 sections
Engine Overhaul19 topics
- Engine
- Removal
- Installation
- Compression Test
- Disassembly
- Assembly
- Mounting the Balancing Device with Counter-rotating Weights
- Bearings and Thrust Rings
- Mounting the Rear Cover With Seal and Engine Flywheel
- Seal Installation
- Relation To Cylinder Block Face
- Synchronizing the Timing Gears
- Installing the Counter-rotating Weight Box to the Oil Sump
- Installing the Bosch Injection Pump
- Installing the Cylinder Head Gasket
- Installing and Tightening the Cylinder Head
- Valve / Rocker Arm Clearance Adjustment
- Installing Fuel Injectors
- Cooling System Belt Tension Adjustment
Checks, Measurements and Repairs of Components41 topics
- Cylinder Block
- Crankshaft, Main Bearings and Flywheel
- Crankshaft
- Flywheel
- Connecting Rods
- Pistons
- Camshaft, Tappets and Valves
- Valves
- Tappets
- Camshaft
- Cylinder Head
- Valve Guides
- Valve Seats In Cylinder Head
- Injector Sleeves
- Cylinder Head Bolts
- Counterweight Balancer
- Lubrication System Maintenance
- Engine Oil Pump Servicing
- Low Oil Pressure Indicator
- Cooling System Maintenance
- Radiator Servicing
- Testing Cooling System Thermometer
- Replacing the Thermostat
- Drive Belts Tension Adjustment
- Radiator
- Crankshaft Front Oil Seal
- Valve--Rocker Arm Clearance
- Rear Fuel Tank
- Front Fuel Tank
- Injectors
- Bosch Injection Pump
- Timing
- Air Bleeding
- Timing Injection Pump Off the Tractor
- Installing the Injection Pump Onto the Engine
- TK75VA, TK90A, TK90MA, TK100A Models
- Exhaust Pipe
- Coolant Pump
- Thermostatic Valve
- Coolant Pump and Alternator Drive Belt
- Tension Adjustment
Adjustments3 topics
- Power Take-Off (PTO) Clutch
- Lever Adjustment
- Main Clutch
Overhaul6 topics
- Clutch
- Dual Disk Clutch 11.5 ″
- PTO Clutch Adjustment
- Main Clutch Adjustment
- Shuttle
- Gearbox and Range Gear
Description and Operation71 topics
- Sectional Views
- Gearbox and Shuttle
- Rear Transmission Housing -- Gearbox
- Gearbox Driving Shaft Clearance Adjustment
- Lateral Final Drives
- Bevel Gear
- Final Drive
- Rear Transmission-Gearbox Housing (Model TK75VA)
- Removal--Installation
- Adjustments
- Left-Hand Final Drive Casing (Model TK75VA)
- Final Drive Driven Gear
- Mechanical PTO
- Service Brakes
- Parking Brake
- Brake Unit
- Steering Clutch Right or Left-Hand Hub Seal
- Braking Unit Hydraulic Actuator
- Actuator Assembly
- Implement Hitching Device
- Hydraulic Pump
- Lift Oil Flow
- Hydraulic Lift (model TK75VA)
- Removal--Refitting
- Hydraulic Lift (models TK80A, TK90A, and TK100A)
- Lift Adjustment
- Rod Mechanism Adjustments
- Lift Control Valve
- Lifting
- Lowering
- Float Operation
- Auxiliary Control Valves
- Valve Leakage Test
- Adjustment of the Automatic Detent Release Pressure
- Flow Control Valve
- Flow Control Adjustment
- Steering Clutches
- Operation
- Steering Clutches Internal Control
- Steering Clutches Hydraulic Control Valve
- Steering Clutch Pressure Adjustment
- Chains
- Shoes
- Link
- Front Suspension
- Rear Suspension
- Chain Tightener Wheel
- Chain Tightener Wheel with Bushings
- Chain Tightener Wheel with Ball Bearings
- Chain Tightener Device
- Support Rollers
- Supporting Roller
- Analog Instrument Panel for Model TK75VA
- Analog Instrument Panel for Model TK80A, TK90A, and TK100A
- Fuel Gauge
- Rev Counter
