Pentair D.E. Cartridge Style Filter - Manual (Page 9)

READ AND FOLLOW ALL SAFETY INSTRUCTIONS
Rev. F 6/15/06 9 P/N 99101200
SECTION VI.
CHECK VALVE INSTALLATION INSTRUCTIONS
WARNING
THIS FILTER OPERATES UNDER HIGH PRESSURE. WHEN ANY PART OF
THE CIRCULATING SYSTEM (e.g. LOCK RING, PUMP, FILTER VALVES,
ETC.) IS SERVICED, AIR CAN ENTER THE SYSTEM AND BECOME
PRESSURIZED. PRESSURIZED AIR CAN CAUSE THE LID TO BE BLOWN
OFF WHICH CAN RESULT IN SEVERE INJURY, DEATH, OR PROPERTY
DAMAGE. TO AVOID THIS POTENTIAL HAZARD, FOLLOW THESE
INSTRUCTIONS.
15. BEFORE REPOSITIONING VALVES AND BEFORE BEGINNING THE
ASSEMBLY, DISASSEMBLY, OR ADJUSTMENT OF THE LOCK RING OR
ANY OTHER SERVICE OF THE CIRCULATING SYSTEM: (A) TURN THE
PUMP OFF AND SHUT OFF ANY AUTOMATIC CONTROLS TO ENSURE
THE SYSTEM IS NOT INADVERTANTLY STARTED DURING THE
SERVICING; (B) OPEN AIR RELIEF VALVE; (C) WAIT UNTIL ALL
PRESSURE IS RELIEVED.
16. WHENEVER INSTALLING THE FILTER LOCK RING FOLLOW THE
CLEANING FILTER INSTRUCTIONS EXACTLY.
17. ONCE SERVICE OF THE CIRCULATING SYSTEM IS COMPLETE
FOLLOW THE INITIAL START SYSTEM RESTART INSTRUCTIONS
EXACTLY.
18. MAINTAIN CIRCULATION SYSTEM PROPERLY. REPLACE WORN OR
DAMAGED PARTS IMMEDIATELY (e.g., lock ring, pressure gauge, relief
valve, o-rings, etc).
19. BE SURE THAT THE FILTER IS PROPERLY MOUNTED AND
POSITIONED ACCORDING TO THE INSTRUCTIONS PROVIDED.
1. Turn the pump off, shut off any automatic controls to assure that the system is not
inadvertently started during servicing.
2. Open the High Flow TM manual relief valve.
3. Plug the suction line by inserting a rag into the skimmer port, or if equipped with a valve
close it at this time to prevent water from siphoning from the pool during servicing.
4. If possible, plug the return line to prevent siphoning. If this cannot be done, disconnect the
union fitting from the outlet port of the filter and quickly place the return hose into the
pool.
5. Remove the drain cap to empty the water from the filter.
6. Insert the Check Valve into the outlet port approximately
¾” to 1” deep making sure the rubber diaphragm is
facing outward (toward you), see Diagram 1.
7. Reconnect the return hose to the outlet port and tighten
the union fitting.
8. Replace the drain cap.
9. Remove the rag from the skimmer or open the valve on
the suction line.
10. If the return line was plugged, unplug it at this time.
Rev. F 6/15/06 9 P/N 99101200