Polaris PB4SQ Replacement Instructions Manual Download Page 7

Page 7

d

 Using a pair of snap ring pliers, remove the snap ring from the snap ring 

channel on the motor shaft.

•  With snap ring removed the fan should slide free from the motor shaft.

3.  Install motor fan. 

(R0722600), (R0723000)

•  Install motor fan on motor shaft. 
•  Using snap ring pliers install the new snap ring into the channel on the motor shaft.
•  Check again that the fan and motor shaft spin freely with no obstruction or 

resistance. If the fan or motor shaft encounter resistance this problem must be 

resolved before the pump is returned to normal operation.

4.  Install motor fan cover. 

(R0722600)

•  Slide fan cover over motor fan.
•  The bottom clip will snap over the motor.

•  IMPORTANT

: Reinstall the bonding lug, screw and star washer, do not tighten 

down completely.

•  Position the fan cover so that the opposite side screw can be installed, do not 

tighten down completely

•  Push the fan cover and bonding lug forward and tighten the bonding lug screw 

completely. The fan cover should not be able to move forward or backward.

•  Tighten the other fastening screw completely.
•  Check to ensure the fan cover is not loose.

•  IMPORTANT

: Reinstall the bonding wire at the bonding lug.

•  The motor frame must be grounded to a reliable grounding point using a 

solid copper conductor, No. 8 AWG (8.4mm

2

) or larger. In Canada, No. 6 AWG 

(13.3mm

2

) or larger must be used. Do not ground to a gas supply line.

•  The motor must be bonded to all metal parts of the swimming pool, spa, or hot tub 

structure and to all electrical equipment, metal conduit, and metal piping within 5 

feet (1.5 meters) of the inside walls of the swimming pool, spa, or hot tub.

Section 6.  BASe

1.  Remove the pump base. 

(R0722700)

a

 Lift pump from the handle and apply 

slight pressure to the base. Pump 

should pull free from the base.

2.  Install the pump base. 

(R0722700)

•  Place new base on the equipment pad.
•  Set the pump into base. Align the base 

retainers to the retaining clips.

•  Lower until pump seats with a click.

Clip

Base

Retainer

Base

a

Replacement Kit Instructions

Summary of Contents for PB4SQ

Page 1: ...must be installed and serviced by a contractor who is licensed and qualified in pool equipment by the jurisdiction in which the product will be installed where such state or local requirements exist I...

Page 2: ...local government inspection agency Incorrectly installed equipment may fail causing severe injury or property damage WARNING Do not connect the system to an unregulated city water system or other exte...

Page 3: ...uires adequate ventilation to maintain air temperature at less than the maximum ambient temperature rating listed on the motor rating plate Safety Eye Wear Snap Ring Pliars Adjustable Wrench 9 16 and...

Page 4: ...ng 1 6 R0722700 Base 1 7 R0747800 Spring Drive Band 1 Ceramic Mating Ring 1 8 R0723200 Spring Drive Band 1 Ceramic Mating Ring 1 Back Plate 1 Pump Housing O Ring 1 Diffuser O Ring First Stage Orange 1...

Page 5: ...ting device or heater 1 Remove the capacitor housing cover R0722900 a Loosen but do not remove the 4 screws securing the capacitor cover to the capacitor housing b Lift and remove capacitor housing co...

Page 6: ...may be connected to the pump circuit with the exception of devices that may be required to operate simultaneously with the pump such as a chlorinating device or heater 1 Remove the motor fan cover R0...

Page 7: ...g forward and tighten the bonding lug screw completely The fan cover should not be able to move forward or backward Tighten the other fastening screw completely Check to ensure the fan cover is not lo...

Page 8: ...with the exception of devices that may be required to operate simultaneously with the pump such as a chlorinating device or heater Disconnect electrical power to the pump at the breakers Allow 5 minut...

Page 9: ...ng the pump to normal operation b Insert a standard 1 4 hex key Allen Wrench into the motor shaft through the center of the fan cover mesh The hex key will be used to hold the motor shaft in place whi...

Page 10: ...ease be sure to follow all reassembly steps 9 11 If any parts do not appear to be in optimal condition it is advised that these parts be replaced before returning the pump to normal operation Ensure t...

Page 11: ...r wrench secure the pump housing to the pump motor body by using the 4 retaining bolts and washers 11 Install the drain plug R0723100 R0734300 Install the drain plug and drain plug O ring hand tight D...

Page 12: ...during installation This will ensure a proper water tight seal Thread and tighten the tapered thread of the connector barb into the pump port on the pump body Trim reinforced hose to required length M...

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