Here is a wonderful refrigeration primer for anyone interested in fixing or restoring vintage refrigerators. Manual goes into the full explanations of how to determine if the systems are working perfectly and how to troubleshoot what is wrong if they are somehow not working properly.
Sections include:
TABLES
I Capacitor Test Wattage at Various Test Voltages
II Designations of Fluorocarbon Refrigerants
III Performance Data
IV Performance Data
V Vapor Pressure, PSIG
VI Refrig0Plate Temperatures
VII DrierFilter and Compressor Line Connector Kits
VIII RAC Typical Capacity Table
COMPONENT DIAGNOSIS
Forward
Safety
Procedure on Initial Service Call
Refrigeration Performance Complaints
Diagnosis Chart
Proper Use of VoltWattmeter
Proper Use of Compressor Test Cord with Wattmeter
RI CompressorElectrical Check
Checking Capacitors
REFRIGERATION SYSTEM
Evaporator
Compressor
Condenser
DrierFilter
Precaution Against Using Alcohol in Refrigeration Systems
Capillary Line
REFRIGERANTS
Care and Use of Refrigerant Drums
First Aid Treatment
PROCEDURE FOR INSTALLING PRESSURE GAUGES
Operating Pressure Test Procedure
SYSTEM PRESSURES
Use of Different Refrigerants
One Line of Products vs Another
Heat Load
Ambient or Room Temperature
Condenser
Refrigerant Charge
Incorrect Refrigerant Charge, Overcharge
Incorrect Refrigerant Charge, Shortage
Symptoms of a Refrigerant Shortage
Restriction
Air in the System
Inefficient Compressor
Refrigerant Oil
Burnt Oil Check
CYCLAMATIC SYSTEM
LEAK TEST PROCEDURE
EVACUATION PROCEDURE
RECHARGE PROCEDURE
COMPONENT REPAIR
Precautions
O-Ring Fittings
Soldering Procedure
Solders Soft
Solder Hard
Solder Making A Joint
General (Soldering)
Silver Soldering
COMPONENT REPLACEMENT OF COMPRESSORS OTHER THAN
FRIGIDAIRE RI COMPRESSORS
INSTRUCTIONS IN THE USE AND CARE OF THE VALVE CORE
ACCESS TOOL
ROOM AIR CONDITIONERS
Service Diagnosis and Testing
Thermostat Analysis Short
Cycling Condition Iced
Coil Condition Cool
Ambient Operation
Low Voltage
High Voltage
Motor Protector
Compressor
Fan and Blower Alignment
Fan Motor Oiling
Checking Capacity
Component Replacement
Component Refrigerant Line Connections
Compressor Replacement
Evaporator and Condenser Replacement
DrierFilter Installation
Charging Procedure Leak
Test