Replacing The Filter Element; Cleaning The High Flow Manual Air Relief Valve - Pentair Pump and DE Element Filter System Installation And User Manual

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10. Replace the tank lid onto the tank body making sure it is fully and
firmly seated on the tank body.
11. Place lock ring over tank lid, and centering the lock ring on the
threads of the tank body, turn the lock ring clockwise until the safety
latches click and the lock ring hits the stops on the body. DO NOT
ATTEMPT TO OVER-TIGHTENED THE LOCK RING AFTER
LOCK RING HAS HIT THE STOPS ON THE BODY.
Any time the filter tank is opened, and/or element assembly is removed, be sure
to generously coat the O-ring with silicone lubricant before reassembling the
unit. DO NOT USE PETROLEUM BASED LUBRICANTS BECAUSE THEY HAVE
A DETERIORATING EFFECT ON RUBBER.
12. Replace drain cap and reinstall air relief valve drain hose if used.
REPLACING FILTER ELEMENT
Element life will vary with pool conditions such as bather load, wind, dust, etc.
You can expect an average media life of three years under normal conditions.
1. To replace the element, follow "Cleaning The Filter" instructions on
page 15.
CLEANING THE HIGH FLOW MANUAL AIR RELIEF
VALVE
1. Turn the pump off and shut off any automatic controls to ensure that
the system is not inadvertently started during servicing.
2. OPEN THE HIGH FLOW MANUAL AIR RELIEF VALVE
UNTIL IT SNAPS INTO THE FULL OPEN POSITION,
THEN WAIT UNTIL ALL PRESSURE IS RELIEVED.
3. With the relief valve attached to the filter tank, pull out the locking
tabs and remove the valve stem and cover assembly with a
counterclockwise and lifting motion, see Figure 12.
Pump and DE Element Filter System Installation and User's Guide