John Deere 744H Loader 744H MH Material Handler Operation and Test Technical Manual (TM1602)

John Deere 744H Loader 744H MH Material Handler Index:

• Contents
  • General Information
    • Safety Information
      • Recognize Safety Information
      • Follow Safety Instructions
      • Operate Only If Qualified
      • Wear Protective Equipment
      • Avoid Unauthorized Machine Modifications
      • Add Cab Guarding For Special Uses
      • Inspect Machine
      • Stay Clear Of Moving Parts
      • Avoid High-Pressure Fluids
      • Beware Of Exhaust Fumes
      • Prevent Fires
      • Prevent Battery Explosions
      • Handle Chemical Products Safely
      • Dispose of Waste Properly
      • Prepare for Emergencies
      • Use Steps And Handholds Correctly
      • Start Only From Operator’s Seat
      • Use And Maintain Seat Belt
      • Prevent Unintended Machine Movement
      • Avoid Work Site Hazards
      • Use Special Care When Operating Loader
      • Keep Riders Off Machine
      • Avoid Backover Accidents
      • Avoid Machine Tip Over
      • Operating on Slopes
      • Operating Or Traveling On Public Roads
      • Inspect and Maintain ROPS
      • Add And Operate Attachments Safely
      • Park And Prepare For Service Safely
      • Service Cooling System Safely
      • Remove Paint Before Welding or Heating
      • Make Welding Repairs Safely
      • Drive Metal Pins Safely
  • Operational Checkout Procedure
    • Operational Checkout Procedure
      • Complete Machine Operational Checkout
        • Checking and Clearing Diagnostic Trouble Codes From Monitor
        • Monitor Indicator and Gauge Checks—Engine Off
        • Transmission Controls, Neutral Start Switch, and Reverse Warning Alarm Switch Checks
        • Monitor Indicator and Gauge Checks—Engine Running
        • Brake System, Clutch Cut-Off, and Differential Lock Checks
        • Driving Checks
        • Hydraulic System Checks
        • Steering System Checks
        • Accessory Checks
        • Cab Component And Vandal Protection Checks
  • Engine
    • Theory of Operation
      • Electronic Fuel Systems
      • Air Cleaner Operation
    • System Operational Checks
      • Engine Operational Checks
        • Cooling System Checks
        • Air System Checks
        • Lubrication System Checks
        • Fuel System Checks
        • Engine Speed and Performance Checks
      • Engine Diagnostic Trouble Codes for Lucas Engine Controller (S.N. —573732)
      • Engine Diagnostic Trouble Codes John Deere Engine Controller (S.N. 573733—)
    • Diagnostic Information
      • Diagnose Engine Malfunctions
    • Tests
      • Air Filter Restriction Indicator Switch Test
      • Radiator Air Flow Test (S.N.—581927)
      • Radiator Air Flow Test (S.N. 581928—)
      • Engine Power Test Using Engine Pulldown
      • Engine Power Test Using Turbocharger Boost Pressure (S.N.— 581927)
      • Engine Power Test Using Turbocharger Boost Pressure (S.N. 581928—)
      • Air Intake System Leakage Test
      • Fuel Pump Pressure Test—Dual Rail Fuel System (S.N. — 581927)
      • Fuel Pump Pressure Test—Single Rail Fuel System (S.N. 581928—)
      • Flush Fuel Rail
  • Electrical System
    • System Information
      • Electrical Diagram Information
    • System Diagrams
      • Fuse Specifications
      • Functional Schematic and Component Location Legend (S.N. — 581927)
      • Functional Schematic and Component Location Legend (S.N. 581928—)
      • System Functional Schematic Section Legend (S.N. — 581927)
      • System Functional Schematic Section Legend (S.N. 581928—)
      • System Functional Schematic (S.N. — 581927)
      • System Functional Schematic (S.N. 581928—)
      • Loader Frame Harness (W2) Component Location
