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Kenmore 808353 User's Manual

1. H Zei Two Level Wash Feature A separate spray tube or rotating spray arm assures excellent washability in the upper rack and another rotating spray arm thoroughly washes all dishes in the lower rack This arrangement permits complete flexibility of loading ar Se KREESSER ECH E Pp i E Seet q AN E pt o rent Ha Wi SEH A N BOSS e At d VE Ay te LS WL te SS WY Hi L a hi S DN AN KIM IMN deed Ke H ANTE Ar j EECH EE E YA RE Ee NANO Wl FIGURE 13 without concern of blocking the water pattern to either rack See Figure 13 1 Werer Charge See Figure 14 Water enters the dishwasher through the solenoid operated water mie valve The valve is energized through the timer Water will enter the machine for approximately one minute All dish washers are time filled Some models fill for 90 seconds Also some models have 45 second water charges built into water miser and normal wash cycles Refer to tech sheet in console NOTE The float switch controls the amount of water entering the dishwasher The fill is also time controlled If the timer fails to advance or the water pressure is extremely high the float switch will open the circuit io the water inlet valve thus preventing a flood If the float sticks or does not cut power to the valve the timer acts as a safety to turn power off after the allotted fill time The f
2. Detach motor and pump housing assembly cover and gaskets from tub 8 screws 6 Remove pump housing from motor 4 thru bolts at base of motor or 4 short bolts at top of bell housing and mark position of pump housing in relation to motor Install housing in same position on replacement motor IMPORTANT The motor shaft must be accurately centered in the pump housing for proper operation of the pump To assure precise cen tering use Service Tool 803923 as ilustrated in Figure 27 before tightening thru bolts Available through Sears Parts Department After the pump housing has been secured to replacement motor it is necessary to determine the correct num ber of shim washers to be used between the lower impeller and the motor shaft Shims are required to insure correct mating pressure of the water seals To determine the number of shims required hold shim gauge furnished with kit firmly on surface of pump housing as shown in Figure 37 Note Shim gauge should not be on top of gasket The shim washers are 1 32 inch thick Fill the space between the motor shaft and shim gauge with the shims CAUTION Do not over shim by allowing the gauge to raise above the pump housing surface 38 CENTER MOTOR SHAFT WITH PUMP HOUSING WITH SERVICE TOOL 803923 6666 WS Gan AS RAISE EDGES OF GASKET TO ALLOW GAUGE TO SEAT ON PUMP HOUSING SURFACE SHIM GAUGE 807077 ADD StHIMS TO FILL THIS SPACE FIGURE 38 10 Before replacing the
3. Note that the switch numbers on the Ester line chart correspond to switch numbers on the wiring diagram AL the end of the fill phase the water valve opens as shown by the Ester line chart and the timer contacts listed below are now closed Refer to Figure 70 Power Bus 1 Switch 1 Timer Motor Switch 10 Motor Power Switch 20 Phase Wash Switch 21 Heater Switch 23 o Sg e The machine is now in its first wash The switch on the motor start relay closes and then opens after the motor reaches its operating speed As you progress from left to right across the Ester line chart it is easy to determine which timer contacts are closed at any point in the cycle This information can then be related to the wiring diagram Studying and learning has no value until it is applied It is necessary to follow a step by step procedure to diagnose a machine malfunction For example let us assume we have selected a Normal Wash and the dishwasher will not fill A rule is to always check the easy and obvious first 1 Is there power to the machine Be sure the proper connection been has made to the electrical supply Also check for a tripped circuit breaker or blown fuse 3 Make sure the water supply to the machine is turned on 3 Check to be certain the door latch is closed A Check to be certain the timer dial has been advanced to the point where the indicator light comes on A short delay will be present before the machine begins to
4. staying closed for the prescribed time for switch contact time Test run have abbreviated dishwasher and check length of fill time water fills approx 45 sec on Normal and Water Miser 3 Turning the timer inio fill to start 3 Turn knob until pilot Hight burns never cycles washing cycle turn into fill 4 Using rapid advance button and advancing A Applies only to a dishwasher with dishwasher to off then following up with rapid advance timer Do not change a short wash cycle on next washing This timer or selector switch inherent in condition can only occur when the design operator does not allow the dishwasher to complete its cycle automatically Models prior to 1972 Dishwasher continues 1 Defective valve 1 Replace valve to fill even though there is no voltage to fill 2 Dirt or foreign material under diaphragm 2 Clean valve valve in Fill valve 87 D amu satia paite iaa maan rn oan ian n Bia a aaa SA arany Se hre aai a aa A Aaa aa SA Me anae MIE Rar Sm i tht rem eit er ere a ns i me erty ee em fem pp TET eit YT waen PROBLEM POSSIBLE CAUSE ACTION gree wer sumer trp lt ie he en RE ps Sie A St tM nh ee WD hy IR me AM MTT ee rr nr a i tr Sana ee Swern a AM Wr eM na Drains or water syphons 1 No loop in drain line Undercounter 1 All drain lines must have an elevated out of dishwasher after Dishwashers loop Refer to installation a fill for either a wash instructions or rinse 2 Drain line connected after
5. 1 e e EL Fre rm e re 1 a TI ep ni Di 1 p Tee H Te me ne eer Bet 5 y a S bs 7 w o e KR Le gt Se 10 vita r ri cy mp ann 3 zm 4 THERUQETAS z be ef y o ae in 1 Tp cont Ge E Ga RB ee mm e bn ema pn rm A GOEN l D it 4 I 1 H CIEN i Vo f orros sptttrek HIGH LEMI THERMOS TAT er FIGURE 630 57 Figure 63D illustrates the circuits involved when both water heat and hot rinse are selected The delay in the final rinse is controlled in this case by the higher rated thermostat hot rinse asten 5 vi i E LEE a naar emei see s 60 Pomma erp reel R 1 j A 1 s s d STO e Ge re liar FS wy i t parts 1 ae A A o JET i A 1 ever I qa t sevecton UI 1 Ire E i schl i A e Bl Aen E 9 De I UPA aa H i dg i i wy 1 AAA gi 67 ZS er AA y Da 3 S 1 1 A K FADA DEN pe Aire e sT zm ro THEAMOETAT a 4 ew Zeg ent nS d ee 1 q 3 Se t gt I eon 1 l Gell gent i TWAT RA NEAT THEAMOLTAT j D mmm TO TEER MOTON e P 1 EH mE D r Dron LULA O os E se Lectoe DLTERGEAY Eur D I 1 EZ x weu LIMI Ekee med 4 THERMOSTAT MERIER ama B mn LEED x 1 Sien OW ARETON Gi LO d MOTOR i motos su STRAT saat t lee ny I ik tow L A sf mu or sc FIGURE 63D 58 Door and Float Switches A Door Latches and Switches Door switches are safety devices which prevent
6. 3 Defective solenoid wiring or timer 3 Refer to the wiring diagram and check detergent cup electrical circuit 4 Defective bi metal release wiring or A Refer to the wiring diagram and check timer detergent cup electrical circuit Detergent does not 1 Dish or pan blocking detergent cup 1 See loading instructions in Owner s wash out of detergent Manual cup 2 Detergent cup hot and wet when loaded 2 tf cup is wet dry before loading 2 Old detergent 3 Don t use detergent that has become caked or lumpy Wetting agent 1 Wetting agent cup ribs not against 1 Mount cup so all areas of cup ribs are liquid runs out door liner resting against door liner continuously 2 Diaphragm seal out of shape puckered 2 Replace dispenser etc Solenoid operated dispenser 3 Springs defective 3 Replace springs Wetting agent liquid 1 Plunger stuck or held in open position t Free plunger or adjust bi metal release runs out each time door is opened and 2 Coil spring or C clip broken 2 Replace parts as necessary closed 3 Solenoid defective 3 Replace solenoid and bracket assembly d Bimetal release defective 4 Replace bimetal assmbly om sateen er rey er Sa cS as ARE A OE da A i dn My We At EE cee E E HY RP Te ORE TER I TO Se th ret AA eh yn AA EE HRN RIALS NA DMA i he 90 mre tr corm gam a ei sD HPP ht ela Ae man BAA WANA YON Te ser Ah at tr AAR mm AAP HRT AN he aN RAAT ORT OAT SEE RPE NS fm He me PR
7. Jr trap 2 Drains must be connected ahead of tundercounter washers J trap or into top end of a garbage disposal Refer to installation instructions 3 Recirculating hose from pump to top 3 Check circulation of water system spray tube partially or totally Clear any restrictions or blockage restricted 4 Main motor running in wrong direction A Refer to wiring diagram for proper start phase wires reversed at timer or connections motor Dishwasher will not 1 Drain port in pump casting totally 1 Clean drain port lf unable to clean drain obstructed replace casting NOTE Approx 2 pints 2 Main motor won t run in clockwise 2 Refer to wiring diagram for pump out of water will remain direction open start phase winding period and check voltage to motor in bottom of the tub 2 Vanes broken off the lower impeller 3 Dismantie top section of pump assembly visually inspect 4 Drain line kinked or collapsed total 4 Check drain line restriction 5 Open circuits between timer output 5 Refer to wiring diagram and check out terminal and motor run and drain phase motor circuits for loss of voltage 6 Open timer contacts for motor start 6 Refer to wiring diagram for closed and run windings timer contact period Check voltage through timer for these periods te wan TOE reese ert ies es dA Ale Se on untae SHIRE AURA LN NN fee SPP em NS nf SAA py nn eae adr NAW MIP RET nt ern a a Pc Dishwasher does not 1 Dr
8. INPUT TO ulrl FOR JACA CAM SICH Voltage Checks CAUTION When making voltage checks remember that the machine is connected to a live power source Use extreme caution to not physically touch any bare contacts or wiring terminals when making voltage checks When all the previous steps for normal operation have been checked and the machine still does not fill turn Lo the ee diagram and Ester line chart which is usually packed in the machine console Using a voltmeter set on a scale that will measure at least 120 volts AC connect one lead to a white common terminal and the other lead to point 1 indicated in Figure 71 With the timer set to a fill portion of the cycle and the door switch closed 120 volts AC should be present A slight humming sound should also be present which indicates that the water valve solenoid is eg if these two conditions are present check for blockage or a stuck plunger within the fill valve Clean or replace the valve as necessary If 120 volts AC is not presenti move the lead to point 2 shown on Figure 71 No voltage at this point would indicate a broken or disconnected wire or a defective timer If 120 Volts AC is present the float switch is defective or the wire between the float switch and water value is defective COLOR NCUON swith TAME Se GE CODE FY df SS ee 20 50 er rs RRL UAT LLL Se e es i SC Se HIN r SS SH e a O10 TIMER MOTOR Occ coaccciasecsuanduossees Seege gab Ir
9. a knee brace to retain the panel during screw removal Allow the complete door assembly to close slowly Remove the outer panel and rotate it from the left to the right 180 in the upright position Place the outer panel on floor adjacent to the dishwasher in the upright position Check wire connections on all components Proceed with testing and repair oo d o um 4 Reverse procedure for replacement NOTE if the removal of the access panel is likely it should be done prior to outer panel removal 68 REMOVE TWO BOTTOM REMOVE TOP SCREWS FIRST Aa SCREWS LAST RINSE INJECTOR DETERGENT DISPENSER BE METAL FIGURE 73 B Two Piece Outer Doar Control Panel The 2 piece outer door has a control panel which is separate from the remainder of the door Removal of lower panel is accomplished in somewhat the same manner as the one piece door panel The contro panel which houses the timer and selector switches may be serviced by opening the door and removing the screws which hold it in place Figure 74 When removing either panel be sure to remove only those screws which hoid that panel FIGURE 74 69 C Anti Tilt Assembly 18 Portable Models A new anti til device was designed for the 18 dishwasher to prevent overturning with 50 pounds supported on an open door D To remove refer to Figure 75 cou a w N H Disconnect power supply Place dishwasher on its back Remove spring attaching anti tilt a
10. a wash or drain cycle Set your voltmeter to the 250V AC scale and connect the leads to terminals S and L of the starting relay Figure 35 Apply power to the machine If the motor hums and voltage is indicated on the meter the relay contacts are not closing and the relay must be replaced If the motor does not hum disconnect the power and make a continuity check of the relay coil terminals L to M before checking the leads and timer 36 2 SPRAY ARM NUT WASHER 2 SPRAY ARM SUMP COVER SOME MODELS WASHER gt 4 UPPER IMPELLER z i 4 MACERATOR 4 SPACER PLATE SHROUD ess 4 PUMP PLATE GASKET E LOWER IMPELLER SHIMS 5 GASKET 6 MOTOR FIGURE 36 H Motor Replacement l you have a dishwasher manufactured in 1978 or later refer 10 the procedure on Page 40 To replace the main motor it is necessary Lo remove the motor and circulating pump assembly from the dishwasher Follow the procedure as outlined and refer to Figure 36 IMPORTANT Do not attempt any repairs on the machine without first disconnecting the dishwasher from electrical power 1 Disconnect wires circulating hose and drain hoses from the pump casting 2 Remove spray arm nut washer spray arm and sump cover if used 2 31 Sm U Aa U Remove upper pump housing diffuser 13 Remove upper impeller macerator blade spacer plate and pump plaie 4 Remove lower impeller and seals 5
11. dishwashing results One tablespoon per detergent cup may be adequate This may not completely eliminate etching but it will help to slow down the process of etching of glassware 3 Dishwashing Problems and Answers PROBLEM Dishes Not Clean Spotting Filming Etching Silverware Stained or Pitted Bronze Tarnish on Silverware Black Marks on Dinnerware Aluminum Discoloration Brown Stains Rust on Dishes or Tub Dishes Not Dry Dishes Chipping Dishwasher Odor Noise Water in Tub Bottom POSSIBLE CAUSE amp SOLUTION Water temperature is too low tshould be from 140 F to 150 F 60 C to 66 C Not enough water in the dishwasher Using old lumpy detergent Improper loading hems may be placed in the wrong position A knife or a slender handle may have prevented spray arm turning Caused by mineral deposits from hard or soft water left by evaporation Use a wetting agent such as Jet Dry Store dishwasher detergent in a c ol dry place Water is too hard Use more detergent if hardness is greater than 12 grains you may need to install a water softener Usually hard water film can be removed by soaking a glass in a half and half solution of vinegar and water D if this proves effective load the filmed glasses and dishes into the dishwasher Operate on LIGHT WASH cycle Stop the machine after it has filled for the wash phase of the cycle and pour in two cups of vinegar Close the door and let the machine comple
12. in its open position The water pressure at B and C has equalized because the bleed hole opening permits water to flow from B to C Pressure at Ais atmospheric Figure 22 The valve remains closed because the higher water line pressure at is greater than the atmospheric pressure at A When the solenoid coil is energized by the timer the plunger is withdrawn from the diaphragm opening Water in compartment C will then escape through the diaphragm opening causing the pressure in the compartment to fall to almost atmoshpheric pressure The higher water line pressure at B forces the diaphragm away from its seat opening the valve Water then flows through the screen under the diaphragm and out the valve DIAPHRAGM FLOW WASHER P ATMOSPHERIC ra FIGURE 2 CLOSED POSITION PLUNGER DIAPHRAGM FLOW WASHER E FIGURE 23 OPEN POSITION When the solenoid releases the plunger the hole in the center of the diaphragm is sealed Water then flows through the bleed hoid in the diaphragm until the pressure in compartment C rises to water line pressure Since the area of the diaphragm at water line pressure in compartment C is greater than the area at water line pressure in compartment B the diaphragm is forced closed The pressure at A is always lower than full line pressure because water passing through the valve is escaping to the open air 22 B Testing To test operation of water inlet valve place the leads of a volt meter across the termi
