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Maintaining the Pressure Gauge
The pressure gauge is the primary indicator of how the system is operating, so correct functioning is critical. Replace
the pressure gauge (P/N 190058) if it does not meet the requirements below:
1. Pressure gauge should read zero (0) psi after pressure is relieved.
2. Pressure gauge should indicate pressure when the system is operating.
3. The pressure gauge should be readable and not damaged in anyway
Cleaning the Manual Air Relief Valve
RECOMMENDED EQUIPMENT:
• 5/16-inch Drill Bit (to clear air passage)
• Silicone-based Lubricant (if needed)
PROCEDURE:
1. Shut off pump and relieve pressure.
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. With the air relief valve installed, pull out the locking tabs and unlock the
valve stem and cover assembly from the valve body counter-clockwise (see
FIGURE 7).
3. Pull the valve stem and cover assembly away from the valve body.
4. Clean and check the valve stem and body:
a. Remove any debris.
b. Ensure the air passage is open by inserting a 5/16-inch drill bit through
the valve body.
c. Ensure the valve stem O-rings are in good condition, properly positioned, and lubricated with a silicone-
based lubricant.
5. Reinstall the valve stem and cover assembly by pressing downwards and turning clockwise until it snaps into
position on the valve body.
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.
CLEAN AND CLEAR
PLUS Cartridge Filter Installation and User' s Guide
®
MAINTENANCE
LOCKING
VALVE STEM
TAB
AND COVER
O-RINGS
VALVE
BODY
FILTER TANK
FIGURE 7
7
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