International Harvester Tractor Loader BackHoe Service Manual

Description

This International Harvester Tractor Loader BackHoe Service Manual is a reproduction manual that provides detailed service information, step-by-step repair instruction and maintenance specifications for International Harvester TLB gas and diesel tractors, loaders and backhoes.   The supplier states it covers 3444, but the manual  doesn’t specifically mention the 3444.   Manual mentions :

2050 AND 3050 SERIES LOADERS
1622 TRUCK-MOUNTED BACKHOE
3121,3131 AND 3141 BACKHOES
3122-A, 3141-A, 3142 AND 3142-A
3152 BACKHOE
3082 BACKHOE

1-424 and B-414 Series Tractors

Table of Contents

SPECIFICATIONS
Service Procedures
Cylinder Head Installation
Multi-piece Oil Control Ring Installation
Connecting Rod Bearing Installation
Camshaft Bearing Installation
Lubricating Oil Pump Removal (Engine Model BC-144 Only)
Gear Train Timing
Break-In Procedure of Rebuilt Diesel Engines
Break-In Procedure of Rebuilt Gasoline Engines

MANUAL STEERING AND FRONT AXLE
General Information
Steering Shaft Service
Front Axle Pivot Pin
Removal
Inspection and Repair
Reassembly and Installation
Steering Gear
Removal and Disassembly
Inspection and Repair
Reassembly
Front Axle Steering Knuckle
Disassembly
Inspection and Repair
Reassembly
Front Wheels and Bearings
Removal and Disassembly
Inspection and Repair
Assembly on the Axle

POWER STEERING 1-424 and B-414 TRACTORS
Specifications
424 Scries Power Steering
General
Principles of Operation
Manual Steering
Power Steering
Control Valve
Manual Pump
Cessna Flow Divider
Control Valve Service
Manual Pump Service
Flow Divider Service
Steering Cylinder Service (Single Acting)
Filling and Venting the System
Testing the System
General
Control Valve Performance
Pump Performance
Testing Procedures
Trouble Shooting Chart
B-414 Series Power Steering
General
Manual Steering
Power Assist
Principles of Operation
R91 Cylinder
R92 Cylinder
Relief Valve Block
Flow Divider
Steering Cylinder Service (R91 and R92 cylinders)
Relief Valve Block Service
Flow Divider Service
Trouble Shooting Chart
Testing Procedures

POWER TRAIN 424 SERIES TRACTORS
SPECIFICATIONS
PRINCIPLES OF OPERATION
Standard Eight Speed Transmission
Continuous Running PTO
Dual Stage Clutch;
Basic Eight Speed Transmission (Hollow Countershaft) and
Single Stage Clutch
Forward and Reverse (F & R) Attachment
Transmission Driven PTO
Basic Eight Speed Transmission (Solid Countershaft) and
Single Stage Clutch
Four Pinion Differential with Differential Lock
Disc Brakes
ENGINE-CLUTCH HOUSING SPLIT
ENGINE-CLUTCH HOUSING RECOUPLING
Preparation before Recoupling
Single Stage Clutch
Dual Stage Clutch
Recoupling
Clutch Pedal Adjustments
TRANSMISSION AND DIFFERENTIAL
Splitting the Tractor
Standard Eight Speed Transmission with Continuous Running PTO and Dual Stage Clutch
Basic Eight Speed Transmission with Forward and Reverse, Single
Stage Clutch and Transmission Driven PTO
Basic Eight Speed Transmission with Single Stage Clutch
TRANSMISSION
Removal and Disassembly
Standard Eight Speed Transmission with Continuous Running PTO and Dual Stage Clutch
Basic Eight Speed Transmission with Forward and Reverse, Single
Stage Clutch and Transmission Driven PTO
Basic Eight Speed Transmission with Single Stage Clutch
Inspection and Repair
Reassembly
Standard Eight Speed Transmission with Continuous Running PTO and
Dual Stage Clutch
Basic Eight Speed Transmission with Forward and Reverse, Single
Stage clutch and Transmission Driven PTO
Basic Eight Speed Transmission with Single Stage Ulutcn
DIFFERENTIAL
Removal and Disassembly
Inspection and Repair
Reassembly
Checks and Adjustments
Bevel Gear and Pinion Mating Numbers
Preloading the Bevel Pinion Bearings
Preloading the Differential Carrier Bearings
Adjusting Cone Center Depth
Backlash Adjustment
Checking Tooth Bearing Contact
RECOUPLING THE TRACTOR
Standard Eight Speed Transmission with Continuous Running PTO and
Dual Stage Clutch
Basic Eight Speed Transmission with Forward and Reverse, Single
Stage Clutch and Transmission Driven PTO
Basic Eight Speed Transmission with Single Stage Clutch
FORWARD AND REVERSE (FAR) ATTACHMENT
CONTINUOUS RUNNING PTO
TRANSMISSION DRIVEN PTO
BRAKES

