Kenmoreメーカー808353の使用説明書/サービス説明書
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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.
.... _ _ _'r_-=:_- , "_'_¸ We Service Wh_,t 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.
[Sears t WHEN SEARS PEOPLE SAY, "WE SERVICE WHAT WE SELL." THEY MEAN IT, When you get your appliance from Sears, Roebuck and Con, you get something • nobody else can give you - Sears service. Many families who've been around hate to buy even a toaster anywhere else.
TABLE OF CONTENTS A÷ B_ C_ D, Water, Detergent, and the Automatic Dishwasher ................................................................................................ 3 Installation .............................................................
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 repa!r of most components used on any model.
A. WATER, DETERGENT AND THE AUTOMATIC DISHWASHER Water Water is a primary ingredient in determining automatic dishwashing result5 The minerafs in water, when in sufficient quantity, wilt cause spotting, filming and the possible discoloration of some metals.
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.
3 Dishwashmg Problems and Answers PROBLEM Dishes Not Clean Spotting Filming Etching ........... Silverware Stained or Pitted Bronze Tarnish on Silverware Black Marks on Dinnerware Aluminum Discolorati.
CLEANING MINERAL DEPOSITS FROM PORCELAIN SURFACES The following procedure is safe if the instructions are carefully followed Many complaints of porcelain delerioration have been traced to a surface di.
B. INSTALLATION Portable Dishwasher Hot Water Connections - Portable Dishwasher I. Attach the AERATOR ADAPTOR furnished with the dishwasher to the sink faucet.
2 Attach grounding wire to green grounding screw CAUTION: The joining of aluminum building 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.
DRAIN HOSE CONNECTION TO SINK DRAIN /2 ! O COPPER TUBING DRAIN HOSE MUST BE _tGHER THAN DIS 3RANCH TAILPIECE S{NF, AT RIGHT FIGURE 3 Sears "Y" Branch Tailpiece and Connector Kit No, 729b mak.
Models Equipped With Installation Module PLANNING Determine the rouling for the water supply, eleclrical wiring and drain line before proceeding with the actual in- sin!tarpon so that space conflicts .
ELECTRICAL All wiring must be in accordance with electrical codes The dishwasher operates on !15 volt, 60 cycle power Pro- vide a separate circuit with a fuse or circuit breaker rated for at least 15 .
WA] ER SUPPLY Plumbing must comply with local codes It is recommended that a shul-off valve be installed in the line from the supply to the dishwasher The water supply must be able lo supply a minimum.
DRAIN Referring to Figures 8 and 9. install the drain connection parts (Y branch tail-piece, disposer adapter, air gap, etc ) in the location selected Instali the drain hose corner support in the corn.
Corner Support Bracket (Furnished) Air Gap Kit {Available at Sears} 1 Required by some local plumbing codes when connecting 10 a disposer 2 Required when connecting 7o a separate Irap benea'lh 1h.
TWO WAYS TO ANCHOR YOUR DISHWASHER F $oc_r anchori_g with _' lag screw_ _ Toe plate assembtv FIGURE 11 You MUST anchor your dishwasher to keep it from tilting when the door is opened or closed. Countertop Anchoring: 1. If the countertop mounting bracket flange is }onger than you need, mark it, remove it, and saw off the unneeded part.
C. WJASH SYSTEM Two Level Wash Feature FIGUREI3 A separate spray tube or rotating spray arm assures excellent washability in the upper rack, and another rotating spray arm thoroughly washes all dishes.
FLOAT NORMAL SWITCH FIGURE 14 2 Testing Water Charge Level To check for proper water level, pour the minimum charge ol_ 8 quarts of water into the tub and make a reference mark with a grease pencil or.
ttttt t t . _ FIGURE 15 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 discharged from ports in the spray arm as shown in Figure t5.
Periodic cleaning of the spray tube is recommended One method is shown is Figure 16. The loosened particles may be flushed from the tube by operating the dishwasher in a wash cycle with the cap remove.
A Removal of Mtddle Spray Arm 1 Remove stainless steeI 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 th.
DELIVER TUBE HOSE STEP 2 STEP 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 val.
A Operation Figure 22 shows a cross section of the water inlet valve in its closed position and Figure 23 shows it 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 A is atmospheric (Figure 2.