      • Loader Frame Harness (W2) Connectors, Wire and Pin Location
      • Load Center Harness (W3) Component Location
      • Load Center Harness (W3) Connectors, Wire and Pin Location
      • Front Console Harness (W4) Component Location
      • Front Console Harness (W4) Component Location Mating Connectors
      • Front Console Harness (W4) Connectors, Wire and Pin Location
      • Engine Frame Harness (W5) Component Location
      • Engine Frame Harness (W5) Connectors, Wire and Pin Location
      • Engine Harness (W6) Component Location
      • Engine Harness (W6) Connectors, Wire and Pin Location
      • Engine Air Heater Harness (W7) Component Location
      • Engine Air Heater Harness (W7) Connectors, Wire and Pin Location
      • Return-to-Dig Harness (W8) Component Location
      • Return-to-Dig Harness (W8) Connectors, Wire and Pin Location
      • Ride Control Harness (W9) Component Location
      • Ride Control Harness (W9) Connectors, Wire and Pin Location
      • Transmission Harness (W10) Component Location
      • Transmission Harness (W10) Connectors, Wire and Pin Location
      • Rear Frame Harness (W13) Component Location
      • Rear Frame Harness (W13) Connectors, Wire and Pin Location
      • LPM Mode Harness (W14) Component Location (If Equipped)
      • LPM Mode Harness (W14) Connectors, Wire and Pin Location
      • License Plate Light Harness (W15) Component Location
      • License Plate Light Harness (W15) Connector, Wire and Pin Location
      • Pin Disconnect Harness (W16) Component Location
      • Pin Disconnect Harness (W16) Connectors, Wire and Pin Location
      • Secondary Steering Switch Harness (W17) Component Location
      • Secondary Steering Switch Harness (W17) Connectors, Wire and Pin Location
      • Cab Work Lights Harness (W19) Component Location
      • Cab Work Lights Harness (W19) Connectors, Wire and Pin Location
      • Blower/Air Conditioning Harness (W20) And Component Location Drawing (S.N. —581927)
      • Connectors For Blower And A/C Harness (W20)
      • Converter and Power Plug Harness (W21) Component Location
      • Converter and Power Plug Harness (W21) Connectors, Wire and Pin Location
      • Secondary Steering Pump Motor Harness (W23) Component Location
      • Secondary Steering Pump Motor Harness (W23) Connectors, Wire and Pin Location
      • Battery (Cables) Harness (W24) Component Location
      • Engine Valve Cover Harness (W33) Component Location
      • Engine Valve Cover Harness (W33) Connectors, Wire and Pin Location
      • Radio Harness (W34) Component Location (S.N. —572398)
      • Radio Harness (W34) Component Location (S.N. 572399—578925)
      • Radio Harness (W34) Component Location (S.N. 578926—)
      • Electric Air Adjust Seat Harness (W36) Component Location
      • CAN Terminator Harness (W37) Component Location
    • Sub-System Diagnostics
      • 24V System Power Circuit Operational Information (S.N. — 581927)
      • 24V System Power Circuit Theory of Operation (S.N. — 581927)
      • 24V System Power Circuit Functional Schematic (S.N. — 581927)
      • 24V System Power Circuit Operational Information (S.N. 581928—)
      • 24V System Power Circuit Theory of Operation (S.N. 581928—)
      • 24V System Power Circuit Functional Schematic (S.N. 581928—)
      • Charging Circuit Operational Information (S.N. —581927)
      • Charging Circuit Theory of Operation (S.N. —581927)
      • Charging Circuit Functional Schematic (S.N. —581927)
      • Charging Circuit Operational Information (S.N. 581928—)
      • Charging Circuit Theory of Operation (S.N. 581928—)
      • Charging Circuit Functional Schematic (S.N. 581928—)
      • Start Circuit Operational Information (S.N. —581927)
