SERVICE MANUAL - Whaley Food Service
Contents
1. Water to Start System using a Pressure Switch A Water to Start system consists of 1 Quick opening valve 2 Pressure switch a Can be wired across the line thru 5 H P disposers b Must be wired in the pilot circuit 3 Flow control valve of a magnetic starter in applications over 5 H P a Plumbed in immediately downstream from the pressure switch to increase sensitivity to pressure Water to Start System Using a Pressure Switch Power Supply 4 Recommended Installation 1 2 H P through 5 H P Only All Voltages To Disposer Syphon Breaker SUA ts oan or Bowl Sink Flow Valve a Control Valve a a Water w en supply To Junction Motor Son To Power Use standard Disposer Supply motor connection Motor wiring diagrams Do Not use Phase Applications Water to Start System using a Flow Interlock Switch 1 Quick opening valve 2 Flow interlock switch a Must be wired in the pilot circuit of a magnetic starter for all applications 3 Remote control type magnetic starter Water to Start System Using a Flow Interlock Switch Recommended Installation 1 2 H P through 10 H P All Voltages Er Flow Quick To Disposer Syphon Interlock Opening or Bow Sink Breaker Switch Valve E SEE Zus gt u Water Er de m Supply Magnetic Power Starter Supply Reset Only To Disposer Type Motor Q Refer to Wiring Diagram No 16 for electrical connections NOTE In any Water2. c If using the jam bar was unsuccessful the disposer requires removal and disassembly down to and possibly removal of the stationary shredder 2 Cleaning the vertical grinding teeth of the stationary shredder a Use an awl and scrape each individual tooth clean or disassemble the unit down to the shredders and clean the teeth Figure 15 1 SECTION 15 41 a as WIRING DIAGRAMS SECTION 16 IN SINK ERATOR Motor Lead Connections The following five 5 wiring diagrams will be used for all SS Model commercial disposers for e Proper motor lead connections e Checking continuity grounds opens and shorts e Replacing electrical component motor parts For your information and to determine which wiring diagram to use check the specification decal on the disposer to determine if it is a single dual or tri voltage motor Commercial disposers produced since April 1985 have tri voltage motors and are designated as such on the specification decal 115 208 230 Volts Single Phase 7 Leads 208 230 460 Volts Three Phase 12 Leads Commercial disposers produced prior to April 1985 have single or dual voltage motors The motor voltage is designated on the specification decal 115 230 Volts Single Phase 7 Leads 208 Volts Single Phase 7 Leads 230 460 Volts Three Phase 12 Leads 208 Volts Three Phase 3 Leads Wiring diagrams connections remained the same except for the 208 volt three phase motors The single voltage 208 vo
3. onto the shaft Be sure the O Ring is pushed down far enough so it rests on the centrifugal moisture shield see Figure 12 1 Install woodruff key 14 into the shaft keyway Be sure key is seated fully in keyway If It is necessary to tap the key into place use a soft metal drift such as copper or brass not steel After the key is fully seated install the spacer sleeve 4 NOTE Proper sequence of assembly of the spacer sleeve and seal must be followed exactly as outlined Do not install the lip seal 3 until after the stainless steel sleeve 4 is installed The lips of the seal must have the upward deflection or configuration as shown In the cutaway view Otherwise a malfunction potential will exist see Figure 12 15 NOTE Just prior to Installing the tri lip seal coat the machined face and groove of the upper end bell filling the machined groove with a waterproof silicone sealer all around see Figure 12 14 Also fill the formed groove in the bottom of the seal flange with silicone sealer all around Do not use excessive amount of sealer Do not use substitutes 8 Install the lip seal 3 over the spacer sleeve 4 and down into the recess in the upper bell Line up the screw holes and install the retaining screws 2 NOTE The lip seal has been packed with a special lubricant Do not remove it 9 Install the trash excluder shield 1 and the two rotor shredder woodruff keys 13 10 Reassemble the un
4. taking care not to press it on too far see Figure 13 4 With the centrifugal switch pressed on to the proper depth the correct dimension is 2 61 64 from the end of the shaft to the face of the phenolic ring This measurement must be made when the centrifugal switch is in the open or collapsed condition A tolerance of 1 64 plus or minus is allowed 2 To replace the lower bearing on the shaft use an arbor press Use a hollow tube the diameter of the inner race and press bearing on until it seats on shoulder of rotor shaft see Figure 13 5 REASSEMBLY TO UNIT l Reinstall the pre load spring into the lower end bell bearing cavity Pre load spring should be installed with spring feet bottoming in cavity see Figure 13 6 Prior to reassembly of rotor and shaft assembly into stator housing examine the centrifugal switch assembly lower bearing and woodruff keyways If components need replacing or 1f woodruff keyways are distorted replace parts as previously outlined Grasp rotor and shaft assembly firmly by upper bearing journal Lower the rotor and shaft assembly gently into the stator assembly being careful not to damage centrifugal switch or motor windings see Figure 13 7 Lower bearing will seat itself into the lower bearing cavity at which time rotor and shaft will be in place Complete reassembly as outlined in Sections 7 8 9 10 11 and 12 STATOR AND LOWER END BELL Im SINK ERATOR REMOVAL
5. SWITCH MANUAL THREE PHASE Reversing Switch Handle L1 PE gt 208 230 Volts 5 Three Phase Motor 12 Lead Motor Lead rn IC d Water Solenoid Valve Wires also see Diagram 10 DIAGRAM 9 REVERSING SWITCH MANUAL THREE PHASE Reversing Switch Handle Water Solenoid Valve Motor Lead Wires 208 Volts Three Phase Only For Single Voltage Motor 3 Lead Motor DIAGRAM 10 53 SECTION 17 gt IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician REVERSING SWITCH MANUAL THREE PHASE Reversing Switch Handle Motor 8 Lead Wires Three Phase Water Solenoid Valve DIAGRAM 11 REVERSING SWITCH MANUAL THREE PHASE W TIME DELAY RELAY Reversing Switch Handle cc ze ie O f NO Q Motor a l ay 8 Lead Wires 460 Volts 3 C Sees on 9 Three Phase IN y N L J Solenoid Time Delay Valve Relay DIAGRAM 12 54 SECTION IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician REVERSING SWITCH MANUAL THREE PHASE W TIME DELAY RELAY Reversing Switch Handle 208 230 Volts Motor Three Phase Lead Wires 12 Lead Motor also see Diagram 14 un a Water Le _ Teer Solenoid G 1 Valve N ae Ox J DIAGRAM 13 Motor Lead Wires 208 Volts Three Phase Single Voltage Motor Only 3 Lead Motor BEE ee ae Sa
6. Starts hard may run and trip overload 4 Cannot turn rotor shredder by hand The causes would be 1 Foreign object material such as silverware cleaning rag cooking utensil tin foil wrappings mop strings etc entered the disposer and wedged tightly between grinding elements 2 Excessive material such as plastic straws cigarette filters bits of tin foil cocktail mixing sticks etc can become chewed up and packed in the vertical teeth of the stationary shredder Eventually they may swell and start to bind on the outside diameter of the rotating shredder causing the motor to overload Lack of sufficient post flush contributes greatly to this problem 3 Disposer was turned off before all material was ground away or disposer was heavily overloaded before or during the grinding operation Clearing the jam may require 1 Using the 18 jam release bar I S E part No 4173B see Figure 15 1 a The notches on the ends of the jam bar are different Determine which end should enter the disposer to engage the lug on the rotor shredder Clamp vise grips or adjustable pliers to the bar as shown While pushing downward on the bar turn the vice grips to move the rotor shredder Looking into the disposer with a flashlight will help determine which direction the shredder was turning so that you can unjam the unit by turning the jam bar in the opposite direction b Remove the object s and reset the overload protector if necessary
7. area is now exposed 5 Scribe mark upper end bell and stator and lower end bell and stator see Figure 12 2 6 Using the stationary shredder as a stand stand unit upside down and remove bottom cover and fan as outlined in Section 5 The upper bearing will probably slide off the shaft onto the work 1 Shield 8 Bearing Cone and Cup 2 Screw 9 Bearing Spacer 3 Lip Seal 10 End Bell 4 Sleeve 11 Thrust Washer 5 0 Ring 12 Oil and Water Retainer 6 Centrifugal Moisture 13 Woodruff Key 2 Shield 14 Woodruff Key 7 Bearing Cone and Cup 15 Rotor and Shaft Assembly Figure 12 1 Figure 12 2 29 Pd SHH E RATOA Figure 12 3 PA ERS T A AA T E Figure 12 8 30 7 Lay unit on its side and tap upper end bell alternately on opposite sides with a nylon or rawhide mallet until upper end bell is disengaged see Figure 12 3 8 Turn unit right side up using the stationary shredder as a stand 9 Pull upper end bell 10 out and free of rotor and shaft 15 CAUTION THE MOTOR SHAFT MIGHT PULL AWAY WITH THE UPPER END BELL DO NOT ALLOW IT TO DROP REMOVAL OF BEARINGS AND OIL AND WATER RETAINER 1 Remove the upper tapered roller bearing see Figure 12 4 and the cone spacer see Figure 12 5 If they are to be reused we suggest they be wrapped in a clean rag or paper to prevent contamination by dirt or dust If they are not to be reused discard them Place end bell on bench upside down 2 Use a pry
