Left Side:

Unlock flap (2) with lever (1) and open.

Fig 1: Unlocking Flap

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Snap out flap (1) in direction of arrow and remove.

Fig 2: Removing Flap

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Installation: 

Following parts of flap (4) must not be damaged or missing:

1. Mountings.
2. Lock.
3. Screws.
   Fig 3: Identifying Mountings, Screws And Lock

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