Complete service repair manual for John Deere 750 Excavators, with workshop information to maintain, repair, and rebuild like professional mechanics.

John Deere 750 Excavators workshop service & repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

TM1810 - John Deere 750 Excavator Technical Manual - Repair.PDF
TM1810 - John Deere 750 Excavator Technical Manual - Repair.EPUB

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Total Pages: 889 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English

TABLE OF CONTENTS
Foreword
   Technical Information Feedback Form
   General Information
      Safety
      General Specifications
      Torque Values
      Fuels and Lubricants
      Predelivery Assembly Instructions
   Tracks
      Track System
   Axles and Suspension Systems (Propel)
      Axle Shaft, Bearings and Reduction Gears
      Hydraulic System
   Engine
      Removal and Installation
   Engine Auxiliary System
      Cold Weather Starting Aids
      Cooling System
      Speed Controls
      Intake System
      External Fuel Supply Systems
   Connector Drive
      Elements
   Transfer or Splitter Drive
      Removal and Installation
      Gears, Shafts and Bearings
   Electrical System
      Batteries, Support and Cables
      Alternator, Regulator and Charging System Wiring
      Wiring Harness and Switches
      System Controls
      Instruments and Indicators
   Frame or Supporting Structure
      Frame Installation
      Chassis Weights
   Operator`s Station
      Removal and Installation
      Operator Enclosure
      Seat and Seat Belt
      Heating and Air Conditioning
   Safety and Convenience
      Horn and Warning Devices
   Excavator
      Buckets
      Frames
      Hydraulic System
   Swing or Pivoting System
      Mechanical Drive Elements
      Hydraulic System
   Dealer Fabricated Tools
      Dealer Fabricated Tools

tm1810 - 750 Excavator

Table of Contents

Foreword

Technical Information Feedback Form

Section 00: General Information

Group 0001: Safety

Follow Safe Procedures

Prepare for Emergencies

Handle Fluids Safely-Avoid Fires

Prevent Battery Explosions

Handle Chemical Products Safely

Prevent Acid Burns

Avoid High-Pressure Fluids

Warn Others of Service Work

Park Machine Safely

Support Machine Properly

Operate Only from Operator's Seat

Stay Clear of Moving Parts

Avoid Power Lines

Use Handholds and Steps

Keep Riders Off Machine

Move and Operate Machine Safely

Wear Protective Clothing

Protect Against Flying Debris

Protect Against Noise

Illuminate Work Area Safely

Service Machines Safely

Remove Paint Before Welding or Heating

Avoid Heating Near Pressurized Fluid Lines

Beware of Exhaust Fumes

Use Proper Lifting Equipment

Service Cooling System Safely

Dispose of Waste Properly

Work in a Clean Area

Use Tools Properly

Replace Safety Signs

Live With Safety

Group 0002: General Specifications

750 Excavator Overview

750 Excavator

Working Ranges

Engine Specifications

Drain and Refill Capacities

Lift Capacity-KG (LB)

