Volkswagen Polo Service & Repair Manual: A/C System, General Information
- Introduction
- Additional Information Sources
- A/C Technology Basic Principles
- Refrigerant R134a Vapor Pressure Table
- Refrigerant R134a
- Refrigerant R134a Characteristics
- Refrigerant Oil
- Comfort
- A/C System Operation
- Safety Precautions
- A/C System and Refrigerant R134a Safety Precautions
- Refrigerant Circuit, General Precautions
Introduction
The purpose of this Repair Manual is to provide foremen and
mechanics with the basic knowledge needed to ensure expert
working.
Note
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Other materials:
General Information
In order to be able to force moisture and other contaminants
out of refrigerant circuit, compressed air and nitrogen (to
force moisture out of refrigerant circuit) are to be used.
For the most part, blowing through the refrigerant circui ...
Loading the trailer
First read and observe the introductory information
and safety warnings
Trailer weight and drawbar load
The trailer weight is the weight that the vehicle can pull . The drawbar load
is the weight that the towing bracket exerts on the ball coupling vertically from
above .
The figures for tr ...
Refrigerant Circuit with Expansion Valve
A-Low pressure side of refrigerant circuit.
B-High pressure side of refrigerant circuit.
Component
Aggregate State of Refrigerant
Pressure bar (psi) Positive Pressure
Temperature
...
