Replace heat exchanger

Preliminary work needed: 

• Remove HEATING AND AIR-CONDITIONING UNIT .

Removal: 

Release screw (1).

Unlock detents (2 and 3).

Remove cover (4).

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Remove screw (1).

Take off holder (2).

Pull the heat exchanger for the heating system (3) out of the heating and air-conditioning unit (4).

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Installation: 

Position cover (4) correctly.

Lock detents (2 and 3).

Tighten screw (1).

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Slide the heat exchanger for the heating system (3) into the heating and air-conditioning unit (4).

Position holder (2) correctly.

Tighten screw (1).

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Required follow-up work: 

• Install HEATING AND AIR-CONDITIONING UNIT .