CHAPTER 21 - ENVIRONMENTAL SYSTEM
TABLE OF CONTENTS/EFFECTIVITY
CHAPTER
SECTION GRID
SUBJECT SUBJECT NO, EFFECTIVITY
21-00-00 GENERAL 1F15
21-40-00 HEATING 1F15
21-41-00 Description and Operation 1F15
21-42-00 Heater Maintenance 1F15
21-50-00 COOLING 1F17
21-51-00 Description and Operation 1F17
21-52-00 Servicing Cooling System 1G1
21-52-00 Malfunction Detection 1G1
21-52-00 Special Servicing Procedures 1G3
21-52-00 System Servicing Precautions 1G3
21-52-00 Service Valves 1G4
21-52-00 Service Valve Replacement 1G5
21-52-00 Test Gauge and Manifold Set 1G6
21-52-00 Checking the System for Leaks 1G6
21-52-00 Leak Check - Method I 1G8
21-52-00 Leak Check - Method II 1G9
21-52-00 Discharging 1G9
21-52-00 Evacuating the System 1G10
21-52-00 Charging the System 1G11
21-52-00 With a Charging Stand 1G12
21-52-00 Using the Airplane Compressor to Charge the System 1G13
21-52-00 Addition of Partial Charge to System 1G14
21-53-00 Compressor 1G15
21-53-00 Compressor Service 1G15
21-53-00 Compressor Removal 1G15
21-53-00 Compressor Installation 1G16
21-53-00 Checking Compressor Oil 1G16
21-53-00 Replacement of Compressor Drive Belt 1G17
21-53-00 Adjustment of Drive Belt Tension 1G19
21-53-00 Magnetic Clutch Removal 1G20
21-53-00 Magnetic Clutch Installation 1G20
21-53-00 Refrigerant Lines and Routing 1G21
21-54-00 Receiver-Dehydrator 1G22
21-54-00 Receiver-Dehydrator Removal 1G22
21-54-00 Receiver-Dehydrator Installation 1G22
21-55-00 Condenser 1G22
21-55-00 Condenser Removal 1G22
21-55-00 Condenser Installation 1G23
21-55-00 Condenser Door Actuator 1G23
21-55-00 Condenser Assembly Rigging Instructions 1G23
21 - Cont./Effec.
Page - 1
Reissued: August 1, 1986
1F13
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL