Kenmore 808353 Page 38 Repair Manual Download

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Summary of Contents for 808353

Page 1: ...Do It Yourself REPAIR for AUTOMATIC DISHWASHERS Easy to follow step by step repair procedures and illustrations Sold by Sears Roebuck and Co Chicago IL 60684 i 22 587 ...

Page 2: ...are staffed by the finest most capable Technical Instructors we can find In turn the Technicians in your local Sears Service Organiz_ion have in all probability been _rained 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 Roebuclc and Co _ Copyright 1981 by Se_rs Roebuck and Co ...

Page 3: ...nt way to prepare_ take a tip from the military 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 NX As soon as you and 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 h...

Page 4: ...49 1 Timers 49 2 Selector Switches 50 34 Thermostats and Temperature Indicators 51 4 Door and FloatSwitches 59 Er Wiring Diagrams and Ester line Charts 61 i Wiring Diagrams 61 2 Ester line Charts R2 3 Voltage Checks 66 4 Continuity Check 67 Fo Mechanical System 68 Door Assemblies 68 2_ Racks 71 3 Tub Gaskets 72 Cord Reel 75 5 Casters 76 6 Tubs 77 G Drying System 78 1_ Convection Method 78 2 Forced...

Page 5: ...c 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 Our 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...

Page 6: ...hich 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 fdhng 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 ...

Page 7: ...ve sudsing Each injection of wetting agent liquid should be approximately 8cc Etching Etching of glassware is the result of soft glass and an alkaline compound The surface 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 ...

Page 8: ...rgent 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 silverwai e Rinse tableware promptly if it has been exposed to staining foods Silverplate has worn off exposing base metal Silver polish ...

Page 9: ...into the bottom of the tub 3 Fill the 2rid wash detergent cup with dishwasher detergent and close the cup 4 Select a normal cycle must have 2 washes and 4 rinses 5 Allow the dishwasher to complete all washes and rinses It is not necessary to complete the dry cycle 6 DO NOT place dinnerware or silverware in the dishwasher during the cleaning operation CA U T ON Because of the obnoxious odor of the ...

Page 10: ...ethepowersupply cordgroundprong Under Counter Dishwasher Drain Water and Electric Supply I I I I I 16 FIGURE Copper tubing must have a minimum I D 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 requiredin 60 seconds Check this at your kitchen faucet tap...

Page 11: ... to drain Do not use the drain hose supplied with the dishwasher for the water supply line It is not a reinforced hose and wil burst under water line pressure NOTE A properly operating dzshwasher will have approxtma_e y 2 cups of clean water rematmng in he ub at the com pletion of he cycle CA UTION Be sure to remove plug from disposer inlet before attaching drain hose DRAIN HOSE CONNECTED TO DISPO...

Page 12: ... HOSE CONNECTION THROUGH FLOOR AIR GAP KIT AVAILABLE AT SEARS 2 OR LARGER HOLE LEFTNAND SUPPORT 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 dr...

Page 13: ...al and plumbing lines should be 1 d ameter minimum Keep the electricaland plumbing lines separated fl FIGURE 5 INLET VALVE JUNCTION BOX ASSEMBLY Locale the valve and junction box assembly as shown in Figure 6 using the template supplied Attach the assembly 1o the floor through 1he two holes near the junction box If unable to atlach the assembly to the floor locale according to the template connect...

Page 14: ...inal is provided in The junction box Connecting the circuit conductor ground along with the molded receptacfe green pigtail automatically grounds 1he dishwasher install the wiring routing it within the zones shown in Figure 5 Do not run i across in front of the motor Connect lhe circuit black 1o the machine black and circuil white to the machine white using wire nuts If house wi_ing is aluminum a ...

Page 15: ...e used use care to see that valve is not overhea ed CAUTION Qverheating witl da0qage the valve Clean all ioreign matedal from the pipe and threads before maldng final connections IMPORTANT TURN ON THE WATER SUPPLY AND CHECK ALL PLUMBING AIqD DISHWASHER CONNECTIONS FOR WATER LEAKS WARNING Do not have line pressure Io the water valve in freezing temperatures during construction remodeling elc Do not...

Page 16: ...LAMP OR SUPPORT _ONE IYPE OF WHICH IS SHOWN BELOW Corner Support Bracket Furnished Drain Hose Furnished Entry MUST be above trap _1_ t Trap P or S Branch Tailpie Trap P or S SINK AT LEFT 3O Top of Corner Support Bracket To Floor 2 Access Hole FIGURE 8 SINK AT RIGHT Route the hose from the dishwasher cabinet through 1he 2 access hole then behind the corner support to the drain and connect Be sure a...

Page 17: ...h Floor SINK AT RIGHT FIGURE9 HOW TO POSITION ALIGN AND LEVEL YOUR DISHWASHER Move your dishwasher as necessary to FIGURE IO 2 Align the front of the dishwasher as close as possible with the front of the cabinets 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 teveling sc...

Page 18: ...de of countertop 3 Screw the mounting bracket firmly to the counter op 4 Open and dose the dishwasherdoor There shouldbe no interference or scratchingas itmoves 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 rep...

Page 19: ...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 to the water inlet valve thus preventing a flood If the floa...

Page 20: ...eference 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 cycie and allow the normal amount of water to fill the tub After the water inlet valge has shut off compare the edge of the water line with the reference marks made above The water cha...

Page 21: ...f 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 wilt be necessary to replace the pump housing or spray arm or both 5pray 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...

Page 22: ...h efficiency for articles in the upper rack See Figure 7 A B SPRAY iUBE Y ADAPIDR FIGURE 17A FIGURE17B The water for the system in 17A isbled off from the middle wash system by means of a Y adapter in the main supply tube and a branching L shaped supplytube from thatpointto the lop centerof the tub In 17B the top spray arm is supptied directly from 1he pump by means of an external supply tube The ...

Page 23: ...he spray arm is removed by removing the center moun_ing screw See Figure 79 BEARING ASSEMBLY ARM FIGURE 18 HER _ SCREW FIGURE 19 Two Level Compact Models The top spray arm water supply system on all 18 compact dishwashers is completely external 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...

Page 24: ...pressure range of 20 pounds per square inch minimum to 120 pounds per square inch maximum The frequency and length of Lime 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 CONCAVE IDENTIFICATION MARKINGS _...

Page 25: ...oshpheric 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 PLUNGER HOLE LINE WATER PRESSURE WASHER ATMOSPHERIC PRESSURE B FIGURE22 CLOSED POSITION PLUNGER DIAPHRAGM B FLOW WASHER FIGURE23 OPEN POSI ION When the solenoid releasesthe plunger the hole in the center of the di...

Page 26: ...defects dirt particles or for formation of lime 5 Check 1o make sure the tiny bleed hoies in the diaphragm are not clogged See Figure 24 Clean bleed holes if necessary using a pin or needte BLEED HOLES FIGURE 24 6 7 Clean the screen mesh of any rust particles Use running water to remove any large particles then complete the iob by blowing screen clear The screen mesh must be absolutely clean and f...

Page 27: ...w washer from the chart Fhereare identification markings Qn the fiat side of the flow washer Install the flow washer with identification markings facing you Curved side should be against the ftat metal washer IDENTIFICATION MARKING_ NOTE METAL WASHER 4E 2 0 2 5 _af min 5E 175_ lo 6F 1 6 Z 10 DISHWASHER WIDTH 24 IB X X X X FILL TIME 60sec gO see 1 45 sec_ F X b X ORIGINAL VALVE Whiie i_ oeo E Yello...

Page 28: ...t to malfunction The solenoid and bracket on this valve may have to be rotated in relation to the vatve 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 d...

Page 29: ...inlet assembly fits into a bracket on the side of the tub The plastic nut secures the assembly to the tub Removal of the nul from inside the tub allows the inlet unit to be easily removed from the botlom of the dishwasher PLASTICNUT I SIDE WATER INLET WA1ER iNLETASSEMBLY TOWATER INLETVALVE FIGURE 25B FIGURE 25A The water inlet assembly shown in Figure 25B combines the fill and blower opening in th...

Page 30: ...tween the door and access panel as shown in Figure 26 Exception Forced Air Models described in th e section of this manual which covers the drying system Motor and Pump Assembly __ NUT PUMP HOUSING PPER IMPELLER MACERATOR BLADE PUMP HOUSING LOWER SEAL IMPELLER SHROUD LOWER IMPELLER SLINGER MOTOR AND PUMP ASSEMBLY ASSEMBLED FIGURE27 27 ...

Page 31: ...s Refer to Figure 3OA 1 Pump housingor casting which consistsof an upper and lower parL t attaches directly to the main motor and the tub The upper housing directs water from the upper impeller into the spray arm 2 CharSeal 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 in...

Page 32: ...e motor slart winding Since the relay is a gravity type device it must be mounted in an upright poshion 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 fi_e momemary high current to the main winding energizes the relay solenoid The solenoid plunger is lifted closing the switch contacts The start windin...

