New Holland 8N Boomer Service Manual Tractor 84307374

Factory Service Manual For New Holland 8N Boomer Tractor. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: English
Pages: 947
Number: 84307374
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

New Holland Compact Tractor

Boomer 8N

Contents

-GENERAL INFORMATION
Introduction
Precautionary Statements
Personal Safety
Machine Safety and Information
Technical Information
Hardware
Working Safety
Safety Decals
General Information
Universal Symbols
Specifications
General Dimensions
Minimum Hardware Tightening Torques
Special Tools
Tire Ballast and Pressures
-ENGINE
Specifications
Metric Bolt Torque Specifications
Special Tools
Description of Operation
Troubleshooting
Overhaul – Engine
Temperature Sending Switch and Alternator
Fan, Water Pump, and External Oil Tube
Air Inlet Manifold
Rocker Arm Shaft and Support Bracket
Cylinder Head
Valve Tappet
Fuel Shutoff Solenoid
Engine Timing Gear Cover, Timing Gears, and Cam Shaft
Timing Gear Cover Removal
Timing Gears and Camshaft
Oil Sump
Oil Suction Pipe and Strainer
Balancer Assembly
Connecting Rods, Bearings, and Pistons, Rings
Flywheel
Backplate and Oil Seal
Crankshaft and Main Bearings
Cylinder Head
Inspection and Repair
Valve Seats
Valves
Valve Guides
Valve Springs
Rocker Arms
Push Rods
Cylinder Head
Cylinder Block
Pistons
Piston Rings
Connecting Rods
Pin to Bushing Clearance
Connecting Rod Bearing
Clearance Check
Pistons, Rings, and Connecting Rod
Crankshaft – Main Bearing and Thrust Washer
Crankshaft
Bearing (Bushing)
Main Bearing
Port Block
Timing Gear
Camshaft
Flywheel
Timing Gear Housing
Front Oil Seal and Steering Pump Seal
Crankshaft and Bearing Holder
Rear Oil Seal and Backplate
Flywheel
Pistons and Connecting Rods
Balancer Assembly
Balancer Shims
Oil Suction Pipe and Suction Strainer
Oil Sump
Camshaft and Camshaft Gear
Idler Gear, Oil Pump, and Injection Timing
Timing Gear Cover
Crankshaft Pulley
Fuel Injection Pump
Hydraulic Oil Pump
Power Steering Pump
Head Gasket Selection
Selection Chart
Cylinder Head
Valve Clearance
Valve Cover
Water Pump and Cooling Fan
External Oil Tube
Glow Plug and Connector
Fuel Injector
Fuel Piping
Description of Operation – Engine Lubrication System
Description of Operation – Cooling System
Overhaul – Cooling System
-FUEL SYSTEM
Specifications
Torque Specifications
Special Tools
Description of Operation – Injection Pump
Troubleshooting
Calibration/Adjustments
Description of Operation – Governor
Troubleshooting — Engine Breather Valve
-TRANSMISSION-CVT TRANSMISSION
Front Transmission Box
Installing the Front Transmission Box to the Differential Housing
Front Transmission Box
Forward/Reverse Shuttle Clutch
Forward Clutch Calibration
Reverse Clutch Calibration
-TRANSMISSION-REAR TRANSMISSION
Bolt Torque Specifications
Metric Bolt Torque Specifications
Special Tools
Description of Operation
Overhaul
-FWD FRONT AXLE
Specifications
Bolt Torque Specifications
Special Tools
Description of Operation – FWD Front Axle
Troubleshooting
Lubrication
Overhaul – Standard FWD Axle
-FWD FRONT AXLE-4WD CVT TRANSMISSION
4WD Engage/Disengage Theory of Operation
Oil Flow
4WD Engagement
4WD Disengagement
4WD Engage/Disengage Troubleshooting
Mechanical Operation
4WD Pressure Test
-DIFFERENTIAL AND REAR AXLE-DFFERENTIAL
Specifications
Bolt Torque Specifications
Metric Bolt Torque Specifications
Special Tools
Description of Operation
Overhaul
Ring Gear and Pinion Gear Pattern Specification and Adjustment
-DIFFERENTIAL AND REAR AXLE-REAR AXLE
Rear Axle
-POWER TAKE-OFF (PTO) SYSTEMS
Specifications
Metric Bolt Torque Specifications
Special Tools
Description of Operation
Pressure Testing
Overhaul
– MID POWER TAKE-OFF (PTO) SYSTEM
Power Flow
Mid PTO Components
Mid PTO
Mid PTO Components
-BRAKES
Specifications
Bolt Torque Specifications
Description of Operation
Overhaul
-HYDRAULIC SYSTEM
Introduction and Circuit Identification
Schematic View of Hydraulic System
Hydraulic Circuit Diagram
– HYDRAULIC PUMP
Specifications
Description of Operation – Hydraulic Pump and Filter
– HYDRAULIC LIFT ASSEMBLY
Specifications
Tightening Torques
Sealants
Special Tools
Description and Operation – Hydraulic System
Description of Operation – PIV Manifold Block
Pressure Testing
Description of Operation – Remote Valves
Front Remote (Two Spool) Loader Control Valve Fluid Flow Diagrams
Troubleshooting
-STEERING – STANDARD WD
Specifications
Metric Bolt Torque Specifications
Special Tools
Description of Operation – FWD Front Axle
Troubleshooting
Pressure Testing
Lubrication
Overhaul
-STEERING – CONTROL MOTOR, PUMP
Specifications
Metric Bolt Torque Specifications
Special Tools
Control Motor
Overhaul
-ELECTRICAL
Bolt Torque Specifications
Description of Operation
-ELECTRICAL-SCHEMATIC
-ELECTRICAL- ADIC (INSTRUMENT CONTROL PANEL)
ADIC (Instrument Control Panel)
ADIC Programming
-PLATFORM
Hood
Rear Hood Panel
Dash Console
Seat
ROPS
Fuel Tank
Fenders
Platform

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