C Testing To test operation of water inlet valve, place the leads of a volt meter across the termina{s of the solenoid in any fill phase of the operating cycle where the water inlet valve should be en.
Water Inlet Valve Kit Undercounler 808668 Portable 808667 KI'[S INCLUDE: t water vane ! metal washer 4 flow washers t plastic retainer 1 screen 2 terminal insulators t sealer washer (undercounter.
4, Install plastic retainer into valve with center protrusion facing you, Push untii it snaps into the groove cut into the body of the valve 6 Press screen into valve, being careful not to crush or ch.
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 operatio.
INNER DOOR--'_ EXIT FLOW OF MOIST AIR DURING DRY CYCLE JI, 'J VENT / I 4 _"_--_-- VENT GRILLE *---OUTER DOOR PANEL FIGURE 26 Venting takes place between the door and access panel as sho.
t:_._ SCREW WASHER UPPER IMPELLER 6 2 SEAL MACERATOR BLADE 5 SPACER PLATE SHROUD 4 ._._------_ PU M P PLATE ' PUMP GASKET O RING '(_ LOWER IMPELLER SHIMS 3 SCREW-_ PUMP HOUSING LOWER RING CLAM FAN SLING FIGURE 30A MP GASKET SCR B, Pump Assembly The pump assembly consists of the following components (Refer to Figure 3OA ] 1.
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 windi.
3. Lower]mpeller- 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 im.
2 Level Tower Pump 5y,srem • ' m housin with the recirculating pot1 c osed off For this reason ;he bwer This pump sysIern utlt_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 _,_,.
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 star1 in a counter-clock-wise direction.
START SWITCH -II'-BLUE-YEL tr U_ o ANY WHITE POSITION "B" VOLT METER RUN WINDING BLUE -_ ORANG START RELAY BLUEoBLACK RINSE WASH START WINDING BLUE-RED DRAIN START WINDING WHITE RED BLACK BLUE- RUN WINDING I _ MAIN MOTOR-REVERSIBLE /3 H,P, 3450 RPM 115V 60HZ AC FIGURE 32 .
F, START W,T,C ÷BLO,,ET E A"V WH,TE , ,, POSITION "C" VOLT METER wtsD'iN6 ' ...... I ' O _TAR. T .,_[..BLUE-ORANGE TIMER" t- RELAY L BLUE-BLACK CCW RINSE WASH START WIN O I t BLACK BLUE- RUN WINDING BLUE-RED CW DRAIN START WINDING W H I T E """ [-7 j %.
t Connect the meter leads to the red motor lead and any white, 2 Timer contacts for the drain phase are BLU-YELLOW to BLU-RED. Figure34 is a diagram of the motor circuit Note that the drain or wash st.
TERMINAL TERMINAL / TERMINAL " !__" FIGURE35 G After the Main Motor has been tested and proven good, the motor relay may be checked as follows: 1.
2 SUMP (SOME MODELS) 3 SCREW DIFFUSER SCREW wA s. E R 4 UPPER tMPELLER_ 4 MACERATOR ¢_ SPACER PLATE __ 4 SHROUD 5 PUMP PLATE GASKET-- b RING LOWER IMPELLER 1 I 6 GASKET 6 MOTOR FIGURE 36 H Motor Repl.
3 Remove upper pump housing (diffuser) (3} 4 Remove upper impeller, macerator blade, spacer plale, and pump plate (4] 5 Remove lower impeller and seals (5} 6 Detach motor and pump housing assembly cov.
CENTER MOTOR SHAFT WITH PUMP HOUSING WITH SERVICE TOOL 803923--7 / f M 3____/ ,!' ...... ] ...... 10 FIGURE 37 SHIM GAUGE 807077_ _ FIGURE 38 .,p'--_ RAISE EDGES OF / GASKET TO ALLOW GAUGE T.
J K Motor ]nstaltation 1, Place motor on floor in proper position beneath mounting hole in tub (See Figure39t (Pump housing and gasket attached to motor ) 2 Insert 2 guide pins _:'through mountin.
