John Deere 544G 544G LL 544G TC 624G 644G Loader Operation & Test Technical Manual – PDF DOWNLOAD
DESCRIPTION:
John Deere 544G 544G LL 544G TC 624G 644G Loader Operation & Test Technical Manual – PDF DOWNLOAD
For complete service information also see:
544G, 544G LL, 544G TC, 624G, and 644G
Repair. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TM1530
6059 and 6068 Engines . . . . . . . . . . . . . . . . . CTM8
6076 Engine . . . . . . . . . . . . . . . . . . . . . . . . . . CTM42
6081 Engine . . . . . . . . . . . . . . . . . . . . . . . . . . CTM86
Alternators and Starting Motors. . . . . . . . . . CTM77
1200 and 1400 Series Axles . . . . . . . . . . . . . CTM43
Introduction :
Foreword :
- This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use.
- Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.
- Technical manuals are divided in two parts: repair and operation and tests. Repair sections tell how to repair the components. Operation and tests sections help you identify the majority of routine failures quickly. Information is organized in groups for the various components requiring service instruction.
- At the beginning of each group are summary listings of all applicable essential tools, service equipment and tools, other materials needed to do the job, service parts kits, specifications, wear tolerances, and torque values. Technical Manuals are concise guides for specific machines.
- They are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing, and repair. Fundamental service information is available from other sources covering basic theory of operation, fundamentals of troubleshooting, general maintenance, and basic type of failures and their causes.
See DB1990 Service Publications Catalog to order an Operation and Test Technical Manual (TM). An Operation and Test manual includes the following sections:
· Section 9000 General Information
· Section 9005 Operational Checkout Procedure
· Section 9010 Engine
· Section 9015 Electrical System
· Section 9020 Power Train
· Section 9025 Hydraulics
· Section 9031 Air Conditioning
TABLE OF CONTENTS:
John Deere 544G 544G LL 544G TC 624G 644G Loader Operation & Test Technical Manual – PDF DOWNLOAD
Contents
General Information
Safety Information
Handle Fluids Safely—Avoid Fires
Prevent Battery Explosions
Prepare for Emergencies
Prevent Acid Burns
Handle Chemical Products Safely
Avoid High-Pressure Fluids
Park Machine Safely
Support Machine Properly
Wear Protective Clothing
Work in Clean Area
Service Machines Safely
Work In Ventilated Area
Illuminate Work Area Safely
Replace Safety Signs
Use Proper Lifting Equipment
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Keep ROPS Installed Properly
Service Tires Safely
Avoid Harmful Asbestos Dust
Practice Safe Maintenance
Use Proper Tools
Dispose of Waste Properly
Live With Safety
General Specifications
G Specifications
G Drain And Refill Capacities
G LL Specifications
G LL Drain And Refill Capacities
G TC Specifications
G TC Drain And Refill Capacities
G Specifications
G Drain And Refill Capacities
G Specifications
G Drain And Refill Capacities
Torque Values
Hardware Torque Specifications
ROPS Torque Specifications
Metric Bolt and Cap Screw Torque Values
Additional Metric Cap Screw Torque Values
Unified Inch Bolt and 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 Metric Series Four Bolt Flange Fitting
Service Recommendations For Inch Series Four Bolt Flange Fittings
Fuels And Lubricants
Fuel Specifications
Storing Fuel
Do Not Use Galvanized Containers
Fuel Tank
Engine Oil
Hydraulic System Oil And Differential Oil
Transmission Oil
Grease
Alternative and Synthetic Lubricants
Lubricant Storage
Mixing of Lubricants
Diesel Engine Coolant
Operational Checkout Procedure
Operational Checkout Procedure
Operational Checkout Record Sheet—G, G, And G
Complete Machine Operational Checkout