8. bar to remove the oil and water retainer see Figure 12 6 Discard old seal IRI SPAS ER ATOR NOTE SS 300 AND SS 500 OVER SERIAL NO 70 000 AND MODEL SS 750 AND SS 1000 UNITS ONLY Located between the oil and water retainer and the lower tapered roller bearing is a steel thrust washer Remove and retain this as it must be reinstalled at time of reassembly see Figure 12 7 3 Remove lower tapered roller bearing If t is to be reused place with upper bearing If not to be reused discard it see Figure 12 8 4 It is not necessary to remove either the upper or lower outer cups unless a new bearing set is to be installed in the end bell If it is necessary to remove them proceed as follows Lay end bell upside down on bench Insert a mild steel rod through the lower outer cup at an angle so that the lower end of the rod will rest on the upper cup backface see Figure 12 9 Tap the rod gently with a hammer and the upper outer cup will become dislodged Turn the end bell upright and remove the lower outer cup in the same manner see Figure 12 10 NOTE Do nor attempt to remove the large snap ring installed in the center of the end bell This part is pressed in at the factory and should not nor cannot be removed without damaging the end bell BEARING AND BEARING CONE ASSEMBLY 1 If the existing bearings are suitable for reuse proceed to Bearing Cleaning and Lubrication and skip Upper and Lower Bearing Cup Assembly I
9. controls used on the installation Review appropriate wiring electrical diagrams Inspect controls visually and with Ohm and or Volt Meters Explain to manager and suggest contacting his supplier 21 SECTION 6 DISPOSER SIZING CHART Hotels Restaurants Hospitals Cafeterias Commissaries IN SINK ERATOR Persons Soiled Vegetable Salad Meat Per Meal Dish Table Prep Area Prep Area Prep Area Up to 100 100 150 150 175 175 200 200 300 300 750 750 1500 1500 2500 2 2500 over Contact your Food Service Consultant or In Sink Erator FOR SPECIAL APPLICATIONS SUCH AS SUPERMARKETS OR OTHER HEAVY CONTINUOUS VOLUME INSTALLATIONS SELECT MODELS SS 750 OR SS 1000 Additional IN SINK ERATOR units or a disposer larger than indicated in the chart may be necessary in the following instances if large amounts of fibrous hard or bulky materials are in the mixed wastes if there is an occasional need for increased capacity due to special occasions or if waste volume is expected to grow 22 ee TERMINAL BOX AND TRIM SHELL SECTION 7 IN SINK ERATOR REMOVAL 1 Place unit on bench upside down 2 Remove terminal box retaining screw see Figure 7 1 3 Remove terminal box see Figure 7 2 4 Remove two trim shell retaining screws see Figure 7 3 5 Turn unit so waste outlet is facing away from you 6 Grasp trim shell with both hands Spread shell wide enough to Figure 7 1 allow it to clear bottom cover Angle
10. defect How Long Are the Disposer and Accessories Warranted The disposer and accessories are warranted for one year from date of installation Are Service Labor Charges Included in This Warranty Yes During the first year following installation in the extended areas of established commercial service IN SINK ERATOR will provide service labor necessary to repair or replace defective parts providing such labor is performed by an IN SINK ERATOR Factory Authorized Service Center How to Obtain Service Please call the nearest IN SINK ERATOR Factory Authorized Service Center when service is needed For the location of your nearest Factory Authorized Service Center call toll free 1 800 558 5700 except Canada in Wisconsin call 1 800 922 2331 What Conditions Are Not Covered by This Warranty This warranty does not apply if failure of commercial disposers to operate is due to Faulty or improper electrical installations faulty or improper plumbing installations abuse accidental damage grinding elements jammed by foreign objects clogged drain lines unit improperly sized for application according to factory recom mendations or disposer being in storage longer than 18 months from date of manufacture This Warranty Is Valid In the 50 States and Canada Only as Written In Its Entirety and no Other Warranty Applies ee INSTALLATION REMOVAL OPERATION SECTION 5 IN SINK ERATOR IMPORTANT These installation instruction
11. in this manual Standard electrical connections are also included The method of mounting the disposer is uniform throughout models as is the mounting bolt circle diameter Basic models covered in this manual Above serial number 70 000 SS 50 SS 75 SS 100 SS 125 SS 150 SS 200 Above serial number 130 000 SS 300 SS 500 SS 750 SS 1000 This manual may be used for general referral for disassembly on SS series models prior to models shown above Models shown here are Basic Model Numbers i e SS 150 which includes several motor variances The specification decal on the motor trim cover will reveal the Complete Model Number i e SS 150 24 denoting the motor is 115 208 230 Volt Single Phase Whenever new replacement parts are used ordered you must know the Complete Model Number serial number motor voltage and phase found on the specifications decal You Must use correct parts sheet for specific model you are servicing SECTION 2 PRIOR TO REPAIRS rn IN SINK ERATOR Prior to diagnosing a problem one must give consideration to the following items so that proper service adjustments are accomplished intelligently and without delay or call backs Obtaining complete information on the phone will help the service technician before he arrives at the job site Apparent electrical problems may actually be caused by a mechanical problem I E worn bearings can cause a unit to hum and not run Commercia
12. possibilities listed before making conclusions or repairs Water leaks at mounting Loose mounting screws or waste discharge Pinched or broken gasket Water in the motor See Water in motor 18 Tighten all mounting screws Tighten locking ring if mount is a number 5 mounting assembly Replace gasket IN SINK ERATOR PROBLEM Water leaks at grind chamber area or center of unit Syphon breaker leaks Does not drain or drains slowly Water in disposer after being shut off possibly some food waste also or Frequent drain line blockage POSSIBLE CAUSE Stationary shredder gasket pinched misfitted or broken Water inlet connection loose in body Lower body cover Stationary shredder Loose plumbing connections Installed improperly Drain line blockage Center line of disposer waste outlet is below center line of drain line Improper drain line slope Grind elements SECTION 6 SOLUTION Replace gasket Replace with new body or totally remove inlet connector from body and use plumbing fittings nipple el nuts rubber gaskets to repair Tighten bolts holding lower body cover to upper end bell compress stationary shredder gasket If this fails to secure the leak the rivnuts in the lower body cover have separated enough not allowing compression of the gasket Replace lower body cover Cracked or broken allows water leaks to the outside of the unit and runs down th
13. shaft and fan hub are even Then place one thumb on each side of the fan hub and press down firmly The locking rib in the fan bore will seat itself in the locking groove on the shaft 4 Install snap ring 5 Place bottom cover on unit NOTE Bottom cover wilt only fit one way Be sure to align motor thru bolt holes in bottom cover with motor thru bolt holes in lower end belt and align leg access holes in bottom cover with threaded recess in end belt 6 After bottom cover is aligned motor thru bolts can be inserted NOTE Be sure spacer tubes are placed on motor thru bolts between bottom cover and motor thru bolt hole in lower end belt After this is done thru bolts can be threaded into upper end bell 7 Reassemble according to Section 7 SECTION 9 Figure 9 1 Figure 9 2 Figure 9 3 25 SECTION 10 Figure 10 1 12 13 x 4 Lg 16 18 x 1 1 4 Lg Socket Head Capscrew Figure 10 2 Figure 10 3 26 STATIONARY SHREDDER IM SiR EPATOR REMOVAL FROM UNIT 1 Disassemble as per Section 7 and Section 8 IMPORTANT Scribe mark the stationary shredder and the upper end bell see Figure 10 1 2 Place a short section of pipe approximately 1 1 4 long over the rotor shredder mounting nut This center piece is to be used as a fulcrum point Place the flat end of service tool 6462 or a crow bar under the protruding edges located in the wall of the stationary grind r
14. FOOD WASTE DISPOSERS SERVICE MANUAL COMMERCIAL DISPOSERS INCLUDES WIRING DIAGRAMS Seel Ei SEE PREFACE FOR MODEL REFERENCE En N SINK ERATOR DIVISION EMERSON ELECTRIC CO Ce 4700 21st STREET RACINE WI 53406 MEASON IN SINK ERATOR SECTION 1 PREFACE 2 PRIOR TO REPAIR 3 HOW TO USE THIS MANUAL LIMITED WARRANTY INSTALLATION REMOVAL OPERATION PROBLEM CAUSE SOLUTION TERMINAL BOX AND TRIM SHELL BODY AND COVER BOTTOM COVER AND FAN 10 STATIONARY SHREDDER Page No 15 23 24 25 26 TABLE OF CONTENTS SECTION Page No 11 ROTOR SHREDDER 28 12 UPPER AND LOWER 29 END BELL Bearing Replacement 29 13 ROTOR AND SHAFT 35 14 STATOR AND LOWER END BELL 37 15 JAMMED DISPOSER CONDITIONS 41 16 WIRING DIAGRAMS 43 17 18 ELECTRICAL CONNECTION DIAGRAMS WATER TO START SYSTEMS 47 61 De eal PREFACE SECTION 1 IN SINK ERATOR IN SINK ERATOR manufactures commercial food waste disposers from 1 2 horsepower through 10 horsepower The basic assembling or disassembling of all SS Series models is identical However electrical connections do vary depending on the disposer specifications power supply and electrical controls You will find disposers with single voltage dual voltage and tri voltage motors and for either a single or three phase power supply Electrical connections for various electrical controls that may be used with the disposer are shown
