Component Maintenance Manual
12037 N Highway 99
Seminole, OK 74868
Phone (405) 382-0731
Fax (405) 382-0737
http://www.enviro-ok.com
TABLE OF CONTENTS
RECORD OF TEMPORARY REVISIONS ........................................................................................................... 4
LIST OF SERVICE BULLETINS ......................................................................................................................... 5
LIST OF EFFECTIVE PAGES ............................................................................................................................. 6
TABLE OF CONTENTS ...................................................................................................................................... 7
LIST OF ILLUSTRATIONS ................................................................................................................................. 9
LIST OF TABLES ................................................................................................................................................ 9
INTRODUCTION................................................................................................................................................ 10
1.0 MANUAL INTRODUCTION .................................................................................................................. 10
1.1 General introduction (How to Use): .................................................................................................. 10
1.2 Acronyms, Abbreviations, and Symbols: ......................................................................................... 11
1.3 Standard Torque Values: ................................................................................................................... 12
1.4 Documents required: .......................................................................................................................... 12
1.5 Consumable Products: ....................................................................................................................... 12
DESCRIPTION AND OPERATION ................................................................................................................... 13
2.0 R-134A AIR CONDITIONING SYSTEM DESCRIPTION AND OPERATION ...................................... 13
2.1 General: ................................................................................................................................................ 13
2.2 System Description and Operation: .................................................................................................. 14
2.3 System Component Description and Operation:............................................................................. 15
TESTING AND FAULT ISOLATION ................................................................................................................. 18
3.0 R-134A AIR CONDITIONING SYSTEM COMPONENT – TESTING AND FAULT ISOLATION ........ 18
3.1 General: ................................................................................................................................................ 18
3.2 Compressor Condenser Module Assembly Testing Procedures .................................................. 18
3.3 Evaporator Module Assembly Testing Procedures ........................................................................ 18
3.4 System Leak Check Testing Procedure: .......................................................................................... 19
3.5 Fault Isolation (Trouble Shooting): ................................................................................................... 21
SCHEMATIC AND WIRING DIAGRAMS .......................................................................................................... 25
4.0 R-134A AIR CONDITIONING SYSTEM SCHEMATIC AND WIRING DIAGRAMS ............................ 25
4.1 R-134A Refrigerant Flow Schematic: ................................................................................................ 25
DISASSEMBLY ................................................................................................................................................. 26
5.0 R-134A AIR CONDITIONING SYSTEM COMPONENT - DISASSEMBLY ......................................... 26
5.1 General: ................................................................................................................................................ 26
5.2 Compressor Condenser Module Disassembly Procedures ........................................................... 27
5.3 Evaporator Module Assembly Disassembly Procedures ............................................................... 33
CLEANING ........................................................................................................................................................ 34
6.0 R-134A AIR CONDITIONING SYSTEM COMPONENT – CLEANING PROCEDURES ..................... 34
6.1 General: ................................................................................................................................................ 34
6.2 Compressor Condenser Module Cleaning Procedures: ................................................................. 35
6.3 Evaporator Module Assembly Cleaning Procedures: ..................................................................... 36
CHECK (INSPECTION SCHEDULE) ................................................................................................................ 37
7.0 R-134A AIR CONDITIOING SYSTEM COMPONENT – INSPECTION SCHEDULE .......................... 37
7.1 Compressor Condenser Module Assembly Inspection Schedule: ................................................ 37
7.2 Evaporator Module Assembly Inspection Schedule: ...................................................................... 42
REPAIRS ........................................................................................................................................................... 43
8.0 R-134A AIR CONDITIONING SYSTEM COMPONENT – REPAIR PROCEDURES .......................... 43
8.1 General: ................................................................................................................................................ 43
8.2 Compressor Condenser Module Repair Procedures: ..................................................................... 43
8.3 Evaporator Module Assembly Repair Procedures: ......................................................................... 46
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