TORQUE CONVERTER AND SHUTTLE TRANSMISSION Model: 3414 Loader Tractor
Torque Converter and Shuttle Transmission
Fluid Flow
Shuttle Transmission
Principles of Operation
Removal
Disassembly
Inspection and Repair
Reassembly
Installation
Charging Pump Service
Control Valve Service
Hydraulic Torque Converter
General
Principles of Operation
Removal and Disassembly
Inspection and Repair
Reassembly and Installation
Control Valve Linkage Adjustment
Testing the Engine, Torque Converter and Shuttle Transmission
Trouble Shooting

Testing and Servicing of Hitch Components 1-424 and B-414 Series Tractors
Special Service Tools Required
Testing of Hitch Components
Servicing of Hitch Components through the Top Cover
General Removal
Draft Control Spool Safety Linkage
Main Relief and Non-Return Valve
General Reassembly

HITCH AND AUXILIARY HYDRAULIC SYSTEM for 1-424 and B-414 Series Tractors
Draft Control
General Description
Principles of Operation
Position Control
Draft Control
Fast-Slow Lift Control
Non-Return Valve
Relief Valve
Trouble Shooting Chart
Test Procedures
424 Series with Hitch and Power Steering
424 and B-414 Series with Hitch Only
Specifications
Servicing Procedures
Removal and Disassembly
Removal of Complete Hitch
Draft Control Spring Assembly
Control Quadrant and Shaft
Rockshaft
Control Valve
Cylinder Head
Piston
Regulator, Position Plunger and Draft Spool
Relief and Non-Return Valve
Cleaning, Inspection and Repair
Cleaning
Inspection
Repair
Reassembly and Installation
Relief and Non-Return Valve
Regulator, Position Plunger and Draft Spool
Piston
Cylinder Head
Control Valve
Rockshaft
Control Quadrant and Shaft
Draft Control (Old Style)
Draft Control (New Style)
Complete Hydraulic Lift
Adjustment
Setting the Draft Control
Setting the Position Control
Position Control Valve Spring Test
Schematic Hydraulic System of 424 Series
Auxiliary Valves
Spring Specifications
Gresen Hydraulic Control Valve
Principles of Operation
Servicing Procedures
Auxiliary Valves
Principles of Operation
Fluid Flow Through the Auxiliary Valve Circuit (Two Valves)
Servicing Procedures
Hydraulic Pump
Single Pump
Dual Pump
Three Point Draft Control Hitch
General Description
Top Link
Lift Rod
Leveling Rod (Early Style)
Leveling Rod (New Style)
Three Point Linkage Drawbar

2050 AND 3050 SERIES LOADERS
1622 TRUCK-MOUNTED BACKHOE
3121,3131 AND 3141 BACKHOES
3122-A, 3141-A, 3142 AND 3142-A
3152 BACKHOE
3082 BACKHOE