      • Start Circuit Theory of Operation (S.N. —581927)
      • Start Circuit Functional Schematic (S.N. —581927)
      • Start Circuit Operational Information (S.N. 581928—)
      • Start Circuit Theory of Operation (S.N. 581928—)
      • Start Circuit Functional Schematic (S.N. 581928—)
      • Engine Air Heater Circuit Specifications (S.N. —581927)
      • Engine Air Heater Circuit Operational Information (S.N. —581927)
      • Engine Air Heater Circuit Theory of Operation (S.N. —581927)
      • Engine Air Heater Circuit Functional Schematic (S.N. —581927)
      • Engine Air Heater Circuit Specifications (S.N. 581928—)
      • Engine Air Heater Circuit Operational Information (S.N. 581928—)
      • Engine Air Heater Circuit Theory of Operation (S.N. 581928—)
      • Engine Air Heater Circuit Functional Schematic (S.N. 581928—)
      • Starting Aid Circuit Operational Information (S.N. —581927)
      • Starting Aid Circuit Theory of Operation (S.N. —581927)
      • Starting Aid Circuit Functional Schematic (S.N. —581927)
      • Starting Aid Circuit Operational Information (S.N. 581928—)
      • Starting Aid Circuit Theory of Operation (S.N. 581928—)
      • Starting Aid Circuit Functional Schematic (S.N. 581928—)
      • Ride Control Circuit Specifications (S.N. —581927)
      • Ride Control Circuit Operational Information (S.N. —581927)
      • Ride Control Circuit Theory of Operation (S.N. —581927)
      • Ride Control Circuit Functional Schematic (S.N. —581927)
      • Ride Control Circuit Specifications (S.N. 581928—)
      • Ride Control Circuit Operational Information (S.N. 581928—)
      • Ride Control Circuit Theory of Operation (S.N. 581928—)
      • Ride Control Circuit Functional Schematic (S.N. 581928—)
      • Monitor Display Unit Specifications—Switches and Senders (S.N. —581927)
      • Monitor Display Unit Specifications—Switches and Senders (S.N. 581928—)
      • Monitor Display Unit Circuit Specifications—Gauge Sensors (S.N. —581927)
      • Monitor Display Unit Circuit Specifications—Gauge Sensors (S.N. 581928—)
      • Monitor Display Unit Circuit Specifications—Gauge Ranges
      • Monitor Display Unit Circuit Specifications—Gauges
      • Monitor Display Unit Specifications—Diagnostic Menu Sensors (S.N. —581927)
      • Monitor Display Unit Specifications—Diagnostic Menu Sensors (S.N. 581928—)
      • Monitor Display Unit Operational Information (S.N. —581927)
      • Monitor Display Unit Operational Information (S.N. 581928—)
      • Monitor Display Unit Theory of Operation—Function (S.N. —581927)
      • Monitor Display Unit Theory of Operation—Function (S.N. 581928—)
      • Monitor Display Unit Theory of Operation—Operating Modes (S.N. —581927)
      • Monitor Display Unit Theory of Operation—Operating Modes (S.N. 581928—)
      • Monitor Display Unit Theory of Operation—Caution and Warning Lights, and Gauges (S.N. —581927)
      • Monitor Display Unit Theory of Operation—Caution and Warning Lights, and Gauges (S.N. 581928—)
      • Monitor Display Unit Theory of Operation—Switches, Sensors and Indicator Lights (S.N. —581927)
      • Monitor Display Unit Theory of Operation—Switch and Sensor Indicators (S.N. 581928—)
      • Monitor Display Unit Diagnostic Guideline
      • Monitor Display Unit Circuit Functional Schematic
      • Monitor Display Unit—Accessing Menus (S.N. —581927)
      • Monitor Display Unit—Accessing Menus (S.N. 581928—)
      • Monitor Display Unit Menu Structure
      • Monitor Display Unit—Normal Display
      • Monitor Display Unit—Accessory Menu—Clutch Cutoff (A 01)
      • Monitor Display Unit—Accessory Menu—Quick Shift Mode (A 02)
      • Monitor Display Unit—Accessory Menu—Auto Mode to First (A 03)