13. in the delay sani periods Open circuit or damaged selector switch Defective timer motor 2 evs ret ty ss ys san er ear ee en i el is hts wr ratte i Ay rm ra et a ey ems tr ae aA 1 Refer to timer testing Refer to wiring diagram and trace circuit for power loss Check component associated with missed portion of cycle Replace timer Applies to dishwashers with rapid advance timer ee ay SM a ea Ma Po rT ee Tee pee men E ame uae pe i stale terete Sm ten prey slits nh tem we ey e a ae uh frm srr Pee TT STA t Refer to wiring diagram for correct connections Refer to wiring diagram for correct connections Replace timer Applies to dishwashers with rapid advance timers Check selector switch per wiring diagram mn see en eT A a hn oe ee pe to use dishwasher Reconnect wires Refer to selector switch circuitry on wiring diagram and check continuity Refer to wiring diagram and cycle chart Check all timer switches for correct length of time each should be closed this circuit Reconnect wire Check thermostat Refer to wiring diagram and check circuitry of selector switch Check if power to timer motor Hf timer motor has power and is rotating the timer is defective PROBLEM POSSIBLE CAUSE ACTION cree mem Th RR GaP nr ee NATTY STE SN al WH A A eg A de ns He AAA ar ree HL Pe op Sa ll AAA yp Ah A UU A SP eI TTT YR ye me STO er An ra An li A er tr a St eea Dishwasher auto
14. light will be energized through the Sani Wash switch and the coil of the motor Current flow through the coils will be insufficient to cause the motor to run During this delay period the water continues t circulate and rinse the dishes while the heating element gradually raises the temperature of the water When the Sani temperature is reached the double throw thermostat closes its contact one to two the delay light goes out the sani indicator light glows and the timer motor is energized through contact 1 and 2 of the thermostat for one minute after which the timer motor switch again closes The timer motor remains energized for the remainder of the rinse and dry cycle For models without temperature indicator lights the sani delay function operates in the same manner however the thermostat is a single pole single throw switch 54 SANITIZE DELAY LIGHT CIRCUIT POWER SANI WASH CYCLE SELECTOR PEREA tt nev h AC E Kan SCA t i e e ae INDICATOR LIGHT ASSEMBLY E TE E A E DA TA a DR 00050 B Si BLOWER 1 e E EPA supt A T SWITCH RA TIMER MOTOR FLOAT SWITCH WATER VALYE ee POO RY INJECTOR COR 00920 HEATER i MAIN OVERLOAD G9 000 Di START RELAY PHASE WASH 00000 PHASE DRAIN 00002 D O acs ile E ns el i ii AAA Ge were are FIGURE 63A D Water heat and hot rinse circuits 55 In figure 63B the waier heat cir dotted line is an alter
15. one source for the leak If the leak cannot be located make the following routine checks L Check spray arm make sure there is no opening anywhere along the crimped seam and or the spray arm is not binding on the pump housing Be sure the spray arm nut is installed correctly 2 Tighten all screws and bolts in interior of tub CAUTION Excessive tightening may crack porcelain 3 Tighten water inlet port nut 4 Check gasket for cuts or wrinkles Gasket should fit snugly against all sides of the tub Pay particular attention to the lower corners 5 Check ali hose connections 6 Check water temperature Follow the detergent manufacturers temperature recommendation Water that is too cool may cause sudsing i 7 Check detergent Must be fresh and must be for Dishwasher use only 8 Do not pre rinse with regular dishwashing soap 9 Follow loading instructions in owner s manual Following the procedures outlined in points 1 through 9 should eliminate the source of the leak 91 OMI CB GI sei MISCELLANEOUS SERVICE PART NUMBERS Oversize screw for door latch Oversize screw tor ouer door panel Oversize screw for blower housing Latch kit 1972 present except one piece door models Improved caster portable models pre 1983 Threaded repair casters 2 Positive fill kit except solid state models Utensil basket for spatulas and long knives l Plastic grids for bottom of silverware basket 10 keep narrow handled fl
16. operation It must turn freely on the pump housing If binding is evident check the following Refer to Figure 15 1 2 Check the mounting holes in the arm for roundness If evidence of distortion is present replace the spray arm Check for possible binding on the pump housing Plastics occasionally have a tendency to swell or grow H binding is encountered replace the upper pump housing Check to be sure the nut is properly installed to the spray arm An improperly installed nut will lock the spray arm to the pump housing Check for a split spray arm A split seam will reduce the efficiency of the arm and may Cause a leak at the door seal or blower housing 30 C 2 Level Tower Pump System i iti i i i i _ For this reason the lower This pump systern utilizes a lower pump housing with the recirculating port closed off Fo a moale fer a ring or collar fitted around it to reduce the head pressure in the drain line during wash nnee p ean The 3 level tower system uses the same pump housing as the 2 and 3 level spray arm systems as illustra Figure 30A FIGURE 30B 31 Testing the Motor and Relay Start the dishwasher at the beginning of a cycle and allow the unit to electrically advance through the first fill The motor should start in a counter clock wise direction cow D Motor Main or Run Winding Check CAUTION Disconnect the power to the machine while connecting the voltmeter in the circuit 1 Connect a volimet
17. required shims and lower impeller on the motor shaft carefully examine the mating sur faces of the lower impeller shaft seal white ceramic and the pump housing seal black carbon These surfaces should be perfectly smooth and polished in appearance If either appears scratched pitted or damaged in any fashion the seal must be replaced otherwise a leak may occur Clean seal cavity thoroughly Install the lower seal Use service tool 803923 11 Fasten motor pump housing assembly to tub Be sure casting is clean and a new gasket is used 12 Re assemble remaining pump components in reverse order of removal IMPORTANT Be sure the relay furnished in the kit is used with the replacement motor otherwise serious damage to the motor can result Carefully review the instructions packed with the motor 39 J Motor Installation 1 Place motor on floor in proper position beneath mounting hole in tub See Figure39 Pump housing and gasket 2 3 4 5 6 7 attached Lo motor Insert 2 guide pins through mounting holes in tub and into corresponding attach screw holes in pump housing Guide pins are made by cutting 2 pieces of heavy gauge wire about 6 long They are not required However they do simplify installation GUIDE PINS e DIA ROD 6 LONG UPPER IMPELLER FIGURE 39 Temporarily attach upper impeller to motor shaft with screw Place gasket and cover ring over guide pins in position inside tub Grasp impeller
18. rinse How To Remove The Access Panel Access Bottom Attach Screws Loosen the two bottom attach screws in the access panel Open dishwasher door Remove the two top attach screws Close door Access panel can now be removed by pulling straight off CA B INSTALLATION Portable Dishwasher Hot Water Connections Portable Dishwasher 1 Attach the AERATOR ADAPTOR furnished with the dishwasher to the sink faucet 2 Check the power outlet A Will it take the three prong plug on the power cord B Is the outlet grounded CHECKING POWER OUTLET The dishwasher will operate on regular house current Do not use any other appliance on the same circuit Use a circuit with at least a 15 Ampere but not more than a 20 Ampere fuse The dishwasher power cord is a three prong type and must be plugged into a three hole grounded outlet The dishwasher MUST BE GROUNDED for safe operation Do nat under any circumstances remove the power supply cord ground prong Under Counter Dishwasher Drain Water and Electric Supply ng Shaded sections al rear ond sides end figor represent open brga available for entry of Plumbing ano etectacal ines 1 Dreain ben hale must be focatedt in this area either side H you intend to con nert to tink or disposer drain MOLE MUST BE AT LEAST 2 IN DIAMETER to azuie adequate clearance tor the drain bose H Beck wall aen ates 3 flight or ish side scores area d Through floor acces
19. through the timer and relay contacts and the motor armature begins to rotate As the motor approaches normal running speed the current in the main winding and in the solenoid diminishes When the current through the start relay drops below 10 amps the weight of the plunger overcomes the weakening magnetic force of the solenoid coil and drops out disconnecting the motor stari winding 28 Lower Impeller Circulates the water from the pump housing through the spray tube or middle and upper arms during the wash and rinse cycle When the motor reverses for the drain cycle the lower impeller forces the water through the discharge port to pump the water from the machine Pump Plate and Shroud On dishwashers manufactured since 1969 a shroud was added to the pump plate to further protect the pump assembly from foreign objects Blade or Macerator Pulverizes foou narticles and thus enables them to pass through the pump system without obstructing the water flow This eliminates the need for pre rinsing and a filter screen Upper Impeller Circulates water through the upper pump housing and into the spray arm Spray Arm Nut and Washer The velocity of the water discharged from the spray arm ports and the angle of the port opening causes the spray arm to rotate at approximately 25 to 45 R P M The rotation of the spray arm is essential for proper washing action When servicing the pump assembly always check the spray arm for proper
20. to the coupler To replace the Drain Hose 1 2 It is best to leave unit in upright position and remove access panel Disconnect drain hose from pump casting CAUTION be prepared to catch approximately one 1 quart of water from pump housing and hose Disconnect fill hose at inlet still standing upright Remove top assembly 42 5 Remove hose saddle 6 Remove hoses 7 Detach inlet hose and reattach it to a new coupler and drain hose assembly Reinstall coupler and hose assembly in reverse order Be certain routing is proper with no twists or kinks in hoses Check connections for leaks and test movement of hoses in and out of cabinet Adjustment of Hose Length The length of the hose when fully extended is approximately 4 6 to 5 Should this appear short or an additional inch or two be needed you could take up any slack that may be available in the routing Figure 42 Be certain however that you do not kink or otherwise restrict the hoses B Hose and Coupler Assembly 18 compact model Replacement of fill hose drain hose and coupler See Figure 43 L Disconnect power supply Remove top assembly 2 3 Remove hose and power cord pocket 4 Remove saddle bracket 5 Tilt dishwasher and disconnect hoses from valve and pump housing During re assembly reverse procedure and place saddle clamp approximatley 50 inches from the coupler end of the new assembly on the drain hose and approximately 48 in
21. 0 Some models have a hot rinse option in the final rinse This functions exactly like the sani temp option of 150 in the final rinse The hot rinse option is controlled through a 150 tubular thermostat High Limit Thermostat 180 Models produced after 1982 have a 180 high limit thermostat This is a tubular type it is normally closed it breaks the circuit to the heater when the temperature rating is reached On some models this thermostat may be replaced by a thermal fuse rated at 100 C This is located in the thermostat bracket on the door liner WATER TEMPERATURE OPERATING CHARACTERISTICS INLET WATER TEMP 140 F TA TNL pee UN ll i etc ER lt o ond wann dp AthRINSE 150 INLET WATER TEMP 140 130 120 110 100 AFU 0 IS WASH IStRINSE 2 RIN WATER TEMP TUB SUMP DEGREES F Water Heat Option FIGURE 62 Hot Rinse Option In Figure 62 inlet water temperature is at 140 degrees constant Operation with 140 degree inlet water tempera ture is adequate and will do a good job of washing dishes Notice how water heat and hot rinse options will function with 140 inlet temperature Sani Wash Delay Circuit Figure 63A shows the circuit at the fourth rinse when the Sani Wash cycle has been selected and the water 18m perature is below the indicated Sani temperature 150 degrees The switch to the timer motor has opened therefore the timer cannot advance The temperature delay
22. 1 Le EE 2 Ester line Charts DEEN A ce e Voltage EE dee EE EE A EE F Mechanical System cnica as 68 Beleg 68 Tub Gaskets SEA Ge OS EE EE Pin G Drying System 1 Convection Method 2 Forced Air Method Seiler en ena A A a EE di POWER Miser OpHon a AE H Pictorial EECH L Troubleshooting e ocosersasenrnanrarn LL General uo pido pidas Sg he EE 2 Water EE MISCELLANEOUS SERVICE PART NUMBERS REENEN 92 INTRODUCTION This service manual is designed to provide you with a basic knowledge of the operation of your Kenmore Dishwasher It was not designed to cover a specific model but covers in detail the repair of most components used on any model The production of a service manual for each individual model is not practical because of the excessive duplication that would result Thorough study of this manual will provide a good working knowledge of the compo nents that may be used within a Kenmore Dishwasher Application of this knowledge to a specific dishwasher should make repair relatively simple Included in this manual are installation instructions and service procedures The importance of proper installation of any appliance cannot be overstressed Qur experience indicates that incorrect installation is a major cause of unsatisfactory product performance CAUTION PLEASE NOTE Sears Roebuck and Co assumes no responsibility for any repairs made on our products by anyone oth
23. 10 seconds before the overload protector opens the motor circuit 2 If voltage is present at Position C and the motor hums but will not start the start winding is open and the motor must be replaced Motor Start Circuit Drain Cycle To check the drain start circuit advance the timer to the drain cycle and repeat the procedure described for the wash start circuit with exceptions noted below 34 1 Connect ihe meter leads to the red motor lead and any white 2 Timer contacts for the drain phase are BLU YELLOW to BLU RED Figure 34 is a diagram of the motor circuit Note that the drain or wash start winding is energized through separate timer contacts Therefore failure of the motor to start in either the drain or wash cycle may be caused by a defective timer and not a defective motor NOTE When checking an electrical circuit always exercise extreme caution and refer to the wiring diagram if available MOTOR START RELAY 115 VOLT SUPPLY Pate We BLU ORG WASH BLU BLACK WASH PHASE BLK 49000 DRAIN PHASE CrED 000A MAIN 0000 HSS NYLON l a H P MOTOR CONNECTOR OR CONNECTED DIRECTLY TO TERMINAL BLOCK OF DISHWASHER FIGURE 34 35 TERMINAL TERMINAL _ NM TERMINAL LU FIGURE 35 G After the Main Motor has been tested and proven good the motor relay may be checked as follows E 2 3 Connect the machine to electrical power Advance the timer to the beginning of
