AirComm Corporation Beechcraft Bonanza Maintenance Manual

  Products, L.P.                         CR-36-10 System Service Manual 
 
LIST OF EFFECTIVE PAGES 
 
SUBJECT  PAGE  DATE  
Title i  July 29/02 
List of Revisions ii  July 29/02 
List of Effective Pages iii  July 29/02
Table of Contents iv  January 20/99 
Introduction 1  January 20/99 
Air Conditioning System Description 2  March 25/99 
 3  January 20/99 
 4  January 20/99 
Refrigerant Servicing 5  January 20/99 
 6  January 20/99 
 7 March 25/99 
General Servicing 8 March 25/99 
 9 July 6/99  
 10 July...

  Products, L.P.                                    CR-36-10 System Service Manual 
 
TABLE OF CONTENTS 
 
 
Subject  Page  
 
INTRODUCTION  1 
 
AIR CONDITIONING SYSTEM DESCRIPTION  
1. Air Conditioning System Description  2 
2. System Operation  4 
 
REFRIGERANT SERVICING  
1. General  5 
2. Discharging System  5 
3. Evacuating System  6 
4. Charging System  7 
 
GENERAL SERVICING   
1. General  8 
2. Inspection Intervals  8 
3. Plumbing System Maintenance Procedures 9 
4. Coil Cleaning Maintenance...

  Products, L.P.                                    CR-36-10 System Service Manual 
 
INTRODUCTION 
 
1. PURPOSE 
 
The purpose of this System Service Manual is to provide detailed instructions for 
the servicing, troubleshooting, checking and maintaining of the Beech Bonanza 
models F33A, V35/35A/35B, 36/A36/A36TC with Keith Products, Inc. air 
conditioning system installed. The System Service Manual supplements the 
Maintenance Manual supplied by Beechcraft for your particular aircraft. 
 
2. SCOPE...

  Products, L.P.                                    CR-36-10 System Service Manual 
 
 AIR CONDITIONING SYSTEM - SYSTEM DESCRIPTION 
 
1. AIR CONDITIONING SYSTEM DESCRIPTION 
 
The Keith Products vapor cycle air conditioning system uses liquid refrigerant 
R134a to cool the aircraft cabin.  The major components for the R134a air 
conditioning system consist of a receiver/dryer, expansion valve, evaporator, 
compressor and condenser to cool the aircraft cabin. The compressor on Keith 
Products Bonanza air...

  Products, L.P.                                    CR-36-10 System Service Manual 
 
 
 
 
 
 
Figure 1.  Air Conditioning Vapor Cycle System 
Page 3  

  Products, L.P.                                    CR-36-10 System Service Manual 
2. SYSTEM OPERATION 
 
The air conditioning system is operated with the engine operating and the aircraft 
electrical system providing 14VDC or 28 VDC to the main buss.  To operate the system 
proceed as follows: 
 
1)  Position the bowden cable so that  the butterfly valve in the aft-most-part 
of the ducting allows only air conditioning air to blow through the ducting.  
Incorrect positioning of the valve will result in...

  Products, L.P.                                    CR-36-10 System Service Manual 
  
REFRIGERANT SERVICING 
 
1. GENERAL 
 
The air conditioning system uses refrigerant R134a and the compressor lubricating 
oil used is Polyolester Oil viscosity grade (ISO) 68.  No other refrigerant or 
compressor oil should be used. 
 
Refrigerant R134a is non-explosive, non-flammable, non-corrosive, has practically 
no odor, and is heavier than air.  Although R134a is classified as a safe 
refrigerant, certain...

  Products, L.P.                                    CR-36-10 System Service Manual 
 
B. Tools and Equipment 
  
Designation 
 
Ref. No. 
 
Qty 
 
Remarks 
 
R134a Compatible 
Recycling/Recovery Unit 
 
Comm. Avail. 
 
1 
 
None 
 
C. Discharging Procedure 
1) Connect R134a compatible recycling/recovery unit to the R134a service 
valves on the aircrafts air conditioning system.  If recovery unit does not 
have pressure gauges, connect service pressure to air conditioning 
system. 
2) Discharge the air...