Jandy WFTR Installation And Operation Manual

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Jandy WFTR Installation And Operation Manual Manual pdf 17 page image

Page 17ENGLISHJandy ® Pro Series Water Feature Pump | Installation and Operation Manual6.2.4 Mechanical Seal ReplacementNOTE This is a two-part replacement process. Themechanical seal must be replaced as a set.NOTE Refer to Figure 9 for the location of the mechanicalseal and impeller.WARNINGDo not damage the ceramic or carbon surfaces of theseals. If surfaces are damaged, leaks will occur.1. To access the mechanical seal, comply with thewarning and follow steps 1 through 8 of Section6.2.2, Impeller Removal.2. Remove the carbon face seal half from themotor shaft, see Figure 8. This is a spring-loadedseal. Grasp the portion of the seal closest tothe impeller body and pull the seal off using atwisting motion.3. Remove the motor from the backplate bycomplying with the caution and following steps 1through 3 in Section 6.2.5.4. Place the backplate o-ring side down and forcethe ceramic seal out using a screwdriver or drift.5. Turn the backplate o-ring side up and insert thenew ceramic seal side into the backplate. Usegreat care to press the seal in squarely with yourfingers. The ceramic is easily damaged and mustbe pressed in using only your fingers or softtools. Do not use any lubricant other than waterand soap solution.6. Install the motor by complying with the cautionand following the steps in Section 6.2.5, MotorReplacement.7. Install the backplate by complying with thecaution and following the steps in Section 6.2.3,Impeller Replacement.6.2.5 Motor ReplacementCAUTIONTo ensure continued safety and reliable operation,Zodiac Pool Systems, Inc. requires that you replacethe motor with a motor that has the identical HPrating and service factor (Zodiac Pool Systems, Inc.approved only).1. Have a qualified service technician or electricianproperly disconnect the electrical wiring at thepump motor.2. To disassemble the pump housing from themotor, comply with the warning and follow steps1 through 8 in Section 6.2.2, Impeller Removal.3. Place the backplate motor assembly o-ring sidedown and unscrew the four (4) 9/16" screws andremove the motor.NOTE Before removing the backplate, note the alignment ofthe backplate to the motor. See Figure 10.4. If installing a new motor, remove the protectiveplastic cap from the motor shaft. Place the motoron the backplate so that the opening in the motorfaces the bottom of the backplate. The startingcapacitor on the motor should be at the12 o’clock position.5. Replace the four (4) bolts and washers holdingthe backplate to the motor.6. To reassemble the pump after replacing themotor, comply with the caution and followsteps 1 through 13 of Section 6.2.3, ImpellerReplacement.7. Have a qualified service technician or electricianproperly connect the electrical wiring at thepump motor.NOTE Zodiac Pool Systems, Inc. recommends replacing themechanical seal at the same time that you replacethe motor. See Section 6.2.4, Mechanical SealReplacement, for details.Figure 10. Backplate AssemblyBolts andWashers (4)BackplateMotorStartingCapacitor