4.
Installation
4.1
Installing the fittings
▶ Grease seals on the flap housing and backflow preventer if required.
▶ Clip on flap housing. ➊ (Ensure that both clips latch into the locking
simultaneously).
▶ Check whether the turn-lock fastener is locked in place. ➋
▶ Close quick-release closure. ➌
40
Installation and operating manual
2
3
1
Fig. [5]
016-059