24. BUS 2 2 I k edetegebeggeteitieiete ia cani mm Till MIC EE rs CNT ee DL e Eeer pear eg EDD eT en ws oea areas ERR LEE oror KEEN rnae e ein ee oan a RTR TTT TTT ieee ee mower Ps ETT TTT nites we yee erecciones 30 TTT TEC TET TTT acosa AA ed TEE TT ceci UN PEI 20 pe Rl Ba eb peel L sare po or erase wasn a WK e ll LL nae ara E E ACACIA MM ol s 10 15 120 25 3 COLORS SHOWN INDICATE MEA INFUS 10 QUIPaT JOR LACH CAM SWITCH 358 ap 45 50 55 60 DRY 26 MIN Swi FUNCTIONS A B Fox Tx amsenmolo a IT Leen ws gt SES CG x j POTS amp PANS E OR SANI WASH Ee EE DE OS NN a ANS and RINSE 3 MIN and WASH 74 MIN gtd RINSE A MIN BURINSE A MIN 4th RINSE 5 MIN sant DELAY CR oppona rf age SOUS FIGURE 68 Most circuits pass through the selector switch The switch functions are shown at the lower left corner of the esterline chart A power loss at the input side of the timer may be caused by a defective selector switch Input and output terminals of the timer are easily determined by referring to the order of timer terminal markings at the Ester line charts left side The input color listed first and the output color listed last To completely understand the relationship between the wiring diagram and esterline chart refer to the following example and Figures69 and 70 Example Begin at the fill phase of the cycle when a normal wa
25. D WATER FILM A5 or 6 acidic solution such as vinegar will remove hard water film and may be used to determine its presence on glassware Place a small amount of vinegar in a bowl and allow filmed glassware to soak in the vinegar for 3 to 10 minutes Remove from vinegar rinse and blot dry H the film presen was due to hard water it will have been re moved The following home method may be used to remove hard water film from glassware and the dishwasher Allow dishwasher to fill for ihe main wash cycle place two cups vinegar in the water and allow machine to complete the entire cycle Do not place metalware plasticware silverware cutlery or Cetergent in dishwasher when performing thes film stripping process The Automatic Dishwasher The automatic dishwasher is blamed for many problems over which it exercises no control A properly functioning dishwasher properly loaded using the recommended amount of a good dishwasher detergent and having the speci fied water charge will do an excellent job of cleaning Some of the problems that do arise and are caused by conditions other than functional characteristics of tne dish washer are as follows 1 Sudsing You are familiar with the mountains of suds that result from using the wrong detergent in an automatic washer A similar problem in an automatic dishwasher can be caused by using improper detergents using solid jet dry a leaking wetting agent dispenser or excessively low or high water temp
26. Do It Yourse REPAIR MANI for Kenmore AUTOMATIC DISHWASHERS Easy to follow step by step repair procedures and illustrations Sold by Sears Roebuck and Co Chicago IL 60684 e EES SE E e a Er Sa KE E SC z SR EE E EE EE SE ae Eed We Service What We Sell Wherever you live you may be assured that there is a Sears Service Organization as near as your telephone The Technical Training Centers pictured are staffed by the finest most capable Technical Instructors we can find In turn the Technicians in your local Sears Service Organization have in all probability been trained in one of these schools If ever you need us we re available You Can Count On Us No part of this book may be reproduced without the written permission of Sears Roebuck and Co Copyright 1981 by Sears Roebuck and Co SS E En Sears PATIO ECKE EESEZ WHEN SEARS PEOPLE SAY WE SERVICE WHAT WE SELL THEY MEAN IT _When you get your appliance from Sears Roebuck and Co you get something nobody else can give you Sears service Many families who ve been around hate to buy even a toaster anywhere else Every month about 400 000 Americans change jobs and move to other towns or states Many more are transferred by their companies Families on the way up should be prepared for moves around the country One important way to prepare take a tip from the milit
27. HEATING ELEMENT Be Ze Co a LEAEN SYMBOL FIGURE 93 Heater Testing Connect the dishwasher electrically Remove the racks from the tub Advance the timer to the beginning of the Dry cycle If your dishwasher has a Power Miser Switch be sure it is in the Hot position Turn the dishwasher on and allow it to operate for about 3 minutes Partially open the dishwasher door The heating element should be glowing red around its circumference If the heating element does not show evidence of heating check voltage across the heater terminal If line voltage is read it shows electrical power is reaching the element and a defective element is indicated If voltage is not present check for an open circuit Refer to the schematic wiring diagram When installing a new element make certain the tub mounting holes are cleaned of any hardened gasket material Always use new gaskets when installing a heating element Remember to reconnect the ground wire to the heater sheath Hot Dry Cool Dry Power Miser Switch This feature gives the operator the option of a normal drying cycle with heat or the energy saving option of air drying dishes without heat 1 NON blower models Cool Dry selection will cause the heater circuit to open at the completion of the final pump out The timer motor will remain energized and will continue to run approximately 26 minutes to the Off position 3 Blower Model Cool dry selection will cause the h
28. OBLEM POSSIBLE CAUSE ACTION EE EE SOP a A Se i NE Hine ar a Wetting agent liquid 1 Wetting agent cup ribs not against 1 Same as in No 1 in previous won t eject door liner problem 2 Coil spring or C clip broken Solenoid type 3 Solenoid defective 4 Bimetal release detective et sre Hh en A EE EE EE E E ENEE EE EE EE EE Le Te A RP bh Hs Mgnt eae Wetting agent 1 Overfifling 1 Follow instructions in the Owner s dispenser leak Manual Bimetal release type 2 Bottle cracked 2 Replace 3 Detective seal on stopper 3 Replace stopper 4 Dishwasher not level 4 Level dishwasher st me weve i i eR NRT HAT ne rr Ail inhi rm an IN SARA U dae RY MARL PULA HO CER ts Qe Mn en emer AN MR HU I Pe eh en re A eech Water Leaks The source of a water leak is sometimes very difficult to locate Before operating the dishwasher or attempting any repair disconnect the dishwasher from the electrical power source Take off the door and access panel and look for water tracks Be sure to check all the tracks and inspect the area which you suspect to be the source of the leak Make certain you trace the water tracks back to its origin After making the repair wipe away all water tracks and test the machine again to verify your diagnosis and correction Identification of where the leak is located and what is causing the leak is the most difficult part of the problem In some cases there may be more than
29. R CIRCUIT HEATER WHITE FIGURE 95 83 d e Faucet Coupler Power Cor S Lo Drain Hose Y 3 Q D Q Ka pe 3 prm a a m 9 Seer Ge vA TEN TAAL Ze Ze A Gg Z WW A CG LN Se E Ew ce foe D gt d A SE DEEN t A eg a o eee Ay Am A el 1 HAD M Gr y de H i Y y V Detergent Dispenser Float Switch Rinse Agent Dispenser O spea aod sem were ene on e St 5J Blower Se i EC EK ae S a A Reg As e o Gel gee Water Inlet Motor we Inlet A FIGURE 96 84 I TROUBLE SHOOTING Genera Trouble Shooting neren Wes puns ster we ees our etme nah mr Sey rani thea mer Senet Same ow me i nt a ame CAUTION Always disconnect the dishwashers from the electrical power source before adjusting or replacing components PROBLEM POSSIBLE CAUSE ACTION nee mt nts er esi meron 5 7 om are Num er ee i be Gtr rt farm Yr sea een we lt re are vin mie Prec lk nn ABUT me Yr MAR EN Rr i REP ra a aa wae mae Dishes not clean meee veer en wr i ee en re eters St i i ei i eS ene nt ar lt n i r Dishwasher will not 1 No power to dishwasher F operate when tumed on 2 Open circuit between power source 2 and timer 3 Loose terminal connections at door 3 switch and or timer terminals Refer to introductory section at beginning of this manual E Net Me ote a A a rs a E Check electrical outlet or connection to junction box on built in Check wiring and or power cords Repair a
30. The float switch will shut the water off at the proper level The Timer controls the water charge on short fills and acts as a safety on full water charges 23 Water Inlet Valve Kit Undercounter 808668 Portable 808667 KITS INCLUDE 1 water valve 1 plastic retainer 1 metal washer 1 screen 4 flow washers 2 terminal insulators This kit is used for several applications Use the flow wash 1 sealer washer undercounter only er in this kit which will provide the correct flow rate for your dishwasher METAL WASHER FLOW WASHER PLASTIC RETAINER UNDERCOUNTER SCREEN Install parts in the order illustrated PORTABLE METAL WASHER FLOW WASHER PLASTIC RETAINER SCREEN CURVED SIDE CURVED SID SEALER WASHER IDENTIFICATION MARKINGS WATER FLOW Remove plug from valve discard Remove any foreign particles from valve install flat metal washer Choose correct flow washer fram the chart Th the flow washer Install the flow washer with should be against the flat metal washer ere are identification markings qn the flat side of identification markings facing you Curved side METAL WASHER a MM hh Koko NOTE Do not rely on original valve color only Compare dishwasher fill time and dishwasher width to make sure the correct flow washer is used Some models with 90 sec fill time use an abbreviated water fill 45 sec on certain cycles If the valve on the dishwasher is pin
31. WI CC AZ AA mii A ATMA HEH re en on evita SKIL MM seers a ny ion x Su deleng An y aaa maon EES ER ee TAL a en ce Een hwian HEATER Bo nasa ciao x SS Ge SE d ke SE E rel geen Sg m AL Zi oo EE On PHASE WASH o eee e Pm el ze iil UO pan TMi MEET Zb aieia SSES Ze z z z GER vave S leal d 12 2 e os 3 ei EN 213 own ei y ge a ORY j MEN sA a igj 23 s E E pe N tat Se ET IM SEE TOR Se A E E PE Se e EE Loes wast LR AA MI E pT FIGURE 71 66 wrote To determine if the timer is defective attach the voltmeter lead to point 3 shown in Figure 71 leaving the other voltmeter lead attached to the white or common terminal 120 Volts AC present at this point indicates that the timer is not defective No voltage at this point would indicate a defective timer NOTE Always be certain the timer is set to the portion of the cycle in question when making voltage checks Some segments of the cycle have a short duration and can be missed Continuity Check An alternate method of checking the timer is to disconnect the machine from the power source and make a continuity check This continuity check of timer switches may be made by disconnecting the lead from the timer terminals in question and connecting the leads from your ohmmeter across the timer switch For example if the motor will not start in the wash cycle disconnect power from the machine and remove the wire from the time
32. ading Load glassware and dishes between the supports so they are stable and cannot bump each other Soiled dishes heid 100 long in dishwasher Use RINSE E HOLD cycle for dishes that will be washed later Some hard object bottle cap measuring spoons etc may have fallen into the bottom of the tub Clean the pump A small amount of water will remain in the bottom of the tub after each cycle CLEANING MINERAL DEPOSITS FROM PORCELAIN SURFACES The following procedure is safe if the instructions are carefully followed Many complaints of porcelain deterioration have been traced to a surface discoloration due to the presence of iron manganese or calcium in the water supply In areas having a high mineral content in the water particularly iron discoloration or stains can usually be removed by the following method 1 O mm gt GA N Use water softener Resin Cleaner This compound is available from Sears Plumbing and Heating Department Pour 8 ounces of the compound into the bottom of the tub Fili the 2nd wash detergent cup with dishwasher detergent and close the cup Select a normal cycle must have 2 washes and 4 rinses Allow the dishwasher to complete alf washes and rinses It is not necessary to complete the dry cycle DO NOT piace dinnerware or silverware in the dishwasher during the cleaning operation CAUTION Because of the obnoxious odor of the cleaner in solution Do Not open the dishwasher door until the completion of the last
33. ain line too small 1 The drain line must never be under drain completely 1 2 inch inside diameter NOTE Approx 2 pints 2 Clogged coupler portable model 2 Visually inspect and clean of water will remain in the bottom of the tub 3 Drain line loop too far from dishwasher 3 Loop must be close to dishwasher which is a normal Water drains back into dishwasher Refer to installation instructions condition Long drain lines only ee ee ere hte yh Aun anes wm ne net ds PO LS TORO a A PRP Aas FT AAR I eI re te hte te A en em dar te Maan nu hm ry tr Wt WY en ty 88 ere se rrr i a A A DEE Ime Nl IIL ENEE EEN EE O be EE E He PITH rrr Mi i es em a Ur TNT TEE Ae Eh em 5 ACTION Clean out pump Inspect and correct Use Shim gauge furnished with impeller and seal kit When seals are shimmed correctly the impellers will be in correct position Remove all impeflers and test run motor Normal condition ae dais ahane mine SAA ANN et ee tA et AY AN URRY sa A TO RN pl PY RRP rp RN re ED tt RY rem rey i Hn A ARR RN ARAN Al Re Fr E E 1 2 Clean pump Disassemble and inspect seals Use installation tool No 803923 available through Sears parts department and center housing as outlined Loosen bolts and tighten evenly tighten crosswise tt saat HU Me at ns RA MRE ty Ar SS i eer yA AY A LPR eye PS iy O Sey i Re FY ets ram nn ri a rN AM me TTT PROBLEM POSSIBLE CAUSE Noisy Pump system 1 Debris in tub bot
34. and lift motor straight up into position beneath tub See Figure 39 Holding motor in position install two of the attach screws directly across from each other Remove guide pins and upper impeller and complete installation of all attach screws Removing Pump and Motor Assembly Manufactured in 1978 or Later The motor and pump assembly has been redesigned to allow removal through the inside of the tub It is important that the following procedure be used to remove and replace this assembly ds 2 3 4 5 6 7 8 Shut off electrical power to the dishwasher Remove access panel and toe plate Disconnect hoses from pump housing ports Disconnect motor electrical leads from terminal block and relay Remove the lower rack and lower spray arm Remove 6 pump mounting screws Some housings may have 10 screws Separate halves of clamping ring from pump housing access compartment See Figure 40 Pump and motor assembly can now be lifted out from inside the tub 40 GASKET 807709 GASKET 807710 CLAMPING RING 807712 PUMP HOUSING 8077141 FIGURE 40 L Replacing Pump and Motor Assembly Manufactured in 1978 or Later L 2 Replace 807710 gasket DO NOT try to re use original gasket Be sure ridges on gasket face downward Place pump and motor assembly in mounting hole in tub bottom Be sure ports on pump housing are adjacent te connecting ends of drain and recirculating hoses Join together the two halves of the c
35. ary who really have to move around the country Buy your appliances from Sears Suppose you live in Denver and you re moving to Bay Shore N Y As soon as you nd the moving van arrive all you have to do is call your Bay Shore Sears store and they ll schedule a technician to hook up your Sears appliances We service what we sell To back up this slogan Sears has thousands of service trucks logging millions of miles each year ls it worth it Ask anyone who s ever had to move a family around the country or around the corner Sears is nationwide For handy reference use this space for your nearest Sears Service Phone Number TABLE OF CONTENTS A Water Detergent and the Automatic Dishwasher o c ccccccccccsesesessnscenesenasrarsnsseins cenar iaa 3 B Installation teste tere a DA ee 7 A A RE EE ele Ee 7 2 EE C Wash GE iz ENEE Sak echt bal A ebe 16 3 Level GE 2 Level Compact Models we wees db Water Inlet Valve daa EE Side Water Infet Steam Trap Venting Ge dE Motor and Pump Assembly a Shaan tts ok Li Hoses and ae ers Dispenser Detergent S Wetting Agent ND OB wh ee De Electrical Comtrols A Mt Lat te ute EATE wise daaut onde E 49 1 Timers o E ep oe Sis San fs 2 Selector Switches dnd E E AREE E E AE TE 3 Thermostats and Temperature Indicators Gel i heh Geen Eege 4 Door and Float Sw tches nei a danesa BO E Wiring Diagrams and Ester line Charts 6