      • Monitor Display Unit—Accessory Menu—Job Timer Mode (A 04)
      • Monitor Display Unit—Accessory Menu—Stop Watch Mode (A 05)
      • Monitor Display Unit—Accessory Menu—0.1 Hour Meter Mode (A 06)
      • Monitor Display Unit—Accessory Menu—Metric Units Mode (A 07)
      • Monitor Display Unit—Diagnostics Menu—Diagnostic Trouble Codes (d 01)
      • Monitor Display Unit—Diagnostics Menu—Continuity Check (d 02)
      • Monitor Display Unit—Diagnostics Menu—Battery Monitor (d 03)
      • Monitor Display Unit—Diagnostics Menu—Engine Sensors (d 04)
      • Monitor Display Unit—Diagnostics Menu—Transmission Sensors (d 05)
      • Monitor Display Unit—Diagnostics Menu—Hydraulic Sensors (d 06)
      • Monitor Display Unit—Diagnostics Menu—Fuel Sensor (d 07)
      • Monitor Display Unit—User Diagnostics Menu—LPM Mode (d 09) (744H MH)
      • Monitor Display Unit—User Diagnostics Menu—Machine ID (d 10)
      • Monitor Display Unit—Service Menu—Machine Model (S 01)
      • Monitor Display Unit—Service Menu—Tell-Tale Diagnostic Trouble Codes (S 02)
      • Monitor Display Unit—Service Menu—Tire Size (S 03)
      • Monitor Display Unit—Service Menu—Enable Options (S 06)
      • Monitor Display Unit—Service Menu—Hitachi Mode (S 07)
      • Monitor Display Unit Reconfiguration—Service Menu Access
      • Monitor Display Unit Reconfiguration—Machine Model (S 01)
      • Monitor Display Unit Reconfiguration—Tire Size (S 03)
      • Monitor Display Unit Reconfiguration—Enable Options (S 06)
      • Monitor Display Unit Reconfiguration—Delete Diagnostic Trouble Codes
      • Chassis Computer Unit Circuit Operational Information (S.N. 581928—)
      • Chassis Computer Unit Circuit Theory of Operation (S.N. 581928—)
      • Chassis Computer Unit—Intermittent Wipers Circuit Signals
      • Chassis Computer Unit—Turn and Flasher Light Signals
      • Chassis Computer Unit—Drive Lights and Work Lights Signals
      • Chassis Computer Unit—Tail/Marker Lights Signals
      • Chassis Computer Unit—High Beam Lights Signals
      • Chassis Computer Unit—Battery Monitoring Signals (S.N. 581928—)
      • Chassis Computer Unit Diagnostic Guideline (S.N. 581928—)
      • Chassis Computer Unit Circuit Functional Schematic
      • Chassis Computer Unit Circuit Connector Signals for 30-Pin Connector X33 (S.N. — 571790)
      • Chassis Computer Unit Circuit Connector Signals for 60-Pin Connector X34 (S.N. — 571790)
      • Chassis Computer Unit Circuit Connector Signals for 30-Pin Connector X33 (S.N. 571791—573732)
      • Chassis Computer Unit Circuit Connector Signals for 60-Pin Connector X34 (S.N. 571791—573732)
      • Chassis Computer Unit Circuit Connector Signals for 30-Pin Connector X33 (S.N. 573733—581927)
      • Chassis Computer Unit Circuit Connector Signals for 30-Pin Connector X33 (S.N. 581928—)
      • Chassis Computer Unit Circuit Connector Signals for 60-Pin Connector X34 (S.N. 573733—581927)
      • Chassis Computer Unit Circuit Connector Signals for 60-Pin Connector X34 (S.N. 581928—)
      • Load Performance Management (LPM) Option Circuit Specifications (744H MH)
      • Load Performance Management (LPM) Circuit Operational Information (744H MH)
      • Load Performance Management (LPM) Circuit Theory of Operation (744H MH)
      • Load Performance Management (LPM) Option Circuit Functional Schematic (744H MH) (S.N. 581928—)
      • Transmission Control Unit Circuit Specifications
      • Transmission Control Unit Circuit Operational Information
      • Transmission Control Unit Circuit Theory Of Operation
      • Transmission Control Unit Diagnostic Guideline
      • Transmission Control Unit Circuit Functional Schematic
      • Transmission Control Unit Connector Signals