Monitor Indicator And Gauge Checks—Engine Off
Transmission Controls, Axle And Engine Linkages, 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 Operation And Tests
Theory Of Operation
Air Cleaner Operation
Fuel System Operation—G And G
Fuel System Operation—G
System Operational Checks
Engine Operational Checks
Cooling System Checks
Air System Checks
Lubrication System Checks
Fuel System Checks
Engine Speed And Performance Checks
Diagnostic Information
Diagnose Engine Malfunctions
Coolant Requirements
Adjustments
JT Clamp-On Electronic Tachometer Installation
JT Digital Thermometer Installation
Display Monitor Tachometer
JT TIME TRAC® Installation
Injection Pump Timing
Fan Belt Tension Adjustment
Slow And Fast Idle Adjustment—G, G
Slow Idle Adjustment—G
Fast Idle Adjustment—G
Speed Control Linkage Adjustment
Fuel Shut-Off Solenoid Adjustment—G
Primary Fuel Filter, Drain Water—G, G
Primary Fuel Filter, Drain Water—G
Bleed The Fuel System—G, G
Bleed The Fuel System—G
Tests
Display Monitor Tachometer
Display Monitor Hydraulic Oil Temperature
Display Monitor Hydraulic Oil Pressure
Air Filter Restriction Indicator Switch Test
Radiator Cap Pressure Test
Cooling System Pressure Test
Radiator Air Flow
Engine Power Test Using Engine Pulldown
Engine Power Test Using Turbocharger Boost Pressure
Compression Pressure Test
Air Intake System Leakage Test
Fuel Supply Pump Pressure Test
Fuel Line Leakage Test
Electrical System
System Information
Procedure To Isolate Whether Problem In Transmission Control System Is Electrical Or Hydraulic
Example Of Simple Electrical Test To Find Problem
Visually Inspect Electrical System
Electrical Circuit Malfunctions
High Resistance Circuit
Open Circuit
Grounded Circuit
Shorted Circuit
Multimeter
Seven Step Electrical Test Procedure
Wiring Diagram And Schematic Information
Reading A System Functional Schematic
Reading A Wiring Diagram
Electrical Schematic Symbols
System Diagrams
Component Identification Table
Fuse Block
Wiring And Schematic Diagrams Legend
System Functional Schematic Section Legend
System Functional Schematic
Steering Column Harness (W) Wiring Diagram
Steering Column Harness (W) Component Location
Loader Frame Harness (W) Wiring Diagram
Loader Frame Harness (W) Component Location
Transmission Harness (W) Wiring Diagram
Transmission Harness (W) Component Location
Load Center Harness (W) Wiring Diagram (Page of )
Load Center Harness (W) Wiring Diagram (Page of )
Load Center Harness (W) Wiring Diagram (Page of )
Load Center Harness (W) Wiring Diagram (Page of )
Load Center Harness (W) Component Location
Load Center Harness (W) Component Location—Continued (Detail A)
Load Center Harness (W) Component Location—Continued (Detail B)
Load Center Harness (W) Component Location—Continued (Detail C)
Load Center Harness (W) Component Location—Continued (Detail D)
Load Center Harness (W) Component Location—Continued (Detail E)
Canopy Work Lights Harness (W) Wiring Diagram
Canopy Work Lights Harness (W) Component Location
Cab Work Lights Harness (W) Wiring Diagram
Cab Work Lights Harness (W) Component Location
Left Panel Temperature Control Harness (W) Wiring Diagram
Left Panel Temperature Control Harness (W) Component Location
Engine Frame Harness (W) Wiring Diagram
Engine Frame Harness (W) Component Location
Engine Harness (W) Wiring Diagram
Engine Harness (W) Component Location
Rear Frame Harness (W) Wiring Diagram
Rear Frame Harness (W) Component Location
A/C Compressor Harness (W) Wiring Diagram
A/C Compressor Harness (W) Component Location
Secondary Steering Harness (W) Wiring Diagram
Secondary Steering Harness (W) Component Location
Start Aid Lead (W) Wiring Diagram
Start Aid Lead (W) Component Location
Ride Control Harness (W) Wiring Diagram
Ride Control Harness (W) Component Location
Pin Disconnect Harness (W) Wiring Diagram
