5.4
Remove the components
Remove the pump
•
Open both quick-release closures.
•
Open the one-handed closure on the flap housing.
•
Open the swivel connection.
•
The pump can be lifted out without any tools.
Remove the level detection
•
Unscrew both screws (TX25).
•
Pull out the probe including bracket.
•
Repeat the procedure for the second probe.
Remove the lockable cover and the slide-in flap housing
•
Open both quick-release closures.
•
Remove the cover with motor.
•
Pull out the slide-in flap housing with backwater flap.
•
Check the backflow preventer:
• Check whether the backflow preventer closes completely.
To do this, actuate the flap and listen for a "plop" sound.
• Check seals for damage.
• Clean if soiled. If the backflow preventer is worn,
replace it (see "Fig. [25]").
2019/12
Maintenance
45 / 152
1
2x
3
Fig. [23]
Fig. [24]
4
1
2x
2x
2x
Fig. [25]
2
3
2
010-843