      • Transmission Hydraulic Control Unit Solenoid Check
      • Transmission Modes Of Operation—Manual And Automatic
      • Transmission Functions Set At Monitor Display Unit
      • Transmission Shift Ranges In Automatic Mode
      • Transmission Control Unit Operating Modes
      • Transmission Control Unit Response To Malfunctions
      • Transmission Control Unit Inputs And Outputs
      • Back-Up Alarm, Park Brake Sensing and Park Brake Release Circuits Specifications (S.N. 581928—)
      • Back-Up Alarm, Park Brake Sensing and Park Brake Release Circuits Operational Information (S.N. 581928—)
      • Back-Up Alarm, Park Brake Sensing and Park Brake Release Circuits Theory of Operation (S.N. 581928—)
      • Back-Up Alarm, Park Brake Sensing and Park Brake Release Circuits Functional Schematic (S.N. 581928—)
      • Pilot Enable and Boom Down Circuits Operational Information (S.N. 581928—)
      • Pilot Enable and Boom Down Circuits Theory of Operation (S.N. 581928—)
      • Pilot Enable and Boom Down Circuits Functional Schematic (S.N. 581928—)
      • Return-to-Carry, Boom Height Kickout and Return-to-Dig Circuits Operational Information (S.N. 581928—)
      • Return-to-Carry, Boom Height Kickout and Return-to-Dig Circuits Theory of Operation (S.N. 581928—)
      • Return-to-Carry, Boom Height Kickout and Return-to-Dig Circuit Functional Schematic (S.N. 581928—)
      • Differential Lock and Pin Disconnect Circuit Functional Schematic
      • Front Wiper Circuit Functional Schematic (S.N. 581928—)
      • Rear Wiper Circuit Functional Schematic (S.N. 581928—)
      • Secondary Steering Option Circuit Specifications
      • Secondary Steering Option Circuit Operational Information
      • Secondary Steering Option Circuit Theory of Operation
      • Secondary Steering Option Circuit Functional Schematic
      • Horn Circuit Functional Schematic (S.N. 581928—)
      • Flasher and Turn Signal Functional Schematic (S.N. 581928—)
      • Tail, Marker, and License Plate Lighting Circuits Theory of Operation
      • Tail, Marker, and License Plate Lighting Circuits Theory of Operation
      • Tail, Marker, and License Plate Lighting Circuits Functional Schematic
      • Drive Light Circuit Theory of Operation (S.N. —581927)
      • Drive Light Circuit Operational Information (S.N. 581928—)
      • Drive Light Circuit Theory of Operation (S.N. 581928—)
      • Hi-Beam/Flash-to-Pass Light Circuit Operational Information
      • Hi-Beam/Flash-to-Pass Light Circuit Theory of Operation
      • Rotary Beacon Light Circuit (Optional) Operational Information
      • Rotary Beacon Light Circuit (Optional) Theory of Operation
      • Drive, Hi-Beam, and Rotary Beacon (Optional) Light Circuits Functional Schematic
      • Brake Light Circuit Specifications
      • Brake Light Circuit Operational Information
      • Brake Light Circuit Theory of Operation
      • Brake Light Circuit Functional Schematic
      • Cab Work Lights Circuit Operational Information
      • Cab Work Lights Circuit Theory of Operation
      • Cab Work Lights Circuit Functional Schematic (S.N. 581928—)
      • 24V to 12V Converter and Radio Circuits Functional Schematic
      • Engine Controller Unit Specifications (S.N. —581927)
      • Engine Controller Unit—Sensor Specifications (S.N. 581928—)
      • Engine Controller Unit Specifications—Temperature Sensors
      • Engine Controller Unit Operational Information (S.N. —581927)
      • Engine Controller Unit Operational Information (S.N. 581928—)
      • Engine Controller Unit Theory of Operation (S.N. —581927)
      • Engine Controller Unit Theory of Operation (S.N. 581928—)
      • Engine Controller Unit—Input Signals (S.N. —581927)
      • Engine Controller Unit—Input Signals (S.N. 581928—)
