InSinkErator SS300-25 Use and Care Manual

SERVICE MANUALCommercial DisposersSS-50SS-75SS-100SS-125SS-150SS-200SS-300SS-500SS-750SS-1000Part No. F376-09L-76-02 © 2009

Service Manual 7 Commercial DisposersPREPARATION FOR REPAIRDANGERELECTRIC SHOCK! Turn off water and electrical supply. Discharge capacitor with 1

Service Manual8 Commercial DisposersCommon Repair AreasFigure 7. Common Repair AreasGRIND CHAMBER• Stationary Shredder Gasket• Stationary Shredder•

Service Manual 9 Commercial DisposersTerminal Box & Trim BandDANGERELECTRIC SHOCK! Turn off water and electrical supply. Discharge capacitor

Service Manual10 Commercial DisposersReplacing Water InletNOTE: It is not necessary to remove the disposer to repair water inlet.Water Inlet Kit part

Service Manual 11 Commercial DisposersReplacing Stationary ShredderRemoval1. Remove disposer. See “Removing Disposer” on page 7.2. Remove cover and

Service Manual12 Commercial DisposersReplacing Rotating ShredderRemoval1. Remove disposer. See “Removing Disposer” on page 7.2. Remove stationary

Service Manual 13 Commercial DisposersUPPER END BELL (UEB)Repairing Upper End Bell Assembly1. Remove disposer. See “Removing Disposer” on page 7.2.

Service Manual14 Commercial Disposers7. Carefully remove rotor shaft from upper end bell (Figure 22).NOTE: Do not remove lower bearing or cent

Service Manual 15 Commercial DisposersScrewShieldSeal Assy.Spacer SleeveO-ringSlingerBearing Cone& CupCone SpacerBearingThrust WasherWater & O

Service Manual16 Commercial DisposersELECTRICAL REPAIRSOverload ProtectorTesting Overload ProtectorDANGERELECTRIC SHOCK! Turn off water and elect

Service Manual i Commercial DisposersGENERAL INFORMATION ...

Service Manual 17 Commercial DisposersCapacitor (1 Phase units only)Testing CapacitorELECTRIC SHOCK! A charged capacitor will hold an electric charge

Service Manual18 Commercial DisposersScrewTerminal BoxTrim BandFigure 26. Terminal Box and Trim BandBottom Cover and FanRemoval1. Remove disposer. S

Service Manual 19 Commercial DisposersLower End Frame (LEF)Removal1. Remove disposer. See “Removing Disposer” on page 7.2. Remove bottom cover and f

Service Manual20 Commercial DisposersStatorRemoving the Stator1. Remove disposer. See “Removing Disposer” on page 7.2. Remove terminal box, trim ba

Service Manual 21 Commercial DisposersFigure 33. Testing 1 Phase Stator5. Install bottom cover and fan. See “Bottom Cover and Fan” on page

Service Manual22 Commercial DisposersWIRING DIAGRAMSFigure 35. 1 Phase

Service Manual 23 Commercial DisposersFigure 36. 3 Phase

Service Manual24 Commercial DisposersFigure 37. 3 Phase Motor Connections

Service Manual 25 Commercial DisposersTROUBLESHOOTINGDisconnect power before troubleshoot-ing or servicing the disposer.Troubleshooting problems other

Service Manual26 Commercial DisposersProblem Cause SolutionMotor hums but does not run; water runs. Jammed rotating shredder.Stator/lower end frame/up

Service Manualii Commercial DisposersNOTES____________________________________________________________________________________________________________

Service Manual 27 Commercial DisposersProblem Cause SolutionOverload protector is tripped or fuse/circuit breaker blows immediately after starting dis

Service Manual28 Commercial DisposersProblem Cause SolutionWater leaks from grind chamber area.Stationary shredder gasket faulty. Replace gasket. See

Service Manual 29 Commercial DisposersProblem Cause SolutionGrinding elements worn excessively. Disposer undersized for application. Replace disposer

Service Manual30 Commercial DisposersEXPLODED VIEWS & PARTS LISTSSS-50 / SS-75 / SS-100 / SS-125Small Capacity - 1 Phase UL & CSA115/208-230V

Service Manual 31 Commercial DisposersSS-50 / SS-75 / SS-100 / SS-125Small Capacity - 1 Phase UL & CSA115/208-230V 60 HzItem Part No. Description

Service Manual32 Commercial DisposersSS-50 / SS-75 / SS-100 / SS-125Small Capacity - 3 Phase UL & CSA208-230/460V 60 HzUL Approved SS-50-27 SS

Service Manual 33 Commercial DisposersSS-50 / SS-75 / SS-100 / SS-125Small Capacity - 3 Phase UL & CSA208-230/460V 60 HzItem Part No. Description

Service Manual34 Commercial DisposersSS-150 / SS-200Medium Capacity - 1 Phase UL & CSA208-230/460V 60 HzStandard UL SS-150-34 SS-200-27Short B

Service Manual 35 Commercial DisposersSS-150 / SS-200Medium Capacity - 1 Phase UL & CSA115/208-230V 60 HzItem Part No. Description Qty1 11004 Moun

Service Manual36 Commercial DisposersSS-150 / SS-200Medium Capacity - 3 Phase UL & CSA208-230/460V 60 HzStandard UL SS-150-36 SS-200-29Short B

Service Manual 1 Commercial DisposersSafety SignalsThis symbol indicates potential personal injury hazards. Obey all safety messages accompanying t

Service Manual 37 Commercial DisposersSS-150 / SS-200Medium Capacity - 3 Phase UL & CSA208-230/460V 60 HzItem Part No. Description Qty1 11004 Moun

Service Manual38 Commercial DisposersSS-300 / SS-500 / SS-750 / SS-1000large Capacity - 3 Phase UL & CSA208-230/460V 60 HzStandard UL SS-300-25

Service Manual 39 Commercial DisposersSS-300/SS-500/SS-750/SS-1000large Capacity - 3 Phase UL & CSA208-230/460V 60 HzItem Part No. Description Qty

Service Manual40 Commercial DisposersNOTES____________________________________________________________________________________________________________

4700 21st StreetRacine, WI 53406-5093www.insinkerator.com

Service Manual2 Commercial DisposersCommercial Disposer Limited WarrantyInSinkErator® commercial disposers are warranted against defects in material

Service Manual 3 Commercial DisposersCold Water Flow & Drain Line DiameterDisposerWater FlowGPM (LPM)Drain Line Diameter Inches (MM)SS-50 3 (11) 1

Service Manual4 Commercial DisposersNOTE:Adaptors are available upon request for all competitorsink bowls or cones.Please have sink/bowl cone type wit

Service Manual 5 Commercial DisposersElectrical RequirementsThe electrical wiring on disposers shipped from the factory are not connected for

Service Manual6 Commercial DisposersSS-7507-1/2 H.P.-13 208-230/460V, 60 Hz, 3 Ph, 9.7/12.4/6.2 amps, UL-15 208-230/460V, 60 Hz, 3 Ph, 9.7/12.4/6.2 am