36. ation takes place 45 the high resistance of the meter Failure of the Bi Metal to operate can usually be traced to a poor connection faulty contact or an open lead The Bi Metal itself is a highly reliable component If the circuitry is found to be satisfactory the latching surfaces of FIGURE 48 Connecting a voltmeter in series with the Bi Metal as shown in Figure 48 will permit a quick check of the circuit If the circuit is good line voltage will be indicated when the timer is advanced to the Detergent Dispenser Inctement with the dishwasher connected to a power source The Bi Metal will not heat with the volimeter connected duc to the cam and trigger should be checked for roughness CAUTION Do not apply line voltage across the Bi Metal as this would destroy it The Bi Metal leaf is an integral part of the electric circuit H it becomes necessary Lo touch the leaf for any 1eason turn off the power to the dishwasher Although the Bi Metal is a low voltage component it is possible to have a 120 volt potential from ihe Bi Metal to ground when the Bi Metal circuit is open FIGURE 49 Ref No DONT URW NE Description Bi Metal Trigger Screw Screw Cam Roll Pin Cam Spring Cam Spring Cam Compression Nut Bracket Actuator Washer Bushing o Ring Shaft Cup Detergent Cover Cup 0 Ring D Wetting Agent Dispenser Bi Metal Operated A completely redesigned supply tank and a Bi Metal release mechani
37. atware from falling through basket Rack touch up gold vinyi Porcelain repair and sealant white silicone Tub cleaning white mineral residue from hard water use vinegar Tang citric acid crystals Lime Away or Glass Magic To remove suds in dishwasher when wrong type of detergent is used pour one cup of liquid cooking oil into tub and run dishwasher Relay transformer assembly for solid state models 78 B3 Red piastic pocket for solic state timer Wiring harness for solid state models Molex terminal for solid state harness Cleaner lubricant for solid state edge connectors Div 92 Source 192 Plastic wire ties Div 98 Source 980 Right hand terminal block black for timers 83 Left hand terminal block white for timers 83 Terminals for timer blocks 25 Terminals for timer connections outside of block 25 Pin type terminal for printed circuit board model 7034 Wiring for dishwasher application 25 ft lengths White 807307 Orange 807310 Black 807308 Blue 807311 Red 807309 Misc gasket kit for tub installation Baffle plate for 18 upper pump housing Universal pump seal kit for short shaft motor 1808300 Universal pump diffuser housing kit insulation for outside of undercounter tub Plastic display window for 24 models Plastic display window for 18 models Platinum Toast inserts for door access panels 24 Black White inserts for door access panels 124 Door gasket vent baffle kit 1969 Wat
38. ce of the glass has actually been destroyed and no amount of rubbing can restore the glassware to its original state A quick check for etching can be made by scratching the surface of the glass with a pin If the stain or spott ing white film can be removed the condition is an undesirable film but not etching Permanent etching of glassware can in no way be caused by the operation of the dishwasher The dishwasher can only be a contributor to the problem if it is not properly circulating the water charge Make sure the dishwasher is operating normally and there is an adequate supply volume of water to insure a good fill each time Check to be certain the water is circulating and the detergent is fresh There are several factors which cause or contribute to permanent etching staining 1 Extremely hot water 2 Excessive use of detergent for water condition 3 The water is soft 0 to 4 grains hard either naturally or thru a softener 4 Composition mineral makeup of water 5 Composition of the glasses themselves Softened water is more detrimental than naturally soft water We do not imply that the water softener be re moved There may be a definite need for a softener We can effectively control only two of the above factors water temperature and amount of detergent We recommend when etching is encountered that water temperature be set no higher than 140 and a reduction in the amount of detergent used consistent with good
39. ches on fill hose STEP 2 TOP STEP 4 SADDLE BRACKET STEP 3 CS HOSE amp POWER CORD POCKET DISCONNECT AT PUMP HOUSING STEP 5 DISCONNECT AT WATER VAIVE FIGURE 43 43 C Faucet Coupler The fill and drain hoses of a portable dishwasher terminate in a faucet coupler Most couplers are equipped with bleed valves to enable the operator to relieve the water pressure in the fill hose by depressing the valve button This prevents splashing when the coupler is disconnected D Coupler Repair Because of the high cost of replacing complete couplers and coupler hose assemblies couplers should be repaired whenever possible See Figure 44 and 45 for exploded views of 2 faucet couplers and pressure relief valves used in Sears dishwashers BOSSH4 Sleeve Gasket ee Colter e SPRING Spring SNAP RING Ce Deng Fung e BO6584 wl SLEEVE GASKET ex O Ring e e O Ring gt gt Spring Red Button 3 GID SC N Lex WRENCH Valve Button PRESSURE RELIEF VALVE BS Vaive Sram mm Ate o mee Eben Coupler Body PRESSURE RELIEF VALVE KIT FIGURE 44 FIGURE 45 The coupler body has a very long life In general it is aging and wear that causes the sleeve internal gasket collar and pressure relief to fail If the collar is worn the spring is weak or broken or ball bearings are missing order a Collar Repair Kit from Sears Repair Parts Department Have your model numbe
40. e disk type is calibrated for 150 and the tubular type is calibrated for 120 B Checking Thermostat Operation H the second wash or final rinse cycle is not delayed when a Sani Cycle has been selected despite a temperature of Jess than 130 F in the tub 1 Check for incorrect wiring use schematic 2 Check for a defective thermostat Contacts should be open when cold 3 Check for short in thermostat circuit 4 Check for too low a calibration of the thermostat Thermostat calibration may be determined by measuring the temperature of the water expelled from the machine following a thermostatic delay 31 If the second wash or final rinse phase is prolonged for an excessive amount of time causing the water to become hotter than necessary 1 Check for too high calibration Follow same procedure as outlined on the previous page 2 Check the thermostat circuit for correct wiring 3 Check to see that power is applied to one terminal of thermostat by the timer at the proper time A Check the heating element If 1 and 2 are satisfactory a faulty thermostat is indicated and should be replaced CAUTION Care should be taken when installing a replacement thermostat so as not to place any strain or pressure on the body of the thermostat Note that the thermostat is beid in position by a clamp on the wire leads Some Kenmore Dishwashers both portable and built in are equipped with sensing devices to indicate to the user the tempera
41. eater circuit to open as described for non blower models In models having blowers however the blower will continue to operate and circulate air within the dishwasher for 26 minutes The machine will then shut off Drying without heat will not be as effective as drying with heat Drying can be improved by unlatching the door at the completion of the cycle The Hot Dry Cool Dry feature is one that has been requested by the consumer Use of the cool dry feature will result in considerable reduction in the electrical energy required to operate the dishwasher 82 E Power Miser Circuits Single Pole Single Throw The heater is controlled by cam switch B 3 during the washes and rinses and by cam switch B 7 during the dry as shown in Figure 94 If the Power Miser switch is open the heater circuit is interrupted during the dry period SINGLE POLE SINGLE THROW a ORANGE BUS POWER MISER HEATER WHITE FIGURE 94 F Power Miser Circuits Single Pole Double Throw Switch Red cam switch When the Orange power miser connection is closed the r miser is closed to ORG BLUE washes and rinses only See The heat is controlled primarily by the Red cam switch energizes the heater whenever it is closed However if the powe the Red cam switch can only energize the heater when the motor circuit is closed Figure 95 A A cremate irene iss sna PORTION OF TIMER MISER TO MOTO
42. element is energized during all or part of the drying period MOISTURE LADEN AIR EXHAUSTED FIGURE 90 K Vis A Servicing the Blower Assembly The blower motor and blower wheel are mounted to a sub plate and this assembly can be easily removed as follows 1 Detach the leads to the blower motor 2 Remove one screw from the motor mounting plate Figure 91 19 WHEEL GASKET HOUSING SCREW fa ASSEMBLY MOTOR PLATE SCREW BLOWER PLATE BLOWER ASSEMBLY FIGURE 91 3 Move the assembly to the left and lift out The blower wheel is pressed onto the motor shaft and can be pried off carefully with a screwdriver placed between the motor mounting plate and the blower wheel When reinstalling the blower wheel to motor shaft maintain a 3 16 space between the back side of the blower wheel and the motor mounting plate B Checking Blower Operation The operation of the fan can be easily checked by setting the control to some portion of the dry period and observing blower operation H the blower motor fails to operate check as follows 1 Advance the timer to the Dry position 2 Check for voltage at the quick connect or terminal block 3 If voltage is present check leads to blower motor Replace motor if defective 4 If no voltage is present consult the wiring diagram and make the necessary checks to determine where the voltage loss occured In the event that the blower housing may have to be remo
43. en floor 24 above cabinet floor IMPORTANT THE DRAIN LOOP MUST BE FIXED AT A MINIMUM HEIGHT OF 32 INCHES BY USE OF A SUITABLE CLAMP OR SUPPORT ONE TYPE OF WHICH IS SHOWN BELOW Drain Hose Furnished Corner Support Bracket Furnished Kg KL Le Ob Y Branch Tailpiec fei Trap Por S a Entry MUST be 2 above trap p AN A L ege 32 pics SIN os SINK AT RIGHT 30 Top of Corner Support Bracket To Floor 2 Access Hole FIGURE 8 Route the hose from the dishwasher cabinet through the 2 access hole then behind the corner support to the drain and connect Be sure all bends are smooth and the hose is adequately supported The free end of the hose should extend into the dishwasher cabinet 20 if the hole is on the left side and 32 if the hole is on the right side Cut the hose to length being sure cut is square 13 Ait Gap Kit Available at Sears 1 Required by some local plumbing codes when connecting 10 a disposer 2 Required when connecting 10 a separate trap beneath the floor Corner Support Bracket Furnished e 1 EE st t Trap Por ou ie een ES To Separate Trap 1 Beneath Floor SINK AT RIGHT _ FIGURE 9 HOW TO POSITION ALIGN AND LEVEL YOUR DISHWASHER Space al sides FIGURE 10 Four Levelng SC Move your dishwasher as necessary Lo R WEEN 1 Align the front of the dishwasher as close as possible with the front of t
44. er in the motor run winding circuit as outlined in Figure 31 position A H your motor has a connector block meter must have a probe that can be inserted into the block ANY WHITE LE Ze am tie FO 4 START SWITCH gt BLUE YEL TY GC ger ps POSITION A VOLT METER RUN WINDING BLUE ORANGE TIMER ro TIMER BLUE RUN WINDING MAIN MOTOR REVERSIBLE 3H P 3450 RPM 115V 60C AC FIGURE 31 32 BLUE RUN WINDING hi ANY WHITE ve Big A POSITION BR VOLT METER RUN WINDING a BLUE ORANG TO TIMER 10668598999 a MERA E MAIN MOTOR REVERSIBLE Jos HP 3450 RPM 115V GOHZ AC FIGURE 32 Restart the dishwasher Voltage at Position A indicates voltage to motor run winding If the motor does not hum attempt to start the run winding is probably open A continuity check power off and coupler separated between the blue and white motor lead should indicate low resistance If an open circuit is indicated replace the motor If no voltage at A Figure 31 then check for voltage at the output side of timer as shown in Figure 32 Position B Continuous voltage at BLU ORG terminal indicates that timer switch is OK and the trouble is in the start relay wiring or wiring connections If there is no voltage at the BLU ORG terminal check for voltage at the input side of timer Refer to wiring diagram for the correct timer terminal 1f power is found at the inp
45. er than our own Service Technicians Replacement of the dishwasher tub should be performed only by a qualified technician It is recommended that you contact your nearest Service Department for this service As a safety precaution ALWAYS disconnect electrical power from the dishwasher before attempting to make any repairs A WATER DETERGENT AND THE AUTOMATIC DISHWASHER Water Water is a primary ingredient in determining automatic dishwashing results The minerals in water when in sufficient quantity will cause spotting filming and the possible discoloration of some metals The minerals which account for the greatest difficulty are calcium and magnesium These minerals determine the hardness of the water The definition of hard water varies somewhat However most authorities agree with the following scale Q to 4 grains hardness per gallon soft water 4 to 8 grains hardness per gallon medium water 8 to 12 grains hardness per gallon hard water over 12 grains hardness per gallon very hard water Automatic dishwashing results are visibly affected when calcium and magnesium are present in a concentration of eight grains per gallon or more As their concentration increases the problems of spotting and filming can increase proportionately When spotting and filming are caused by hard water conditions they will normally be evident on glassware and table ware silverware within a short period of time Over a longer period of time hard wa
46. er valve kit undercounter Water valve kit portable Main motor 1987 Complete pump motor assembly 1978 through tub installation 806853 806863 806565 807042 808540 807000 805898 807253 808803 806957 807509 purchase locally 808111 808758 808018 808000 Top 8 510374058 Yelow Pink 808231 808232 808333 808334 808660 807312 807313 808657 808380 808722 806978 30844 1 808459 808474 808755 808804 808070 808668 808667 806300 808073 Check with your local Sears service center for availability and application of these and other parts for your specific model 32 DIV 22 SOURCE 587 Part No 808353
47. erature A complaint of poor cleaning of dishware may accompany this problem Sudsing leaks in a dishwasher will usually occur at the door gasket or the blower housing On hard to find leaks suspect sudsing and check the following Use a fresh detergent made especially for automatic dishwashing Such detergents are labeled on each container for automatic or electric dishwashing When in doubt consult the Owner s Manual it contains the recommended detergents or use recognizable major brands Water temperature recommended on most detergent packages is 140 H water temperature is extremely low 120 or extremely high 180 then sudsing will surely occur For best results from detergent and wetting agent liquid water temperature should be between 140 150 F Solid jet dry should be avoided except if you should choose to place the jet dry in dishwasher for the final rinse only Hand pre washing of dishware with Joy or other such dishwashing liquids or soaps prior to loading can Cause ex cessive sudsing since this fiquid may not be thoroughly rinsed away and when agitated in the dishwasher can cause sudsing A malfunctioning of the wetting agent dispenser mechanism which would allow excessive amounts of liquid jet dry to be released in the rinse or wash may also cause excessive sudsing Each injection of wetting agent liquid should be approximately 8ce 2 Etching Etching of glassware is the result of soft glass and an alkaline compound The surfa