Page 33: ...ocity 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 operation It must turn freely on the pump housing If binding is evident check the following Refer to Figure ...

Page 34: ...z es a lower pu _ _g _ t_ _h_ nressure n the drain line during wash r nse phas s im eller has a ring or collar Tltteo arounu i__u _ _ _ Z dz_ _ _ _ q I_vRt snrav arm systems as ilius_raieu m ThPe3 level tower system uses the same pump housing aS _u_ L _ _ _ Figure 30A C IMPELLER PUMP f_ HOUSING 0 z_ _ _ _P _ FIGURE 30B 31 ...

Page 35: ...e connecting the voltmeter in the circuit 1 Connect a voltmeter in the motor run winding circuit as outlined in Figure 3 f position A If your motor has a connector block meter must have a probe that can be inserted into the biock ANY WHITE START sWITCH _BLuE YEL rr uJ P RUN WINDING 0 START BLUE ORANGE I RELAY TIMER BLUE BLACK CCW RINSE WASH START Wit 4 0 POSITION A VOLT METER BLUE RED CW DRAIN STA...

Page 36: ...ead should indicate low resistance If an open circuit is indicated replace the motor 3 If no voltage at A Figure 3 then check for voltage at the output side of timer as shown in Figure 32 Position B 4 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 vo...

Page 37: ...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 If voltage is continuous at Position C for 2 to 3 seconds then turn the dishwasher off and remove the blue yellow lead from the start relayo Check continuity between terminal...

Page 38: ...ither the drain or wash cycle may becaused by a defective timer and not a defective motor NO TE _Vhen checking an e ectricat cJrcuiZ atways exercise extreme cautiOr_ and refer to the wiring diagram if availabfe MOTOR I I 115 VOLT SUPPLY START RELAY __ _ 7 B_O ORG Ir__ u _ __ k DRAIN WASH BLu ED T I WHITE _ LI__ _ _ WHITE TIMER PARTIAL i i r 7 i IBLK I WASHPHASE i__ _ _ IR_D _ _ P _ J I I _ I I i R...

Page 39: ...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 voitage is indicated on th_ meter the relay contacts are not closing and the retay must be replaced If the motor does not hum disconnect the power and make a continuity check of the retay coif terminals L to M before chec...

Page 40: ...efer to the procedure on Page 40 To replace the main motor it is necessary to 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...

Page 41: ...entering use Service Tool 803923 as Illustrated in Figure 37 before tightening thru bolts Available through Sears Parts Department 9 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 fower impeller and the motor shaft Shim_ axe required to insure correct mating pre aure of the water seals To determin...

Page 42: ...ces 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...

Page 43: ...in position install two of the attach screws direcdy across from each other 7 Remove guidepinsand upper impeller and complete installation of allattachscrews 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 asse...

Page 44: ... two halves of the clamping 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 4 Install the pump mounting screws MPORTANT nstall one screw on each side of the ring F RSS_ See Figure 4 1 5 Attach hoses to pump housing ports Secure clamp...

Page 45: ...onnect 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 NO TE On some models both the fill hose and drain hose are permanently attached to the coupler To replace the Drain Hose _ It is best to leave unit in upright p...

Page 46: ... up any slack that may be available in the routing Figure42 Be certain however that you do not kink or otherwise restrict the hoses Hose and Coupler Assembly 8 compact model Replacement of fill hose drain hose and coupler See Figure 48 _ 1 Disconnect power supply 2 Remove top assembly 3 Remove hose and power cord pocket 4 Remove saddle bracket 5o Tilt dishwasher and disconnect hoses from valve and...

Page 47: ...ELIEF VALVE KIT HEX_WRENCH PRESSURE RELIEF VALVE COLLAR SPRING RING _ B06584 SLEEVEGASKET BODY FIGURE 44 FIGURE45 The coupler body has a very tong fife In general it is aging and wear that causes the sleeve internal gasket collar and pressurerelief to fai If Lhecoltar is worn the spring is weak or broken or bali bearings are missing order a Collar Repair Kit from Sears Repair Parts DepartmenL Have...

Page 48: ...ing element Current flowing through the heating elementis 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 Severa different circuits have beenused with these devices Always refer to the wiring diagram for tile model you are servicing in all cases power is taken from a tim...

Page 49: ...If the circuitry is found to be satisfactory the latching surfaces of 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 tf it becomes necessary to touch the leaf for any _eason turn off the power to the dishwasher Although the Bi Metal is a tow voltage comp...