Group 0003: Torque Values

Hardware Torque Specifications

Unified Inch Bolt and Screw Torque Values

Metric Bolt and Screw Torque Values

Additional Metric Cap Screw Torque Values

Check Oil Lines And Fittings

Service Recommendations for O-Ring Boss Fittings

Service Recommendations For Flat Face O-Ring Seal Fittings

Service Recommendations for 37° Flare and 30° Cone Seat Connectors

Service Recommendations For Flared Connections-Straight or Tapered Threads

Service Recommendations For Inch Series Four Bolt Flange Fittings

Service Recommendations for Metric Series Four Bolt Flange Fitting

Group 0004: Fuels and Lubricants

Diesel Fuel

Lubricity of Diesel Fuels

Low Sulfur Diesel Fuel Conditioner

Diesel Fuel Storage

Fuel Tank

Do Not Use Galvanized Containers

Grease

Diesel Engine Oil

Hydraulic Oil

Swing Gearbox, Propel Gearbox and Pump Gearbox Oils

Track Roller, Front Idler, and Carrier Roller Oil

Track Adjuster, Working Tool Pivot, Swing Bearing, and Swing Bearing Gear Grease

Oil Filters

Lubricant Storage

Alternative and Synthetic Lubricants

Mixing of Lubricants

Group 0006: Predelivery Assembly Instructions

Specifications

Precautions for Assembling

Precautions for Lifting Work

Precautions for Operating Machine

Avoid High-Pressure Fluids

Installing Boom Cylinder

Installing Boom

Connecting Hoses Between Boom and Machine

Connecting Boom Cylinder Rod

Installing Arm

Connecting Arm Cylinder Rod

Connecting Bucket Cylinder Hoses

Installing Bucket

Adjusting Bucket Linkage

Attach Windshield Wiper

Retracting the Side Frame

Extending the Side Frame

Check Hydraulic Oil Level

Lubricate Working Tool Pivots

Installing Counterweight (Without Hydraulic Removal Option)

Counterweight Installation (With Hydraulic Removal Option)

Section 01: Tracks

Group 0130: Track System

Essential Tools

Service Equipment and Tools

Other Material

Specifications

Measure Lower Track Roller Wear

Remove and Install Lower Track Roller

Disassemble and Assemble Lower Track Roller

Inspect Metal Face Seals

Measure Track Carrier Roller Wear

Remove and Install Track Carrier Roller

Disassemble and Assemble Track Carrier Roller

Measure Track Shoe Grouser Wear

Remove and Install Track Shoe

Measure Track Chain Link Wear

Measure Track Chain Bushing Wear

Measure Track Chain Pitch

Remove Track Chain

Install Track Chain

Disassemble and Assemble Track Chain

Track Sag Adjustment

Remove and Install Sprocket

Measure Front Idler Wear

Remove and Install Front Idler

Disassemble Front Idler

Assemble Front Idler

Remove and Install Track Adjuster Cylinder and Recoil Spring

Disassemble and Assemble Track Adjuster Cylinder

Disassemble Track Adjuster Recoil Spring

Assemble Track Adjuster Recoil Spring

Section 02: Axles and Suspension Systems (Propel)