Pin Disconnect Harness (W) Component Location
Sub-System Diagnostics
Special Or Essential Tools
Power Circuit Operational Information
Power Circuit Theory Of Operation
Power Circuit Functional Schematic
Power Circuit Diagnostics
Power Circuit Diagnostic Procedures
Charging Circuit Operational Information
Charging Circuit Theory Of Operation
Charging Circuit Functional Schematic
Charging Circuit Diagnostics
Charging Circuit Diagnostic Procedures
Start Aid And Fuel Control Circuit Operational Information
Start Aid And Fuel Control Circuit Theory Of Operation
Start Aid And Fuel Control Circuit Functional Schematic
Start Aid And Fuel Control Circuit Diagnostics
Start Aid And Fuel Control Circuit Diagnostic Procedures
Park Brake Sensing/Clutch Cutoff/Quickshift/Backup Alarm Circuit Specifications
Park Brake Sensing/Clutch Cutoff/Quickshift/Backup Alarm Circuit Operational Information
Park Brake Sensing/Clutch Cutoff/Quickshift/Backup Alarm Circuit Theory Of Operation
Park Brake Sensing/Clutch Cutoff/Quickshift/Backup Alarm Circuit Functional Schematic
Park Brake Sensing/Clutch Cutoff/Quickshift/Backup Alarm Circuit Diagnostics
Park Brake Sensing/Clutch Cutoff/Quickshift/Backup Alarm Circuit Diagnostic Procedures
Transmission Control Circuit Operational Information
Transmission Control Circuit Theory Of Operation
Transmission Control Circuit Functional Schematic
Jumper Wire For Display Monitor
Replace CPC™, Large MATE-N-LOC™, And METRIMATE™ Pin Type Connectors
Pin Identification On Transmission Controller
Procedure To Isolate Whether Problem In Transmission Control System Is Electrical Or Hydraulic
Transmission Control Circuit Diagnostics
Transmission Control Circuit Diagnostic Procedures
Start Circuit Operational Information
Start Circuit Theory Of Operation
Start Circuit Functional Schematic
Start Circuit Diagnostics
Start Circuit Diagnostic Procedures
Park Brake Circuit Operational Information
Park Brake Circuit Theory Of Operation
Park Brake Circuit Functional Schematic
Park Brake Circuit Diagnostics
Park Brake Circuit Diagnostic Procedures
Secondary Steering Circuit Specifications
Secondary Steering Circuit Operational Information
Secondary Steering Circuit Theory Of Operation
Secondary Steering Circuit Functional Schematic
Secondary Steering Circuit Diagnostics
Secondary Steering Circuit Diagnostic Procedures
Differential Lock And Boom Down Circuit Operational Information
Differential Lock And Boom Down Circuit Theory Of Operation
Differential Lock And Boom Down Circuit Functional Schematic
Differential Lock And Boom Down Circuit Diagnostics
Differential Lock And Boom Down Circuit Diagnostic Procedures
Switch Inputs To Monitor Circuit Specifications
Switch Inputs To Monitor Circuit Operational Information
Switch Inputs To Monitor Circuit Theory Of Operation
Switch Inputs To Monitor Circuit Functional Schematic
Switch Inputs To Monitor Circuit Diagnostics
Switch Inputs To Monitor Circuit Diagnostic Procedures
Electronic Monitor Signals Circuit Operational Information
Electronic Monitor Signals Circuit Theory Of Operation
Electronic Monitor Signals Circuit Functional Schematic
Electronic Monitor Signals Circuit Diagnostics
Electronic Monitor Signals Diagnostic Procedures
Electronic Monitor And Gauge Inputs Circuit Specifications
Electronic Monitor/Gauge Inputs Circuit Operational Information
Electronic Monitor/Gauge Inputs Circuit Theory Of Operation
Electronic Monitor/Gauge Inputs Circuit Functional Schematic
Electronic Monitor/Gauge Inputs Circuit Diagnostics
Electronic Monitor/Gauge Inputs Circuit Diagnostic Procedures
Boom Height Kickout And Return-To-Dig Circuit Operational Information
Boom Height Kickout And Return-To-Dig Circuit Theory Of Operation
Boom Height Kickout And Return-To-Dig Circuit Functional Schematic
Boom Height Kickout And Return-To-Dig Circuit Diagnostics