- Engine Cooling Liquid Temperature Indicator
- Transmitters, Sensors and Switches
- Central Console Panel
- Analog Control Panel
- Hazard Warning Lights Switch
- Lights/Horn Switch
- Side/tail Lights
- Dipped Beam Headlights
- Full Beam Headlights
- Horn
- Swivel Lights Switch
- Direction Indicators Switch
- Central Console Controls
- Starter Key Switch
- Thermostart Pushbutton
Bulb Replacement4 topics
- Front Head Lamp
- Front Sidelight and Direction Indicator Lamp
- Work Light Bulbs On Tractors With Roll Bar
- Rear Sidelights, Brake and Direction Indicator Light
System Testing8 topics
- Starting System Test on Tractor
- Current Absorbed on the Starter Motor Circuit
- Starting System Circuit Resistance (Voltage Drop)
- Positive Battery Cable
- Starter Motor Ground Connections
- Battery Ground Lead
- Starter Motor
- Bench Tests
System Testing and Troubleshooting29 topics
- Precautions
- Preliminary Checks
- Preliminary Tests
- Alternator Wire Connection Tests
- Alternator Charging Current and Regulated Voltage
- Voltage Drops in the Alternator Charging Circuit
- Alternator Component Tests
- Alternator
- Testing Before Disassembly
- Rotor and Regulator Field Circuit Test
- Checking the Continuity of Three Stator Windings
- Checking the Diodes
- Excitation Diodes Test
- Positive Power Diode Tests
- Negative Power Diode Tests
- Rotor
- Pins Connected to Brushes
- Repair
- Battery
- Battery Maintenance
- Relative Density
- Battery Servicing
- Dry-charged Batteries
- Charging the Battery
- Normal charging (Top Off)
- Charging Extremely Flat Batteries
- Battery Testing
- Performance Test
- Battery Problems -- Causes
Location of Components8 topics
- Main Wiring
- Fuses and Relays
- Fusebox
- Relays
- Symbols Used In Electrical Circuits
- Wire Color Coding
- Wiring Diagrams and Connections Identification Code
- Connectors
Electrical Circuits4 topics
- Starter and Recharging Circuit
- Operator Safety Circuit
- Sensors And Transmitters Circuit
- Horn, Power Socket and Seven Pole Coupling Circuit
Diagnostics18 topics
- Power Supply -- Battery
- Starter Switch
- Thermostarter Push-Button
- Engine Stop Electromagnet
- Horn and Power Socket
- Tale/Side Lights
- Number Plate Light
- Full Beam Headlights Indicator Lamp
- Hazard and Direction Indicator Lights
- Swivel Position Lights
- Work Lights
- Instruments
- Engine Coolant Temperature Sensor
- Fuel Level Transmitter
- Engine Oil Pressure Sensor
- Air Filter Clogged Sensor
- Water Sediment in Fuel Filter Sensor
- Checking Procedure for Sensors and Transmitters Circuits to Ground
Inside this manual
Real pages from this service manual (639 pages). Open the sample pages (PDF, 737 KB)
- Troubleshooting, page 181: SECTION 18 -- CLUTCH -- CHAPTER 1
- Specifications, page 541: SECTION 55 -- ELECTRICAL SYSTEM -- CHAPTER 5
- Diagram, page 613: SECTION 55 -- ELECTRICAL SYSTEM -- CHAPTER 6
- Color page, page 72: SECTION 10 -- ENGINE -- CHAPTER 1
- Color page, page 412: SECTION 35 -- HYDRAULIC SYSTEMS -- CHAPTER 2
- Foldout diagram, page 574: SECTION 55 -- ELECTRICAL SYSTEM -- CHAPTER 6
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the TK75VA, TK80A are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 639 pages
Quantity one is the manual described above.
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Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).