Group 0250: Axle Shaft, Bearings and Reduction Gears

Service Equipment and Tools

Other Material

Specifications

Remove and Install Propel Gearbox

Disassemble Propel Gearbox

Inspect Metal Face Seals

Assemble Propel Gearbox

Group 0260: Hydraulic System

Service Equipment and Tools

Other Material

Specifications

Remove and Install Propel Motor and Brake

Propel Motor Start-Up Procedure

Disassemble and Assemble Propel Motor and Brake

Remove and Install Propel Motor Crossover Relief Valves

Remove and Install Speed Selector Valve

Remove and Install Counterbalance Valve

Disassemble and Assemble Counterbalance Valve

Remove and Install Rotary Manifold

Disassemble and Assemble Rotary Manifold

Rotary Manifold Air Test

Remove and Install Propel Speed Change Solenoid Valve

Remove and Install Propel Flow Regulator

Disassemble and Assemble Propel Flow Regulator

Section 04: Engine

Group 0400: Removal and Installation

Essential Tools

Specifications

14L (875 cu. in.) N14 Series Cummins Engine

Remove and Install Engine

Inspect Crankcase Ventilation Tube

Measure and Adjust Injector and Engine Valve Clearances

Remove and Install Starting Motor

Section 05: Engine Auxiliary System

Group 0505: Cold Weather Starting Aids

Other Material

Remove and Install Starting Aid Solenoid and Nozzle

Group 0510: Cooling System

Service Equipment and Tools

Specifications

Remove and Install Fan, Shroud, and Guard

Remove and Install Fan Belt

Remove and Install Water Pump Belt

Remove and Install Alternator Belts

Inspect Belts and Check Tension

Remove and Install Radiator

Group 0515: Speed Controls

Service Equipment and Tools

Other Material

Specifications

Remove and Install Speed Control Linkage

Engine Speed Control Linkage Adjustment

Remove and Install Engine Controller (EC) Motor and Sensor

Engine Speed Programming Procedure After Battery Disconnection

Disassemble and Assemble Engine Controller (EC) Motor and Sensor

Group 0520: Intake System

Specifications

Remove and Install Air Cleaner

Air Intake Leakage Check

Group 0560: External Fuel Supply Systems

Specifications

Remove and Install Fuel Tank

Section 07: Connector Drive

Group 0752: Elements

Remove and Install Connector Drive Coupling

Section 08: Transfer or Splitter Drive

Group 0800: Removal and Installation

Specifications

Remove and Install Pump Drive Gearbox

Group 0851: Gears, Shafts and Bearings

Specifications

Disassemble and Assemble Pump Drive Gearbox

Section 16: Electrical System

Group 1671: Batteries, Support and Cables

Service Equipment and Tools

Specifications

Handle Batteries Safely

Engine Speed Programming Procedure After Battery Disconnection

Procedure for Testing Batteries

Check Battery Electrolyte Level and Terminals

Using Booster Batteries-24 Volt System

Charging Battery

Remove and Install Batteries

Adding 12 or 24 Volt Accessories

Group 1672: Alternator, Regulator and Charging System Wiring

Alternators and Starting Motors-Use CTM77

Service Equipment and Tools

Specifications

Remove and Install Alternator

Alternator Belt Tension Adjustment

Group 1674: Wiring Harness and Switches

Essential Tools

Engine and Frame Harness (W1) Component Location Diagram

Cab Harness (W2) Component Location Diagram

Monitor and Relay Harness (W3) Component Location Diagram

Connecting Engine Controller (EC) and Pump and Valve Controller (PVC) Harness Connector

Disconnect Tab Retainer Connectors

Disconnecting Spring Wire Clip Connectors

Replacing Fuses

Fuse (Blade-Type) Color Codes

Remove and Install Key Switch

Replace DEUTSCHDEUTSCH is a trademark of the Deutsch Co. Connectors

Install DEUTSCHDEUTSCH is a trademark of the Deutsch Co. Contact

Replace WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector

Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contact

Remove Connector Body from Blade Terminals

Group 1675: System Controls

Welding On Machine

Remove and Install Engine Controller (EC) and Pump and Valve Controller (PVC)

Remove and Install Monitor Controller

Group 1676: Instruments and Indicators

Remove and Install Right Console Controller

Section 17: Frame or Supporting Structure

Group 1740: Frame Installation

Specifications

Welding On Machine

Welding Repair of Major Structure

Group 1749: Chassis Weights

Specifications

Remove and Install Counterweight (Without Hydraulic Removal Option)

Hydraulic Counterweight Removal Option Component Location

Remove Counterweight (With Hydraulic Removal Option)

Counterweight Installation (With Hydraulic Removal Option)

Section 18: Operator's Station

Group 1800: Removal and Installation

Specifications

Remove and Install Cab

Group 1810: Operator Enclosure

Service Equipment and Tools

Other Material

Remove and Install Windowpane and Two Piece Molding

Remove and Install Windowpane and One Piece Molding

Remove and Install Sliding Windows

Group 1821: Seat and Seat Belt

Specifications

Check Seat Adjustments

Remove and Install Seat

Remove and Install Seat Belt

Inspect Seat Belt

Group 1830: Heating and Air Conditioning

Essential Tools

Service Equipment and Tools

Other Material

Specifications

Proper Refrigerant Handling

R134a Refrigerant Cautions

R134a Compressor Oil Charge Check

R134a Compressor Oil Removal

R134a Component Oil Charge

R134a Refrigerant Recovery, Recycling, and Charging Station Installation Procedure

Recover R134a System

Evacuate R134a System

Charge R134a System

Check and Adjust Compressor Belt Tension

Heater and Air Conditioner Component Location

Remove and Install Air Conditioning Compressor

Disassemble and Assemble Air Conditioning Compressor

Remove and Install Receiver Dryer

Remove and Install Heater Core and Evaporator

Remove and Install Condenser

Remove and Install Heater Hoses

Air Conditioner Self-Diagnostic Procedure

Section 20: Safety and Convenience

Group 2004: Horn and Warning Devices

Remove and Install Travel Alarm

Changing Travel Alarm Volume

Section 33: Excavator

Group 3302: Buckets

Specifications

Replacing Bucket Teeth

Replacing Bucket Tooth Tip (Heavy Duty Bucket)