15. FROM UNIT 1 Disassemble unit as outlined in Sections 7 and 9 Scribe mark upper end bell and stator housing and lower end bell and stator housing see Figure 14 1 2 Lay unit on its side and tap on bottom surface of upper end bell until upper end bell and stator housing separate see Figure 14 2 At this point stand unit upside down and lift stator and lower end bell assembly straight up and off STATOR AND LOWER END BELL DISASSEMBLY The stator assembly and the lower end bell assembly contain all the electrical components of the disposer In the event replacement of one or more of these components is required proceed as follows 1 The capacitor used on single phase units only is held in place in the terminal box mounting bracket by a spring clip Insert a screwdriver blade between the clip and bottom of capacitor and by prying gently the capacitor will be released see Figure 14 3 CAUTION DO NOT TOUCH CAPACITOR TERMINALS AS ELECTRICAL SHOCK MAY OCCUR This will allow access to the terminals so the lead wires can be unsoldered allowing removal or replacement of the capacitor After lead wires are resoldered reinstall the capacitor 2 Capacitor Testing CAUTION DO NOT TOUCH CAPACITOR TERMINALS CHARGED CAPACITOR CAN CAUSE SEVERE SHOCK WHEN BOTH TERMINALS ARE TOUCHED A CHARGED CAPACITOR WILL HOLD AN ELECTRICAL CHARGE UNTIL IT IS DISCHARGED AND OR SHORTED OUT HANDLE CAPACITOR CAREFULLY UNTIL IT IS KNOWN THE CAPACI
16. Plumbing Instructions for recommended cold water requirements Figure 5 4 8 DISPOSER MOUNTED TO COLLAR ADAPTOR Connect cold water to body water inlet See Step 8 General Plumbing Instructions for recommended cold water requirements 9 In connecting an IN SINK ERATOR to a septic tank consult codes for required size of tank and for the proper seeding starting of tank for trouble free installation Removal i i Figure 5 5 1 Removal is the reverse of installation SECTION 5 IN SINK ERATOR ga se HE Pre Pre Rinse Mixing Tee Vacuum Breaker gt Na Te Double Water Inlet used only on 18 Bow Sinks Solenoid Valve All Cold Water _ Pipe 1 2 Inch Minimum s x f Hot Water x e Pipe 1 2 Inch l T Start Stop Switch a Body Water inlet Elbow Water Inlet Figure 5 6 SECTION 5 IN SINK ERATOR NOTE RISE For special mounting adaptor installation refer to instructions packed with adaptor INSTALLATION OF DISPOSER BASE UNIT TO No 5 SINK FLANGE MOUNTING Standard 3 1 2 4 Sink Opening 1 Unscrew the 3 mounting screws on the sink flange mounting assembly until flush with mounting ring surface Pry out the snap ring holding the sink sleeve and separate all parts see Figure 5 7 2 To install stainless steel sink flange form a ring of top grade oil Figure 5 7 base putty around sink opening Use putty that always remains pliable Insert sink flange int
17. TOR IS FULLY DISCHARGED Figure 14 1 Preem e ee SECTION 14 Figure 14 2 Figure 14 3 37 SECTION 14 Figure 14 4 Figure 14 5 Figure 14 6 Figure 14 7 38 IM Se ERATOR Before inspecting and testing make sure the capacitor is fully discharged by using a jumper wire with a high resistance 1000 ohm resistor to short out and or discharge the capacitor see Figure 14 4 An insulated screwdriver can also be used but is not recommended because possible damage to the capacitor may occur see Figure 14 5 A sharp crack and spark will occur 1f the capacitor is fully or partially charged when performing this procedure To test the capacitor use an ohmmeter set on highest ohm scale Place the meter probes on capacitor terminals see Figure 14 6 If meter does not move capacitor is open Replace capacitor If meter needle Jumps to O zero and stays there capacitor is snorted within itself Replace capacitor If meter needle jumps to 0 zero and slowly moves back toward infinity 8 capacitor is good The overload protector is held in place in the terminal box mounting bracket by an overload clamp and two retaining screws To remove the overload protector remove the two screws and the overload clamp see Figure 14 7 At this point the overload protector is available for removal and or replacement If the overload protector is to be removed to allow further disassembly of th
18. assistance 47 SECTION 17 SF IN SINK ERATOR Cord Length 10 12 Ga Wi ire gt N _ Switch Locate Approx 3 From End Of Cord J WM Vol N A Green Ground Alligator Clips Fastened to Each Wire End 8 Required Se Figure A 48 SE er IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician Use STANDARD MOTOR CONNECTION WIRING DIAGRAMS in disposer motor terminal box or see Section 17 WIRING DIAGRAMS STARTING ON OFF SWTICH MANUAL Water Solenoid Starting Switch ye All Voltages Do Not Use L3 and T3 i i For Single Phase Line or Applications Power To Motor Source DIAGRAM 1 STARTING ON OFF SWITCH MANUAL W TIME DELAY RELAY i Line or Power l Source All Voltages Except 460 Volts Water Do Not Use L3 and T3 For Solenoid Single Phase Applications Valve N t e am sah aml DIAGRAM 2 SECTION 17 ISE IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician Use STANDARD MOTOR CONNECTION WIRING DIAGRAMS in disposer motor terminal box or see Section 17 WIRING DIAGRAMS STARTING ON OFF SWITCH MANUAL W PRESSURE SWITCH Manual Starting Switch Pressure Switch L1 T1 L1 Mi ee ai En in lee All Voltages 1 2 H P Through 5 H P Line or L2 T2 To Source L2 M2 Do Not Use L3 T3 L3 and T3 m 9 gt eno en Fo
19. ber Ring Screwdriver source and line phase Disposer wiring connection voltage must be the ieas Slot the voltage of the line or power supply In Stud Black CAUTION a ar Plug 2 ALL ELECTRICAL CONNECTIONS SHOULD BE MADE TO CONFORM TO LOCAL CODES BE CERTAIN THAT ALL Figure 5 15 IN SINK ERATOR DISPOSERS ARE CAREFULLY AND PERMANENTLY GROUNDED The motor connection wiring diagrams for the 1 2 through 10 H P models are found inside of the disposer terminal box at the front of the disposer NOTE All IN SINK ERATOR disposers are equipped with built in thermal overload protection Therefore any starting switches furnished that have provisions for heaters will not be supplied with heaters 11 SECTION 5 12 IN SINK ERATOR ELECTRICAL INSTALLATION 1 2 Through 10 H P The following simple steps are required to complete the electrical connections to the IN SINK ERATOR Disposer 1 Remove the screw at the center of the terminal box in front of the disposer 2 Pull the terminal box out of the stainless steel trim shell Assemble an electrical conduit connector to the hole in the exten sion plate at the bottom of the exposed wiring compartment 4 Connect the grounding wire to the ground screw 5 Connect incoming wires to motor lead wires NOTE Be certain that the wiring connections are the same as those on the Motor Control Wiring Diagram for your group of controls see Section 16 6 Replace terminal box in positio
20. bypass cord see Figure A When using the cord the motor connections should be the same as when using a manual on off switch Using the bypass cord will allow the service technician to determine quickly if the disposer or the controls are faulty If on a new or rewired installation the fault is in the controls check all wiring connections to make certain they are correct for the electrical controls installed Check twice If any electrical control requires replacing it can be ordered from IN SINK ERATOR by description You must furnish complete motor specifications type of control and any numbers found on the control Electrical controls vary depending on the size of the disposer and in some cases a special control may be found ELECTRICAL CONNECTION DIAGRAMS FOR ELECTRICAL CONTROLS INDEX OF CONTROLS DIAGRAM NO STARTING ON OFF SWITCH MANUAL 1 2 3 4 REVERSING SWITCH MANUAL SINGLE PHASE 5 6 7 8 REVERSING SWITCH MANUAL THREE PHASE 9 10 11 12 13 14 15 MAGNETIC STARTER WITH START STOP BUTTONS 21 22 23 24 MAGNETIC STARTER REMOTE CONTROL TYPE 15 16 17 18 19 20 TIME DELAY RELAYS 2 4 7 8 2 13 14 19 20 23 24 PRESSURE SWITCHES 3 17 22 FLOW INTERLOCK SWITCH 16 21 PUSH BUTTON CONTROL STATIONS 18 19 20 WATER SOLENOID VALVE ALL There are special designed installations requiring additional or specific types of controls or combinations Wiring diagrams for those do not appear on these sheets If help is needed call the factory for engineering
21. cted to determine 1f it is reusable If the horizontal bars on the top surface of the shredder show signs of excessive wear or are broken the rotor shredder should be replaced 1 Place rotor shredder on shaft and align keyways in shredder with keys on shaft After keys are lined up tap shredder down until it is fully seated 2 Install new fibre gasket steel washer and self locking hex mounting nut 3 Hold rotor shredder with vise grip or channel lock pliers so it will not turn With a socket or box end wrench tighten mounting nut firmly Then reassemble as per Section 7 Section 8 and Section 10 d u km y Figure 11 2 er SECTION 12 UPPER AND LOWER END BELL ih Goa ERATOR REMOVAL FROM UNIT 1 1 Disassemble as outlined in Sections 7 8 10 and 11 o TRI LIP SEAL REMOVAL a Review Figures 12 1 and 12 15 before proceeding 1 Pi 1 Remove the two exposed woodruff keys 13 and slide the shield he Double Tapered 1 up and free from the shaft 15 see Figure 12 1 ia E Timken Roller Bearing Assembly 2 Pull the sleeve 4 up and off the shaft 3 Remove six or twelve depending on size of disposer screws 2 allowing the tri lip seal 3 to be pulled free from the upper end bell 10 Remove the third woodruff key 14 from the shaft 4 The 0 Ring 5 and the centrifugal moisture shield 6 can now be pulled up and free from the shaft The bearing
