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Section 4
User Maintenance
The following information describes how to service and maintain the IntelliFlo
®
VSD pump.
Illustrations apply to WhisperFlo IntelliFlo VSD.
Pump Strainer Basket
The strainer, sometimes referred to as the “Hair and Lint Pot,” is in front of the of the pump.
Inside there is a basket which must be kept clean of leaves and debris at all times. View the
basket through the top see through lid to inspect for leaves and debris.
Regardless of the length of time between lter cleaning, it is most important to visually inspect the
hair and lint pot basket at least once a week. A dirty basket will reduce the efciency of the lter and
possibly the heater.
Pump Strainer Basket Service
If the IntelliFlo
®
pump is installed below the water level of
the pool, close the return and suction lines before opening
the hair and lint pot on the pump.
1. Press the Stop button to stop the pump and switch off
the pump at the circuit breaker.
2. Disconnect the communication cable from the IntelliFlo
®
pump.
3. Relieve pressure in the system.
4. Turn the locking ring and lid in a counter-clockwise
direction until it stops.
5. Remove the locking ring and lid.
6. Remove the basket and put the debris into the trash and
rinse out the basket. If the basket is cracked, replace the
basket.
7. Replace the basket and ll the pump pot and volute with
water up to the inlet port.
8. Clean the cover, o-ring, and sealing surface of the pump
pot. Grease the o-ring with Teon
®
or silicone lubricant.
9. Reinstall the lid by placing the locking ring and the lid
on the pot.
WARNING — DO NOT open the strainer basket if pump fails to prime or if pump has been operating without
water in the strainer pot. Pumps operated in these circumstances may experience a build up of
vapor pressure and may contain scalding hot water. Opening the pump may cause serious personal
injury. In order to avoid the possibility of personal injury, make sure the suction and discharge
valves are open and that the strainer pot is cool to the touch, then open with extreme caution.
CAUTION — To prevent damage to the pump and lter and for proper operation of the system, clean pump
strainer and skimmer baskets regularly.
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