48. erature is required because of the severe drop in water temperature as water enters a cold steel tub gt and the fact that it must heat up the tub interior and its contents before it can be expected to maintain the inlet water temperature For example if water ai the tap measures 140 degrees upon entrance into a cold dishwasher this water temperature will drop to approximately 115 degrees or less depending on the size of the load and the kind of dishware in the load See Figure 62 As you can readily see this would give only minimal warm water in the first wash 1o activate the detergent The hotter the water is on the first fill the quicker you will heat the tub and contents and the better you will maintain the heat Long water runs hot water pipes that pass through concrete slabs and craw spaces will tend to cool the water between fills Undercounter units that have an outside wall across the side or back tend to keep the tub cool Therefore always make yourself aware of all the conditions that can affect water temperature in your home Also remember that any test involving thermostats and sensing devices must be done with all panel and components in place throughout the testing Water Heat Option 130 140 Some models produced beginning in 1982 have a water heat option controlled by a 180 140 tubular type thermo stat These models delay in the 2nd rinse 2nd wash and final rinse if the thermostat is not satisfied Hot Rinse Option 15
49. fill 5 Check the float to be sure it is not stuck lt must move freely 64 COLOR COPE Bn to o Ba iD a ota GY Oo To tm Gros D TO rn OTD Pa Dn COLORS Super Sa art RAER ET 10 ttyl 167 Pace CAM GARTH FUNCTION POWER BUS 1 POWER BUS 2 RINDE DELAY WASH DELAY BYPASS TIMER MOTOR RINSE INJECTOR BYPASS SWIER HO BYPASS BLOWER TIME UN MINUTES 5 10 IA 15 20 25 30 e TOTO j E A ST II UE JU DA JA 0 DE GR GD RER HE RER SKS sH 3 y 4 PO CS CIO 200 9020 UA DE COOL eege DC IE 3 50 55 60 iii Sollt EES HAT oh A ET e annas EE EEN SES oe DEE OHIO ET A ove sua woro power 20 PAEA BIC id fam SLN escher o oean ew e el et E Buy Joun Minnsta aa LT mL ilo Wl es D 5 10 18 20 25 30 35 40 45 50 55 60 z Ek P Fa h E E DRY 26 MIN SE ele 5 leis a z 4 Z Y lt 2181 gt a 2 EN lt E D VK w A D G RG Za ZS Crh hormat WASH EE saN picar E FIGURE 70 DPTO MIA KA 65 FIRST WASH NORMAL CYCLE E i ar D E eng 1 H ER Dr d E 2 A A g DI Co B Hi 12 eil b d a EY E Sta IE dor ER UMEK ADORA M FLOAT Swit watt valve ar s AKA BLOWER en Bn Q WAND O THE Grat DELAY g e o 413 RINGE o ACL TOR KM BT vetze reg y p nut y o tem acne aL RELAY SWITCH OPENS AFTER MOTOR STARTS DETERGENT CUP Write COLORS Srs pts ate TIMER
50. he cabinets 2 Make the space between the dishwasher and the adjoining cabinets the same on each side and the same width top to bottom Use the stubby screwdriver or 7 32 socket to adjust the leveling screws They must be set firmly against the floor 14 TWO WAYS TO ANCHOR YOUR DISHWASHER Anchoring Countertop Mounting Brackets H E Flor anchoring g with A lag screws Un Toe plate assembly FIGURE 11 You MUST anchor your dishwasher to keep it from tilting when the door is opened or closed Countertop Anchoring L Hf the countertop mounting bracket flange is longer than you need mark it remove it and saw off the unneeded part 2 Adjust leveling screws if necessary so that the mounting brackets touch the underside of countertop 3 Screw the mounting bracket firmly to the countertop 4 Open and close the dishwasher door There should be no interference or scratching as it moves Floor Anchoring Difficult procedure Use only where the countertop bracket cannot be used 1 Use 1 4 lag screws through the holes provided as illustrated 2 Use expansion fasteners if the floor is concrete After the anchoring is completed replace the toe plate assembly You will notice that the vertical height of the toe plate is adjustable to fit neatly against your floor or floor covering INCREASE DECREASE SPRING TENSION ADJUSTMENT La g WW wt PLATE ADJUSTMENT SCREWS FIGURE 12 15 C WASH SYSTEM
51. ht side of the diagram and is known as the neutral side of the electrical system Note that this line connects directly 10 one side of each electrical component of the dishwasher without any controlling switch os wg 2 v 13 mM 12 d CVCLE SELECTOR SWITCH TIMER MOTOR D FLOAT Beiter WATER VALVE EE 24 BLOWER PR pr o e DELAY LIGHT o o 32 HEATER e RINSE IA OC TOR DETERGENT CUP POWER Meg tr susto WHITE SOTA itt If i f A FIGURE 67 61 The line shown as BK extends to the left and is known as the hot side of the electrical system lt provides a circuit to the door switch and ultimately 10 all electrically operated components through the timer switches You will note that dashed lines enclose the timer cycle selector and door switches This is to indicate that these switches are inside the component structure Ester Line Charts To use the wiring diagram in diagnosis it is very important that you understand the Ester line charts This chart as shown in Figure 68 is used to determine when and for how long a particular circuit or circuits are energized The heavy shaded bars represent the period of time the internal switches of the timer are closed a TIME HN MINUTES COLOR CODE FUNCTION SIE 5 10 15 20 25 30 35 40 45 50 55 60 o 0 By too A TOTAL TOU BK TO O POWER
52. icated cam This cam was designed to control one or possibly two switch arms that have dual contacts You will note that this cam has raised cut out and neutral portions The raised portions force the cam switch arm against the outer contact and the cut out portions allow the cam switch arm to make contact with its inner contact Both contacts are open when the cam follower is on the neutral section of ihe cam OUTER SWITCH ARM CONTACT CAM NEUTRAL FOLLOWER SECTION gt INNER CAM CONTACT INNER CONTACT CUT OUE RAISED PORTION CAN FOLLOWER OUTER CONTACT SWITCH ARM FIGURE 56 49 Selector Switches A selector switch on an automatic dishwasher gives the customer the option of choosing the type of wash besi suited to the dish load and type of soil Some economy models have this selection built into the timer The most common type of cycle selector however employs a push button switch which bypasses unwanied portions of a cycle The pushbutton switch mechanism although appearing complex because of its many terminals can be rather simple to trouble shoot Always refer to the Cycle Selection Switch Functions Chart which is printed with the wiring diagram and follow the procedure outlined in the following example A Checking The 5 Button Switch 1 2 3 Disconnect dishwasher from electrical power Detach control panel from inner door panel Disconnect leads from the switch and connect leads of ohmmeter to terminals on
53. ists of an upper and lower part It attaches directly to the main motor and the tub The upper housing directs water from the upper impeller into the spray arm 2 Shaft Seal Provides a water tight seal which prevents water from leaking from he pump housing at the motor shaft The seal consists of two parts The rubber mounted carbon seal is seated into the pump housing and the rubber mounted ceramic seal fits into the lower impelier 29 A Main Motor and Relay Most of the dishwashers use 3450 RPM 120V 60 Hz reversible type motor to drive the pump impellers These motors utilize an external start relay and have two start or phase windings a main or run winding and a buil in overload protector Direction of rotation of the armature or rotor is determined by the start winding selected through the timer switch contacts See Figure 28 neg me a e e CONE HE wt FIGURE 28 The relay is normally open with its coil connected in series with the main winding of the motor and its switch con tacts connected in series with the motor start winding Since the relay is a gravity type device it must be mounted in an upright position See Figure 29 BOTTOM OF RELAY FIGURE 29 When voltage is applied to the motor as during the wash rinse and drain periods of the dishwashing cycle the momentary high current to the main winding energizes the relay solenoid The solenoid plunger is lifted closing the switch contacts The start winding is energized
54. k it is a replacement valve Use the same flow washer as in the valve Refer to dishwasher width vs fill time to make sure it is the correct flow washer 24 A Install plastic retainer into valve with center protrusion facing you Push until it snaps into the groove cut into the body of the valve 5 Press screen into valve being careful not to crush or change the shape of the screen This is important to keep dirt particles out of the valve that will cause it to malfunction 6 The solenoid and bracket on this valve may have to be rotated in relation to the valve body to match the original valve as illustrated You need only to take three of the four screws out to rotate the solenoid and bracket 7 Install the sealing washer on undercounter valves 8 Mount the valve to the bracket or frame of the dishwasher 9 Recheck selection of flow washer by operating dishwasher through the fill phase Make sure fill time is correct for the flow washer you have selected 25 Side Water Inlet Steam Trap and Venting The side water inlet shown in Figure 25A provides an effective steam trap at all times and eliminates vapor escape during any phase of the dishwashing operation The vapor is blocked from escaping by the water trapped in the bottom of the side water inlet The side water inlet assembly fits into a bracket on the side of the tub The plastic nut secures the assembly to the tub Removal of the nut from inside the tub allows the inlet u
55. lamping ring on the pump housing Make sure the locating pins in the clamping ring halves are inserted in the holes in the pump housing The joined ring will stay in position on the pump housing when it is properly assembled Install the pump mounting screws IMPORTANT Install one screw on each side of the ring FIRST See Figure 41 Attach hoses to pump housing ports Secure clamps with clamp screw on underside of hose Connect motor leads disconnected in Step 4 in Removing Pump and Motor Assembly Replace lower spray arm lower rack toe plate and access panel INSTALL THESE SCREWS FIRST FIGURE 41 41 Hoses and Couplers A Front Opening Portables Proper routing of hoses for Front Opening Portables is shown in Figure 42 Tub removal is not required to perform N HOSE SADDLE the following operations FIGURE 42 NOTE Tub is removed only to show location and routing of hoses To replace the Fill Hose Gy Sp se i er Lay unit on its back Disconnect inlet hose at inlet valve Stand upright remove top Detach saddle hose clamp Pull inlet hose up and out of cabinet Disconnect inlet hose from coupler Reinstall new inlet hose in reverse of the above Be certain routing is proper and that there are no twists or kinks in the hose Check hose connections for leaks and test movement of hose in and out of cabinet NOTE On some models beth the fill hose and drain hose are permanently attached
56. loat and timer switch will nor protect against a mechanical failure of the valve To satisfactorily clean dishes the 24 dishwasher must have a water charge of 8 to 11 quarts The 18 models require 6 5 to 8 quarts H poor washability is experienced be certain to check for the correct water charge 16 NORMAL CHARGE FLOAT SWITCH FIGURE 14 2 Testing Water Charge Level To check for proper water level pour the minimum charge of 8 quarts of water into the tub and make a reference mark with a grease pencil or crayon at the edge of the waterline Then pour in an additional 1 quarts of water to make the maximum charge and make another reference line at the edge of the water line Set the timer to a portion of the operating cycle for drain and allow the drain pump to pump out the water Allow the time to ad vance into a fill period of the operating cycle and allow the normal amount of water to fill the tub After the water inlet vale has shut off compare the edge of the water line with the reference marks made above The water charge must be between the two lines Remove the marks after completing this test The water level should cover the heating element 17 O 3 Fy i p A SA Bal y TER Ur Ww PS 3 Spray Arm Assembly The spray arm is mounted to the upper pump housing Water from the sump is pumped through the upper pump housing where it is directed to the spray arm The water is di
57. matically 1 Cycle changer button stuck down 1 Release button or replace switch rapid advances through Models prior to 1972 entire cycle Dishwasher will not fill 1 No water supply to dishwasher 1 Check tine valve to dishwasher with water no water comes in 2 Open circuit between timer terminal 2 Refer to wiring diagram and check and fill valve circuit Tor power loss 3 Fill valve defective 3 Replace fill valve 4 Open circuit in float switch 4 Check operation of float Check float switch 5 Open timer contact 5 Refer to wiring diagram Check voltage a a nc ne nem en ee re NEEN wt ane et en cp eh a i th a e Fill time is correct 1 Low water pressure 1 Minimum water pressure is 20 P S 1 Approx 1 min but machine has insufficient 2 Clogged filter screen in fill valve 2 Remove and clean filter screen water charge correct charge is 9 10 10 3 Hot water supply line too small 3 Referto Installation for recommended quarts 7 to 9 quarts kinked and or restricted requirements and routing for compact dishwasher d Reduced flow to dishwasher due to 4 Use dishwasher when water draw at heavy draw at another location in home other locations is at a minimum Bath Washer etc 1 Float switch interrupts the timer 1 Check float switch Fill time is short controlled fill time resulting in a short water charge SE NOTE Some models 2 Timer contacts for fill valve are not 2 Refer to wiring diagram Ester fine chart
58. more than 20 amps GROUNDING INSTRUCTIONS This appliance must be connected to a grounded metal permanent wiring system or an equipment grounding conductor must be run with the circuit conductors and connected to the equipment grounding terminal A green ground screw terminal is provided in the junction box Connecting the circuit conductor ground along with the molded receptacle green pigtail automatically grounds the dishwasher install the wiring routing it within the zones shown in Figure 5 Do not run it across in front of the motor Connect the circuit black 10 the machine black and circuit white to the machine white using wire nuis H house wiring is aluminum a UL or CSA listed antioxidant compound must be used with listed aluminum to copper conneciors Connect the circuit conductor ground wire under the green ground screw Refer to Figure 6 Replace the junction box cover a eee CONDUCTOR GROUND WIRE nano meme emm FT f a rm bell meng tomes PTT e SC SE GREEN GROUND SCREW FIGURE 6 11 WATER SUPPLY Plumbing must comply with local codes It is recommended that a shut off valve be installed in the line from the supply to the dishwasher The water supply must be able to supply a minimum of 9 quarts in one minute Route the line as shown in Figure 7 Refer 10 Figure 5 for permissible routing areas Do not run it across in front of the motor Piping must not be kinked The connection to the valve is made with a 3 8 male
