Removing The Valve Assembly For Service; Preventive Maintenance - Pentair Autotrol Performa 400 Series Service Manual

rEMoVINg tHE VAlVE ASSEMBlY For
SErVICE
1. Unplug the power cord.
2. Shut off water supply or put bypass valve(s) into
bypass position.
3. Remove cover and with screwdriver, relieve tank pressure
by pushing open valve No. 7 (rear flapper) on control as
shown (Figure 15).
Figure 15
4. When used with a globe valve bypass, loosen and detach
the inlet, outlet, brine and drain lines from the valve. If
using the 1265 bypass, loosen and remove valve from
bypass as well as loosening and removing the brine and
drain lines.
5. Unscrew valve (counterclockwise) and remove valve
from tank.
6. To replace the control valve, reverse the above procedure.
removing 440i or 460i/460tC for Servicing
1. Unplug the power cord.
2. Remove cover.
3. The control should be in service position (Figure 16).
4. Rotate the locking lever to point up (Figure 17).
5. Pull the end of the camshaft out from the lever and remove
the camshaft.
Lever Down
Figure 16
8 • Autotrol
Performa Valve with 400 Series Control water Conditioning Control System
®
Lever Up
Cam Pulled Out
Figure 17
6. Remove the timer locking pin and lift the control straight up
and off of the valve.
7. To reinstall the camshaft and control, reverse the
above procedures.
When reinstalling the camshaft the control should be
NotE:
in SErVICE position. When the camshaft is positioned,
cams will make contact with valves to force
them open.

PrEVENtIVE MAINtENANCE

Injector Screen and Injector
Inspect and clean brine tank and screen filter on end of brine
pickup tube once a year or when sediment appears in the
bottom of the brine tank.
Clean injector screen and injector once a year:
1. Unplug the wall-mount transformer.
2. Shut off water supply or put bypass valve(s) into
bypass position.
3. Relieve system pressure by opening valve No. 7 (at rear)
with a screwdriver (Figure 15).
4. Using a screwdriver, remove injector screen and injector
cap (Figure 18).
5. Clean screen using a fine brush. Flush until clean.
6. Using a needle-nose pliers, pull injector straight out.
7. Flush water into the injector screen recess of the valve body
to flush debris out through the injector recess.
8. Clean and flush the injector.
9. Lubricate the o-rings on the injector, injector cap and
injector screen with silicone lubricant only!
10. Reinstall the injector, injector cap and injector screen.
IMPortANt: Do not overtighten the plastic cap. Seat the cap
lightly into position. overtightening may cause
breakage of the plastic cap that may not be
immediately evident.
11. Plug the wall-mount transformer into outlet; reset clock
if necessary.
12. Slowly open water supply valve or return bypass valve(s) to
the "service" position.