International 3200, 4000, 7000, 8000 Truck Air Conditioning Service Manual (-2007)

$29.99 $24.99

Covers: International trucks built before March 2007

  • 3200
  • 4100, 4200, 4300, 4400
  • 7300, 7400, 7500, 7600, 7700
  • 8500, 8600

Pages: 249
Format: PDF download
File size: 4mb
Compatibility: Windows/Mac/Mobile
Notes: Instant digital download only – no printed book or CD-ROM media.

This downloadable service manual includes specifications, illustrations, operating instructions, service procedures and troubleshooting information for the Heating, Ventilation and Air Conditioning (HVAC) system used in International 3200, 4100, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 7700, 8500, 8600 trucks built before March 2007. Please refer to your VIN tag for the build date.

Topics:

SAFETY

GENERAL DESCRIPTION
SYSTEM OPERATIONAL DESCRIPTION
Air Distribution (General)
Air Distribution (Air Conditioning)
Air Distribution (Heat and Ventilation)
Air Distribution (Defrost)
A/C Refrigerant Flow
THE ELECTRICAL SYSTEM CONTROLLER AND THE RCD SYSTEM
COMPONENTS
Compressor and Clutch
Condenser
Pressure Transducer
Orifice Tube (Evaporator Input Orifice)
Evaporator
Accumulator
Thermistors (Evaporator Inlet and Outlet)
HVAC Plumbing
Cooling Fan Drive Solenoid Valve
Heater Core
Blower Assembly
Linear Power Module.
HVAC Control Panel

3. GENERAL OPERATION
CONTROL ASSEMBLY
BLOWER FAN SPEED CONTROL
TEMPERATURE CONTROL
MODE CONTROL
MAX Air Conditioning Mode
NORM Air Conditioning Mode
BI-Level Air Conditioning Mode
Vent Mode
Floor Mode
Mix Mode
Defrost
DEHUMIDIFYING

SYSTEM MAINTENANCE
PRE-SEASON SERVICING
OFF-SEASON CARE
AIR FILTER

DIAGNOSIS AND TROUBLESHOOTING
Refrigerant Control and Diagnostic (RCD) System
Observing the RCD Signals with the EZ-Tech® Service Tool
Diagnostic Trouble Codes
Fault Identification Procedure
DIAGNOSTIC CHART A
DIAGNOSTIC CHART B
PHYSICAL CHECKS
Physical Check Procedure
Refrigerant Compressor
Condenser
High Pressure Transducer
Thermistors
Clutch Cycling Orifice Tube4
Evaporator
Accumulator
Line Restrictions
A/C SYSTEM PERFORMANCE TEST PROCEDURE
ABNORMAL GAUGE READINGS
TROUBLESHOOTING TABLES

REMOVE AND INSTALL
PRESSURE TRANSDUCER
THERMISTORS
CONDENSER CORE
A/C COMPRESSOR/CLUTCH
COWL DRAIN TRAY/HVAC AIR INLET
AIR FILTER
A/C REFRIGERANT LINE (SUCTION LINE COMPRESSOR-TO-ACCUMULATOR)
A/C REFRIGERANT LINE (DISCHARGE LINE COMPRESSOR-TO-CONDENSER)
A/C REFRIGERANT LINE (CONDENSER-TO-EVAPORATOR)
CLUTCH CYCLING ORIFICE TUBE
A/C REFRIGERANT LINE (ORIFICE LINE, INCLUDING CLUTCH CYCLING ORIFICE TUBE) ACCUMULATOR
ACTUATOR, (FRESH/RECIRCULATE) AIR DOOR
AIR CONDITIONER (EVAPORATOR) HOUSING
FRESH/RECIRCULATE AIR DOOR (DAMPER)
EVAPORATOR CORE
HEATER TRIM COVER
ACTUATOR MOTOR, TEMPERATURE BLEND DOOR
ACTUATOR MOTOR, MODE DOOR
BLOWER SCROLL HOUSING
LINEAR POWER MODULE
BLOWER ASSEMBLY
HEATER CORE
HEATER HOUSING
HVAC CONTROL PANEL ASSEMBLY

SERVICE PROCEDURES FOR R-134A
SERVICE WARNINGS
SERVICE PROCEDURES
REFRIGERANT IDENTIFICATION
MANIFOLD GAUGE SET
DISCHARGING THE SYSTEM (REFRIGERANT RECOVERY)
EVACUATING THE SYSTEM
CHARGING THE AIR CONDITIONING SYSTEM (FULL CHARGE)
ADDING REFRIGERANT TO THE SYSTEM
PURGING OR FLUSHING THE AIR CONDITIONING SYSTEM
OIL FILL GUIDELINES
CHECKING COMPRESSOR OIL LEVEL
LEAK DETECTION

HVAC ELECTRICAL CIRCUITS OVERVIEW
REFRIGERANT CONTROL AND DIAGNOSTIC (RCD) SYSTEM
OBSERVING THE RCD SIGNALS WITH THE EZ-TECH® SERVICE TOOL

HVAC CONTROL HEAD CIRCUITS
CIRCUIT FUNCTIONS
FAULT DETECTION MANAGEMENT
EXTENDED DESCRIPTION
COMPONENT LOCATIONS

AC COMPRESSOR CIRCUITS
CIRCUIT FUNCTIONS
FAULT DETECTION MANAGEMENT
EXTENDED DESCRIPTION
COMPONENT LOCATIONS

RECIRCULATION ACTUATOR MOTOR CIRCUIT
CIRCUIT FUNCTIONS
FAULT DETECTION MANAGEMENT
EXTENDED DESCRIPTION
COMPONENT LOCATIONS

MODE ACTUATOR MOTOR CIRCUIT
CIRCUIT FUNCTIONS
FAULT DETECTION MANAGEMENT
EXTENDED DESCRIPTION
COMPONENT LOCATIONS

TEMPERATURE ACTUATOR MOTOR CIRCUIT
CIRCUIT FUNCTIONS
FAULT DETECTION MANAGEMENT
EXTENDED DESCRIPTION
COMPONENT LOCATIONS

BLOWER MOTOR CIRCUIT
CIRCUIT FUNCTIONS
FAULT DETECTION MANAGEMENT
EXTENDED DESCRIPTION
COMPONENT LOCATIONS

AC REFRIGERANT THERMISTOR CIRCUITS
CIRCUIT FUNCTIONS
FAULT DETECTION MANAGEMENT
EXTENDED DESCRIPTION
THERMISTOR CONNECTOR REPAIR
COMPONENT LOCATIONS

AC PRESSURE TRANSDUCER CIRCUIT
CIRCUIT FUNCTIONS
FAULT DETECTION MANAGEMENT
EXTENDED DESCRIPTION
COMPONENT LOCATIONS

SPECIFICATIONS
TORQUE CHART
AIR CONDITIONING SYSTEM

SPECIAL TOOLS.
RECOVERY/RECYCLING/RECHARGING STATION
MANIFOLD AND GAUGE SET
ELECTRONIC VACUUM GAUGE AND MANIFOLD
REFRIGERANT IDENTIFIER
ELECTRONIC LEAK DETECTOR
ULTRAVIOLET LAMP LEAK DETECTOR
FLUSH GUN
DIGITAL THERMOMETER
BLOCK FITTING ADAPTERS
ELECTRONIC SERVICE TOOL (EST), EZ-TECH

GLOSSARY

TROUBLESHOOTING QUICK TIPS
HVAC SYSTEM OPERATING PARAMETERS
COMMON CONDITIONS THAT CAUSE POOR OR NO A/C OPERATION

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