Welding On Machine

Remove and Install Tooth Shank

Replace Welded Bucket Cutting Edges

Repair Cracked Cutting Edge

Installing Bucket

Adjusting Bucket Linkage

Group 3340: Frames

Service Equipment and Tools

Other Material

Specifications

Remove and Install Arm

Remove and Install Boom

Inspect Arm and Boom Pins and Bushings

Remove and Install Bushings and Seals

Group 3360: Hydraulic System

Service Equipment and Tools

Other Material

Specifications

Control Lever Pattern Conversion

Electronic Control Bypass Procedure

Lower Boom With Engine Stopped

Hydraulic Oil Cleanup Procedure Using Portable Filter Caddy

Remove and Install Hydraulic Pump

Hydraulic Pump Start-Up Procedure

Disassemble Hydraulic Pump

Assemble Hydraulic Pump

Remove and Install Hydraulic Pump Angle Sensor (A Sensor)

Pump Angle Sensor Adjustment

Remove and Install Hydraulic Pump Pressure Sensor

Remove and Install Hydraulic Pump Displacement Solenoid Valve

Remove and Install Hydraulic Pump Regulator

Disassemble and Assemble Hydraulic Pump Regulator

Remove and Install Pilot Pump

Disassemble and Assemble Pilot Pump

Remove and Install Pilot Filter

Hydraulic Oil Filter Inspection Procedure

Remove and Install Case Drain Filter

Remove and Install Solenoid Valve Manifold and Pilot Pressure Regulating Valve

Disassemble and Assemble Solenoid Valve Manifold and Pilot Pressure Regulating Valve

Remove and Install Pilot Shut-Off Valve

Disassemble And Assemble Pilot Shut-Off Valve

Pilot Shut-Off Valve Linkage Adjustment

Remove and Install Pilot Check Valve Block

Disassemble and Assemble Pilot Check Valve Block

Remove and Install Dig Flow Regulator Valve

Disassemble and Assemble Dig Flow Regulator Valve

Remove and Install Swing Priority Solenoid Valve

Disassemble and Assemble Swing Priority Solenoid Valve

Remove and Install Dig and Swing Function Pilot Shuttle Check Valve

Disassemble and Assemble Dig and Swing Function Pilot Shuttle Check Valve

Remove and Install Pilot Controller

Disassemble and Assemble Dig Function Pilot Controller

Remove and Install Propel Function Pilot Check Valve

Disassemble and Assemble Propel Function Pilot Check Valve

Remove and Install Propel Pilot Controller

Disassemble and Assemble Propel Pilot Controller

Remove and Install Counterweight Pilot Controller

Disassemble and Assemble Counterweight Pilot Controller

Remove and Install Main Control Valve

Disassemble and Assemble Main Control Valve

Disassemble and Assemble System Relief Valve

Disassemble and Assemble Circuit Relief and Anti-Cavitation Valve

Remove and Install Pressure Differential (DP) Sensor

Remove and Install Boom Cylinder

Remove and Install Arm Cylinder

Remove and Install Bucket Cylinder

Remove and Install Counterweight Lift Cylinder

Disassemble Boom, Arm, Bucket, or Counterweight Cylinder

Assemble Boom, Arm, Bucket or Counterweight Cylinder

Hydraulic Cylinder Bleeding Procedure

Remove and Install Hydraulic Oil Cooler

Remove and Install Hydraulic Oil Cooler Bypass Valve

Remove and Install Restriction Valve

Remove and Install Hydraulic Oil Tank

Section 43: Swing or Pivoting System

Group 4350: Mechanical Drive Elements

Service Equipment and Tools

Other Material

Specifications

Remove and Install Swing Gearbox

Swing Gearbox Start-Up Procedure

Disassemble Swing Gearbox

Assemble Swing Gearbox

Remove Upperstructure

Install Upperstructure

Remove and Install Swing Bearing

Disassemble And Assemble Swing Bearing

Install Swing Bearing Upper Seal

Install Swing Bearing Lower Seal

Group 4360: Hydraulic System

Service Equipment and Tools

Other Material

Specifications

Remove and Install Swing Motor and Brake

Swing Motor Start-Up Procedure

Disassemble Swing Motor and Brake

Assemble Swing Motor and Brake

Remove And Install Swing Brake Release Valve

Remove And Install Crossover Relief Valves And Make-Up Valves

Section 99: Dealer Fabricated Tools

Group 9900: Dealer Fabricated Tools

Rotary Manifold Lifting Tool

DFT1077 Spool Holding Fixture

DFT1177 Propel Gearbox Nut Wrench

John Deere 750 Excavator Service Repair Manual (TM1810)