      • Engine Controller Unit—Output Signals
      • Engine Control Unit Diagnostic Guideline (S.N. —573732)
      • Engine Control Unit Diagnostic Guideline (S.N. 573733—581927)
      • Engine Control Unit Diagnostic Guideline (S.N. 581928—)
      • Engine Controller Unit Functional Schematic (S.N. —573732)
      • Engine Controller Unit Connector Signals—Cab Side
      • Engine Controller Unit Connector Signals—Engine Side
      • Engine Controller Unit Functional Schematic (S.N. 573733—581927)
      • Engine Controller Unit Connector Signals—Injector Harness
      • Engine Controller Unit Connector Signals—Power Harness
      • Engine Controller Unit Connector Signals—CAN and Sensor Harness
      • Electronic Controllers Block Diagram (S.N. —573732)
      • Electronic Controllers Block Diagram (S.N. 581928—)
    • References
      • Diagnostic Trouble Codes Quick Reference List
      • Transmission Diagnostic Trouble Codes
      • Engine Related Diagnostic Trouble Codes
      • Engine Diagnostic Trouble Codes
      • Steering and Brake Diagnostic Trouble Codes
      • Electrical System Diagnostic Trouble Codes
      • Hydraulic System Diagnostic Trouble Codes
      • Diagnose Battery Malfunctions
      • Check Battery Electrolyte Level and Terminals
      • Procedure for Testing Batteries
      • Using Booster Batteries—24 Volt System
      • Alternator Operation—24 Volt 55 Amp and 80 Amp Bosch
      • Clutch Cutoff Sensor Adjustment (S.N. 562284— )
      • Analog Throttle Position Sensor Adjustment
      • Diagnostic Trouble Codes—How to Use Listing for Diagnostics
      • Sensor Circuitry Check
      • Diagnostic Trouble Codes—After Machine Repair
  • Power Train
    • Theory of Operation
      • Transmission Clutch Engagement and Solenoids Activated
      • Power Train Component Overview
      • Torque Converter Operation
      • Transmission Operation
      • Transmission Rear View
      • Transmission Side View
      • Transmission Front View
      • Transmission Test Points And Connections
      • Transmission Operation—First Gear Forward
      • Transmission Operation—Third Gear Forward
      • Transmission Operation—First Gear Reverse
      • Clutch Pack Operation
      • Transmission Hydraulic Components
      • Transmission Hydraulic System
      • Transmission Pump Operation
      • Transmission Hydraulic Control Unit Components (Transmission S.N. —000283)
      • Transmission Control Valve Components (Transmission S.N. 000284— )
      • Transmission Clutch Modulation Chart With Solenoids
      • Thermal Bypass Valve Operation
      • TEAMMATETEAMMATE is a trademark of Deere & Company.™ II Axle Operation
      • John Deere TEAMMATETEAMMATE is a trademark of Deere & Company.™ II Axles
      • Differential Lock Operation
      • Hydraulic Differential Lock Air Boost System
      • Turbocharger Boost For Differential Lock
      • Axle Shaft and Housing
      • Park Brake Operation
    • Diagnostic Information
      • Diagnose Transmission System Malfunctions
      • Diagnose Service Brake Malfunctions
      • Diagnose Differential and Axle Malfunctions
      • Diagnose Drive Line Malfunctions
      • Diagnose Park Brake Malfunctions
      • Park Brake Will Not Release
        • Park Brake Will Not Release Diagnostic Procedure
      • Hydraulic Circuit Symbols
      • Transmission Control System 744H
      • Power Train (S.N. —581927)
      • Power Train (S.N. 581928— )
      • Transmission Control Circuit—First Forward
    • Adjustments
      • Clutch Cut-Off Selection
      • External Service Brake Inspection
      • Hydraulic Brake Bleeding Procedure
      • Brake Pump and Differential Lock System Oil Clean-Up Procedure Using Portable Filter Caddy
