Service manual

Printed in U.S.A.
Page 30
ProFloSE Downflow
Service Instructions (Cont’d.)
TO REPLACE PISTON ASSEMBLY (Cont’d.)
5. Inspect the inside of the valve to make sure that all
spacers and seals are in place, and that there is no
foreign matter that would interfere with the valve
operation.
6. Take new piston assembly as furnished and push
piston into valve by means of the end plug. Twist yoke
carefully in a clockwise direction to properly align it
with drive gear. Replace end plug retainer plate.
7. Place timer on top of valve. Be sure drive pin on main
gear engages slot in drive yoke.
8. Replace timer mounting screws. Replace screw and
washer at drive yoke.
9. Return by-pass or inlet valving to normal service
position. Water pressure should now be applied to the
conditioner, and any by-pass line shut off.
10. Replace the control valve back cover.
11. Follow Steps A.12 through A.15.
D. TO REPLACE SEALS AND SPACERS
1. Follow Steps A.1 through A.3.
2. Remove the control valve back cover. Remove the
control valve front cover. Disconnect the meter dome
signal wire from the front cover and feed it back
through the control.
3. Remove screw and washer at drive yoke. Remove
timer mounting screws. The entire timer assembly will
now lift off easily. Remove end plug retainer plate.
4. Pull upward on end of piston rod yoke until assembly
is out of valve. Remove and replace seals and spacers.
5. Take piston assembly and push piston into valve by
means of the end plug. Twist yoke carefully in a
clockwise direction to properly align it with drive gear.
Replace end plug retainer plate.
6. Place timer on top of valve. Be sure drive pin on main
gear engages slot in drive yoke.
7. Replace timer mounting screws. Replace screw and
washer at drive yoke.
8. Return by-pass or inlet valving to normal service
position. Water pressure should now be applied to the
conditioner, and any by-pass line shut off.
9. Replace the control valve back cover.
10. Follow Steps A.12 through A.15.
E. TO REPLACE METER
1. Follow Steps A.1 through A.3.
2. Remove two screws and clips at by-pass valve or
yoke. Pull resin tank away from plumbing
connections.
3. Pull meter module out of control valve.
4. Remove signal wire from meter module, (snap tab on
end opposite wire cable).
5. Apply silicone lubricant to four new O-rings and
assemble to four ports on new meter module.
6. Install signal wire into new meter module.
7. Assemble meter to control valve. Note, meter portion
of module must be assembled at valve outlet.
8. Push resin tank back to the plumbing connections and
engage meter ports with by-pass valve or yoke.
9. Attach two clips and screws at by-pass valve or yoke.
Be sure clip legs are firmly engaged with lugs.
10. Return by-pass or inlet valving to normal service
position. Water pressure should now be applied to the
conditioner, and any by-pass line shut off.
11. Check for leaks at all seal areas.
12. Follow Steps A.12 through A.15.