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Making Electrical Connections: be somewhat higher,5% to 10%, CAUTION: Do not reconnect All electrical wiring must be in without causing trouble.For power to a cord and cap assembly accordance with local code. excessive amp draw on one leg, while removing from pump. the power company should Replacing Cords: 11111 1 RTANT: If equipment is be consulted. II. ,roperly wired and protected The power cord and heat as recommended,the warranty Pump Service sensor—seal failure cord is potted is void. into the connection box cap, As the motors are oil filled,no forming the cord and cap assembly. Heat Sensors and lubrication or other maintenance Seal Failure Connections: is required. If cords require replacement due to • damage or cords being too short, Be sure that heat sensor wires are If the pump is used on a Hydrorail cord and cap assembly must be connected in series with the system,it should be lifted once replaced as a complete starter coil. every six months and checked for assembly available from factory. corrosion and wear. Pump Operation WARNING: Before handling Replacing Lower Seal,Impeller Starting System these pumps and controls,always or Volute: disconnect the power first.Do not The wet end components may be 1.Turn H-O-A switch to Off smoke or use sparkable electrical repaired or replaced by an authorized position,then turn on main devices or flames in a septic Hydromatic service facility without circuit breakers. (gaseous)or possible septic sump. compromising the hazardous 2.Open all discharge valves and location rating to the pump. allow water to rise in sumpField Service on Motor: pump.p NOTE: Any time the seal is 3.Turn H-O-A switch to Hand All submersible motors out of disturbed,it must be replaced. position on one pump and notice warranty can be serviced in the field operation.If pump is noisy and by any reliable motor service Replacing Stator on Standard vibrates,rotation is wrong.To shop.Any pump (in warranty) Pump: chana rotation,interchan e an must be returned to the factory for g g y service or repaired at an authorized 1.If stator only is damaged,it may 7dismo line leads to motor on 34). Hydromatic service center.Charges not be necessary to completely o not interchange main incoming will not be allowed if(in warranty) antle pump as stator and Lues.If operating duplex system, pump is not taken to an authorized housing can be lifted from check second pump in the same Hydromatic service center. pump without disturbing seals manner. or bearings. When field service is performed on 4.Now set both H-O-A switches a pump,these instructions should be 2.Drain all oil from upper housing, to Auto position and allow water carefully followed. remove from upper housing, to rise in sump until one pump remove drain plug in bottom of starts.Allow pump to operate Field Service on Hydromatic stator housing and remove plug until level drops to turn-off point. Hazardous Location Pumps: in top of housing to allow air 5.Allow sumplevel to rise to start to enter. If a Hydromatic hazardous location other pump.Notice run lights on pump is used in a hazardous 3.After chamber is drained, panel; pumps should alternate location,or if the pump is still in remove hold-down bolts and lift on each successive cycle of warranty,the pump must be returned off.Use care in lifting as the seal operation. to the factory for service.Charges failure connecting wire must be 6.Turn both H-O-A switches to Off will not be allowed if(in warranty) disconnected before housing is position and allow sump to fill to pump is not taken to an authorized completely removed. the override control level. Hydromatic service center.This will 4.Set assembly on bench and 7.Turn both switches to Auto ensure the integrity of the hazardous remove connection box.When position and both pumps should location rating of the pump and corn- box is lifted off,connection start and operate together until ply with our warranty requirements. wires to motor will be exposed. point. level drops to turn-off These wires will probably be Disconnecting Pump Cords: burned,but each wire is tagged 8.Repeat this operation cycle If a Hydromatic hazardous location with a metal marker giving a several times before leaving pump is to be removed from its wire number.Cut the wires.If the job. location,the pump cords may be the leads to the connection box heck voltage when pumps are disconnected at the control panel(on are burned,a complete new operating and check the amp sump mounted control panels) and connection box with new wire draw of each pump.Check amps cord assembly taken with pump. must be used.The wires are on each wire as sometimes a potted in with sealing compound, high leg will exist. One leg can therefore,a new unit must be 4 obtained from the factory.