Page 50: ... drains back into the supply tank Figure 51 PLUNGER_ _ RESERVOIR FILLS WITH LtOUID FROM SCOOP __ ZXC_S LtOUIO DRAINS BACK J _NTO SUPP_ _ I FILL NEC_ _ _ DOOR IN CLOSED AL _ N _ __dL____ POSITION ENERGIZED BIMET LIFTS PLUNGER INTO FILL NECK FIGURE51 FIGURE52 Thiscontrolled amount ofwetting agentliquid atthelower section ofthestopper isreleased into thefill neckduring thewaterfill ofthe4th last rins...

Page 51: ...ss the Bi Metat 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 do...

Page 52: ... switch contacts it controls and the length of time each switch contact is ctosed_ 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 deglees 6 every sixty seconds The cut out portion of this cam therefore is twelve degrees and the cam switch conta...

Page 53: ... Functions chart Figure 57 For example beginwith the first column under Cycle Selection Switch Functions Connect one ohmmeter lead to the 1 terminal and the other lead to the 3 termirial Presseach of the four buttons and compare ohmmeter reading with chart f chart shows switch OPEN 0 no continuity should register on ohmmeter when button is pressed If CLOSED C continuity should register on ohmmeter...

Page 54: ...roximately 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 sys...

Page 55: ...ement thermostat so as not to place any strain or pressure on the body of the thermostat Note that the thermostat is held 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 temperature of the water within the machine The water temperature will fall within the ranges of Cool Normal or SanY and wi...

Page 56: ...nimal warm water in the first wash to activate the delergent The hotter the water is on the first fill the quicker you will heat the tub and contents and the better you wilt maintain the heat Long water runs hot water pipes that pass through concrete slabs and crawl spaces will tend to cool the water between fills Undercounter units that have an outside wall across the side or back tend to keep th...

Page 57: ...timer cannol advance The temperature delay light wiiJ 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 td circulate and rinse the dishes while the heating element gradually raises the temperature of the water When the Sani temperature is reached the double t...

Page 58: ...3 SANITIZE DELAY LIGHT CIRCUIT POWER SANI WASH CYCLE SELECTOR FIGURE 63A D Water heat and hot rinse circuits 55 ...

Page 59: ...the solid line The dashed line indicates the delay light circuit The dotted line is an alternate circuit with the hot rinse option oft When the water heat thermostat is closed the timer continues to advance and the delay light goes out d I FIGURE 63B 56 ...

Page 60: ...re 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 I I 1 FIGURE G3C 57 ...

Page 61: ...D iliustrales the circuits involved when both water heat and hot rinse are selected The detay in the final rinse is controlled in this case by the higher rated thermostat hot rinse _ _ ___ __ __ t FIGURE 63D 58 ...

Page 62: ...re in series with the door switch and aiI machine functions cease when the door is opened The door switch is actuated by the fatch mechanism See Figure 64 and 65 A voltage check of the switch using a volt ohm meter will quickly isolate a defective component WHF E _TCH ON Closed Posit_on FIGURE 64 CAUTtOff _E SURETHETWOW_RES FROM DOORSWITCH ARELOOPED AWAY FROM ATCHM ECHAN1SM AND IAPEDINlO WIRE HARN...

Page 63: ...y open m_cro sw_tch which _s held closed by the weight of the float The ftoal switch may be checked by placing the leads from an ohmmeter across 1he switch terminals Raising and lowering the float should cause the switch contacts to close or open the circuit NOTE Almost every dishwasher on the market has a timed fil period Some have a pressure switch for overftow proo tection others have a float s...

Page 64: ...iagram will enable you to understand other diagrams The wiring diagram as shown in Figure 67 is e typical line schematic which shows eli 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 right side o1 the diagram and is known as the neut...

Page 65: ...E BN _D 0 0 IQ GY 0 tO _N D fOY 0 10 _ Q tO P_ B_ _ z10 P O 10 t_u O B_ Y 10 BL_ I_t l_ v 10 DU R R_NSE N HOLD NORMAL WASH POTS PANS SANI WASH 6O Most circuits pass through the selector switch The switch functions are shown at the lower left corner of the esteriine 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...

Page 66: ...COLO_ CODE Dr t_ o D_ To o D To 1N otDv o _o P_D_ _ r 1on B_ v to By _ o l_ X X 0 NOR MA WA_ _015 PAN_ S_NI WASH FILL PHASE NORMAL CYCLE _ _ _ __ _ 1 4 _ I 1 I 3 22 I _ _ J 63 ...