      • Transmission Speed Sensor Adjustment
      • Transmission Controller Unit (TCU)—Electronic Clutch Adjustment (S.N. 573601— )
    • Tests
      • Display Monitor Tachometer
      • Display Monitor Transmission Oil Temperature
      • Transmission Oil Warm-Up Procedure
      • Driveline Bearing—Park Brake Pressure Test
      • Driveline Bearing—Park Brake Drag Test
      • Transmission Pump Flow Test
      • Transmission System Pressure Test
      • Transmission Clutch Pressure Test
      • Transmission Element Leakage Test (S.N. —581927)
      • Transmission Element Leakage Test (S.N. 581928—)
      • Lube Pressure Test (S.N. —581927)
      • Lube Pressure Test (S.N. 581928—)
      • Converter-In Pressure Test
      • Converter-Out Pressure Test
      • Converter Relief Pressure Test (S.N. —581927)
      • Converter Relief Pressure Test (S.N. 581928—)
      • Converter-Out Flow Test (S.N. —581927)
      • Converter-Out Flow Test (S.N. 581928—)
      • Torque Converter Stall Speed Test
      • Transmission Oil Cooler Thermal Bypass Valve Test
      • Transmission Oil Cooler Thermal Bypass Valve Pressure Test
      • Transmission Oil Cooler Restriction Test (S.N. —581927)
      • Transmission Oil Cooler Restriction Test (S.N. 581928—)
  • Hydraulic System
    • Theory of Operation
      • Main Hydraulic Pump – Loader And Steering Hydraulic Pump Operation
      • Steering System Components
      • Steering Circuit Operation—Right Turn
      • Priority Valve Operation (Neutral)
      • Priority Valve (Mid-Turn)
      • Priority Valve (Steering Cylinder Bottomed)
      • Steering Valve Operation
      • Steering Cylinder Operation
      • Secondary Steering System Operation
      • Secondary Steering Inlet Manifold Operation
      • Hydraulic System Components
      • Loader Hydraulic System
      • Loader Hydraulic Pump
      • Pump Pressure Compensator
      • Pump Control At Neutral
      • Pump Control Function Metering
      • Pump Control—Full Flow
      • Pump Control—Function Bottomed
      • Pressure Reducing Valve—Boom Raise Operation (S.N. —571404)
      • Pressure Reducing Valve—Boom Down—Engine Running Operation (S.N. —571404)
      • Pressure Reducing Valve—Boom Down—Engine OFF Operation (S.N —571404)
      • Pressure Reducing Valve—Boom Raise Operation (S.N. 571405— )
      • Pressure Reducing Valve—Boom Down—Engine Running Operation (S.N. 571405— )
      • Pressure Reducing Valve—Boom Down—Engine OFF Operation (S.N. 571405— )
      • Pilot Controller-Boom Float
      • Pilot Controller—Bucket Rollback
      • Pilot Orifice Check Valve For Control Valve Sections
      • Loader Control Valve (S.N. —572380)
      • Loader Control Valve (S.N. 572381—)
      • Boom Section Operation
      • Bucket Section Operation
      • Auxiliary Section Operation
      • Relief Valve Operation
      • Circuit Relief Valve Operation
      • Anti-Cavitation Valve Operation (S.N. —571096)
      • Anti-Cavitation Valve Operation (S.N. 571097— )
      • Loader Control Valve—Load Sense Circuit
      • Loader Cylinder—180 Series
      • Return Filter Operation
      • Ride Control Operation (S.N —582302)
      • Ride Control Operation—In The “On” Position—Bucket Dump (S.N —582302)
      • Ride Control Operation—In The “Off” Position (S.N —582302)
      • Ride Control “ON” Normal Operation (S.N 582303—)
      • Ride Control Operation—In The “ON” Position—Bucket Dump (S.N 582303—)
      • Ride Control Operation—In The “Off” Position (S.N 582303—)
      • Service Brake Hydraulic System
      • Brake Accumulator Operation
      • Service Brake Valve
      • Axle Disconnect And Pin Disconnect Circuit Operation (S.N. —571404)
      • Axle Disconnect And Pin Disconnect Circuit Operation (S.N. 571405— )
