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8
MAINTENANCE
FILTER OPERATES UNDER HIGH PRESSURE.
When any part of the circulating system, (e.g., clamp, pump, filter, valve(s), etc.), is serviced, air can enter the system and
become pressurized. Pressurized air can cause the lid to separate which can result in severe injury, death, or property
damage.
To avoid this potential hazard, follow these instructions:
1. Before repositioning valve(s) and before beginning the assembly, disassembly, or adjustment of the clamp 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 inadvertently started during the servicing; (B) open the manual air relief valve; (C) stand clear of the
filter; (D) wait until all pressure is relieved.
2. Whenever installing the filter clamp FOLLOW THE FILTER CLAMP INSTALLATION INSTRUCTIONS EXACTLY.
3. Once service on the circulating system is complete FOLLOW SYSTEM RESTART INSTRUCTIONS EXACTLY.
4. Maintain circulation system properly. Replace worn or damaged parts immediately, (e.g., clamp, pressure gauge,
valve(s), o-rings, etc).
5. Be sure that the filter is properly mounted and positioned according to instructions provided.
Operating the filter system without filter internal components installed can allow air to accumulate within the filter.
Pressurized air can cause the lid to separate which can result in severe injury, death or property damage. Always operate
filter system with filter internal components installed. To prevent equipment damage and possible bodily injury and/or property damage, always
turn the pump off before changing the valve positions.
Please follow all manufacturers' posted instructions, warnings and cautions when using pool or spa sanitizers, and/or other
chlorine replacement treatments.
Cleaning the Manual Air Relief Valve
REQUIRED TOOLS:
• 5/16" Drill Bit (to check air passage)
• Silicone-based Lubricant (if needed)
PROCEDURE:
1. Shut off pump and relieve pressure.
a. Turn the pump OFF and shut OFF any automatic controls (e.g., timers) and
disconnect power to ensure that the system is not inadvertently started
during maintenance.
b. Open the manual air relief valve by turning the valve cover assembly a
quarter turn counter-clockwise 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. With the relief valve attached to the FullFloXF
pull out the locking tabs and unlock the valve stem and cover assembly from the
valve body with a counter-clockwise turn. See Figure 9.
3. Remove valve stem and cover assembly from the valve body. See Figure 9.
4. Clean and check the valve stem and body:
a. Clean off any debris.
b. Verify that the filter tank's air passage is open by inserting a 5/16" drill bit through the valve body.
c. Verify that the valve stem O-rings are in good condition, properly positioned, and lubricated with a silicone-
base lubricant.
5. Reinstall the valve stem and cover assembly with a downward and clockwise motion until it snaps into position.
XF®
FULLFLO
C-SERIES Cartridge Filter Installation and User' s Guide
C-Series Cartridge Filter tank,
®
If needed, use only a PTFE or silicone-base lubricant on the O-rings. Use of petroleum based products on
O-rings will damage the equipment.
Figure 9
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