AirComm Corporation Bell Air Conditioner 206L4 Installation Instructions with TORQLOK Plumbing

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS - 206EC-270M-1 
Revision H   January 19, 2015 
1575 W. 124th Ave., Westminster CO 80234 Tel 303-440-4075 | Fax 303-440-6355 http://www.aircommcorp.com/ | [email protected] 
 
 
 
 
 
 
 
 
AIR COMM CORPORATION  
1575 W. 124th Avenue 
WESTMINSTER, CO. 80234 
PHONE: 303-440-4075 FAX: 303-440-6355 
[email protected] 
 
 
 
INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 
BELL HELICOPTER 206L4 
AIR CONDITIONING SYSTEM  
 
 
 
 
THIS HANDBOOK INCLUDES THE MAINTENANCE...

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS - 206EC-270M-1 
 
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RESTRICTED DISCLOSURE NOTICE 
 
THIS PUBLICATION IS THE PROPRIETARY INTELLECTUAL PROPERTY OF AIR COMM 
CORPORATION AND IS DELIVERED TO THE RECIPIENT WITH THE EXPRESS CONDITION 
THAT IT AND THE INFORMATION CONTAINED HEREIN ARE NOT TO BE USED, DISCLOSED 
OR REPRODUCED IN PART OR IN WHOLE, FOR ANY PURPOSE WITHOUT THE EXPRESS 
WRITTEN CONSENT OF AIR COMM CORPORATION. NO RIGHT IS GRANTED TO THE 
RECIPIENT TO...

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS - 206EC-270M-1 
 
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LIST OF EFFECTIVE PAGES 
 
LIST OF EFFECTIVE PAGES 
Title Page(s) Revision No. 
Record of Revisions iii H 
List of effective Pages  iv H 
Table of Contents v-vi H 
Chapter 1 Introduction 1-6 H 
Chapter 2 Airworthiness Limitation Section  7 H 
Chapter 3 Inspections  8-12 H 
Chapter 4 Location and Access 13-20 H 
Chapter 5 Placards and Markings 21-23 H 
Chapter 6 Servicing 24-26 H 
Chapter 7 Standard Practices  27-42 H...

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TABLE OF CONTENTS 
 
CHAPTER PAGE 
 
CHAPTER 1 ..................................................................................................................................... 1 
INTRODUCTION .......................................................................................................................... 1 
1....

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6. REMOVE AND REPLACE COMPRESSOR DRIVE BELT (Figure 12). ............................ 31 
7. REMOVE AND REPLACE COMPRESSOR DRIVE PULLEY (Figure 12) ........................ 35 
8. REMOVE AND REPLACE FORWARD EVAPORATOR (Figure 14) ................................. 35 
9. REMOVE AND REPLACE AFT EVAPORATOR (Figure 15) ............................................ 36 
10. REMOVE AND REPLACE AFT EVAPORATOR BLOWER (Figure 15)...

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CHAPTER 1 
INTRODUCTION 
1. SCOPE 
The scope of this manual encompasses the scheduled and unscheduled maintenance 
procedures for the continued airworthiness of the Air Comm Corporation air conditioning 
system installed in the Bell 206L4 series helicopter. 
2. PURPOSE  
The purpose of this manual is to provide the aircraft mechanic in the field the necessary  
information to maintain the air conditioning system.  
3....

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Pressure, ambient: The pressure of the air surrounding a body, normally measured in 
Pounds Per Square inch gauge, or PSIG. 
Refrigerant: A fluid which is used in an air conditioning system to absorb heat from the 
cabin and carry it outside the helicopter where it can be transferred to the outside air. 
Relative humidity: The ratio of the amount of water vapor in the air to the amount of water 
vapor required to saturate...

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7. PRECAUTIONS 
The following precautions are found throughout this manual, and will vary depending on the 
seriousness of the Hazard or Condition: 
WARNING: May  be a maintenance procedure, practice, condition, etc., which could result 
in personal injury or loss of life. 
CAUTION: May  be a maintenance procedure, practice, condition, etc., which could result 
in damage or destruction of equipment. 
NOTE: May  be a...

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12. CHANGES TO INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 
 Changes made to a line or paragraph of this document will be indicated by a vertical bar in 
the right hand margin, while a complete page change will be indicated by a vertical bar next 
to the page number. 
(Example: Any change will appear with a vertical bar next to that change). 
13. SYSTEM DESCRIPTION AND OPERATION 
 The 206EC-206 system is a vapor cycle type Air...