Boom Height Kickout And Return-To-Dig Circuit Diagnostic Procedures
Front And Rear Wiper Circuit Operational Information
Front And Rear Wiper Circuit Theory Of Operation
Front And Rear Wiper Circuit Functional Schematic
Front And Rear Wiper Circuit Diagnostics
Front And Rear Wiper Circuit Diagnostic Procedures
Brake Light Circuit Specifications
Brake Light Circuit Operational Information
Brake Light Circuit Theory Of Operation
Brake Light Circuit Functional Schematic
Brake Light Circuit Diagnostics
Brake Light Circuit Diagnostic Procedures
Heater/Pressurizer Circuit Operational Information
Heater/Pressurizer Circuit Theory Of Operation
Heater/Pressurizer Circuit Functional Schematic
Heater/Pressurizer Circuit Diagnostics
Heater/Pressurizer Circuit Diagnostic Procedures
Air Conditioning Circuit Specifications
Air Conditioning Circuit Operational Information
Air Conditioning Circuit Theory Of Operation
Air Conditioning Circuit Functional Schematic
Air Conditioning Circuit Diagnostics
Air Conditioning Circuit Diagnostic Procedures
Defroster Pressurization Circuit Operational Information
Defroster Pressurization Circuit Theory Of Operation
Defroster Pressurization Circuit Functional Schematic
Defroster Pressurization Circuit Diagnostics
Defroster Pressurization Circuit Diagnostic Procedures
Turn Signal And -Way Flasher Circuit Operational Information
Turn Signal And -Way Flasher Circuit Theory Of Operation
Turn Signal And -Way Flasher Circuit Functional Schematic
Turn Signal And -Way Flasher Circuit Diagnostics
Turn Signal And -Way Flasher Circuit Diagnostic Procedures
Cab And Canopy Work Light Circuit Operational Information
Cab And Canopy Work Light Circuit Theory Of Operation
Cab And Canopy Work Light Circuit Functional Schematic
Cab And Canopy Work Light Circuit Diagnostics
Cab And Canopy Work Light Circuit Diagnostic Procedures
Drive Light/Dome Light Circuit Operational Information
Drive Light/Dome Light Circuit Theory Of Operation
Drive Light/Dome Light Circuit Functional Schematic
Drive Light/Dome Light Circuit Diagnostics
Drive Light/Dome Light Circuit Diagnostic Procedures
Door Release/Radio/Horn/Rotary Beacon Circuit Operational Information
Door Release/Radio/Horn/Rotary Beacon Circuit Theory Of Operation
Door Release/Radio/Horn/Rotary Beacon Circuit Functional Schematic
Door Release/Radio/Horn/Rotary Beacon Circuit Diagnostics
Door Release/Radio/Horn/Rotary Beacon Circuit Diagnostic Procedures
Pin Disconnect/Ride Control/Spare Circuit Operational Information
Pin Disconnect/Ride Control/Spare Circuit Theory Of Operation
Pin Disconnect/Ride Control/Spare Circuit Functional Schematic
Pin Disconnect/Ride Control/Spare Circuit Diagnostics
Pin Disconnect/Ride Control/Spare Circuit Diagnostic Procedures
References
Battery Specifications
Battery Operation
Diagnose Battery Malfunctions
Batteries
Check Electrolyte Level and Terminals
Procedure For Testing Batteries
Using Booster Batteries— Volt System
Starter Operation
Alternator Operation— Amp Or Amp Bosch
Accessing Monitor Service Code Display
Monitor Service Code Interpretation
Program Monitor Display To Match Machine
Calibrate Tachometer
Transmission Electrical Circuit Test Procedure
Jumper Wire For Display Monitor
Replace CPC™, Large MATE-N-LOC™, And METRIMATE™ Pin Type Connectors
Transmission Sensor Adjustment
Disconnecting Tab Retainer Connectors
Secondary Steering Controller Bench Test
Power Train Operation And Tests
Theory Of Operation
Clutch Engagement and Solenoid Activation Charts
Power Train Component Overview
Drive Dampener
Torque Converter Operation
Transmission Operation—Neutral
Transmission Operation—st Gear Forward
Transmission Operation—nd Gear Forward
Transmission Operation—rd Gear Forward
Transmission Operation—th Gear Forward
Transmission Operation—st Gear Reverse
Transmission Operation—nd Gear Reverse
Transmission Operation—rd Gear Reverse
