Removing Air Conditioning Compressor

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WARNING: Refrigerant

Danger of freezing
→ Avoid contact with refrigerant.

→ Wear personal protective gear.

→ Observe the safety regulations for working on air-conditioned vehicles and handling refrigerant.

→ Observe the safety regulations for extraction and filling systems.

→ Observe the instructions for repairing air-conditioning systems and storing spare parts.

Remove drive belt -1- for air-conditioning compressor.

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Removing drive belt for air-conditioning compressor

1.1 Remove protection cap -3- .

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Removing drive belt for air-conditioning compressor

1.2 Loosen fastening screw -5- .

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Loosening drive belt for air-conditioning compressor

1.3 Insert change-over ratchet with socket-wrench insert Torx T55 into the recess -6- on the eccentric adjuster and turn clockwise -arrow- until the tensioning roller -2- snaps upwards and the drive belt -1- is loose.

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Loosening drive belt for air-conditioning compressor

1.3.1 Remove drive belt from the pulley on the air-conditioning compressor.

Release and disconnect electric plug connection -2- .

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Pressure line holder on air-conditioning compressor
Unscrew fastening screws -1- .

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Fastening screws on compressor
NOTE:
Opened refrigerant system for repairs.
- Risk of moisture getting into the refrigerant system.
- Risk of contaminating the refrigerant circuit.
- Risk of saturation and irreparable damage to desiccator.
- Irreparable damage to the desiccator can damage the compressor and evaporator.
  → After opening the refrigerant circuit, close off the refrigerant lines/connections immediately using the relevant stoppers. To avoid contaminating the refrigerant circuit, the stoppers for the different refrigerants must be stored and used separately.
  
  → The desiccator must be replaced if the air humidity is high and if the refrigerant circuit is left open for a long time.
Disconnect refrigerant lines -3- at the air-conditioning compressor.

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Fastening screws on compressor
1. 4.1 Get a second mechanic to hold the air-conditioning compressor securely.
2. 4.2 Unscrew fastening screws -2- .
3. 4.3 Remove refrigerant lines -3- .
Remove air-conditioning compressor in a downward direction.