    • Diagnostic Information
      • Diagnose Hydraulic System Malfunctions
      • Hydraulic Circuit Symbols
      • Loader Hydraulic System (S.N. —574108)
      • Loader Hydraulic System (S.N. 574109—581927)
      • Loader Hydraulic System (S.N. 581928—)
      • Brakes And Steering Hydraulic System (S.N. —581927)
      • Brakes And Steering Hydraulic System (S.N. 581928—)
      • Hydraulic System Schematic—Neutral
      • Hydraulic System Schematic—Multiple Functions Activated
      • Hydraulic Reservoir (S.N. —581927)
      • Hydraulic Reservoir (S.N. 581928—)
    • Adjustments
      • Hydraulic Oil Clean-Up Procedure Using Portable Filter Caddy
      • Boom Height Kickout Adjustment
      • Return-To-Carry Kickout Adjustment
      • Return-to-Dig Adjustment (S.N. —564434)
      • Return-To-Dig Adjustment (S.N. 564435— )
      • Hydraulic Pump Stroke Limiter Adjustment
      • Ride Control Accumulator Discharge Procedure
      • Ride Control Accumulator Gas Charge Procedure
      • Ride Control Accumulator Draining Procedure
    • Test
      • Hydraulic Oil Warm-Up Procedure
      • JT02156A Digital Pressure and Temperature Analyzer Kit Installation
      • Display Monitor Tachometer
      • Display Monitor Hydraulic Oil Temperature
      • Display Monitor Hydraulic Oil Pressure
      • Loader And Steering Pump And Loader Hydraulic Pump Control Assembly Adjustment Test
      • Loader And Steering Hydraulic Pump Flow Test
      • Loader Hydraulic Pump Flow Test
      • Loader Relief And Circuit Relief Valve Pressure Test
      • Loader Cylinder Drift Test
      • Boom And Bucket Cylinder Leakage Test
      • Hydraulic Oil Cooler Restriction Test
      • Steering Valve Leakage Test
      • Steering Valve Drift Test
      • Priority Valve Leakage and Steering System Pressure Test
      • Priority Valve Check Valve Leakage Test
      • Priority Valve LS Port Flow Test
      • Secondary Steering Pump Relief Valve Pressure Test
      • Secondary Steering Manifold Primary Check Valve Leakage Test
      • Secondary Steering Manifold Secondary Check Valve Leakage Test
      • Pilot Control Valve Pressure Test
      • Pressure Reducing Valve Pressure Test
      • Cycle Time Test
      • Brake Accumulator Precharge Test
      • Service Brake Valve Pressure Test
      • Service Brake Valve Leakage Test
      • Service Brake Accumulator Inlet Check Valve Leakage Test
      • Service Brake And PRV (Pressure Reducing Valve) Accumulator Inlet Check Valve Leakage Test
      • Differential Lock Pressure Test
      • Differential Lock Leakage Test
      • Axle and Pin Disconnect Pressure Test (S.N. —571404)
      • Axle and Pin Disconnect Pressure Test (S.N. 571405— )
      • Pressure Reducing Valve Manifold Leakage Test
      • Hydraulic Oil Filter Inspection Procedure
  • Heating And A/C
    • Theory Of Operation
      • Air Conditioning System Cycle Of Operation
    • System Operational Checks
      • Air Conditioning Operational Checks
        • Visual Inspection Of Components
        • System Operating Checks
        • Blower/Air Conditioning Circuit Checks
      • Results Of Operational Check
    • Diagnostic Information
      • Diagnose Air Conditioning System Malfunctions
      • Diagnose Heater System Malfunctions
      • Air Conditioning Component Location Drawing
    • Tests
      • Air Conditioning System Fittings Reference Chart
      • Proper Refrigerant Handling
      • R134a Refrigerant Cautions
      • Refrigerant Hoses And Tubing Inspection
      • R134a Air Conditioning System Test
      • Operating Pressure Diagnostic Chart
      • Low Pressure Switch Test
      • High Pressure Switch Test
      • Freeze Control Switch
      • Leak Testing

John Deere