Page 67: ...ycle 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 co...

Page 68: ...i I III FIGURE 70 FIRST WASH NORMAL CYCLE RELAY SWITCH OPENS AFTER MOTOR STARTS B5 ...

Page 69: ...erminal 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 s_itch closed 120 volts AC should be present A slight humming sound should also be present which indicates that the water valve solenoid is energized if these two conditions are present check for blockage or a stuck plunger with n the fill valve Clean or replace the valve as ...

Page 70: ...chine and remove the wire from the timer s BU_BK terminal Figure 71 _ Connect one ohmmeter toad to BU BK and the other to BU Y With the timer knob rotated to the wash phase of the cycle the ohmmeter shoutd register continuity or no resistance If the timer switch is defecUve the meter will indicate an open circuit or infinite resistance All timer switches may be checked in the same manner by referr...

Page 71: ...gure 72 FIGURE 72 A One Piece Outer Door Control Panel On some dishwashers the outer door panel and control panel have been combined 1o form one common part that is removable from the inner door without need for disconnecting wires This leaves the dishwasher entireiy operable To gain entry to the area behind this piece housing the timer selector switch injectors door switch thermostat e_c proceed ...

Page 72: ...oval of lower panel is accomplished in somewhat the same manner as the one piece door panel The control panel wh ch 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 hold that panel FIGURE74 B9 ...

Page 73: ... 5 Remove screws attaching foot and shim to the frame assembly 6 Reverse procedure for replacement REAR CASTER BRACKET STEP STEP4 D SHIM COUNTERBALANCE ARM FIGURE C Arm Replacement 8 Dishwashers RING NER I Remove spring and cable from C arm Figure 76 2 Remove two 2 screws that hoid C arm to inner door 3 Remove bottom two 2 screws holding hinge bracket assembly to wrapper 4 Remove plastic C arm gui...

Page 74: ...he slides by straightening the metal tabs holding the end caps in place Refer to Figure 77 END CAP _ RACK FIGURE 77 To remove the upper racks and slides square slide out type proceed as follows I Detach upper front and lower rear roller on each side Figure78 2 Remove racks by raising rack and slides until slides will pass the new rollers Figure79 11 ...

Page 75: ...ns figures 81 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 FIGURESO The following instructions apply to remova and _eplacement of the dishwasher tub gasket 1 To remove gasket insert a small thin screwdriver blade under flange of the gasket attach cfip and press outward See Figure 81 12 ...

Page 76: ...ce FIGURE82 _ress In lub Slot_ Attach Cli p_l 3 The replacement gasket must have both bottom front corners positioned tightJy against curved surface of tub A Figure 83 and herd in this position with the two stainless retainer clips located at bottom front of tub B Figure 83 Later models have only stainless clip which holds the U shaped portion of the junction rod A Position Hump In Junction Rod At...

Page 77: ...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 in the bottom with this vent baffle Most models use this tub gasket vent baffle kit for serwce replacement 74 ...

Page 78: ...toiner mp Screw_ _ FIGURE 85 Power Cord and or Reel Replacement for Front Opening Portables SOME MODELS FIGURE8G NOTE Tub Is Removed Only To 5how 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 retrac...

Page 79: ...lodge the entire sleeve assembly it is necessary to remove this sleeve so that the new easter will rest flush on the support cross piece 2 Insert the caster and fasten securely with the nut CA UTION Do not remove the hat shaped portion on the frame This hat will give added stability and strength to the caster By using this method of replacement you wnl need to replace only the caster in the damage...

Page 80: ...E SMALL WASHER t 5EARINGS _CASTER CASTER ASSEMBLY FIGURE 88 Tubs Replacement of a tub requires a complete disassembfyof the dishwasher tf a tub replacement is necessary we recommend havingit done by a qualified service technician f_ 77 ...

Page 81: ...blished See Figure Bg_ FIGURE 89 Some of the moisl hot air will escape from 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 dishwas...

Page 82: ...g where it is mixed with cool dry air before it is exhausted beneath the machine Some machines are equipped with a Hot Dry Cool Dry or power miser switch If Hot Dry is selected the heating element is energized during all or part of the drying period LADEN AIR EXHAUSTED FIGURE 90 A_ Servicing the Blower Assembly The blower motor and blower wheel are mounted to a sub plate and this assembly can be e...