59. n the bottom with this vent baffle Most models use this tub gasket vent baffle kit for service replacement 14 Cord Reel The power cord reel bracket is attached to the side of the cabinet or to the bottom channel See Figure amp 5 for a detailed view of this mechanism Washer Spring Retaining Wires A Replacement Spring Shaft amp Bracket Spring Retoiner Place Replacement Spring in Position Shown FIGURE 85 A Power Cord and or Reel Replacement for Front Opening Portables SOME MODELS FIGURE 86 NOTE Tub Is Removed Only To Show Location Of Power Cord Reel And Cord Housing 1 Remove the entire top assembly only and set aside 2 Remove top screws that secure housing and hose guard to cabinet See Figure 86 Lift both pieces up and out from between tub and cabinet Allow cord to retract or fall to bottom Lay dishwasher on its back 15 3 Remove power cord reel attach screws exposed on left side of cabinet 4 Install the replacement power cord reel Wind the reel and cord clockwise 10 achieve the amount of reel wind up needed Coil spring should recoil the power cord completely when the cord is fully extended Temporarily secure the power cord plug to the back side of cabinet and reassemble cord housing and hose guard Hose guard must be reinstalled 5 Replace the top assembly Casters A Caster Replacement Portable Dishwashers Use the following procedure to repair a damaged caster socket Obtain a caster
60. nals of the solenoid in any fill phase of the operating cycle where the water inlet valve should be energized lf the meter indicates line voltage water should flow into the tub H water does not flow into the tub either the water inlet valve is defective or the water supply is inadequate Make certain the hot water faucet is fully on H the water supply is not at fault the water inlet valve is defective CL Senacing To Clean Operating Parts of the Valve 1 Remove valve bracket from tub or installation module Remove 4 screws holding solenoid valve body and bracket together Remove the plunger housing spring and plunger _ Check the parts for defects dirt particles or for formation of lime o da G N Check to make sure the tiny bleed holes in the diaphragm are not clogged See Figure 24 Clean bleed holes if necessary using a pin or needle BLEED HOLES FIGURE 24 6 Clean the screen mesh of any rust particles Use running water to remove any large particles then complete the job by blowing screen clear The screen mesh must be absolutely clean and free of any damage 7 Check flow washer for wear or damage When reinstalling the flow washer position it in the valve so that the markings on the washer face the incoming flow of water NOTE The Timer Controls the Operation of the Water Inlet Valve and therefore the amount of water entering the machine The Valve should be energized for 45 to 90 seconds depending on model and cycle selected
61. nate circu circuit is shown with the solid line The dashed line indicates the delay light circuit The t with the hot rinse option off When the water heat thermostat is closed the timer continues to advance and the delay light goes out ee CENT ADRAD al KS W iee g g D LI I d 200 0 SS i p bura On b ee 3 H ser HE or oe ELO y H w PERN 5D LL MAPD ADVANCE wore 30 09 bg EI TES JACK eros t Kat EIgk j ue AA y weert Maria valet SEDAN ert ne ero 00200 A i PA EET O Y x tO Teese HOT baut maugrat q it wre e 7 we EH TI Fire ENEE 2 5 mr bw E EE bb SEN ein af Ka i 1 I v n A a H Go e Pre WATER RBAI Og G T aer turneos e H op cepa Yo Date to H 1 Reen z pnan yam EE om ma emmener a e aaa a T ran Cr 60 3 1 j artior LP f nttrrmk DG ptr agrkt Eur WS H Rey HIGH LIMIT Iesel THERMOSTAT eaten MOTOR STAAT FIGURE 63B 56 In figure 63C the hot rinse circuit is shown by a solid line The dashed line indicates the delay light circuit The delay light glows and the timer is stalled until the hot rinse thermostat closes z E EK E I uE ri E su IR e ECH E H Ge i KA 1 te H ji ra ns l ak i oy over Un ie i f uutenen DU A 0 ay S o ri LA Sa i gt H o st pS is j i i E o gt I d cS E op i i ER i Gm bg egne Ze Eet Jo o
62. ng shims behind the door strike Caution Addition of shims on a new dishwasher to make latching easier may result in a leak after the gasket has taken a ee Bending of the door latch usually results from atlempting to latch the door before it is fully closed Spring tension is set at the factory for the standard dishwasher door Too much tension will not allow the door to remain in the fully opened position Too little tension will cause the door to fall open when the latch is released Spring tension may require adjustment if a wood or metal inserts are added or removed in the door See Figure 72 Tension Decreased 3e Plywood Ponel A Plywood Panel Ge ishwosher Prefinished Steel Front Insert Panel Tension Increased Stondord Setting FIGURE 72 A One Prece Outer Door Control Panel On some dishwashers the outer door panel and control panel have been combined to form one common pari that is removable from the inner door without need for disconnecting wires This leaves the dishwasher entirely operable To gain entry to the area behind this piece housing the timer selector switch injectors door switch thermostat eit proceed as follows and refer to Figure 73 Disconnect power supply 10 dishwasher 2 Remove the latch knob atiachment screw 3 Lower open the complete door assembly and remove the six 6 screws attaching the outer door control panel to the inner porcelain door NOTE This step should be done using clamps or
63. nit to be easily removed from the bottom of the dishwasher SIDE WATER INLET FIGURE 25A The water inlet assembly shown in Figure 25B combines the fill and blower opening in the tub On models without forced air drying the lower portion of the housing and blower motor is not installed 26 e Sech SS VENT GRILLE OUTER DOOR PANEL INNER DOOR EXIT FLOW OF MOIST AIR j 8 DURING DRY CYCLE AA TRIM STRIP eces PANEL FIGURE 26 Venting takes place between the door and access panel as shown in Figure 26 Exception Forced Air Models described in the section of this manual which covers the drying system Motor and Pump Assembly NUT EE cl PUMP HOUSING M D UPPER IMPELLER J LU lt MACERATOR BLADE CE A BL YA Y E IMPELLER SHROUD PUMP HOUSING AS NS LOWER DID oo Ce a IMPELLER LOWER SAVAGE S255 Ss SLINGER gt MEE SEAL gt AAA MOTOR AND PUMP ASSEMBLY ASSEMBLED FIGURE 27 21 MACERATOR BLADE 5 SPACER PLATE PUMP GASKET So D RING co L WER IMPELLER 3 SHIMS PUMP GASKET 1 PUMP HOUSING NUT LOWER WASHER de PUMP HOUSING Hi UPPER SCREW y PLATE TE 3 P 18 MODELS es tur ET L t 0 N LY fait TANT Se SEH lei FAN SLINGER FIGURE 30A B Pump Assembly The pump assembly consists of the following components Refer to Figure30A 1 Pump housing or casting which cons
64. not occur Important Do not route plumbing or wiring in front of the motor or dishwasher support channels CUTTING ACCESS HOLES Access holes in the cabinet sides or floor should be located within ihe zones shown in Figure 5 The hole for the drain line should be 2 diameter minimum The two holes for the electrical and plumbing lines should be 1 diameter minimum Keep the electrical and plumbing lines separated Y Diameter Holes in shaded area for electrical and water supply 2 Diameter for drain hose NOTE Route water pipe drain hose and electrical wire within shaded area inside cabinet y FIGURE 5 INLET VALVE JUNCTION BOX ASSEMBLY Locate the valve and junction box assembly as shown in Figure 6 using the template supplied Attach the assembly to the floor through the two holes near the junction box If unable to attach the assembly to the floor locate according to the template connect water and electrical as described below then connect the assembly to the side base of the machine with the bracket provided after the machine is in the cabinet WARNING IT IS ESSENTIAL THAT THE ASSEMBLY BE LOCATED CORRECTLY TO MAINTAIN ELECTRICAL CLEARANCES AND PREVENT DAMAGE DURING DISHWASHER INSTALLATION 10 ELECTRICAL All wiring must be in accordance with electrical codes The dishwasher operates on 115 volt 60 cycle power Pro vide a separate circuit with a fuse or circuit breaker rated for at least 15 amps Du not
65. nt cup and it is checked in the same manner A volimeter may be used in series with the Bi Metal see Figure 53 to check for an open circuit condition Reference should be made to the proper schematic wiring diagram to locate such a condition FIGURE 53 CAUTION Do not apply line voltage across the Bi Metal as this would destroy it A voltmeter across the Bi Metal terminal will indicate approximately one volt if operation is correct but a poor connection at the Bi Metal terminal could show line voltage Leaking Wetting Agent Dispenser Bi Metal Type Overfilling the wetting agent dispenser can cause the liquid to be forced past the plunger when the plug is replaced This liquid will run down the door between the door and outer panel and may drip to the floor Make sure that the door of the dishwasher does not open past the horizontal position This may cause the wetting agent to leak out This can be corrected by raising the front levelers slightly on undercounter models 48 Timers D ELECTRICAL CONTROLS A Timer Operation The timer is the central contro point of the electrical components All timers used on Kenmore Dishwashers are similar in operation and design The only difference is in complexity due to the variation in function and features of the various models MOTOR FIGURE 54 All electromechanica timers consists of two basic components a motor and cam switches assembled into one unit Figure 54 To fully unders
66. of drying the air near the energized heating element hot dry option only becomes hot and rises The cooler air falls 10 the bottom of the tub where it is heated and rises As the rising warm air passes over the wet dinnerware it is cooled and falls once again to the bottom of the tub A natural convection current is thus esta blished See Figure 89 FIGURE 89 Some of the moist hot air will escape trom the dishwasher through the vents This air is replaced by cooler drier air and the drying process continues it the Cool Dry option is selected with the convection method improved drying results can be obtained if the door is unlatched after the final drain phase Allow the dishes to cool before removing them from the dishwasher lf the dishwasher is cycled in the evening and is left closed overnight moisture may recondense on the dishes Leaving the door open for a few minutes will dissipate this moisture 78 Forced Air Method Some dishwashers are equipped with a blower The blower assembly is located at the right rear bottom of the tub Figure 90 and circulates ambient air through the tub cavity during the dry cycle This circulated air is drawn in through the vent in the door panel across the dinnerware and into the blower housing where it is mixed with cool dry air before it is exhausted beneath the machine Some machines are equipped with a Hot Dry Coo Dry or power miser switch If Hot Dry is selected the heating
67. om pletion of the cycle gt SE CAUTION Be sure to remove plug from disposer inlet before attaching drain hose DRAIN HOSE CONNECTED TO DISPOSER OR Y BRANCH 2 HOLE OR LARGER SINK AT LEFT FIGURE 2 IMPORTANT After positioning under the counter the front leveling legs should be raised slightly higher than the rear legs DRAIN HOSE CONNECTION TO SINK DRAIN y 2 1D COPPER TUBING DRAIN HOSE MUST BE HIGHER N THAN DISHWASHER e SS ris NT TT Kam Le Y BRANCH iH TAILPIECE era SS b P DQ em SS y ps SINK AT RIGHT FIGURE 3 Sears Y Branch Tailpiece and Connector Kit No E makes this connection easy It includes all necessary fittings and complete instructions DRAIN HOSE CONNECTION THROUGH FLOOR AIR GAP KIT AVAILABLE AT SEARS a ben zm oe p rm re 2 OR LARGER HOLE koee LEFTHAND SUPPORT ANGLE RIGHTHAND SUPPORT ANGLE FIGURE 4 If the dishwasher drain hose is routed through the floor to a separate trap the trap must be vented to prevent siphoning To provide proper venting install an Air Gap Kit available at Sears in the countertop Route drain hose up to the inlet side of the Air Gap Continue drain line from outlet side of Air Gap down through floor to separate trap Models Equipped With Installation Module PLANNING Determine the routing for the water supply electrical wiring and drain line before proceeding with the actual in stallation so that space conflicts do
68. or articles in the upper rack See Figure 17 A amp B UPPER SPHAY ARM SPRAY TUBE Y ADAPTOR E e aD IS WE 1e IECH FIGURE I7A FIGURE 178 The water for the system in 17A is bled off from the middle wash system by means of a Y adapter in the main supply tube and a branching L shaped supply tube from that point to the top center of the tub In 178 the top spray arm is supplied directly from the pump by means of an external supply tube The tower in the center of the lower spray arm telescopes upward washing the underside of the upper rack To remove the tower unscrew the lower section of the tower counterclockwise 19 A Removal of Middle Spray Arm 1 Remove stainless steel cotter pin in lower end of plastic spray arm spindle underneath the black plastic supply arm 2 The spray arm and spindle can now be lifted off the supply arm B Removal of Upper Spray Arm Only 1 From below in tub remove two screws which hold spray arm and bearing assembly 10 plastic distributor See Figure 18 2 The assembly will then drop loose Hi it is desired to remove the arm from the bearna assembly the two screws that hold them together are now accessible i TE In Mid 1980 the design of the third spray arm was changed The spray arm is removed by removing the center mounting screw See Figure 19 SPRAY ARM WASHER e a SCREW FIGURE 18 Two Level Compact Models FIGURE 19 The top spray arm water
69. pipe thread right angle adapter Assemble the adapter to the valve using pipe compound or teflon tape with a wrench on the adapter and a wrench over the metal bracket enclosing the fitting on the valve If solder connections are used use care to see that valve isnot overheated CAUTION Overheating will damage the valve Clean all foreign material from the pipe and threads before making final cannections IMPORTANT TURN ON THE WATER SUPPLY AND CHECK ALL PLUMBING AND DISHWASHER CONNECTIONS FOR WATER LEAKS WARNING Do not leave line pressure to the water valve in freezing temperatures during construction remodeling etc Do not use the drain hose supplied with the dishwasher nee the water supply line li is not a reinforced hose and will burst under water line pressure CAUTION To prevent damage to valve apply wrench to hex on valve metal bracket and hold securely while installing right angle adapter SUPPLY NG N GREEN GROUND SCREW hi ALTERNATE HOT WATER e ENTRY SHOWN BY ad DOTTED ik HOT WATER LINE MOLDED RECEPTACL ae RIGHT ANGLE ADAPTER S e MALE PIPE THREAD FIGURE 12 DRAIN Referring to Figures B and 9 install the drain connection parts Y branch tail piece disposer adapter air gap etc in the location selected Install the drain hose corner support in the corner of the cabinet next to the dishwasher directly above the 2 access hole The top of the support should be 30 above the kitch
70. r s BU BK terminal Figure 71 Connect one ohmmeter lead to BU BK and the other to BU Y With the timer knob rotated to the wash phase of the cycle the ohmmeter should register continuity or no resistance If the timer switch is defective the meter will indicate an open circuit or infinite resistance All timer switches may be checked in the same manner by referring to the Ester line chart and wiring diagram and connectng the ohmmeter leads to the correct combination of terminals NOTE Correct interpretation of the meter reading is important A continuity check of a switch should indicate no resistance A resistance reading of other than zero or infinity could be the result of damaged or burnt contacts which would reduce power to the component Do not make a continuity check with an ohmmeter when the machine is connected to a live electrical circuit Damage to the meter will result Other electrical components in the dishwasher may be checked in the same manner Some resistance will be noted when checking motors coils and heating elements 67 F MECHANICAL SYSTEM Door Assemblies The door should never require adjustment Misalignment between the door and cabinet on built in machines is usually a result of improper positioning of the attach brackets to the counter top Reposition the brackets to align the door to the tub A slight adjustment 10 increase or decrease gasket pressure between the door and tub may be made by removing or installi
