John Deere G-III Skidders Index:

• Contents
  • General Information
    • Safety Information
      • Handle Starting Fluid Safely
      • Clean Trash from Machine
      • Protect Against Flying Debris
      • Wear Protective Clothing
      • Protect Against Noise
      • Handle Chemical Products Safely
      • Use Safety Lights and Devices
      • Keep ROPS Installed Properly
      • Keep the Operator Protective Structure (OPS) in Place
      • Lock Machine Frame
      • Warn Others of Service Work
      • Practice Safe Maintenance
      • Support Machine Properly
      • Remove Paint Before Welding or Heating
      • Avoid Heating Near Pressurized Fluid Lines
      • Avoid High-Pressure Fluids
      • Clean the Machine Regularly
      • Service Cooling System Safely
      • Store Attachments Safely
      • Dispose of Waste Properly
      • Live With Safety
    • General Specifications
      • 540G-III Skidder Dimensions
      • 540G-III Skidder Specifications
      • 540G-III Skidder Drain and Refill Capacities
      • 4000 Series Winch Specifications—540G-III
      • 548G-III Grapple Skidder Dimensions
      • 548G-III Grapple Skidder Specifications
      • 548G-III Grapple Skidder
      • 548G-III Grapple Skidder Drain and Refill Capacities
      • 4000 Series Winch Specifications—548G-III
      • 640G-III—Cable Skidder Dimensions
      • 640G-III with Direct Drive—Cable Skidder Specifications
      • 640G-III with Direct Drive—Winch Specifications—4000 Series
      • 640G-III with Direct Drive—Winch Specifications—6000 Series
      • 640G-III with Torque Converter—Cable Skidder Specifications
      • 640G-III with Torque Converter—Winch Specifications—4000 Series
      • 640G-III with Torque Converter—Winch Specifications—6000 Series
      • 640G-III—Drain and Refill Capacities
      • 648G-III—Grapple Skidder Dimensions
      • 648G-III—Grapple Dimensions
      • 648G-III with Direct Drive—Grapple Skidder Specifications
      • 648G-III with Direct Drive—Winch Specifications—4000 Series
      • 648G-III with Torque Converter—Grapple Skidder Specifications
      • 648G-III with Torque Converter—Winch Specifications—4000 Series
      • 648G-III—Drain and Refill Capacities
      • 748G-III Grapple Skidder Dimensions
      • 748G-III Grapple Skidder Specifications
      • 748G-III Grapple Skidder
      • 748G-III Grapple Skidder Drain and Refill Capacities
      • 6000 Series Winch Specifications—748G-III
    • Torque Values
      • Hardware Torque Specifications
      • Keeping ROPS Installed Properly
      • Metric Bolt and Screw Torque Values
      • Additional Metric Cap Screw Torque Values
      • Unified Inch Bolt and Screw Torque Values
      • Check Oil Lines And Fittings
      • Service Recommendations for 37° Flare and 30° Cone Seat Connecto
      • Service Recommendations for O-Ring Boss Fittings
      • Service Recommendations For Flat Face O-Ring Seal Fittings
      • Service Recommendations for Metric Series Four Bolt Flange Fitti
      • Service Recommendations For Inch Series Four Bolt Flange Fitting
    • Fuels and Lubricants
      • Diesel Fuel
      • Low Sulfur Diesel Fuel Conditioner
      • Handling and Storing Diesel Fuel
      • Do Not Use Galvanized Containers
      • Fuel Tank
      • Diesel Engine Oil
      • Transmission, Hydraulic System, Park Brake, Differential, Cab Hy
      • Grease
      • Oil Filters
      • Lubricant Storage
      • Alternative and Synthetic Lubricants
      • Mixing of Lubricants
  • Operational Checkout
    • Operational Checks
      • Complete Machine Operational Checkout
        • Gauge, Indicator, and Control Checks (Engine Stopped)
        • Gauge, Indicator, and Control Checks (Engine Operating)
        • Brake System Checks
        • Steering System Checks
        • Transmission Cold Weather Disconnect Checks (If Equipped)—Direct
        • Driving Checks
        • Hydraulic System Checks
        • Winch Checks—If Equipped
        • Accessory Check (Engine Stopped)
        • ROPS and Cab Component Checks
        • Miscellaneous Checks
  • Engine
    • Theory of Operation
      • 6.8 L (6068) John Deere Engine—Use CTM104
      • 6.8 L (6068) John Deere Engine—Use CTM104
      • 6.8 L (6068) Mechanical Fuel Systems—Use CTM207
      • 6.8L (6068) Engine—Sectional View