22. e outside of the motor Replace stationary shredder Tighten plumbing connections Syphon breakers must be installed 6 inches above the flood plane which is the top working surface of the sink reinstall Plumbing connections backwards reinstall Poppet in syphon breaker worn cracked or missing replace with new syphon breaker Poppet in syphon breaker sticking disassemble clean and reassemble Clean out drain lines from disposer to main sewer Vent lines may also require cleaning Instruct user to use 3 minute post flush Possibly install a time delay relay Check for proper water flow could be too little water being used Plumbing adjustment required to drain line Horizontal drain line require minimum of 1 4 fall per foot Worn or piece broken away allows large chunks to enter drain line Replace grind element s 19 SECTION 6 PROBLEM Splashing from disposer during operation Splashing from bowl Water runs continuously after disposer is turned off Excessive wear on grinding elements Will not grind 20 POSSIBLE CAUSE Excessive water entering disposer and or excessive water pressure Spray nozzles not installed properly Solenoid valve Normal Time Delay Relay Disposer undersized Highly abrasive material being ground in abundance Non biodegradable material being ground Excessive water entering disposer Insufficient grinding t
23. e stationary shredder to form a seal with the upper end bell 2 Position the stationary shredder in the upper end bell being sure the scribe marks are aligned NOTE Proper alignment of the scribe marks is important as the upper body will not fit over the stationary shredder when assembling if the grooves in the shredder do not line up with the locating tabs on the body 3 Strike fairly hard alternately on the upper rim of the stationary shredder until it is seated fully in the upper end bell see Figure 10 5 NOTE Never strike the stationary shredder with a steel hammer Either babbitt nylon leather or wood mallets must be used Reassemble according to Section 7 and Section 8 Figure 10 4 Figure 10 5 SECTION 10 27 zn ROTOR SHREDDER ISE IM SINK ERATOR REMOVAL 1 Disassemble as per Section 7 8 and 10 2 Hold the rotor shredder with a vise grip or a channel lock pliers so it will not turn With a socket wrench or box end wrench remove the mounting nut steel washer and fibre gasket see Figure 11 1 NOTE Mounting nut has right hand threads 3 Place a pry tool under one edge of the rotor shredder and a similar tool under the opposite edge of the rotor shredder Work the tools alternately until rotor shredder is pried off of the keys which position the shredder on the shaft see Figure 11 2 INSPECTION AND INSTALLATION Prior to reassembly the rotor shredder should be carefully inspe
24. e terminal box mounting bracket be sure to mark or identify the lead wires as they are unsoldered from the overload protector This will enable you to solder them to the proper terminals upon reassembly If the overload protector is just being replaced unsolder the lead wires one at a time and resolder to the replacement overload to assure connecting to the proper terminals Refer to Wiring Diagrams for correct connections I IH ERATOR 5 Overload Switch Check a Make certain the red button is pressed in fully b Use an ohmmeter to check continuity see Figure 14 8 1 Three phase overload protectors have six 6 terminals 2 Single phase overload protectors have three 3 terminals An ohmmeter reading should show continuity between all terminals including the center post Whenever the overload protector is tripped open the ohmmeter will show no continuity between any and all terminals including the center post If the overload needs replacing be absolutely certain the new overload protector is correct Refer to parts lists for correct numbers Figure 14 8 See Diagrams 1 2 3 4 and 5 of Section 16 6 The terminal box mounting bracket should not have to be removed from the stator unless the stator is to be replaced or unless the terminal box mounting bracket is damaged To disassemble the mounting bracket from the stator remove the overload protector capacitor single phase units only and the four moun
25. f new bearing cups and cones are being installed lubricate the bearings as indicated in Cleaning and Lubrication and install the bearing cones as indicated in Bearing Cup Assembly Figure 12 7 Figure 12 8 Figure 12 9 Figure 12 10 SECTION 12 31 SECTION 12 Shisid Of screw on ong Centrifugal gt e Molsture Shield a i wo m Spacer Bearing Cone Thrust Washer and Cup Ol and Water Retainer I woodrutt Key 2 Woodruff Kay a N Figure 12 11 Figure 12 12 32 ih Sie ERATOR BEARING CLEANING AND LUBRICATION 1 Clean old grease and dirt from the bearings by washing the bear ings with kerosene or mineral spirits After the bearing has been washed and cleaned it should be dried thoroughly Inspect bearing cones and bearing cups carefully If they show evidence of corrosion pitting scoring or any other signs of damage or wear discard complete bearing set Replacement parts are available in an Upper End Bell Bearing and Seal Kit Parts included in kit are shown in Figure 12 11 Do not attempt to use old cones with new cups or vice versa The double tapered roller bearings are machined as a matched set and they will not mate with other bearing set cones or cups Use only Texaco Kafram 390 grease or Texaco BRB grease to lubricate the bearings This type of grease has been chosen to be compatible with the disposer design and operating conditions Do no
26. flange see Figure 5 2 Top side 1s marked on mounting gasket vom Mounting flange mounting gasket and capscrews are packed and Figure 5 2 shipped with each bowl sink or collar adaptor un 2 Position mounting flange down over outside of mounting gasket Threaded fasteners in mounting flange will fit into recesses in top 7 of mounting gasket N Jaf 3 Assemble two 2 capscrews from bottom of mounting gasket into amp m any two opposite threaded fasteners in the mounting flange see Figure 5 3 Hold mounting flange and mounting gasket together at capscrew location while assembling capscrews Make about three full turns Figure 5 3 S SECTION 5 IN SINK ERATOR 4 Raise disposer and engage capscrew heads in keyhole slots in disposer body flange and turn disposer see Figure 5 4 The disposer will now hang by itself Assemble four remaining capscrews but do not tighten see Figure 5 5 For 3 H P through 10 H R unit is floor supported 5 Turn disposer into position line up the plumbing connections and tighten the capscrews in disposer mounting Capscrews are to be tightened until edges of mounting flanges come together 6 Make plumbing and electrical connections to the disposer per local codes 7 DISPOSER MOUNTED TO BOWL SINK Connect cold water to bowl sink nozzle s When disposer is fitted to a bowl sink it 1s not necessary to connect disposer body water inlet see Figure 5 6 See Step8 General
27. gnetic Starter Starter Denn C 2 Start Phase T1 T2 EN T3 Applications gag Ee E Br i DEE ee Water vy Solenoid Valve Motor DIAGRAM 21 MAGNETIC STARTER START STOP BUTTONS W PRESSURE SWITCH Caution Jumper X must be removed when Power Supply connecting Pressure Switch Pressure Magnetic Starter Switch Terminal 4 2 All Voltages Magnetic Starter Magnetic Terminal Starter Do Not Use L3 an ae un L1 and T3 For Single Phase Applications r Sto f a eee Water CY Solenoid Valve Motor DIAGRAM 22 59 SECTION 17 IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician Use STANDARD MOTOR CONNECTION WIRING DIAGRAMS in disposer motor terminal box or see Section 17 WIRING DIAGRAMS MAGNETIC STARTER START STOP BUTTONS W TIME DELAY RELAY Power Supply IL1 L2 IL3 T1 All Volt E Magnetic nn B ee gt hr Starter Magnetic Fxcent 460 Volts WIA fL2 Terminals Starter Do Not Use L3 m yk and T3 For Single QUST m w Be nie d Start Stop ISE Water _ J Time Solenoid G Delay Valve Relay Motor DIAGRAM 23 MAGNETIC STARTER START STOP BUTTONS W TIME DELAY RELAY Power Supply L1 L2 L3 460 Volts Only T2 Magneti 460 Volts Only Starter Magnetic Starter Terminals Start Stop Le te eel Water Solenoid Motor Valve DIAGRAM 24 60 i SIE ERATOR WATER TO START SYSTEMS SECTION 18
28. grease dirt and mastic A clean rag soaked with paint thinner will remove all of this residue It is very important that the entire cavity is completely free of any burrs Crocus cloth may be required to smooth the area After the end bell has been cleaned wipe with a clean rag Also clean the outside diameter of the bearing cup in the same manner to remove all oil grease or dirt Be sure it is also wiped dry with a clean rag Coat the cup recess in the end bell with Loctite and insert the bearing cup Press cup in firmly so it will be seated fully in the recess Turn the end bell over and repeat this process with the remaining bearing cup LOWER BEARING AND OIL AND WATER RETAINER ASSEMBLY 1 Place end bell on bench in upside down position Insert the lower tapered roller bearing 8 into outer cup see Figure 12 1 Now place and center the steel thrust washer on the bearing Place the oil and water retainer 12 squarely into end bell recess Using a wood block and a nylon or rawhide mallet tap the seal into the end bell recess until it is flush with the casting see Figure 12 13 NOTE Upper tapered roller bearing will be assembled later LOWER END BELL STATOR AND ROTOR SHAFT ASSEMBLY 1 Support the motor assembly firmly so the end bell can be reinstalled Holding the end bell 10 with both hands guide it down over the rotor shaft being careful not to damage the shaft threads Thrust washer could shift causing interference Line