Clutch Operation
Transmission Hydraulic Components
Transmission Hydraulic System
Transmission Pump Operation
Transmission Control Valve Components (-Solenoid Valve)
Modulation Components And Shift Time (-Solenoid Valve)
Completed Shift—First Speed Forward (-Solenoid)
Shift Modulation Starts For nd, rd, Or th (-Solenoid)
Shift Modulation For nd, rd, And th (-Solenoid)
Completed Shift Modulation For nd, rd, Or th (-Solenoid)
Transmission Clutch Engagement And Solenoids Activated (-Solenoid)
Third Speed Neutral (-Solenoid)
First Speed—Forward (-Solenoid)
Second Speed—Forward (-Solenoid)
Third Speed—Forward (-Solenoid)
Fourth Speed—Forward (-Solenoid)
First Speed—Reverse (-Solenoid)
Second Speed—Reverse (-Solenoid)
Third Speed—Reverse (-Solenoid)
Thermal Bypass Valve Operation
Transmission Control Valve Components (-Solenoid Valve)
Modulation Components And Shift Time (-Solenoid Valve)
Control Valve In Neutral (-Solenoid)
Transmission Clutch Engagement And Solenoids Activated (-Solenoid)
Shift Modulation (-Solenoid)
First Speed—Forward (-Solenoid)
Second Speed—Forward (-Solenoid)
Third Speed—Forward (-Solenoid)
Fourth Speed—Forward (-Solenoid)
First Speed—Reverse (-Solenoid)
Second Speed—Reverse (-Solenoid)
Third Speed—Reverse (-Solenoid)
TeamMate™ II Axle Operation
John Deere TeamMate™ II Axles
Differential Lock Operation
Hydraulic Differential Lock Air Boost System
Turbocharger Boost For Differential Lock
Axle Shaft And Housing
Axle Disconnect Operation
Brake Hydraulic System Operation
Brake Pump Operation
Brake Pump Pressure Compensator—At Standby
Pressure Compensator—Pump Going Into Stroke
Brake Accumulator Operation
Wet Chambered Brake Valve Operation
Park Brake Operation
Pressure Reducing Valve—Differential Lock Off, Park Brake On
Pressure Reducing Valve—Differential Lock On, Park Brake Off
Hydraulic Tank Operation
System Operational Checks
Power Train Operational Checks
Brake System, Clutch Cut-Off, Differential Lock And Front Axle Disconnect Checks
Transmission Checks
Diagnostic Information
Procedure To Isolate Whether Transmission Control System Problem Is Electrical Or Hydraulic
Diagnose Transmission System Malfunctions
Diagnose Service Brake Malfunctions
Diagnose Differential/Axle Malfunctions
Diagnose Drive Line Malfunctions
Diagnose Park Brake Malfunctions
Hydraulic Circuit Symbols
Brake, Differential Lock, And Boom Lower Circuit Schematic
Power Train And Brakes System Component Location Diagram
First Forward Schematic
Adjustments
Front Axle Disconnect Adjustment
Clutch Cut-Off Adjustment
Adjust Park Brake (SN —)
External Service Brake Inspection
Hydraulic Brake Bleeding Procedure
Charge Brake Accumulator
Brake Pump And Differential Lock System Oil Clean-Up Procedure Using Portable Filter Caddy
Transmission Sensor Adjustment
Tests
JT Clamp-On Electronic Tachometer Installation
JT Digital Thermometer Installation
Display Monitor Tachometer
Transmission Oil Warm-Up Procedure
Brake, Differential Lock, And Hydraulic System Oil Warm-Up Procedure
Transmission Pump Flow Test
Transmission System Pressure, Element Leakage, And Shift Modulation Test
Transmission Lube Pressure Test
Converter Relief Pressure Test
Converter-In Pressure Test
Converter-Out Pressure Test
Converter-Out Flow Test
Transmission Oil Cooler Backflush Procedure
Transmission Oil Cooler Restriction Test
Pressure Reducing Valve Manifold Leakage Test
Transmission Oil Cooler Thermal Bypass Valve Test
Transmission Oil Cooler Bypass Valve Pressure Test
Torque Converter Stall Speed Test
Brake Pump Flow Test
Brake Pump Standby Pressure Test
Brake Accumulator Precharge Test
Brake Valve Pressure Test
Brake Valve Leakage Test
Brake Accumulator Inlet Check Valve Leakage Test
Park Brake Pressure Test
Differential Lock Pressure Test
Differential Lock Leakage Test
Axle Bearing Adjustment Check
No-Spin Differential Test
Hydraulic System Operation And Tests
Theory Of Operation
Main Hydraulic Pump Operation
Steering System Components Operation
Steering Circuit Operation—Right Turn
Priority Valve Operation
Steering Valve Operation
Steering Cylinder Operation
Secondary Steering System Operation
Secondary Steering Inlet Manifold Operation
Loader Hydraulic System Operation
Pressure Reducing Valve—Secondary Boom Lower Operation
Pilot Controller Operation (Serial Number —)
Pilot Controller—Boom Float (Serial Number —)
Pilot Controller—Bucket Rollback (Serial Number — )
Boom Section Operation
Bucket And Boom Section Pilot Orifice Check Valve
Bucket Section Operation—G, G, And G
Bucket Section Operation—G TC And G LL
Auxiliary Section Operation
System Relief Valve Operation
Circuit Relief Valve Operation
Anti-Cavitation Valve Operation
Loader Cylinder Information
Return Filter Operation
Hydraulic Reservoir Operation
Pin Disconnect Circuit Operation—G TC
Ride Control Operation—In “On” Position
Ride Control Operation—In “Off” Position
System Operational Checks
Hydraulic Operational Checks
Hydraulic System Checks
Steering System Checks
Diagnostic Information
Diagnose Hydraulic System Malfunctions
Hydraulic Circuit Symbols
Adjustments
Hydraulic Oil Clean-Up Procedure Using Portable Filter Caddy
Boom Height Kickout Adjustment
Return-To-Dig Adjustment
Charge Ride Control Accumulator
Test
JT Clamp-On Electronic Tachometer Installation
JT Digital Thermometer Installation
Display Monitor Tachometer
Hydraulic Oil Warm-Up Procedure
Main Hydraulic Pump Flow Test
Loader System And Circuit Relief Valve Pressure Test
Hydraulic System Restriction 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 Pressure Test
Priority Valve “LS” Port Flow Test
Priority Valve Relief Cartridge Leakage 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 (Serial Number —)
Pilot Control Valve Pressure Test (Serial Number —)
Pressure Reducing Valve Pressure Test
Cycle Time Test
Hydraulic Oil Filter Inspection Procedure
Pin Disconnect Solenoid Valve Leakage Test
Pin Disconnect Cylinder Leakage Test
Air Conditioning System
Theory Of Operation
Proper Refrigerant Handling
R And Ra Refrigerant Cautions
Refrigerant Theory Of Operation
Air Conditioner Circuit Operational Information
Air Conditioning Circuit Theory Of Operation
Air Conditioning Circuit Schematic
Defroster Pressurization Circuit Operational Information
Defroster Pressurization Circuit Operation
Heater/Pressurizer Circuit Operational Information
Heater/Pressurizer Circuit Theory Of Operation
Receiver/Dryer Operation
Expansion Valve Operation
Compressor Relief Valve Operation
Temperature Control
System Operational Checks
Air Conditioning Operational Checks
Visual Inspection Of Components
System Operating Checks
System Performance Checks
Air Conditioner Electrical Circuit Checks
Diagnostic Information
Diagnose Air Conditioning Electrical Malfunctions
Air Conditioning Component Location Drawing
Adjustments
Special Or Essential Tools
Proper Refrigerant Handling
R And Ra Refrigerant Cautions
R Component Oil Charge
R Refrigerant Evacuation And Charging Station Installation Procedure
Recover R System
Evacuate R System
Charge R System
Ra Compressor Oil Information
Ra Compressor Oil Charge Check
Ra Compressor Oil Removal
Ra Component Oil Charge
Ra Refrigerant Recovery/Recycling And Charging Station Installation Procedures
Ra Refrigerant Recovery
Evacuate Ra System
Charge Ra System
Check And Adjust Compressor Belt Tension
Tests
Special Or Essential Tools
Proper Refrigerant Handling
R And Ra Refrigerant Cautions
R Air Conditioning System Test
Ra Air Conditioning System Test
Operating Pressure Diagnostic Chart
Pressure Diagnostic Chart
Low Pressure Switch Test
High Pressure Switch Test
Clutch Cycle Switch
Leak Testing
Refrigerant Hoses And Tubing Inspection
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