Page 83: ...er operation if the blower motor fails to operate check as follows Advance the timer to the Dry position 2 Checkforvoltage at thequick connect or terminal block 3 If vo tage is present check leads to blower motor Replace motor if defective 4 If no voltage is present consult the wiring diagram and makethe necessarychecksto determine where the voltage loss occured In the event that the blower housin...

Page 84: ...ed between the wire and the sheaf 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 9 3 for a cut away view of the heater The direct causesfor the element to malfunction are l interruption of the electrical circuit to the ...

Page 85: ...alling a heating element Remember to reconnect the ground wire to the heater sheath Hot Dry Cool Dry Power Miser SWHch 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 Coo Dry selection will cause the heater circuit to open at the comoletion of the final pump out The timer motor will rema...

Page 86: ...R _ HEATER WHITE FIGURE 94 Power Miser Circuits Single Pole Double Throw Switch The heat is controlled primarily by the Red cam switch When the Orange power miser connection is closed the Red cam switch energizes the heater whenever it is closed However if the power miser is closed to ORG BLUE the Red cam switch can only energize the heater when the motor circuit is closed washes and rinses only S...

Page 87: ...Power Cord Door Switch Door Lat Timer h I Detergent Dispenser Float Swit Inlet Valve FIGURE 96 Faucet Coupler Drain Hose Spray Arms acerator Blower Water Inlet 84 ...

Page 88: ...tched 2 J Start sw_tch contacts sticking closed A grounded timer motor combined with reverse potarity connection at junction box or walt receptacle causing the hot side of the circuit to bypass off switches in the timer 1 Replace start s_ itcho Replace timer Refer to lnstatlation Instructions for proper electrica_ connection and grounding of power receptacfes 3 Grounded thermostat with reverse pol...

Page 89: ... switch 4 Check selector switch per wiring diagram Dishwasher stops part way through a cycle 1 Cycle setector button is not fulfy depressed 1 Refer to Owners Manual on proper way to use dishwasher 2_ Wires disconnected at the selector switch terminals 2 Reconnect wires 3 Open circuit inside the selector switch 3 Refer to selector switch circuitry on wiring diagram and check continuity 4 Timer dama...

Page 90: ...etc 3 Refer to Installation for recommended requirements and routing 4o Use dishwasher when water draw at other locations is at a minimum Fill time is short resulting in a shor water charge NOTE Some models have abbreviated water fills approx 45 sec on Normal and Water Miser cycles Float switch interrupts the timer eontrolfed fill time Timer contacts for filr valveare not staying closed for the pr...

Page 91: ...of the tub 2o Main motor won t run in clockwise direction open start phase winding 3 Vanes broken off the lower impeller 24 3_ Refer to wiring diagram for pump out period and check voltage to motor Dismantle top section of pump assembly visually inspect 4 Drain line kinked or collapsed total restriction 4 Check drain line 5 Open circuits between timer output terminal and motor 5o Refer to wiring d...

Page 92: ... and center housing as outlined 4 Main motor bolts not tightened evenly 4 Loosen bolts and tighten evenly tighten crosswise 1o Defective heating element 2 Open circuit through timer safety thermostat and or heater 1 Check continuity 2o Refer towiring diagram and trace circuits for voltage loss 3 Defective thermostat 3 Refer to the proper section in this manual for testing thermostat 1 Open circuit...

Page 93: ...penser 3o Springs defective 1_ Plunger stuck or held in open position 2 Coil spring or C clip broken 3 Solenoid defective 4 Bi metal release defective ACTION 1 Repair or replace mechanism 2 Loosen attach brackets and reposition tub for proper door closure Be sure machine is level to File notch deeper on surface of cam that rests against linkage arm 2 Adjust leaf or replace bi metat control 3 Repla...

Page 94: ...hine again to verify your diagnosis and correction Identification of wherethe leak is located and what is causingthe leak is the most difficult part of the problem In some cases there may be more than one source for the leak if the leak cannot be located make the following routine checks 1 Checkspray arm makesure there is no opening anywhere along the crimpedseamand or the spray arm is not binding...

Page 95: ...ers 83 21 Left hand terminal block white for timers 83 22 Terminals for timer blocks 25 23 Terminals for timer connections outside of block 25 24 Pin type terminal for printed circuit board model 70 34 25 Wiring for dishwasher application 25 ft lengths White 807307 Orange 807310 Black _807308 Blue 807311 Red 807309 26 Misc gasket kit for tub installation 27 Baffle plate for 18 upper pump housing 2...

Page 96: ...DIV_ 22 SOURCE 587 Part Noo 808353 ...

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Kenmore 808353, Repair Manual

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