29. i REISE 3 Solenoid BE a re pe a en oS i Valve ss SAR Time 2 N Delay Relay T J GRAM 14 SECTION 17 an IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician Use STANDARD MOTOR CONNECTION WIRING DIAGRAMS in disposer motor terminal box or see Section 17 WIRING DIAGRAMS REVERSING SWITCH MANUAL THREE PHASE W MAGNETIC STARTER Reversing Switch Handle Remote Magnetic Starter All Voltages Three Phase Only Water Solenoid Valve DIAGRAM 15 MAGNETIC STARTER REMOTE CONTROL TYPE W FLOW INTERLOCK SWITCH Power Supply 1L1 L2 L3 All Voltages Do Not Use L3 and Magnetic T3 For Single Phase Starter Applications Magnetic 7 Ae L1 Starter Cy Motor Flow Terminal Interlock B Switch ce e3 Magnetic Starter DIAGRAM 16 Terminal 56 SECTION 17 D IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician Use STANDARD MOTOR CONNECTION WIRING DIAGRAMS in disposer motor terminal box or see Section 17 WIRING DIAGRAMS MAGNETIC STARTER REMOTE CONTROL TYPE W PRESSURE SWITCH Power Supply All Voltages Magnetic Starter Do Not Use L3 and T3 For Single Phase Applications PrESSUTE Sen cea Magnetic Starter 2 Terminal Motor Lig Ml__o3 Magnetic Starter er eM2 Terminal DIAGRAM 17 MAGNETIC STARTER REMOTE CONTROL TYPE W PUSH BUTTON STATION Power S
30. ime Worn grinding elements Plugged teeth in stationary shredder IN SINK ERATOR SOLUTION Adjust water entering unit to proper recommended G P M If water pressure cannot be adjusted install a safety baffle silver guard and or cover Spray nozzles should be pointed downward approximately 15 to 20 degrees Installed backwards arrow on solenoid valve must point down stream Valve not closing dirty disassemble and clean Bleeder hole in diaphragm out of position Disassemble and reset diaphragm High water pressure pressure must be reduced Normal if a time delay relay is being used Water may run a few seconds to 10 minutes depending on time delay setting Used for post flush Time delay may be defective and not shutting down Initiate circuit always active and not shutting down Check circuitry with volt meter Reduce use Replace disposer with proper size Do not grind abrasive material such as glass crockery ceramic or clam shells Discontinue this practice Food waste disposers are designed to grind food waste Other materials should be considered trash and cause waste treatment difficulties when introduced into drain lines Adjust water supply to proper recommended G P M Do not turn off unit until all food waste has been ground away with a 3 minute flush Replace cutting elements or reverse direction of motor if reversing controls are not used Three phase flip flop an
31. ing Rest the 6462 tool on the center fulcrum point NOTE A puller that works very well for removing the stationary grind ring can be fabricated from the measurements shown on the diagram in Figure 10 2 This tool is not available from ISE Insert the L shaped lip of the shredder puller into the groove beneath the rectangular grinding elements Use an Alien wrench to turn the threaded rod clockwise As the threaded rod is turned down against the outer shoulder on the upper end bell the stationary shredder will be pulled free of the upper end bell 3 A mallet is now used to strike downward on tool 6462 see Figure 10 3 Two or three sharp blows will raise the grind ring up and out of position NOTE Never strike the grind ring or rotor shredder with a ball peen or steel hammer Either babbitt nylon leather or wood mallets must be used MEI ERATOR INSPECTION AND ASSEMBLY Prior to reinstalling the stationary shredder we suggest that t be carefully inspected If cracked chipped or broken or if excessive wear is evident then stationary shredder should be replaced To assure a trouble free installation the bottom surface of the stationary shredder and the stationary shredder recess in the end bell must be cleaned of all old mastic and dirt so as to allow the stationary shredder to fit squarely in the upper end frame See Figure 10 4 1 Apply a coating of water resistant silicone sealant across the bottom of th
32. ions L1 208 230 Volts 60 Hz Three Phase 12 Lead Motor also see diagram 5 L2 gt DIAGRAM 3 1 L1 4 7 460 Volts 12 10 60 Hz Aa Pa Three Phase 9 x 15 2 8 411 L2 3 13 DIAGRAM 4 45 SECTION 16 ISE IN SINK ERATOR CHECK Electrical specifications of the motor and power voltage and phase must match Wiring connections must correspond Important Note Do Not use these motor lead connections whenever motor leads are connected to an optional motor reversing control switch Refer to Electrical Connection Diagrams in Section 17 for proper motor lead connections L1 1 internal 208 Volts 60 Hz Three Phase Single Voltage Motor Only 3 Lead Motor Review Sheet 1 also see diagram 3 2 L2 3 L3 DIAGRAM 5 46 Di Fan SECTION 17 ELECTRICAL CONNECTION DIAGRAMS IN SINK ERATOR The following Electrical Connection Diagrams are used to e Connect Electrical Controls to a Disposer Motor e Add Remove or Bypass Electrical Controls e Diagnose Improperly Wired Installations e Reconnect Removed Controls or Wires Servicing commercial disposers involves basic knowledge of electrical controls and their function It is possible that a disposer may fail to start or may trip the overload protector or circuit breaker because of faulty electrical connections in the control itself Isolating all of the controls from the disposer motor can be done with a
33. it completely 11 Figure 12 15 shows assembled bearings seals rotor shredder and rotor shaft in upper end bell REASSEMBLE END BELL TO UNIT 1 Support the motor assembly firmly so the end bell can be reinstalled Holding the end bell with both hands guide it down over the rotor shaft being careful not to damage the shaft thread s Line up the scribe marks Tap alternately on opposite sides with a mallet until it is seated fully Then reassemble as outlined in Sections 7 8 9 10 and 11 SECTION 13 in SIME ERATOR REMOVAL FROM UNIT 1 Disassemble unit completely as outlined in Sections 7 8 9 10 11 and 12 2 After the unit has been disassembled as outlined above it is a simple matter to remove the rotor and shaft assembly Grasp the exposed portion of the shaft firmly and lift up and out of stator see Figure 13 1 3 After rotor and shaft have been removed remove the pre load spring from the lower end bell bearing cavity see Figure 13 2 ROTOR AND SHAFT DISASSEMBLY The rotor and shaft assembly has only two moving parts on it that can be removed and replaced One part is the lower bearing and the other part is the centrifugal switch assembly found on single phase units only There should be no necessity of removing either part unless they are inoperative or damaged The balance of the rotor and shaft assembly is not to be disassembled in the field If either the Figure 13 1 rotor or shaft is damaged
34. it will be necessary to replace the 1 Press the lower bearing off in an arbor press supporting the rotor and shaft by the bearing see Figure 13 3 If bearing is worn or damaged discard it 2 To remove the centrifugal switch single phase units only it is first necessary to remove the lower bearing as described in Step 1 Remove the two centrifugal switch springs After they are removed the two centrifugal switch actuating arms and the phenolic ring will also become free and can be removed The base portion of the centrifugal switch remaining on the shaft can be removed by prying with two screwdrivers or pry tools Place the pry tools opposite each other under the centrifugal switch base By rocking the base portion of the centrifugal switch with the pry tools it can be loosened enough to remove it It should then be Figure 13 2 discarded Figure 13 3 35 SECTION 13 Figure 13 4 Figure 13 5 Figure 13 7 36 hy Sive ERATOR ROTOR AND SHAFT REASSEMBLY 1 To assemble the centrifugal switch single phase units only place the rotor and shaft in an upside down position in an arbor press Support the shaft firmly so as not to damage the bearing journals or mounting nut threads Place the new centrifugal switch on the shaft in an assembled condition Do not disassemble it Gently apply pressure to the centrifugal switch until it opens or collapses Then proceed to press the switch onto the shaft