      • General Description—6.8L (6068) Engine
      • 8.1 L (6081) John Deere Engine—Use CTM86
      • 8.1L (6081) Mechanical Fuel Systems—Use CTM243
      • 8.1L (6081) Engine—Sectional View
      • General Description—8.1L (6081) Engine
    • Diagnostic Information
      • Diagnose Engine Malfunctions
    • Adjustments
      • 6.8 L (6068) John Deere Engine—Use CTM104
      • 6.8L (6068) Mechanical Fuel Systems—CTM207
      • 8.1 L (6081) John Deere Engine (Base Engine)—Use CTM86
      • 8.1 L 6081 Mechanical Fuel Systems—Use CTM243
      • JT05801 Clamp-On Electronic Tachometer Installation
      • JT05800 Digital Thermometer Installation
      • Calibrate Tachometer
      • Slow and Fast Idle Adjustment—540G-III, 548G-III
      • Slow and Fast Idle Adjustment—640G-III, 648G-III, 748G-III
      • Adjust Engine Speed Control Linkage—540G-III, 548G-III, 640G-III
      • Adjust Engine Speed Control Linkage—640G-III and 648G-III—Torque
      • Adjust Engine Speed Control Linkage—748G-III
      • Adjust Fuel Shut-Off Solenoid
    • Tests
      • Injection Pump Timing
      • Air Intake System Leakage Test
      • Air Filter Restriction Indicator Switch Test
      • Engine Power Test Using Turbocharger Boost Pressure
  • Electrical System
    • System Information
      • Electrical System Visual Inspection
      • Electrical Circuit Malfunctions
      • High Resistance Circuit
      • Open Circuit
      • Grounded Circuit
      • Shorted Circuit
      • Sensor Circuit Shorted to Power
      • Sensor Circuit Shorted to Itself
      • Sensor Circuit Shorted to Ground
      • Multimeter
      • Seven Step Electrical Test Procedure
      • Schematic, Wiring Diagram, and Component Location Information
      • Reading a System Functional Schematic
      • Reading a Wiring Diagram
      • Reading a Component Location Diagram
      • Reading a Connector End View Diagram
      • Electrical Schematic Symbols
    • System Diagrams
      • Fuse (Blade-Type) Color Codes
      • Fuse Specifications
      • Component Identification Table
      • Functional Schematic and Component Location Legend
      • System Functional Schematic Section Legend
      • System Functional Schematic
      • Cab Roof Harness (W7) Component Location
      • Cab Harness (W8) Component Location—Direct Drive Machines
      • Cab Harness (W8) Component Location—Torque Converter Machines
      • Engine Harness (W9) Component Location—540G-III, 548G-III, 640G-
      • Engine Harness (W9) Component Location—Torque Converter Machines
      • Engine Harness (W10)—748G-III Component Location—Direct Drive Ma
      • Transmission Harness (W11) Component Location
      • Start Aid/Rotate and Hydraulic Reservoir (W12) Component Locatio
      • Fuel Sender and Reverse Alarm (W13) Component Location
      • Precleaner Harness (W14) Component Location
      • Secondary Steering Harness (W19) Component Location
      • Grapple Rotate and Grapple Open/Close (Single Lever Pilot Contro
    • Sub-System Diagnostics
      • Power Circuit Operational Information
      • Power Circuit Theory of Operation
      • Power Circuit Functional Schematic
        • Power Circuit Diagnostic Procedures
      • Charging Circuit Operational Information
      • Charging Circuit Theory of Operation
      • Charging Circuit Schematic
        • Charging Circuit Diagnostic Procedures
      • Hydraulic Dump Circuit Operational Information
      • Hydraulic Dump Circuit Theory of Operation
      • Hydraulic Dump Circuit Schematic
        • Hydraulic Dump Circuit Diagnostic Procedures
      • Start/Park Brake Circuit Operational Information
      • Start/Park Brake Circuit Theory of Operation
      • Start/Park Brake Circuit Schematic
        • Start/Park Brake Circuit Diagnostic Procedures
      • Differential Lock Circuit Operational Information
      • Differential Lock Circuit Theory of Operation
      • Differential Lock Circuit Schematic
        • Differential Lock Circuit Diagnostic Procedures
      • De-Clutch Circuit Operational Information—Torque Converter Machi
      • De-Clutch Circuit Theory of Operation—Torque Converter Machines
      • De-Clutch Circuit Schematic—Torque Converter Machines
        • De-Clutch Circuit Diagnostic Procedures—Torque Converter Machine