71. r available when purchasing repair parts if the pressure relief valve is not sealing leaking thru bleed hole obtain a Pressure Relief Kit from Sears You must have your model number in order to obtain the correct kit The 2 pressure relief valves used in Sears dishwashers are shown in Figures 44 and 45 If water is coming up around the faucet snap adapter replace Sleeve Gasket 806584 44 FIGURE 47 Dispensers A Detergent Dispenser Bi Metal Operated The Bi Metal trigger used to release the detergent cup locking cam is made of two different metals which are bonded together The expansion rates of these metals are considerably different The trigger bends when heated and releases the locking cam See Figures 46 and 47 The Bi Metal trigger is a low voltage device It is placed in series with the dishwasher heating element Current fiowing through the heating element is directed by the timer through the trigger mechanism either during or immediately after the fill period for the second wash The current heats the trigger and the cam is released Several different circuits have been used with these devices Always refer to the wiring diagram for the model you are servicing In all cases power is taken from a timer terminal to one terminal of the Bi Metal The other Bi Metal terminal is connected to the red heater lead usually al the timer The timer switch that normally supplies the heater power must be open while detergent cup oper
72. rature is high enough to satisfy the thermostat the thermostat stops the timer until the heater in the machine raises the water temperature enough to satisfy the thermostat If the water temperature in the tub is below the thermostat setting the switch remains open and the timer motor does not run prolonging the rinse cycle until the water temperature rises to Lhe thermostat setting When this temperature is reached the bimetal strip within the thermostat deflects and closes the contacts closing the circuit to the timer m tor and the timer resumes operation to complete the dishwashing cycle See Figure 58 CONTACTS OPEN INSULATION BIMETAL STRIP THERMOSTAT INSTALLED MYLAR JACKET COPPER CASE CROSS SECTION OF THERMOSTAT FIGURE 58 The heater in the machine will raise the waler temperature approximately one degree per minute Thus if the water is 135 degrees at the start of the Second Wash or Fourth Rinse and the thermostat is calibrated to 150 degrees the timer will stop for approximately 15 minutes in the Second Wash or Fourth Rinse or both while the water is being heated During the time that the thermostat is calling for heat there is no power to the timer motor although the wash system continues to function Depending on the model dishwasher the thermostat may be calibrated at 140 to 150 Some Lady Kenmore models contained 2 thermostats one which is a round disk type and the other which Is of a tubular design Th
73. repair kit from your Sears Ser vice Department 1 Drill out the four projection welds that anchor the caster sleeve See Figure87 A light tap on the closed end of the sleeve will dislodge the entire sieeve assembly it is necessary 10 remove this sleeve so that the new caster will rest flush on the support cross piece 2 Insert the caster and fasten securely with the nut CAUTION Do not remove the het shaped portion on the frame This hat will give added stability and strength to the caster By using this method of replacement you will need to replace only the caster in the damaged socket This procedure can be followed on most dishwashers Very old units with small diameter wheels require replace ment of all four 4 casters NOTE Do not attempt to replace casters by merely inserting the new caster in the old sleeve This is not proper and will cause the machine to be out of level Casters marking the floor can usually be traced to a damaged or jammed caster assembly This causes the caster to slide rather than roll across the floor DRILL THRU 4 INDENTED WELD SPOTS ON CASTER BRACKET amp REMOVE SOCKET amp WASHER WW DRILL FIGURE 87 NUT CASTER ASSEMBLY FIGURE 88 Tubs Replacement of a tub requires a complete disassembly of the dishwasher If a tub replacement is necessary we recommend having it done by a qualified service technician 11 G DRYING SYSTEM Convection Method in the convection method
74. ring the float should cause the switch contacts to close or open the circuit NOTE Almost every dishwasher on the market hes a timed fill period Some have a pressure swich for overflow pro tection others have a float switch Normally an inlet valve should remain open for 45 to 9 seconds There are however instances where a machine will fill so rapidly because of high water pressure that the overflow switch will cut off the inlet valve 10 prevent an overflow This will result in a pause between fill valve cut off and the start of the wash or rinse cycle This is normal and no adjustment should be made NORMAL CHARGE 9 QTS OVER CHARGE 13 QTS al O a E LE Ge 3 nn SWITCH J oh a ae FIGURE 66 60 E WIRING DIAGRAMS AND ESTER LINE CYCLE CHARTS To properly diagnose electrical problems associated with your dishwasher it is important for you to understand the wiring diagram and esterline chart which is located on the tech sheet inside the machine console These diagrams vary from model to model depending on the particular machines features but a basic knowledge of one diagram will enable you to understand other diagrams The wiring diagram as shown in Figure 67 is a typical line schematic which shows all the electrical circuits involved Most dishwasher wiring diagrams have arrows or the symbols BK and W at the top of the diagram This represents the connection to electrical power The line marked W extends down the rig
75. rm to the rear caster bracket Remove cable from anti tilt arm Remove screws attaching foot and shim to the frame assembly Reverse procedure for replacement REAR CASTER BRACKET GUIDE BLOCK SEET c Arm Replacement 18 Dishwashers 4 o um BP Ww NH eH Remove spring and cable from C arm Figure 76 Remove two 2 screws that hold C arm to inner door Remove bottom two 2 screws holding hinge bracket assembly lo wrapper Remove plastic C arm guide Remove C arm pin from hole in hinge bracket assembly Push C arm through the notched area of the tub flange Reverse procedure to replace 70 STEP 2 STEP A STEP 4 PLASTIC GUIDE HINGE BRACKET STEP 5 C ARM PIN FIGURE 76 Racks To remove the upper rack only remove the end caps at the front of the slides the end caps in place Refer to Figure 77 by straightening the metal tabs holding o END CAP G f RACK SLIDE i FIGURE 77 To remove the upper racks and slides square slide out type proceed as follows 1 Detach upper front and lower rear roller on each side Figure 7B 3 Remove racks by raising rack and slides until slides will pass the new rollers Figure79 UPPER FRONT ROLLER L Cy lt e G BOR RAISE SLIDE 2 W LOWER REAR ROLLER FIGURE 78 FIGURE 79 Tub Gaskets The tub gasket is a one piece gasket as shown in Figure 80 The tub gasket is fastened with stainless steel clip
76. s The illustrations figures 87 thru 83 show how these clips are removed and replaced on sides and top A gasket junction wire and one or two clips secure the gasket at the bottom dam d FIGURE 80 The following instructions apply to removal and replacement of the dishwasher tub gasket 1 To remove gasket insert a small thin screwdriver blade under flange of the gasket attach clip and press oulward See Figure 81 12 Attach Clip a Screwdriver Press Outward Flange Attach Clip Gasket Gasket Tub Slot FIGURE 81 3 Attach clips can be positioned in replacement gasket and pressed back into tub slot See Figure 82 TO REPLACE Apply Pressure To Flange Of Clip Press Into Place e Press In Tub Slot Attach Clip FIGURE 82 3 The replacement gasket must have both bottom front corners positioned tightly against curved surface of tub A Figure 83 and held in this position with the two stainless retainer clips located at bottom front of tub B Figure 83 Later models have only 1 stainless clip which holds the U shaped portion of the junction rod Position Hump In Junction Rod At Butted Ends Of Gasket To Center Rod In Bottom Of Tub Sealing Surface FIGURE 83 13 FIGURE 84 A A revised vent baffle was introduced in 1981 This vent baffle has a white vinyl gasket along the bottom edge There is no adjustment on this vent baffle The tub gasket has a longer cut out section i
77. s Yu ee ih ms i eR mana meae te n ne mn ae H Replace defective component Refer to Installation Instruction for proper electrical connection and grounding of power receptacle PROBLEM ewes wm une venm sete pute win rr teen fal ae rn aN a NT ie rr at yar A way eaten ry eye ere I tea Dishwasher omits portion 1 of a selected wash cycle 1 Dishwasher performs part of the cycle at incorrect times Eedemen uae wan A ss RE ne me Si em te rm rm ry er Wt mt Dishwasher stops part way through a cycle ee ee eee arcu eer tee i mn a tt ee st ee eh rin at em A ts SE a Ne TT een see ee ne e Stuck in portion of the cycle Timer will not advance 2 3 4 POSSIBLE CAUSE Damaged or defective timer switch or cams inside timer case Open circuit between selector switch and timer Rapid advance timer only Detective electrical component Pinion gear slipping on rapid advance motor shaft Lead wires connected to incorrect timer terminals Selector switch improperly wired Pinion gear slipping on rapid advance motor shaft Damaged or defective selector switch Cycle selector button is not fully depressed Wires disconnected at the selector switch terminals Open circuit inside the selector switch Timer damaged or switches making and breaking at wrong time Open circuit to motor Wire disconnected at heater Thermostat contacts not closing to start timer motor after water reaches temperature
78. s mea YA 11 drain hi 10 be routed through the floor FIGURE 1 Copper tubing must have a minimum LD of 3 8 inch Sears has a waterline kit which includes all the fittings and instructions you need for most installations How much water volume is needed A minimum flow of 8 quarts of hot water is required in 60 seconds Check this at your kitchen faucet tap with the aerator removed IMPORTANT Provide a separate circuit with fuse or circuit breaker rated for at least 15 Amps but not more than 20 Amps IMPORTANT This Appliance Must Be Permanently Grounded In Accordance With The National Electrical Code and Local Codes and Ordinances When installing the dishwasher 1 Connect Un junction box incoming black lead to dishwasher black lead and incoming white lead to dishwasher white lead 2 Attach grounding wire to green grounding screw CAUTION The joining of aluminum bullding wire to stranded copper wire leads on the dishwasher involves special problems It should be done only by qualified personnel using material recognized by U L or CSA as suitable DRAIN Improperly installed drain hoses can kink and result in poor washability or failure of the dishwasher to drain Do not use the drain hase supplied with the dishwasher for the water supply line Itis not a reinforced hose and will burst under water line pressure NOTE A properly operating dishwasher will have approximate ly 2 cups of clean water remaining in the tub at the c
79. s needed Check continuity Check continuity Refer to Timer Testing Applies to models with a rapid advance timer Check continuity Refer to Motor Testing Replace start switch Replace timer Refer to Installation Instructions for proper electrical connection and grounding of power receptacles Replace thermostat Check electrical connection Refer to wiring diagrarn and check selector switch circuitry Check continuity Replace defective parts Check safety tab which prevents turning handle into run position with door open 4 Defective door switch 4 5 Defective selector switch 5 6 Defective timer motor circuits 6 7 Defective start switch 7 8 Main motor defective B Dishwasher automatically 4 Start switch contacts sticking closed 1 M repeats with door latched E 2 A grounded timer motor combined with 2 reverse polarity connection at junction box or wall receptacle causing the hot side of the circuit to bypass off KC switches in the timer 3 Grounded thermostat with reverse 3 Tate polarity 4 Broken slides inside of selector switch 4 rapid advance timer only Dishwasher runs with 1 Door switch defective i door open 2 Terminals shorted to each other at the 2 door switch 3 Latching handle turned to the ON 3 position 4 Grounded electrical component 4 combined with reverse polarity connection at junction box or wall receptacle eee wre ee A A Lt Lr ih eH t
80. scharged from ports in the spray arm as shown in Figure 15 The velocity of the water discharged from the ports and the angle of the port opening causes the spray arm to rotate The rotation of the spray arm assures the distribution of water to all corners of the tub A stuck or split spray arm can cause leaks or poor washability On complaints of this type inspect the spray arm closely for a possible split seam Be sure the spray arm turns freely on the pump housing If binding is encountered it will be necessary to replace the pump housing or spray arm or both Spray Tube The spray tube or middle spray arm directs water to the upper rack to assure complete washing and rinsing of all plates and glassware Water is pumped from the sump by the lower impeller through a hose connected to the spray tube or middle spray arm On models having the upper rote rack be certain the racks turns freely Unsatisfactory washing of the items in the upper rack will result if the rack binds is prevented from rotating by a tall item in the lower rack or water is not being discharged from the spray tube 18 Periodic cleaning of the spray tube is recommended One method is shown is Figure 16 The loosened particies may be flushed from the tube by operating the dishwasher in a wash cycle with the cap removed FIGURE 16 Three Level Wash System The upper or third level wash system used in certain models is intended to give increased wash efficiency f
81. sh has been selected The following timer switch contacts are now closed Refer to Figure 69 e Power Bus 1 Switch 1 e Timer Motor Switch 10 e Water Valve Switch 24 62 EMON Site rg HOT ATE HEIR pur tO Quirgt 109 pace Cheer Sw pie Ste oat S ET LOOR CODE FUNCTION o 5 10 40 53 60 Ser NA power sus 2 TERRES oid Gy ase peras TMI em OTTO cocoa es TU e SE Peretti teeter water vave faa tM aia Heeei TEE o to enon sowe a TT aaa ere emess et OA INJECTORS EQUI Nii EET e TTT HEATER VI ial we EES ERR EMI A pitts ep EEN pos Pat ERC ee LUT Bu vto Bu ali em 3 3 40 4 DRY 26 Min PI RINSE 4 MIN 27d RINSE 3 MIN GI and wasn 7 min SWI FUNCTORS D WASH 77 MIN 3rd RINSE 4 MIN ath RINSE MIN os PE ES EE EEEE EEN A RRR A EER 0 AAA AAA 2 SECHER Caen SS SAN DEI As B o AAA EE DRNDPHAL MELTING KUMI FIGURE 69 63 FILL PHASE NORMAL CYCLE Din it LA EES Sag roar wag 8 kb S In ee a eeng H IE des i 2 A D k 13 S Sr o IE de Th e f La CvCLE SELECTION F 10 5 Bw or D D A H Si PRES MOG i 2 H Th sexta fof J FLOAT Gw TC WASSER va vt an 24 O mowrr e Aa D o 32 CESES An ei a e INGE 28 WILE TOR Ze hal 30 aw D et PENITA E DETLRDENT Cus ree ee e P ates ties e LE GN d MOTOR Write
82. sm are features of this wetting agent Cispenser Elimination of the solenoid reduces the operating noise level of the dispenser The door must be fully opened for a few seconds to allow the wetting agent liquid to fill up in a scoop Figure 50 DOOR IN FULLY OPENED POSITION FILL NECK Ki WETTING AGENT LIQUID FIGURE 50 When the door is closed the wetting agent liquid in the scoop then fills the area at the bottom portion of the inner valve stopper and any extra liquid drains back into the supply tank Figure 51 PLUNGER RESERVOIR FILLS DOOR IN CLOSED a POSITION SC Ge eum ana ae red RELEASE LIQUID LA TANK INTO FILL NECK SOE FIGURE 52 FIGURE 51 This controlled amount of wetting agent liquid at the lower section of the stopper is released into the fill neck during the water fill of the 4th last rinse only Figure 52 with wetting agent liquid in the supply tank start the dishwasher in the normal manner he fill of the last rinse The Bi Metal should lift the stopper either during or i then flow from the valve area out to fill neck for mixing with the rinse To check for proper operation then manually advance the timer to t shortly after this fill The wetting agent wil water 4 Failure of the Bi Metal to lift can usually be traced to an interruption of its circuit path which includes the heating element The rinse injector Bi Metal is very similar to that for the deterge