35. l disposers may be controlled by various types of starting controls and electrical accessories Has someone else been on the job attempting repairs A cheater test cord can be used to by pass all electrical starting and or electrical controls to run the disposer direct Do the electrical specifications of the disposer match the electrical power supply Are the motor lead connections proper for the power supply as well as the starting controls What is the age of the disposer Any previous problems Is it sized properly Always make certain you have and use the correct wiring diagram s for the job and use the correct parts sheets The only place repeat only place to obtain the correct model number is from the disposer specifications plate You may have to adjust the water supply to the correct recommend ed G P M If the problem is electrical are there electrical problems with other kitchen equipment If you contact the factory for help all of the above must have been considered SECTION 4 LIMITED WARRANTY IN SINK ERATOR IN SINK ERATOR s Assurance of Quality Warrants its New Commercial Disposers as Follows What Equipment Is Covered by This Warranty All IN SINK ERATOR Commercial Disposers and Accessories produced and furnished by IN SINK ERATOR What are the IN SINK ERATOR Disposer and Accessories Warranted Against Against defects in workmanship or material only Parts wear Is not considered a
36. lt three phase motor is the only motor with three leads Therefore if you are diagnosing such a motor you must use diagram 5 only In all other cases use the appropriate diagram corresponding to the voltage indicated These connections are the same as the STANDARD MOTOR CONNECTION WIRING DIAGRAMS found in the terminal box See Section 17 for ELECTRICAL CONNECTION DIAGRAMS for electrical controls 43 SECTION 16 IN SINK ERATOR CHECK Electrical specifications of the motor and power voltage and phase must match Wiring connections must correspond Important Note Do Not use these motor lead connections whenever motor leads are connected to an optional motor reversing control switch Refer to Electrical Connection Diagrams in Section 17 for proper motor lead connections Overload Protector rea S 3 115 Volts 60 Hz ee E Single Phase g Fr Capacitor White DIAGRAM 1 Overload Protector 5 L1 fa 22 2 23 33 3 3s gt gt E z x r L2 208 230 Volts Je x 5 60 Hz Single Phase Capacitor 1 White DIAGRAM 2 44 Se SECTION 16 IN SINK ERATOR CHECK Electrical specifications of the motor and power voltage and phase must match Wiring connections must correspond Important Note Do Not use these motor lead connections whenever motor leads are connected to an optional motor reversing control switch Refer to Electrical Connection Diagrams in Section 17 for proper motor lead connect
37. n in the trim shell CAUTION BE CAREFUL NOT TO PINCH WIRES WHEN REPLACING THE TEERMINAL BOX NOTE Complete Electrical Information Located Inside Disposer Terminal Box TESTING ALL MODELS Ms Check to be sure disposer is free of all objects 2 Turn on disposer and determine that cutting elements revolve and that water flows automatically 3 Test mounting assembly and plumbing connections for leaks 4 If disposer fails to operate A Check wiring connections B Determine if built in thermal overload protector has tripped reset by hand only Refer to operator s instruction sheet CAUTION IF DISPOSER STOPS DO NOT LOOK FOR CAUSE UNTIL STARTING NTROL IS TURNED OFF NOTE No lubrication is necessary as all bearings are permanently lubricated IN SINK ERATOR OPERATING INSTRUCTIONS 10 PUSH THE START BUTTON on the switch to put the disposer in operation see Figure 5 16 Before you start feeding food waste into the disposer make sure that a steady stream of water is flowing into the disposer Don t feed garbage into disposer until unit is started and water running FEED THE GARBAGE into the disposer in a steady continuous flow Don t overload disposer with excess amounts of garbage and water The unit will consume food waste faster when you feed it steadily IMPORTANT Recommended cold water requirements 1 2 through 1 1 4 H P 5 GPM 1 1 2 through 2 H P 8 GPM 3 through 10 H P 10 GPM D
38. n motor Inspect motor parts Also lower bearing area of upper end bell for leaking water Repair with new bearing seal kit Replace other parts if necessary See Water in motor Improper use of disposer Potential jam see Section 15 Jammed Disposer Conditions operator overloading unit explain correct use Voltage Marginal low power supply Unbalanced power supply three phase only Cannot be corrected by service technician Wiring connection improper Make proper connection per wiring diagram Overloaded electrical power supply line Connect to another circuit Disposer motor should be connected to its own separate circuit Overload protector May be weak improperly connected or wrong overload Test O D Check for correct connections using wiring diagram arid parts sheet Heater Coils Incorrectly rated heater coils in magnetic starter To be corrected or bypassed by electrician Runs slow and stops when Voltage connections Low voltage power supply with high voltage food waste is put in motor connections disposer Reconnect motor lead connections using wiring diagram 16 IN SINK ERATOR PROBLEM POSSIBLE CAUSE Trips overload protector Stator circuit breaker or blows fuses immediately on starting disposer Motor lead connections Starting Control Switch Improper Voltage Improper fuse or circuit breaker Overload protector Disposer motor runs ok Water supply valve shut off b
39. o sink opening see Figure 5 8 3 From underneath sink place fibre gasket over sink flange up against bottom of sink Follow fibre gasket with steel back up ring flat side up see Figure 5 9 Follow with upper mounting ring having three set screws flush with top of mounting ring Place these parts above groove in sink flange and insert spring steel snap lock ring into groove see Figure 5 10 Figure 5 10 SECTION 5 HE Figure 5 14 10 IN SINK ERATOR 4 With a screwdriver tighten the three mounting screws evenly until fibre gasket and back up ring draw up snugly against underside of sink Sink flange will now be securely in place see Figure 5 11 Attach adaptor flange to top of disposer with six 6 bolts provided See Figures 5 1 to 5 5 for sequence of assembling parts to top of disposer Raise disposer to sink mounting assembly so that lower mounting having lugs is positioned with lugs located to right of back up screws on upper mounting ring See Figure 5 12 When mounting rings are positioned hold unit up and turn lower mounting assembly to right clockwise until unit is self s upported Insert service wrench in lug from left side and continue to turn lower mounting assembly to right approximately one quarter turn until the two mounting lugs meet and snap into position see Figures 5 13 and 5 14 Swivel unit to a position that will permit proper alignment for installa
40. on t touch the water valve after the correct flow of water is achieved by adjusting plumbing valves Grinding efficiency will be decreased if the water swirl is more than one half way up the disposer body Don t put your hands into disposer while it is in operation Don t stop disposer with garbage in it let it run for approximately three minutes to clear itself of all ground garbage This will help main tain a clean and odor free unit and avoid drainline stoppage Do not operate without factory recommended safety guards Push the STOP BUTTON on the switch to stop the disposer s opera tion see Figure 5 17 To prevent accidents make sure the disposer is shut off before you leave it Figure 5 17 SECTION 5 13 14 SECTION 5 Figure 5 18 DISPOSER JAM 1 Overloading or the presence of a foreign object metal can cause the disposer to jam and must be cleared see section 15 Jammed Disposer CAUTION IF THE DISPOSER STOPS ALWAYS TURN THE STARTING CONTROL TO THE OFF POSITION BEFORE LOOKING FOR THE CAUSE OF THE DISPOSER STOPPAGE 2 Once the jammed condition is cleared locate the red reset button which can be found in the lower front of the disposer see Figure 5 18 This is a sensitive electrical control overload safety switch which may have tripped and stopped electrical current to the motor to prevent motor burn out WAIT 3 to 5 minutes to allow motor to cool down Then press the red button hard po
41. orn Bearings Rotor core on motor shaft Disposer Installation Vibrates excessively Excessive water entering disposer Overloading disposer with hard food waste or non biodegradable material Leaks Water IN SINK ERATOR SOLUTION Replace bearings Rotor core slips not tight on shaft Replace motor shaft Remove unit from sink and trap Rest unit on floor hold securely and run If unit is at fault it can now be corrected The quality of material design and installation of the sink drain line adjacent walls fasteners etc may be less than described for disposer operation Securing the table solid drain connections and use of disposer legs may help dampen any magnified grinding noise Adjust water flow to disposer See Section 5 for recommended G P M If unit is installed in a pot sink with number 5 mounting assembly drain water from sink before turning on disposer Do not overload disposer with excessive amounts of hard food waste bones Do not grind non biodegradable material IMPORTANT NOTE REVIEW BEFORE DIAGNOSING ANY LEAKING CONDITION Leaks from one area may be seen at a totally different area of the disposer EXAMPLE The water from a leaking mounting assembly or from a cracked stationary shredder can run down the outside of the disposer and drip from the bottom of the unit giving an impression of water leaking from the motor Whenever diagnosing any leaking problem review all
