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4
OPENING, CLOSING, AND START-UP
The following information should be read
carefully since it outlines the proper manner of
care and operation for your filter system. As a result of following
these instructions and taking the necessary preventative care, you
can expect maximum efficiency and life from your filtration system.
Opening the Filter
Follow these instructions exactly to prevent the lid from separating during system start-up, operation or servicing.
This filter operates under high pressure. Air can also enter the system and become pressurized.
If there is air in the system, there will be positive pressure that could cause the lid to separate from the filter when you
release the clamp or during system start-up or operation. See IMPORTANT SAFETY INSTRUCTIONS, page ii.
If there is no air in the system, there may be negative pressure, which would make the system hard to open.
Follow these instructions exactly - opening the relief valve equalizes the pressure and releases any trapped air within
the system, making it safe and easy to open.
RECOMMENDED EQUIPMENT:
• Socket Wrench
• 7/8-inch Socket
• Socket Extender (if needed)
PROCEDURE:
1. Shut off pump and relieve all pressure from the
filtration system.
a. Turn the pump OFF, shut OFF any automatic
controls (e.g., timers), and disconnect power at
the circuit breaker to ensure that the system is
not inadvertently started during maintenance.
b. Open the Manual Air Relief Valve by turning
the top of the valve 1/4 turn counterclockwise
until it snaps into the full open position.
c. Stand clear of the filter and wait until all pressure
is relieved. Pressure gauge must read zero (0)
psi.
2. Open the drain plug at the bottom of the filter and
allow all water to drain from the filter.
3. Using a 7/8-inch wrench, loosen the clamp barrel nut,
allowing the spring coils to decompress. See FIGURE
4.
4. Remove the barrel nut, spring and two washers from
the T-bolt and place them aside.
5. Remove the clamp ring from the filter and place it
aside.
6. Carefully lift the filter lid away from the tank bottom.
DO NOT lift the filter lid by the air relief valve. This can damage the valve.
Note: If the lid is tightly sealed to the tank bottom you may have to gently wiggle the filter lid side to side to
separate the tank halves. DO NOT use a screwdriver or pry-bar to lift the lid. This can damage the O-ring.
7. Place the tank lid and O-ring in a safe place where it will not be damaged while performing maintenance.
Note: Minimize the amount of debris that comes in contact with the tank O-ring while it is exposed.
CLEAN AND CLEAR
PLUS Cartridge Filter Installation and User' s Guide
®
Scan the QR Code, or visit
www.pentair.com/cleanandclearplus,
for video instructions on proper
maintenance procedures and safety
measures.
CLAMP RING
CLAMP RING,
CLOSED POSITION
CLAMP RING,
OPEN POSITION
FIGURE 3
SM. WASHER
LRG. WASHER
BARREL
NUT
SPRING
T-BOLT
LOOSEN WITH
7/8" WRENCH
FIGURE 4
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