RJ150-30 / Operations and Maintenance Manual
Mobile Aircraft Air Conditioner
Trailer Mounted, Cool Mode Only
_____________________________________________________________________________
JANUARY 20, 2004
TABLE OF CONTENTS
PAGE 3
HEADING
PAGE
CHAPTER 2 - MAINTENANCE
SECTION 1. SERVICING
1. GENERAL ........................................................................................ 1
2. UNIT MAINTENANCE / SERVICING AND INSPECTIONS .............. 1
A. Preparation for Maintenance/Servicing ....................................... 2
B. Return To Service ........................................................................ 2
C. Periodic Preventive Maintenance Schedules............................... 4
3. AIR CONDITIONING SYSTEM ......................................................... 9
A. Special Tools and Equipment ...................................................... 9
B. Refrigeration System Access....................................................... 9
C. Compressors ............................................................................... 14
D. Refrigerant................................................................................... 16
E. Checking Refrigerant Charge ...................................................... 16
F. Charging Refrigerant................................................................... 17
G. Refrigerant Leak Testing ............................................................. 18
H. Refrigerant Leak Repair............................................................... 19
I. Refrigerant System Evacuation.................................................... 19
J. Preventing Moisture and Air Entry................................................ 21
K. Servicing the Expansion Valves................................................... 24
L. Servicing the Filter-Drier............................................................... 24
M. Servicing the Blower Assembly ................................................... 24
4. RUNNING GEAR............................................................................... 25
SECTION 2. TROUBLESHOOTING
1. GENERAL ........................................................................................ 1
2. TROUBLESHOOTING CHART ........................................................ 2
A. Using the Troubleshooting Chart ................................................ 2
B. Support Test Equipment Required .............................................. 3
C. Component Failure ...................................................................... 3
3. SCHEMATICS AND WIRING DIAGRAMS ....................................... 6
SECTION 3. REMOVAL / REPLACEMENT
1. GENERAL ........................................................................................ 1
2. AIR CONDITIONING SYSTEM ........................................................ 1
A. Inlet Air Filters.............................................................................. 6
B. Blower Assembly ......................................................................... 7
C. Condenser Fan............................................................................ 9
3. BATTERIES....................................................................................... 10
4. RADIATOR / CONDENSER COIL ASSEMBLY................................. 10