42. ot connect into a grease trap drum trap or interceptor 7 IN SINK ERATOR Disposers from 1 2 through 1 1 4 H P are equipped with a drain outlet designed for a slip joint connection to a standard 1 1 2 P trap not furnished Connect the trap with a branch waste line running directly into a4 stack IN SINK ERATOR Disposers from 1 1 2 to 2 H P have an outlet flange with 2 internal pipe threads N PT assembled to the disposer IN SINK ERATOR Disposers from 3 through 10 H P have an outlet flange with 3 internal pipe threads N P T assembled to the disposer Connect P traps as close as possible to the outlet flange IMPORTANT Recommended cold water requirements 1 2 through 1 1 4 H P 5 GPM 1 1 2 through 2 H P 8 GPM 3 through 10 H P 10 GPM IN SINK ERATOR 8 Water volume adjustment all H P The top of the swirling water should occasionally crest to the body water inlet Too much water can overload motor and reduce grinding efficiency Water volume can be controlled by a properly rated flow control valve or a hand operated valve SS At no time should hot water be connected directly to disposer or bowl sink If pre rinse assembly is installed tempered hot water is acceptable Figure 5 1 INSTALLATION OF DISPOSER BASE UNIT TO SINK BOWL OR COLLAR ADAPTOR _ SI 1 Slip the mounting flange see Figure 5 1 over bottom flange of OS bowl sink or collar adaptor and then fit mounting gasket to bottom
43. r Single Phase Applications DIAGRAM 3 STARTING ON OFF SWITCH MANUAL W TIME DELAY RELAY Water hg ea Solenoid Starting Valve Switch Power Three Phase Source DIAGRAM 4 50 IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician REVERSING SWITCH MANUAL SINGLE PHASE Reversing Switch Handle Motor 115 Volts j Lead Wires Single Phase Water Solenoid Valve DIAGRAM 5 REVERSING SWITCH MANUAL SINGLE PHASE Reversing Switch Handie Teer Motor ee 3 f Lead Wires 208 230 Volts an D Single Phase Solenoid DIAGRAM 6 Valve 51 IN SINK ERATOR SECTION 17 Broken lines indicate leads to be supplied by installing electrician REVERSING SWITCH MANUAL SINGLE PHASE W TIME DELAY RELAY Reversing Switch Handle Motor Lead Wires 115 Volts Single Phase SE le ERNEST Water ae ee eee O Solenoid ee ee i lMl i M Valve eae Time 2 r N Delay Relay 1 an J DIAGRAM 7 REVERSING SWITCH MANUAL SINGLE PHASE W TIME DELAY RELAY Reversing Switch Handle Motor Lead Wires 208 230 Volts Single Phase REES cee E A Water ee i X Solenoid e Me Ml Valve EN Time Delay Relay J JTAGRAM 8 52 D SECTION 17 IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician REVERSING
44. s are for the benefit of the installing contractor The IN SINK ERATOR Company or any of its Authorized Service Centers do not make original installations For technical information not covered In the following instructions contact the Factory These electrical and plumbing instructions were written under the assumption that the installer is competent and experienced in these areas If the installer is not experienced in these areas we recommend that competent Professional assistance be sought Improper installations resulting in damage to the disposer or accessories are not covered by the warranty All installations are to be in accordance with local plumbing and electrical codes GENERAL PLUMBING INSTRUCTIONS 1 Before installing the new IN SINK ERATOR Disposer properly clean out the waste lines to the connecting main sewer 2 Recessed thread fittings sanitary fittings should be used throughout and all pipe ends should be carefully reamed and free of burrs 3 Use as few elbows and tees as possible Be sure that the fittings used are of the long sweep type 4 All horizontal drain lines should have a minimum of 1 4 fall per foot A 2 pipe minimum is recommended for models with the following horsepower 1 2 3 4 1 1 4 1 1 2 and 2 A 3 pipe minimum is recommended for models of these horsepowers 3 5 7 1 2 and 10 5 Keep horizontal runs as short as possible to reduce the possibility of plumbing stoppages 6 Do n
45. ssibly with two thumbs to reset the safety switch NEVER strike the red button with an object IN SINK ERATOR PROBLEM Unit will not start Motor dead no sound water runs O K Will not start Motor dead water does not run Motor hums Water runs ok disposer will not run 15 Section 6 PROBLEM CAUSE SOLUTION POSSIBLE CAUSE Overload protector tripped open Overload protector burned out open circuit Stator burned out open Jammed grind elements Water in motor No Electric power to disposer No electrical power Starting switch on sink inoperative Jammed grind elements Start switch in motor single phase units Motor parts binding Rotor drag Start windings on single phase units open Capacitor single phase units only Voltage Improper wiring at motor and or starting switch or solenoid valve SOLUTION Reset overload protector allow 5 minutes cool down then press red button hard using both thumbs Test and replace overload protector Test and replace stator also inspect for pinched grounded shorted motor lead wires Clear jam and reset overload protector see Section 15 Jammed Disposer Conditions See Water in motor Check terminal box motor connections for power with volt meter Inspect for unconnected wires Check for blown fuses or tripped circuit breaker in main electrical supply panel Power
46. supply not connected to starting switch on sink Remove cover from switch and check operation Clear jam see Section 15 Jammed Disposer Conditions Switch contacts not making contact or burned off Replace start switch Motor thru bolts loose tighten Lower end bell misaligned remove and reassemble Rotor shaft pulling into and binding against stator core Check I D of stator core and O D or rotor shaft core for score marks Check for worn bearings and replace If necessary Check and replace if needed Weak test see Section 14 Capacitor Testing replace if necessary Low or improper voltage to disposer Check power supply at disposer Using correct wiring diagram check trace and make proper wiring connections IN SINK ERATOR PROBLEM POSSIBLE CAUSE SOLUTION Motor hums water Single phasing three phase units only One or two windings open Check stator windings replace if runs ok disposer will open Also check for shorts and grounds not run Continued Motor starts runs then Centrifugal actuator on motor shaft single Inspect adjust replace centrifugal actuator if necessary trips overload protector phase units only stuck or loose spring Doesn t allow motor switch to open Motor switch contacts single phase units Replace motor switch only welded burned closed Stator windings shorted Test stator for circuitry using proper motor winding diagrams Water i
47. t use any substitutes for the two types of grease specified The bearings must be packed with grease A mechanical grease packer will do a good job of packing the bearing cones These packers wilt also keep the grease clean and free of shop dirt and dust The grease is forced through the bearing cone from one end to the other to fill the space between the rollers and the cage Any excess grease present should be smeared on the outside of the rollers and cage If a mechanical grease packer is not available proceed as follows Place an amount of the Texaco Kafram 390 grease in the palm of your hand Holding the bearing in the other hand wipe the large end Into the grease see Figure 12 12 Make sure the grease gets deep in between the roller and the cage and not just on the outside of these parts After the rollers are sufficiently packed smear the excess grease on the outside of the rollers and cage int Sik ERATOR UPPER AND LOWER BEARING CUP ASSEMBLY NOTE Once assembly of the bearings seal bearing seal kit upper end bell rotor shaft and rotor shredder is started continue and complete without interruption This will Insure the b earing cups are property positioned while the Loctite hardens A 30 minute drying time Is required for the Loctite to harden Therefore do not run the unit until 30 minutes after this assembly 1 Prior to assembly the cup recess in the end bell must be thoroughly cleaned to remove all traces of
48. ting screws The mounting bracket will become free To reinstall reverse above procedure see Figure 14 9 7 To replace the lower end bell separate it from the stator and disconnect the lead wires connected to the starting switch see Figure 14 10 Remove the two screws retaining the starting switch and end bell will be free for removal To reinstall reverse above procedure Figure 14 9 Figure 14 10 39 SECTION 14 et a IN Silk ERATOR 8 To remove and replace starting switch used on single phase units only proceed as outlined in Step 6 see Figure 14 11 9 To replace the stator disassemble stator and lower end bell assembly as described previously 10 Stator Testing a Use an ohmmeter to check test continuity b Each winding should be checked individually c Make certain no electrical components are in the circuit you are testing d Check for 1 Opens Figure 14 11 2 Shorts between coils 3 Grounds e Refer to and use correct wiring diagram when testing See Diagrams 1 2 3 4 and 5 of Section 16 NOTE Check the motor wiring diagram that corresponds to the voltage and phase of the motor that is being tested This will help to identify the proper leads to be used for checking the desired stator winding 40 JAMMED DISPOSER CONDITIONS IM SINE ERATORE A jammed condition may be described as disposer 1 Hums but will not turn start 2 Starts and stops abruptly 3
