Disassembly TOOLS REQUIRED: • Socket Wrench and 9/16" Socket
• 1/4-inch Hex-head Wrench
• No. 2 Phillips-head Screwdriver
TO DISASSEMBLE THE PUMP: 1.
Press ON/STOP to stop the pump and disconnect all power to the pump at the circuit breaker. 2. Close all valves in suction and return lines.
3.
Relieve all system pressure using the filter air relief valve. 4. Remove both Drain Plugs from the Strainer Pot and
drain the pump.
5. Using a 9/16" wrench, remove the six or eight
Strainer Pot Bolts securing the Strainer Pot to the
Motor/Hydraulic Assembly.
6. Gently separate the Motor/Hydraulic Assembly from
the Strainer Pot.
7.
Remove the two or three Phillips-head Diffuser
Screws. Remove the Diffuser from the Motor/
Hydraulic assembly.
8. At the rear of the motor, insert a 1/4" hex-head driver
into the hole in the middle of the motor fan cover.
9. While holding the motor shaft in place with the 1/4"
driver, remove the Impeller by rotating it counter-
clockwise.
10. Loosen the two captive Phillips-head Wiring Cover
Screws. Remove the Wiring Cover from the drive.
11. Disconnect main power wiring from the drive.
Note: If the optional Relay Control Board (P/N
356365z) is installed, remove the automation
terminal blocks from relay board and disconnect
any relay connections.
12. Remove the four Phillips-head Drive Cover
Screws. Remove the Drive Cover from the drive.
13. Remove the four Phillips-head Drive-to-Motor
Screws.
14. Gently separate the drive from the motor and
place it aside.
15. Disconnect the bonding wire from the bonding lug.
16. Remove two Phillips-head Shroud Screws on each
side of the motor and remove both halves of the
Motor Shroud from the motor.
17. Using a 9/16" wrench, remove the four Motor Bolts
securing the Seal Plate to the motor.
18. Remove the Spring Seal from the motor shaft and
place it aside.
19. If replacing the Shaft Seal, place the Seal Plate
face down and tap out the white Ceramic Seal.
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INTELLIFLO3™ VSF / INTELLIPRO3™ VSF Variable Speed and Flow Pump Installation and Maintenance Guide