      • Grapple Rotate Circuit Operational Information
      • Grapple Rotate Circuit Theory of Operation
      • Grapple Rotate Circuit Schematic
        • Grapple Rotate Circuit Diagnostic Procedures
      • Grapple Rotate and Grapple Open/Close Circuit Operational Inform
      • Grapple Rotate and Grapple Open/Close Theory of Operation—Single
      • Grapple Rotate and Grapple Open/Close Circuit Schematic—Single L
        • Grapple Rotate and Grapple Open/Close Circuit Diagnostic Procedu
      • Secondary Steering Circuit Specifications
      • Secondary Steering Circuit Operational Information
      • Secondary Steering Circuit Theory Of Operation (Torque Converter
      • Secondary Steering Circuit Theory of Operation (Direct Drive)
      • Secondary Steering Circuit Schematic
        • Secondary Steering Circuit Diagnostic Procedures
      • Start Aid Circuit Operational Information
      • Start Aid Circuit Theory of Operation
      • Start Aid Circuit Schematic
        • Start Aid Circuit Diagnostic Procedures
      • Horn Circuit Operational Information
      • Horn Circuit Theory of Operation
      • Horn Circuit Schematic
        • Horn Circuit Diagnostic Procedures
      • Front and Rear Windshield Wiper/Washer Circuit Operational Infor
      • Front and Rear Windshield Wiper/Washer Circuit Theory of Operati
      • Front and Rear Windshield Wiper/Washer Circuit Schematic
        • Front and Rear Windshield Wiper/Washer Circuit Diagnostic Proced
      • Fuel Shut-Off Circuit Operational Information
      • Fuel Shut-Off Circuit Theory of Operation
      • Fuel Shut-Off Circuit Schematic
        • Fuel Shut-Off Circuit Diagnostic Procedures
      • Reverse Warning Alarm Circuit Operational Information
      • Reverse Warning Alarm Circuit Theory of Operation
      • Reverse Warning Alarm Circuit Schematic
        • Reverse Warning Alarm Circuit Diagnostic Procedures
      • Transmission Controller Circuit Operational Information—Direct D
      • Transmission Controller Circuit Theory of Operation—Direct Drive
      • Transmission Controller Circuit Schematic—Direct Drive Machines
        • Transmission Controller Circuit Diagnostic Procedures—Direct Dri
      • Transmission Controller Circuit Operational Information—Torque C
      • Transmission Controller Circuit Theory of Operation—Torque Conve
      • Transmission Controller Circuit Schematic—Torque Converter Machi
        • Transmission Controller Circuit Diagnostic Procedures—Torque Con
      • Display Monitor Circuit Switch, Sender, and Gauge Input Specific
      • Display Monitor Circuit Operational Information
      • Display Monitor Circuit Theory of Operation
      • Display Monitor Circuit Schematic
        • Display Monitor Circuit Diagnostic Procedures
      • Work Lights Circuit Operational Information
      • Work Lights Circuit Theory of Operation
      • Work Lights Circuit Schematic
        • Work Lights Circuit Diagnostic Procedures
      • Deluxe Work Lights Circuit Operational Information
      • Deluxe Work Lights Circuit Theory of Operation
      • Deluxe Work Lights Circuit Schematic
        • Deluxe Work Lights Circuit Diagnostic Procedures
      • Air Seat Circuit Operational Information
      • Air Seat Circuit Theory of Operation
      • Air Seat Circuit Schematic
        • Air Seat Circuit Diagnostic Procedures
      • Dome Light Circuit Operational Information
      • Dome Light Circuit Theory of Operation
      • Dome Light Circuit Schematic
        • Dome Light Circuit Diagnostic Procedures
      • Radio Circuit Schematic
        • Radio Circuit Diagnostic Procedures
    • References
      • JT05801 Clamp-On Electronic Tachometer Installation
      • Battery Operation
      • Battery Specifications
      • Diagnose Battery Malfunctions
      • Check Battery Electrolyte Level and Terminals
      • Using Booster Batteries—12V System
      • Alternator Operation—65 Amp Bosch, 95 Amp Bosch and 120 Amp Bosc
      • Alternator Operation—65 Amp Bosch and 120 Amp Bosch With A/C
      • Secondary Steering Controller Bench Test
      • Bench Test Park/Neutral/Gear Position Switch (S9) and F/R Switc
      • Program Display Monitor
      • Historical Service Code Retrieval
      • Calibrate Tachometer
      • Calibration of Transmission Controller
