Pentair FLECK 5600 Service Manual page 22

SERVICE INSTRUCTIONS CONTINUED
Replace Piston Assembly
1. Unplug electrical cord from outlet.
2. Turn off water supply to conditioner:
A. If the conditioner installation has a "three valve"
bypass system, first open the valve in the bypass
line, then close the valves at the conditioner inlet and
outlet.
B. If the conditioner has an integral bypass valve, put it in
the Bypass position.
C. If there is only a shut-off valve near the conditioner
inlet, close it.
3. Relieve water pressure in the conditioner by putting the
control in the Backwash position momentarily. Return the
control to the In Service position.
4. Pull cable out of meter cover. Remove the control valve
back cover.
5. Remove screw and washer at drive yoke. Remove timer
mounting screws. The entire timer assembly now lifts off
easily. Remove end plug retainer plate.
6. Pull upward on end of piston yoke until assembly is out of
valve.
7. 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.
8. 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.
9. Place timer on top of valve. Be sure drive pin on main
gear engages slot in drive yoke (rotate control knob if
necessary).
10. Replace timer mounting screws. Replace screw and
washer at drive yoke.
11. Return bypass or inlet valving to normal In Service
position. Water pressure automatically builds in the
conditioner.
NOTE: Be sure to shut off any bypass line.
12. Plug electrical cord into outlet.
13. Set time of day, program wheel, and salt usage. Cycle the
control valve manually to assure proper function. Be sure
to return the control valve to the In Service position.
14. Replace the control valve back cover. Be sure grommet at
cable hole is in place.
15. Make sure there is enough brine in the brine tank.
16. Rotate program wheel counterclockwise until it stops at
Regeneration position.
17. Start regeneration cycle manually if water is hard.
18. Plug cable into meter cover. Rotate cable to align drive
flat if necessary.
Replace Seals and Spacers
1. Unplug electricial cord from outlet.
2. Turn off water supply to conditioner.
A. If the conditioner installation has a "three valve"
bypass system, first open the valve in the bypass
line, then close the valves at the conditioner inlet and
outlet.
22 • FLECK
5600 Service Manual
B. If the conditioner has an integral bypass valve, put it in
the Bypass position.
C. If there is only a shut-off valve near the conditioner inlet,
close it.
3. Relieve water pressure in the conditioner by putting the
control in the Backwash position momentarily. Return the
control to the In Service position.
4. Pull cable out of meter cover. Remove the control valve
back cover.
5. Remove screw and washer at drive yoke. Remove timer
mounting screws. The entire timer assembly now lifts off
easily. Remove end plug retainer plate.
6. Pull upward on end of piston rod yoke until assembly is
out of valve. Remove and replace seals and spacers with
fingers.
Replace Meter
1. Unplug electrical cord from outlet.
2. Turn off water supply to conditioner:
A. If the conditioner installation has a "three valve" bypass
system, first open the valve in the bypass line, then
close the valves at the conditioner inlet and outlet.
B. If the conditioner has an integral bypass valve, put it in
the Bypass position.
C. If there is only a shut-off valve near the conditioner inlet,
close it.
3. Relieve water pressure in the conditioner by putting the
control in the Backwash position momentarily. Return the
control to the In Service position.
4. Pull cable out of meter cover.
5. Remove two screws and clips at bypass valve or yoke. Pull
resin tank away from plumbing connections.
6. Remove two screws and clips at control valve. Pull meter
module out of control valve.
7. Apply silicone lubricant to four new O-rings and assemble
to four ports on new meter module.
8. Assemble meter to control valve. Note, meter portion of
module must be assembled at valve outlet.
9. Attach two clips and screws at control valve. Be sure clip
legs are firmly engaged with lugs.
10. Push resin tank back to the plumbing connections and
engage meter ports with bypass valve or yoke.
11. Attach two clips and screws at bypass valve or yoke. Be
sure clip legs are firmly engaged with lugs.
12. Return bypass or inlet valving to normal In Service position.
Water pressure automatically builds in the conditioner.
NOTE: Be sure to shut off any bypass line.
13. Check for leaks at all seal areas.
14. Plug electrical cord into outlet.
15. Set time of day.
A. Make sure control valve is in the In Service position.
16. Rotate program wheel counterclockwise until it stops at
Regeneration position.
17. Start regeneration cycle manually if water is hard.
18. Plug cable into meter cover. Rotate cable to align drive flat
if necessary.