TESTO 420 Instruction Manual page 19

Large hood
(1220x610 mm, 1220x305 mm and 915x915 mm, accessories)
1. Install the aluminium frame and stretch the fabric hood over the
framework, so that the elastic band lies in the recess of the
frame. Make sure that the elastic band fits correctly, especially
at the corners.
2. Pull the lower end of the hood over the measurement base.
3. Attach the hood at two corners using the snap fasteners.
4. Tighten the closure.
5. Screw together a short and long section of the support rods (4x)
at the silver ends.
6. Push the support rods (4x) through the hood, along the
markings and into the funnel in the measurement base.
7. Push the support rods (4x) on the top of the hood into the
bracket
- The hood is installed.
7 Using the product
19