83. supply system on all 18 compact dishwashers is completely externa of the wash chamber A hose from the back side of the pump housing runs behind the back center of the wash chamber tub up to the delivery tube To remove See Figure 20 1 Disconnect power supply to dishwasher 2 Loosen and remove clamp attaching delivery hose to pump housing MOTE Water remaining in hose and pump should be caught in a bowl 3 Remove four 4 screws that attach the delivery tube to the tub assembly A Remove hose by pulling slowly through the opening in rear of tub Reverse procedure to reinstall and check for leaks and kinks 20 ATTACH SCREWS 4 STEP 3 ni DELIVERY HOSE FIGURE 20 Water Inlet Valve The water inlet valve is solenoid operated and when energized permits a constant controlled flow of water to enter the dishwasher tub The valve is designed to operate over a pressure range of 20 pounds per square inch minimum to 120 pounds per square inch maximum The frequency and length of time the valve is operating is controlled by the timer Water inlet valves differ only in amount of water they deliver flow rate which is governed by the aperture size in the flow washer See Figure 21 Some models may have a three orifice flow washer IDENTIFICATION MARKINGS WATER FLOW CONCAVE SIDE A FIGURE 21 21 A Operation Figure 22 shows a cross section of the water inlet valve in its closed position and Figure 23 shows it
84. tand the function and relationship of these two components Lo one another it is necessary to examine each component in more detail Timer motors may vary slightly in appearance but each functions in the same manner It is a synchronous type motor similar to those used in electric clocks vith a small pinion which drives a cam through a gear arrangement The cam switches are enclosed in a case to protect them from damage and contamination by foreign particles which may cause a malfunction The number of switch contacts and cams varies with the number of functions the dishwasher performs The particular shape of the cam varies with the number of switch contacts it controls and the length of time each switch contact is closed Figure 55 shows a very simple cam that controls one switch contact which is closed for two increments of the timer cycle Let s assume that this cam is designed for a timer that has an advancement of six degrees 6 every sixty seconds The cut out portion of this cam therefore is twelve degrees and the cam switch contacts are closed for only two minutes during the complete cycle dese SE E FOLLOWER SWITCH CAM FIGURE 55 A single metal strip called a cam follower Figure 55 is anchored to each cam switch arm and as the cam turns this metal strip follows the contour of the outer circumference of the cam thus causing the cam switch arm Lo make and break contact at the proper time In Figure 56 we see a more compl
85. te the cycle Some commercial products such as Glass Magic may be available in your area Etching appears as a film and is impossible to remove It can be retarded by using smaller amounts of detergent Thorough rinsing is important so load your dishwasher properly Do not overload it Dishwasher water temperature should be at 140 F 60 C Can be caused by direct contact with detergent or prolonged contact with acid or salty foods Do not let detergent drop on silverware Rinse tableware promptly if it has been exposed to staining foods Silverplate has worn off exposing base metal Silver polish can remove tarnish but replating is necessary for permanent solution Can be caused by metal objects rubbing the plate Remove the marks by soaking the plate in a mild bleach solution After this wash the plate in a normal dishwasher cycle Minerals in your water supply and high water temperature in combination with some detergents can darken aluminum Too much iron in your water You may need iron removal equipment installed The water is 100 cool It should be at least 140 F 60 C at the dish washer Improper loading Load dishes so the water can run off On machines without forced air drying try opening the door slightly at the beginning of the dry cycle Unioad after about an hour Select Hot Dry Use of wetting agent for those dishwashers equipped with automatic dis pensers helps water to sheet off faster Improper lo
86. ter film can build up on the racks walls spray mechanism and heating element of the dishwasher itself The development of hard water film on the dishwasher may cause additional problems and reduce the efficiency of the dishwasher due to the build up ef the lime deposits on the pump area drain hoses etc if water supplied to the dishwasher is less than 10 grains hard spotting and filming can be controlled satisfactorily by the amount of detergent used in a properly functioning dishwasher When correct amounts of detergent are used for the availing water conditions the water softening ingredients will also dissolve calcium and magnesium which have deposited on dishware surfaces in preceding dishwashing cycles In medium and hard water conditions the amount of detergent used should be increased We recommend filling the detergent cups under these conditions In some very hard water conditions it may also be advisable to place addi tional detergent in the dishwasher for the main wash cycle When the total hardness of the water exceeds 12 grains per gallon it may be advisable to install a water conditioning unit to remove the calcium and magnesium from the water in order to insure continuous excellent automatic dish washing results Also keep in mind that when a customer already has a water softener that it may not be function ing correctly or it may not be able to handle the capacity needed for the size of the household REMOVAL AND CONTROL OF HAR
87. the dishwasher from operating while the door is open The switch is the first component in the circuit All other components are in series with the door switch and all machine functions cease when the door is opened The door switch is actuated by the latch mechanism See Figure 64 and 65 A voltage check of the switch using a volt ohm meter will quickly isolate a defective component Closed Position FIGURE 64 CAUTION BE SURE THE TWO WIRES FROM DOOR SWITCH ARE LOOPED AWAY FROM LATCH MECHANISM AND TAPED INTO WIRE HARNESS AS SHOWN e WIDE SIDE DOWN FOR FULL SE ENGAGEMENT OF DOOR SWITCH TERMINAL FIGURE 63 59 B Float Switches The float switch is wired in the circuit between the timer and the water inlet valve The purpose of the float switch is to prevent an overflow in the event the drain system should fail or the timer should stick in the fill position allowing too much water to enter the tub H will not prevent an overflow should the water inlet valve develop a mechanical defect The switch is operated by a float located in the iuh Fiqure 66 which rises with the water level At a predeter mined level before an overfiow can occur the float opens the switch contacts and breaks the circu to the water inlet valve The switch ts a normally open micro switch which is held closed by the weight of the float The float switch may be checked by placing the leads from an ohmmeter across the switch terminals Raising and lowe
88. the switch as they are designated in the Cycle Selection Switch Functions chart Figure 57 For example begin with the first column under Cycle Selection Switch Functions Connect one ohmmeter lead to the I terminal and the other lead to the 3 terminal Press each of the four buttons and compare ohmmeter reading with chart If chart shows switch OPEN 0 no continuity should register on ohmmeter when button is pressed If CLOSED C continuity should register on ohmmeter when button is pressed Follow this checking procedure through all cycle switch positions being certain the ohmmeter leads are connected to the proper terminals Failure of switch to register as shown on the chart indicates a defective switch and it must be replaced Figure 57 NOTE Some selector switch terminals are identified by colors instead of digits CYCLE SELECTION SWITCH FUNCTION 4 3 3 SWITCH TO TO TO SELECTION FIGURE 57 Since failure of the machine to function properly can result from failure of one of several components be certam the above checks are accurately performed before labeling a selector switch defective 50 Thermostats and Temperature Indicators A Sant Wash or High Temperature Wash Rinse Thermostat Most dishwashers are equipped with a thermostat to provide for guaranteed hot water in the 2nd Wash and or Final Rinse when a Sani Wash or high temperature wash is selected Unless the water tempe
89. tom 2 Pump part or parts not tightened down properly 3 Impellers improperly shimmed and rubbing 4 Defective bearings in motor 5 Sucking sound at end of drain period Main motor kicks out 1 Debris in pump locking pump system repeatedly on overload 2 Motor shaft seals are stuck together 3 Main motor shaft not centered in pump housing cavity 4 Main motor bolts not tightened evenly Dishwasher wili not 1 Defective heating element heat water to required temperature in the thermostat detay periods 2 Open circuit through timer safety thermostat and or heater 3 Defective thermostat Check continuity Refer to wiring diagram and trace circuits for voltage loss Refer to the proper section in this manual for testing thermostat a i a us ar nt eat trees fr A a A A Ms Sr Dishes are not dry at 1 Open circuit through timer to heater end of dry phase 2 Defective heater eer 3 Improper loading of dishes 4 Water not hot enough 5 Blower inoperative Blower models only 6 Unfavorable temperature and humidity conditions Non blower models Refer to wiring diagram and trace circuit for loss of voltage lf voltage to heater remove leads and check for continuity through heater Refer to Owner s Manual for proper loading pattern Refer to detergent manufacturers recommendation Check and adjust water heater Check operation of the blower motor in the dry phase after the final p
90. ture of the water within the machine The water temperature will fall within the ranges of Coal Normal or Sani and will be indicated by lights on the console as shown in Figure 59 TEMPERATURE INDICATOR LIGHT CYCLE INDICATOR LENS SERRA p rim RADY RENO SEN S AN AUTEMBRET DIGEWAGRRA y Za AN g WHE roang Sift NORMAL Se COOL AAA e a AM BEE T b sschen PI en 20 gie pitt BEL Pr te Sas DRY TIME SELECTOR TEMPERATURE DELAY FIGURE 59 The coo thermostat Figure 60 is a single pole single throw temperature controlled switch The sani thermostat Figure 61 is a single pole double throw switch COOL THERMOSTAT SANI THERMOSTAT FIGURE 60 52 Since the thermostats are subjected to varying conditions within the home it is extremely important that they be secured firmly against the door or tub of the dishwasher in order to accurately sense the internal ternperature TEMPERATURE SENSING SURFACE FIGURE 61 The purpose of the lights is to indicate to the user ot the dishwasher whether the hot water supplied to the machine is hot enough to produce good dishwashing results The Cool light will remain on until the water temperature in the dishwasher reaches 140 at which time the light switches from Cool to Normal Dishwashing detergents state that temperatures delivered to the iniet valve must be at least 140 degrees This minimum temp
91. ump out Uniatch door at end of final rinse and allow dinnerware to cool before removing from dishwasher Moisture will evaporate see eo ares Tt te ae er SMA nn sy mae tr ENR SAM Fre te tI Pre fr efor fim ih en lt hs et TR ON Se md A ny AN Ant UA te rae A Hater IP Hy me RY A 89 ee i Aer EEN A BA A FE re BARS EE EE mr FEEF EE RH ee nore ee dite hem me YF ii ey MA PROBLEM POSSIBLE CAUSE ACTION ere et er MAP er ese WPT eT ets em ti E pte lige ala en eb i i At ula en lS end on nl SAIL PL ru MLL ARMA Meee Ge RL ee en bh Oe EEN LLM Aa pe Lever won t latch or 1 Latch lever bent 1 Repair or replace mechanism stay in run position 2 Door misaligned to tub 2 Loosen attach brackets and reposition Undercounter models tub for proper door closure Be sure machine is level mt pers a et He A NN eA AJL ne WN NLM A AAA be NN RE A AD a NY A SR BL ee TRO AAD SOT TY RETR SET MTU Se ee Detergent Cup won t 1 Carns not locking on linkage arm 1 File notch deeper on surface of cam latch Solenoid operated Cup dr ARES that rests against linkage arm 2 Cam not locking on bi metal leaf 2 Adjust leaf or replace bi metal Bi metal operated cup control 3 Roll pin or shaft broken 3 Replace roll pin or install shaft kit 4 Broken springs 4 Replace as needed Detergent cup won t 1 Roll pin or shaft broken 1 Replace roll pin or install shaft kit open to release detergent 2 Cup binding 2 Repair or replace as needed
92. ut terminal then the timer is at fault If voltage is not present at input terminal then problem is somewhere in circuit ahead of timer Trace circuit for cause and make the necessary repairs 33 ANY WHITE POSITION C VOLT METER RUN WINDING jing BLUE ORANGE TIMER TO TIMER BLUE RUN WINDING MAIN MOTOR REVERSIBLE Va H P 3450 RPM 115V 60HZ AC FIGURE 33 Motor Start Circuit Wash and Rinse Cycle 1 Check the voltage as shown in Figure 33 Position C MOTE Momentary voltage will be noted at the instant voltage is applied to motor run winding 2 Tlf no voltage is noted at Position C at the instant voltage is applied to motor run winding and a slight humming noise is heard from the motor turn the dishwasher off and remove Blue Yellow lead wire from terminal S on the start relay Move the lead on the voltmeter from the white wire to the blue yellow lead that you removed from relay Make a continuity check of this circuit An open circuit indicates a defective timer or an open wire in this circuit If this circuit is good the relay is defective 3 If voltage is continuous at Position C for 2 to 3 seconds then turn the dishwasher off and remoye the blue yellow lead from the start relay Check continuity between terminal VS and L on the relay A reading indicates stuck contact and the relay must be replaced When this condition is encountered the motor will run for 8 to
93. ved proceed as follows Figure 92 1 Disconnect power and remove the access panel and toe panels Disconnect the wires 10 the blower motor at the terminal board or quick disconnect block Remove screws holding the internal duct cover to the tub and remove cover sorne models Bb w N Remove screws from inside of the tub holding the blower assembly 80 5 Remove blower housing assembly from under 1ub 6 Re install with new gasket Ry 9 PS w ZS p A ki o Q SCREW HEAD FIGURE 92 Heating Elements A Heating Element The heating element is used to maintain hot water for washing and rinsing operations in some models and to provide a source of heat for drying the dishes B Operation A helical strand of resistance wire is encased in a sheath with magnesium oxide tightly packed between the wire and the sheath for electrical insulation Heat is generated in the resistance wire when 120 volts AC is applied to it The heat is then transmitted through the magnesium oxide and through the sheath to the water or air surrounding it See Figure 93 for a cut away view of the heater The direct causes for the element to malfunction are Ss CY 1 Interruption of the electrical circuit to the heating element 2 The helical resistance wire becomes burned or broken 3 The helical resistance wire short circuits to the sheath due to breakdown of the magnesium oxide c Kr SHEATH ELECTRICAL INSULATION

Kenmore 808353 User's Manual

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