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5.The stator is held in the housing 10.After all leads are reconnected With hardwood block,tap end <br /> with a bolted-in clamp ring. in the connection box,make a of impeller to loosen from shaft. <br /> 6.After ring is removed,turn housing high voltage ground test on each When free,remove impeller <br /> upright and bump on hardwood wire.The only wire that should from shaft. <br /> blocks.This should jar the stator show ground is the green power 4.Lift rotating assembly(rotor, <br /> loose and allow it to drop out. lead and the ground lead in the shaft and impeller)from <br /> auxiliary control cable. pump case. <br /> 7.Thoroughly clean housing <br /> before replacing new stator. 11.For safety,complete pump should 5.Impeller removal—Hold motor <br /> Replace stator and make all wire be air checked under water for and remove bolt and washer from <br /> connections to connection box leaks.Fill with oil to about 1 inch impeller end of shaft.Impeller <br /> before replacing housing on pump. below plug hole.Use only high is threaded to the shaft,so tap <br /> This is important as leads must grade transformer oil or regular face of impeller to free threads. <br /> be tucked behind the windings Hydromatic submersible oil in Holding rotor,turn impeller <br /> by using hands up through the this chamber.Replace plug; use counterclockwise to free thread. <br /> rotor core. <br /> Permatex®on threads.Install <br /> air valve in top plug opening of 6.Remove lower seal spring and pry <br /> IMPORTANT: Use only motor housing and charge housing out seal. <br /> compression type insulated with about 10 psi of air.Be sure 7.To remove seal housing,take out <br /> connectors on the wires.Do not air is dry.Do not use air line socket head bolts and using bolts <br /> tape leads as oil will deteriorate where water may be trapped in in back of holes,pry plates loose. <br /> the tape and cause damage to the line. Submerge complete unit This will force out lower seal if <br /> stator and bearings. under water and check for leaks. not already removed. <br /> 8.Check top bearing.If clean and 12.Refill motor chamber with oil. 8.Remove snap ring that holds <br /> does not turn rough,bearings can Use high grade transformer upper seal. Pull seal if it is free.If <br /> be reused and it is not necessary oil or Hydromatic special not free,it can be forced off when <br /> to completely dismantle pump to submersible oil.Fill chamber until shaft is removed. <br /> change bearings.If bearings are oil covers top of windings.Leave 9.Remove bolts that hold bearing <br /> air space in top for expansion. housinginplace.Set assemblyin <br /> damaged with dirt or heat,they Use Permatex on plugthreads. t <br /> must be replaced. upright position. <br /> 9.Replace stator housing onto seal Replacing Seals and Bearings on 10.Use bearing puller to remove <br /> chamber and bolt in place.Be Standard Pump: bearings.Replace with new <br /> sure seal failure wire is connected bearings.Press only on inner <br /> before housing is assembled. 1.Drain all oil from motor chamber face of bearing when replacing. <br /> and seal chamber as described. Pressing on outer face can <br /> Be sure 0-ring seal has been damage the bearing. <br /> replaced.If 0-ring is nicked or 2.Remove motor housing. g g <br /> cut,replace with new rings.This 3.Remove bolts that hold seal <br /> applies to all 0-rings used in chamber to pump housing. Use <br /> assembly. back-off screws to break loose. <br /> DUAL VOLTAGE WARNING <br /> 3 PHASE MOTOR WIRING WARRANTY IS VOID IF HEAT SENSORS ARE NOT <br /> 230V 3o 460V 30 CONNECTED AS SHOWN(IN SERIES WITH CONTACTOR OIL) <br /> 4 5 6 41 51 61 COLOR PURPOSE <br /> 1 DARK GREEN SEAL FAILURE See Wiring Diagram of seal failure <br /> 7 6 9 7 8 9 unit#4673 or 4674 for connecting <br /> IRED SEAL FAILURE dark green and red wires. <br /> 1 2 3 GREEN 1♦ 2♦ 3♦ GREEN BLACK HEAT SENSOR <br /> BL W R BL W R WHITE HEAT SENSOR <br /> (L1) (L2) (L3) (L1) (L2) (L3) <br /> TWO WIRE CONTROL OFFERING AUTOMATIC RESET <br /> Li ON-OFFTHERMOSTATS <br /> HEAT SENSORS AND SEAL FAILURE CONNECTIONS SWITCH COIL IN SERIES <br /> FOR ANY VOLTAGE MOTOR BLACK WHITE <br /> ELECTROD_40E <br /> IN MOTOR <br /> HEAT SENSORS J I <br /> RED DARK <br /> THREE WIRE CONTROL OFFERING AUTOMATIC RESET <br /> THERMOSTATS <br /> WINDINGS Li •START COIL OL OL• <br /> IN SERIES <br /> • <br /> * BLACK WHfrE <br /> L2BLACK WHITE GREEN <br /> HEAT SENSORS SEAL FAILURE <br /> IN CERTAIN APPLICATIONS THE NEC MAY REQUIRE THREE OVERLOAD RELAYS <br /> 5 <br />