      • Transmission Service Codes—Limp Home Mode and Inchless Power Shi
      • Transmission Service Codes Diagnostics—Direct Drive Machines
      • Transmission Service Codes Diagnostics—Torque Converter Machines
      • Service Code Quick Reference List—Direct Drive Machines
      • Service Code Quick Reference List—Torque Converter Machines
      • Service ADVISOR Computer Connection
  • Power Train
    • Theory of Operation
      • Power Train Component Overview
      • Transmission Operation—Direct Drive Machines
      • Transmission Operation—Torque Converter Machines
      • Transmission Component Identification—Direct Drive Machines
      • Transmission Component Identification—Torque Converter Machines
      • Transmission Diagram—Direct Drive Machines
      • Transmission Diagram—Torque Converter Machines
      • Torque Converter
      • Transmission Hydraulic System Operation—Direct Drive Machines
      • Transmission Hydraulic System Operation—Torque Converter Machine
      • Transmission Charge Pump Operation
      • Differential Lock Pump
      • Transmission Filter Bypass Valve
      • Transmission Control Valve Port Identification
      • Transmission Proportional Solenoid Valves Identification
      • Transmission Control Valve Operation
      • Control Valve-to-Front Housing Oil Passage Identification
      • Proportional Solenoid Valve Operation—De-Energized
      • Main Pressure Regulator Valve Operation
      • Clutch Actuation
      • Directional Clutch Operation
      • Speed Clutch Operation
      • Transmission Controller Circuit Theory of Operation—Direct Drive
      • Thermal Bypass Valve Operation—Torque Converter Machines
      • Transmission Input Speed Sensor Operation
      • Transmission Output Speed Sensor Operation
      • Cylinder Speed Sensor Operation
      • Forward/Reverse and Gear Switch Module Selection—Direct Drive Ma
      • Transmission Control Switch Module—Direct Drive Machines
      • Gear Selection—Direct Drive Machines
      • Clutch and Gear Component Location—Direct Drive Machines
      • First Forward—Direct Drive Machines
      • Second Forward—Direct Drive Machines
      • Third Forward—Direct Drive Machines
      • Fourth Forward—Direct Drive Machines
      • Fifth Forward—Direct Drive Machines
      • Sixth Forward—Direct Drive Machines
      • Seventh Forward—Direct Drive Machines
      • Eighth Forward—Direct Drive Machines
      • First Reverse—Direct Drive Machines
      • Second Reverse—Direct Drive Machines
      • Third Reverse—Direct Drive Machines
      • Fourth Reverse—Direct Drive Machines
      • Fifth Reverse—Direct Drive Machines
      • Sixth Reverse—Direct Drive Machines
      • Seventh Reverse—Direct Drive Machines
      • Gear Selection—Torque Converter Machines
      • Clutch and Gear Component Location—Torque Converter Machines
      • First Forward—Torque Converter Machines
      • Second Forward—Torque Converter Machines
      • Third Forward—Torque Converter Machines
      • Fourth Forward—Torque Converter
      • Fifth Forward—Torque Converter Machines
      • Sixth Forward—Torque Converter Machines
      • First Reverse—Torque Converter Machines
      • Second Reverse—Torque Converter Machines
      • Third Reverse—Torque Converter Machines
      • Fourth Reverse—Torque Converter Machines
      • Fifth Reverse—Torque Converter Machines
      • Sixth Reverse—Torque Converter Machines
      • Park Brake and Differential Lock Control Valve
      • Park Brake Operation
      • Park Brake—Released
      • Park Brake—Engaged
      • Park Brake Manual Release Operation
      • Differential Lock Valve Operation—Released
      • Differential Lock Valve Operation—Engaged
      • Differential Lock Filter Operation
      • John Deere TEAMMATETEAMMATE is a trademark of Deere & Company™ I
      • Standard Axle Final Drive Operation
      • Extreme Duty Axle Final Drive Operation
      • Differential Lock Operation
      • Differential Lock Rear Axle Return
      • Axle Shaft and Housing
    • Diagnostic Information
      • Diagnose Powershift Transmission and Hydraulic Related Problems
      • Diagnose Disconnect Clutch Problems—Direct Drive Machines
      • Diagnose Drive Line Problems
      • Diagnose Park Brake Problems
