Oceanic OCEAHC180B8 Guide D'utilisation page 45

Method 2:
1. Drill four 6 mm diameter holes and a 130 mm diameter hole in
the base of the cupboard.
2. Place the check valve on the hood, then place the hood under
the cupboard.
3. Secure the hood with the provided screws (maximum length
35 mm), nuts and washers.
CAUTION: if the lamps do not work, check that they are tight.
Installing the hood
Screws (4 mm × 35 mm)
17