Pentair Riversoft Installer Manual page 74

Installer Manual Riversoft - Maintenance
8.5.7.5 Cleaning / replacing flappers
No.
Remove the softener and valve covers, see 8.5.2. Covers removal (softener and valve),
A
page 63.
B Remove the motor and camshaft, see 8.5.7.3 Motor and camshaft replacement, page 71.
C Remove the optical sensor, see 8.5.7.4 Optical sensor replacement, page 72.
CAUTION
Beware of sharp edges when unmounting the flapper spring. Use of protective glove is
highly recommended to remove the spring (4).
D Loosen the four screws (5).
Using a flat screwdriver, release the flapper springs one by one and then remove the
E
spring (4).
F Loosen all top plate screws (3).
G Remove the top plate (2) from the valve.
H Clean or replace the flappers (1) if needed.
NOTE

The outline of the flapper seat can be seen on the flapper side. If the outline is irregular,
this may indicate that debris is or has been preventing the flapper (1) from closing, and
potential damages.
I Remount flappers (1).
Once all flappers (1) are back in place, position the top plate (2) and screw it back
J
following the figure order in green.
Position the one-piece spring (4) back to its place, locking it on its mounting pin and pads.
K
Screw it back following the figure order in red.
Using a small flat screw driver, push on each part of the spring (4) to clip it back into the
L
flappers (1) lever.
M Remount the optical sensor, see 8.5.7.4 Optical sensor replacement, page 72.
N Remount the motor and camshaft, see 8.5.7.3 Motor and camshaft replacement, page 71.
Remount the softener and valve covers, see 8.5.2. Covers removal (softener and valve),
O
page 63.
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
Operation
Ref. MKT-IM-045 / A - 13.03.2020