      • Diagnose Differential Problems
      • Power Train Component Location—Direct Drive Machines
      • Power Train Component Location—Torque Converter Machines
    • Adjustments
      • Inching Pedal Adjustment—Direct Drive Machines
      • Manual Park Brake Release Procedure
      • Cold Weather Disconnect Linkage Adjustment—If Equipped
      • Using Cold Weather Transmission Disconnect—If Equipped
    • Tests
      • JT05800 Digital Thermometer Installation
      • JT02156A Digital Pressure and Temperature Analyzer Installation
      • JT07148 Digital Hydraulic Tester
      • Transmission and Axle Oil Warm-Up Procedure
      • Transmission Pump Flow Test
      • Transmission System Pressure Test
      • Lube Pressure Test
      • Transmission Control Circuit Pressure Test—Direct Drive Machines
      • Transmission Control Circuit Pressure Test—Torque Converter Mach
      • Transmission Cooler Relief Valve Pressure Test—Direct Drive Mach
      • Converter-In Pressure Test—Torque Converter Machines
      • Converter-Out Pressure Test—Torque Converter Machines
      • Torque Converter Relief Valve Pressure Test—Torque Converter Mac
      • Converter-Out Flow Test—Torque Converter Machines
      • Torque Converter Stall Speed Test
      • Transmission Oil Cooler Thermal Bypass Test—Torque Converter Mac
      • Transmission Oil Cooler Thermal Bypass Relief Valve Test—Torque
      • Park Brake Pressure Test
      • Differential Lock Pressure Test
  • Hydraulic System
    • Theory of Operation
      • Hydraulic System
      • Hydraulic Component Location—Direct Drive, Dual Function (Withou
      • Hydraulic System Schematic—Direct Drive, Dual Function (Without
      • Hydraulic Component Location—Direct Drive, Single Function (With
      • Hydraulic System Schematic—Direct Drive, Single Function (Withou
      • Hydraulic Component Location—Direct Drive, Dual Function (With S
      • Hydraulic System Schematic—Direct Drive, Dual Function (With Sin
      • Hydraulic Component Location—Direct Drive, Single Function (With
      • Hydraulic System Schematic—Direct Drive, Single Function (With S
      • Hydraulic Component Location—Torque Converter Drive, Single Func
      • Hydraulic Schematic—Torque Converter Drive, Single Function (Wit
      • Hydraulic Component Location—Direct Drive with Cable
      • Hydraulic System Schematic—Direct Drive with Cable
      • Main Hydraulic Pump
      • Pressure Compensator—Pump at Standby
      • Pressure Compensator—Pump Going Into Stroke
      • Brake Accumulator
      • Hydraulic Reservoir Operation
      • Hydraulic Return Filter Operation
      • Brake Valve Operation—Brakes Unapplied
      • Brake Valve Operation—Metering
      • Priority Valve—Neutral
      • Priority Valve—Mid Turn
      • Priority Valve—Steering Cylinders Bottomed
      • Steering System Components
      • Steering Valve Operation
      • Secondary Steering System Operation—If Equipped
      • Secondary Steering Manifold Operation—If Equipped
      • 120 Series Cylinder Operation
      • Tong (Grapple) Valve Section Operation—Tong Closed Position
      • Blade Valve Section Operation—Blade Down Position
      • Arch and Boom Valve Section—Down Position
      • Arch and Boom Valve Section—Down Position (With Pilot Controller
      • System Relief Valve Operation
      • Circuit Relief Valve—Tong Cylinder Head End Operation
      • Circuit Relief Valve Operation
      • Grapple Tong Flow Divider Operation
      • Pilot Controller Operation—Single Lever
      • Pressure Reducing Valve Manifold
      • Grapple Rotate Solenoid Valve Operation—Neutral
      • Rotary Manifold Operation
      • Tilt Cab Operation
    • Diagnostic Information
      • Diagnose Hydraulic System Problems
      • Diagnose Steering System Problems
      • Diagnose Service Brakes
    • Adjustments
      • Brake Pedal Adjustment
      • Brake Lining Inspection
      • Grapple Damper Adjustment—If Equipped
      • Hydraulic Brake Bleeding Procedure
    • Tests
      • D15032NU Vacuum Pump Installation
      • Hydraulic Oil Warm-Up Procedure
      • Main Hydraulic Pump Identification
      • Main Hydraulic Pump Standby Pressure Test
      • Pressure Reducing Valve Pressure Test
      • Pilot Control Valve Pressure Test
      • Main Hydraulic Pump Flow Test
