New Holland T8010 Manual page 12

AIR CONDITIONER SYSTEM SERVICE.........................................................................SECTION 50, CHAPTER 2
SPECIFICATIONS ...................................................................................................................................... 50-2-4
SPECIAL TORQUES .................................................................................................................................. 50-2-4
SPECIAL TOOLS ........................................................................................................................................ 50-2-4
SAFETY PROCEDURES ............................................................................................................................ 50-2-9
AIR CONDITIONER SYSTEM REFRIGERANT RECOVERY .................................................................. 50-2-10
RECOVERING PURE 134A REFRIGERANT ........................................................................................... 50-2-12
RECOVERING CONTAMINATED REFRIGERANT WITH OEM1691 ...................................................... 50-2-16
Preparing the Tank .................................................................................................................................. 50-2-16
Recovery Process ................................................................................................................................... 50-2-20
AIR CONDITIONER SYSTEM EVACUATION AND RECHARGING ........................................................ 50-2-26
AIR CONDITIONING TEMPERATURE/PRESSURE CHART .................................................................. 50-2-33
A/C SYSTEM FLUSHING PROCEDURE ................................................................................................. 50-2-34
Required Tools ........................................................................................................................................ 50-2-35
Precautions ............................................................................................................................................. 50-2-36
Component Flushing Procedure with Power Flush 17550 ...................................................................... 50-2-37
Complete Circuit Flushing Procedure with Power Flush 17550 .............................................................. 50-2-41
Back Flushing the Thermal Expansion Valve or Refrigerant Line ........................................................... 50-2-46
Post Flushing Procedures ....................................................................................................................... 50-2-48
Flushing Solvent Disposal ....................................................................................................................... 50-2-50
LEAK DETECTION ................................................................................................................................... 50-2-51
Electronic Testing with OEM1437 ........................................................................................................... 50-2-52
Fluorescent Leak Detection .................................................................................................................... 50-2-53
Fluorescent Dye Injection ........................................................................................................................ 50-2-53
Fluorescent Leak Testing ........................................................................................................................ 50-2-59
A/C SYSTEM COMPONENTS ................................................................................................................. 50-2-60
Cab HVAC Box Components - Automatic Temperature Control ............................................................. 50-2-60
Cab HVAC Components - Standard Systems ......................................................................................... 50-2-62
Chassis Components .............................................................................................................................. 50-2-64
A/C COMPRESSOR CLUTCH ................................................................................................................. 50-2-65
Clutch Removal ....................................................................................................................................... 50-2-65
Exploded View of Clutch ......................................................................................................................... 50-2-71
Compressor Clutch Replacement ........................................................................................................... 50-2-71
A/C COMPRESSOR ................................................................................................................................. 50-2-79
Oil Level Check or Adjustment ................................................................................................................ 50-2-79
Compressor Removal ............................................................................................................................. 50-2-82
Compressor Installation .......................................................................................................................... 50-2-85
CONDENSER AND RECEIVER-DRIER ................................................................................................... 50-2-87
Condenser ............................................................................................................................................... 50-2-87
Receiver-Drier ......................................................................................................................................... 50-2-88
ACCESSING THE HVAC BOX ................................................................................................................. 50-2-90
THERMAL EXPANSION VALVE TESTING .............................................................................................. 50-2-92
THERMAL EXPANSION VALVE REPLACEMENT .................................................................................. 50-2-93
EVAPORATOR AND CAB TEMPERATURE SENSOR LOCATION ........................................................ 50-2-95
BLOWER MOTOR REPLACEMENT ........................................................................................................ 50-2-96
HEATER CONTROL VALVE REPLACEMENT ........................................................................................ 50-2-97
EVAPORATOR/HEATER ASSEMBLY ..................................................................................................... 50-2-98
Evaporator/Heater Assembly Removal ................................................................................................... 50-2-98
Evaporator/Heater Assembly Installation .............................................................................................. 50-2-101
Post Replacement Procedures ............................................................................................................. 50-2-104
EVAPORATOR/HEATER ASSEMBLY SEALING AND CLEANING ...................................................... 50-2-105
BLOWER AND EVAPORATOR REFERENCE ILLUSTRATION ............................................................ 50-2-106
CONTROLLER AND BLOWER SPEED DRIVER REPLACEMENT ...................................................... 50-2-107
ATC Controller ...................................................................................................................................... 50-2-107
Standard A/C Controller ........................................................................................................................ 50-2-107
Blower Speed Driver (ATC Units Only) ................................................................................................. 50-2-108
CAB AIR FILTER SERVICE ................................................................................................................... 50-2-109
T8010/T8020/T8030/T8040 MASTER TABLE OF CONTENTS
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