Enviro PILATUS PC12 - Page 8

Component Maintenance Manual
12037 N Highway 99
Seminole, OK 74868
Phone (405) 382-0731
Fax (405) 382-0737
http://www.enviro-ok.com
Copyright © 2017
ATA 21-00-23
Page | 8
Revision 10
June 1, 2017
ASSEMBLY ....................................................................................................................................................... 48
9.0 R-134A AIR CONDITIONING SYSTEM COMPONENT - ASSEMBLY ............................................... 48
9.1 General: ................................................................................................................................................ 48
9.2 Compressor Condenser Module Assembly Procedures ................................................................ 49
9.3 Evaporator Module Assembly Procedures ...................................................................................... 64
SPECIAL TOOLS, FIXTURES, AND EQUIPMENT .......................................................................................... 66
10.0 SPECIAL TOOLS/EQUIPMENT........................................................................................................... 66
10.1 General: ................................................................................................................................................ 66
ILLUSTRATED PARTS LIST ............................................................................................................................ 68
11.0 R-134A AIR CONDITIONING SYSTEM COMPONENT ILLUSTRATED PARTS LISTING ............... 68
11.1 Introduction: ........................................................................................................................................ 68
SPECIAL PROCEDURES ................................................................................................................................. 78
12.0 SPECIAL PRODECURES .................................................................................................................... 78
12.1 Expansion Valve Alignment: .............................................................................................................. 78
12.2 Balancing Multiple Evaporators: ....................................................................................................... 80
12.3 Motor Insulation Resistance Check: ................................................................................................. 80
12.4 Motor Bearing Inspection: ................................................................................................................. 81
12.5 Compressor Bearing Inspection: ...................................................................................................... 81
12.6 Compressor Oil Level Check: ............................................................................................................ 82
SERVICING ....................................................................................................................................................... 83
13.0 R-134A AIR CONDITIONING SYSTEM SERVICING PROCEDURES ............................................... 83
13.1 General: ................................................................................................................................................ 83
13.2 Evacuating the system (R-134A): ...................................................................................................... 84
13.3 Charging the system (R-134A): ......................................................................................................... 84
13.4 Flushing The System (R-134A): ......................................................................................................... 85
STORAGE ......................................................................................................................................................... 87
14.0 COMPRESSOR CONDENSER MODULE ASSEMBLY STORAGE PROCEDURES ......................... 87
14.1 General: ................................................................................................................................................ 87
14.2 System Long Term Shelf Storage: .................................................................................................... 87
14.3 System Off-Season/On-Aircraft Functional Tests: .......................................................................... 88
14.4 General System Component Storage procedures: ......................................................................... 88