      • Main Hydraulic Pump Leakage Test—Cable Skidders
      • Main Hydraulic Pump Leakage Test—Grapple Skidders
      • Main Hydraulic Pump Case Drain Relief Valve Pressure Test—Cable
      • Priority Valve Relief Pressure Test
      • Priority Valve “LS” Port Flow Test
      • Priority Valve Relief Cartridge Leakage Test
      • System Relief and Circuit Relief Valve Pressure Test Procedure
      • Hydraulic Component Leakage Test
      • Cylinder Leakage Test
      • Cylinder Drift Test
      • Grapple Rotate Motor Relief Valve Pressure Test
      • Grapple Solenoid Valve Neutral Leakage Test—Without Single Lever
      • Grapple Flow Divider Relief Valve Test
      • Rotary Manifold Leakage Test—Center Seal
      • Rotary Manifold Leakage Test—Drain Seal and Lower Seal
      • Brake Valve Pressure Test
      • Brake Valve Leakage Test
      • Steering Valve Neutral Leakage Test
      • 540G-III and 548G-III Cycle Time Test
      • 640G-III and 648G-III Cycle Time Test
      • 748G-III Cycle Time Test
      • Hydraulic Oil Filter Inspection Procedure
  • Miscellaneous Components (Winch)
    • Theory
      • John Deere 4000 Winch Operation and Test—Use CTM25
      • John Deere 6000 Winch Operation and Test—Use CTM41
    • Diagnostic Information
      • Diagnose Winch Problems—If Equipped
      • Winch Component Location
      • Winch Hydraulic Schematic
    • Adjustments
      • Winch Control Cable Adjustment Check
      • Brake Off Adjustment
    • Tests
      • Winch System Pressure Test
      • Winch Leakage Test
      • Winch Drum Rolling Drag Test
  • Heating and Air Conditioning
    • Theory of Operation
      • Proper Refrigerant Handling
      • R134a Refrigerant Cautions
      • Air Conditioning Circuit Specifications—If Equipped
      • Refrigerant Theory Of Operation
      • Air Conditioning, Blower, and Precleaner Circuit Operational Inf
      • Air Conditioning Circuit Operation—If Equipped
      • Air Conditioning, Blower, and Precleaner Circuit Schematic—If Eq
      • Receiver-Dryer Operation—If Equipped
      • Expansion Valve Operation
      • Compressor Operation
      • Compressor Relief Valve Operation—If Equipped
      • Temperature Control
      • Freeze Control Switch Operation
      • Heater Core Operation
      • Condenser Operation
      • Air Conditioning Low Pressure Switch
      • Air Conditioning High Pressure Switch
    • System Operational Checks
      • Air Conditioning Operational Checks—If Equipped
        • Visual Inspection of Components
        • System Operating Checks
        • System Performance Checks
        • Blower/Air Conditioning Circuit Checks
    • Diagnostic Information
      • Diagnose Heating and Air Conditioning Electrical Problems
      • Air Conditioning Component Location
    • Adjustments
      • Proper Refrigerant Handling
      • R134a Refrigerant Cautions
      • R134a Compressor Oil Information
      • R134a Compressor Oil Charge Check
      • R134a Compressor Oil Removal
      • R134a Component Oil Charge
      • HFC134a Deluxe Recovery/Recycling and Charging Station Installat
      • R134a Refrigerant Recovery
      • Evacuate R134a Refrigerant System
      • Charge R134a Refrigerant System
      • Air Conditioner System Cleaning Procedures
      • Purge Air Conditioner System
      • Flush Air Conditioner System
    • Tests
      • Proper Refrigerant Handling
      • R134a Refrigerant Cautions
      • Operating Pressure Diagnostic Chart
      • Pressure Diagnostic Chart
      • Low Pressure Switch Test
      • High Pressure Switch Test
      • Freeze Control Temperature Cycling Switch
      • Leak Testing
      • Refrigerant Hoses and Tubing Inspection
• Page Number
  • Section 9000
    • Group 01
    • Group 02
    • Group 03
    • Group 04
  • Section 9005
    • Group 10
  • Section 9010
    • Group 05
    • Group 15
    • Group 20
    • Group 25
  • Section 9015
    • Group 05
    • Group 10
    • Group 15
    • Group 20
  • Section 9020
    • Group 05
    • Group 15
    • Group 20
    • Group 25
  • Section 9025
    • Group 05
    • Group 15
    • Group 20
    • Group 25
  • Section 9030
    • Group 05
    • Group 15
    • Group 20
    • Group 25
  • Section 9031
    • Group 05
    • Group 10
    • Group 15
    • Group 20
    • Group 25