49. tion of a trap Unit can be turned 360 degrees for easy installation Make cold water connection to disposer body water inlet see Figure 5 6 See Step 8 General Plumbing Instructions for recommended cold water requirements REMOVAL 1 Removal is the reverse of installation SECTION 5 IN SINK ERATOR DISPOSER LEG INSTALLATION See Figure 5 15 1 Pry the two guide hole plugs from the bottom of the disposer 2 Place the leg assemblies in the guide holes at the bottom of disposer Screw the threaded studs into the threaded holes in the upper end bell and tighten with screwdriver It will be necessary to demount the disposer if floor clearance is not sufficient 3 Push the black plug into the bottom of leg tube and adjust to proper length 4 Push the rubber ring on each leg up securely against the bottom of the disposer to maintain leg adjustment GENERAL ELECTRICAL INFORMATION Disposers shipped from the factory are NOT connected for a specific voltage Please refer to the STANDARD MOTOR CONNECTION H A Stud 2 WIRING DIAGRAMS in the disposer terminal box for correct voltage z Mee connections HI 1 1 8 inch Minimum The standard disposer voltages are 1 15 208 230 volts for single phase Hi B Leg electrical power and 208 230 460 volts for three phase electrical power 4 Al ra NOTE IH IE Disposer motor phase single or three phase must be the same as power y 2 Hail 3 das Rub
50. to Start system a solenoid valve and or a time delay relay cannot be used 6l SERVICE MANUAL ISE IN SINK ERATOR COMMERCIAL DISPOSER MANUAL TRI LIP SEAL DESIGN FORM NO C 161 88C 14 MARCH 1988 PART NO 31211
51. up the scribe marks Tap alternately on opposite sides with a mallet until it is seated fully in the stator 2 Stand the unit upside down and reinstall the fan bottom cover and motor thru bolts Turn assembly right side up 3 The cone spacer is machined to properly space the two tapered roller bearings when they are installed in the end bell It is not interchangeable with any other cone spacer If new bearings are installed the new cone spacer furnished with the bearing set must be used 4 Install upper tapered roller bearing in end bell recess Be sure bearing has sufficient lubrication If not clean and grease bearing as outlined in Greasing procedure SECTION 12 Figure 12 13 33 SECTION 12 LGAOOVE IN SEAL FLANGE MACHINED FACE amp GROOVE Figure 12 14 3 Woodruff Rotating Shield Keys Shredder Upper End Frame Slinger Stainless Steal A O Ring Cone Spacer Spacer Washer Ol Retainer Seal Typical of 3 through 10 H P Disposers Figure 12 15 34 em iM SIME Eee Ton The centrifugal moisture shield is designed to fit snugly on the shaft but not tight Place it on the rotor shaft to determine its proper fit If it is too loose or too tight replace it We recommend this procedure prior to reassembly of the centrifugal moisture shield into the end bell There is no way of determining its proper fit once the end bell is assembled and fined to the motor assembly Install O Ring 5
52. upper edge of shell towards yourself so opening in shell will pass over terminal connection area see Figure 7 4 Continue to lift shell and angle it towards yourself until shell is in a horizontal position Remove the trim shell ASSEMBLY 1 Place unit on bench upside down with waste outlet facing away from you 2 Grasp trim shell with both hands holding trim shell in a horizontal position Insert leading lower edge of trim shell in Figure 7 2 space between terminal connection and upper shroud Raise shell to a vertical position at the same time spreading it so it will c lear the bottom cover NOTE Use care so as not to damage lead wires in terminal box area 3 Install two trim shell retaining screws 4 Assemble terminal box cover to unit Figure 7 3 5 Install terminal box retaining screw 6 Place unit on bench in upright position Figure 7 4 23 Figure 8 1 24 SECTION 8 BODY AND COVER IN SR ERATOR REMOVAL l 2 3 Disassemble as outlined in Section 7 Using a socket wrench and a long extension or a long screwdriver reach up under the cover and remove the slotted head capscrews securing the body and cover to the end bell see Figure 8 1 Lift the body and cover assembly off of the unit INSPECTION AND ASSEMBLY Inspect body shredder seal If damaged or deteriorated replace it Place unit on bench in upright position Position body and cover assembl
53. upply N NL _ All Voltages Magnetic Starter Do Not Use L3 and T3 For Single Push Phase Button Applications Remote Control Station Water a Solenoid Valve Motor DIAGRAM 18 57 SECTION 17 SE IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician Use STANDARD MOTOR CONNECTION WIRING DIAGRAMS in disposer motor terminal box or see Section 17 WIRING DIAGRAMS MAGNETIC STARTER REMOTE CONTROL TYPE W PUSH BUTTON STATION W TIME DELAY RELAY Power Supply A NEE All Voltages Except 460 Volts RRA Do Not Use L3 and T3 Control For Single Phase Station Applications Water Solenoid Valve DIAGRAM 19 MAGNETIC STARTER REMOTE CONTROL TYPE W PUSH BUTTON STATION W TIME DELAY RELAY Push Button Power Supply Control Station 460 Volts Only 460 Volts Only m mn fl e T1 Time Delay i Relay ae L2 ater IA Solenoid DIAGRAM 20 Valve 58 SECTION 17 IN SINK ERATOR Broken lines indicate leads to be supplied by installing electrician Use STANDARD MOTOR CONNECTION WIRING DIAGRAMS in disposer motor terminal box or see Section 17 WIRING DIAGRAMS MAGNETIC STARTER START STOP BUTTONS W FLOW INTERLOCK SWITCH Caution Jumper X must be removed when Power Supply connecting Flow Switch i IL1 L2 L3 Magnetic Starter TOT Tas 2 X qylt L3 All Voltages Flow a aia seat agnetic riba Be Ma
54. ut little or no water Water in motor Water solenoid valve malfunction Low water pressure Time delay relay Seals in bearing seal area worn Upper end bell See Water leaks at grind chamber area Cleaning abuse SECTION 6 SOLUTION Direct short in motor windings test with ohmmeter Check and correct connections Also check for bare motor lead wires Insulate where required Improperly wired check and correct Check disposer electrical specifications power supply and motor lead connections Check corrections to be made by electrician Weak or incorrect part replace Open water valve in water supply line and adjust for correct recommended G P M Check solenoid e Coil weak marginal voltage or wiring for low voltage e Bleeder hole in diaphragm out of position Disassemble reposition and reassemble Dirty Disassemble valve clean thoroughly and reassemble Coil Burned out open replace valve No electric power to valve coil trace circuit for cause Must be increased responsibility of equipment owner Improperly installed or defective load circuit Check for proper connections and load with volt meter Replace parts using new bearing and seal kit Cracked or eroded replace upper end bell Kitchen cleaning crew used water hose for cleanup and hosed down the disposer driving water into the motor 17 SECTION 6 PROBLEM POSSIBLE CAUSE Noisy W
55. y on motor assembly making sure locating tabs are lined up with the locating grooves in the stationary shredder With terminal box facing you the water inlet boss should be to your right Place capscrew in socket wrench Insert wrench up under cover and guide cap screw to capscrew hole Thread capscrew about one half way in Follow same procedure with remaining capscrews until all are partially threaded At this point you can complete the threading and tightening process Reassemble according to Section 7 ap BOTTOM COVER AND FAN IM Sik ERATOR REMOVAL 1 Disassemble according to Section 7 2 Remove three motor thru bolts retaining bottom cover see Figure 9 1 Between bottom cover and lower end bell are three spacer tubes see Figure 9 2 Retain these as they must be used for reassembly After thru bolts are removed bottom cover can be lifted off 3 Remove snap ring from motor shaft to remove jam 4 Using two wide flat screwdrivers place one on each side of the shaft under the fan Pry up on fan until it moves up on shaft approximately 1 8 see Figure 9 3 5 Lift up and off INSPECTION AND ASSEMBLY 1 Inspect fan bore prior to reassembly A locking rib should be evident in fan bore If it is not the fan should be replaced 2 Place fan on shaft being sure that flat surfaces of fan bore line up with flat surfaces on shaft 3 With a rawhide or plastic mallet tap on the fan hub until the end of the
56. y two of the three power leads at the motor Single phase flip flop wires Number 2 and 5 in the disposer motor terminal box See Section 15 Jammed Disposer Conditions IN SINK ERATOR PROBLEM POSSIBLE CAUSE New bearings and seal kit Misassembled binds rotor shredder when assembled Disposer hums but does not start or Loose after assembly Disposer runs O K only Controls when using cheater cord and bypassing all controls Disposer and or electrical Ordered wrong or sent in error controls are wrong for the available power supply SECTION 6 SOLUTION Disassemble bearing seal kit Can be reused but new lower seal is required Reread bearing seal kit instructions and follow closely Use all parts in the kit Make absolutely certain the upper end bell bearing cavity is totally free of grit dirt score marks burrs and grease Also the permanent snap ring in the I D of the bearing cavity Some motor shafts lower horsepower have a permanent sleeve pressed on that surrounds a snap ring on the shaft The lower seal rides on the sleeve which also acts as a thrust spacer The sleeve must be firmly against the snap ring Make certain the sleeve is fully down to the snap ring by driving it with a brass rod and hammer or with an arbor press Reassemble per instructions Check to make certain you are using the correct bearing and seal kit for the disposer model and any other new parts Identify all
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