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
2.0R-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
