Scania Draining climate control Service Manual

Draining climate control system

WARNING!

IMPORTANT!

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SUC

DIS

Components of the AC system:

1. Compressor

2. Condenser

3. Dehydrator

4. Expansion valve

5. Evaporator

6. Maintenance valve, High pressure DIS

General

Applies to refrigerant R134a

Wear protective gloves and goggles.

Welding, smoking or heating are not allowed if there is refrigerant present in the air.
Refrigerant generates a very toxic gas when heated.

Tools

Examples of suitable tools from Scania:

Part number Designation

588 431 Recycling station

General

Work description

1. Remove the protective caps from the maintenance valves and connect recycling

station 588 431 to the high pressure and low pressure sides. The maintenance
valves for the high and low pressure sides are of different dimensions and require
different size quick release couplings.

2. Drain the refrigerant (R134a) slowly.

Refrigerant must not be released into the atmosphere but must be recycled according
to local regulations.

03:23-00 Issue 1 en-GB 1 (1)

©

Scania CV AB 2012, Sweden