;KET 807709 .GASKET 807710 LOCATING L_ CLAMPING RING 807T12 PUMP HOU 807711 FIGURE 40 Replacing Pump and Motor Assembly (Manufaclured in ]g78 or Later) 1,, Replace 8077:t0 gasket, DO NOT try to re-use original gasket, Be sure ridges on gasket face downward 2, Place pump and motor assembly in mounting hole in tub bottom.
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 the following operations FIGURE 42 NOTE: .
B 5. Remove hose saddle 6. Remove hoses. 7, Detach inlet hose and reattach it to a new coupler and drain hose assembly Reinstall coupbr and hose assembly in reverse orden Be Certain routing is proper .
Faucet Coupler The fill and drain hoses of a portable dishwasher terminate in a faucet coupler Mos! coupler's are equipped with bleed valves to enable the operator to relieve the water pressure i.
BI-META CAM i FIGURE46 FIGURE 47 Dispensers A. Detergent DL_penser- B/-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,.
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, tine voltage will be indicated when the timer is adv.
Wetting Agent Dispenser - Bi-Metal Operated A completely redesigned supply tank and a Bi-Metal release mechanism are features of this wetting agent eispenser, Elimination of the solenoid reduces the o.
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-Metat is very similar to that for the detergent c.
Timers A Timer OperatiOn D. ELECTRICAl. CONTROLS The timer is the central control point of the electrical components. All timers used on Kenmore Dishwashers are similar in operation and design.
Selector Switches A selector switch on an automatic dishwasher gives the customer the option of choosing the type of wash best suited to the dish load and type of soil Some economy models have this se.
Thermostats and Temperature Indicators A Sam-Wash or High Temperature Wash/Rin.se 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.
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 procedur.
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 temperature TEMPERATURE SENSfNG SURFACE-:':: .
WATER TEMPERATURE OPERATING CHARACTERISTICS iNLET WATER TEMR-140°F W !1 1st WASH ]st RtNSE 2naRIN WASH z nlll 3 rd RIN 4tfi RINSE DRY FIGURE 6 2 Water Heat Option Hot Rinse Option In Figure 62, inlel.
3 SANITIZE DELAY LIGHT CIRCUIT POWER SANI WASH CYCLE SELECTOR FIGURE 63A D Water heat and hot rinse circuits 55.
In Iigure 63B the water heat circuit is shown with 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 .
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 I I .
Figure 63D 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 _ :_<___,__.
Door and Float Switches A. Door Latches and Switches Door switches are safety devices which prevent the dishwasher from operating while the door is open The switch is the first component in the circui.
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 .
E. WIRING DIAGRAMS AND ESTER LINE (CYCLE) CHARTS To propedy diagnose electrical problems associated with your dishwasher, it is important for you to understand the wiring diagram and estertine chart w.
The line shown as BK extends to the tell and is known as the "hot side" of the electrical system It provides a circuit to the door switch and ulumately to all electrically operated component.
COLO_ CODE Dr= ,t_ o D_ To o D To 1N otDv o _o P_D_ _ 'r 1on B_ v to By _ , o * l_ XX 0 NOR MA[WA_ _015 & PAN_ S_NI WASH FILL PHASE" NORMAL CYCLE "_-]_ _ _ _-%_'1 , -.
: Note that the switch numbers on the Ester line chart correspond to switch numbers on the wiring diagram, At the end of the fill phase, the water valve opens as shown by the Ester line chart, and the.
i ,I III FIGURE 70 FIRST WASH NORMAL CYCLE RELAY SWITCH OPENS AFTER MOTOR STARTS B5.
Voltage Checks CA U TION 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 stitl does not tilt.
To determine if the timer is defective, attach the voltmeter lead to point #3 shown in Figure "/! 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.
F. MECHANICAL SYSTEM Door Assemblies The door should never require adjustment, N1isa[ignment between the door and cabinet on built-in machines is usually a result of improper positioning of the attach.
FIGURE 73 B_ Two Piece Outer Door 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.
Anti: Tilt Assembly 38" Portable Models A new anti-tilL device was designed for the 18" dishwasher to prevent overturning with 50 pounds supported on an open door. To remove; refer to Figure 75 1. Disconnect power supply 2 Place dishwasher on its back, 3, Remove spring attaching anti-tilt arm to the rear caster bracket.
S_EP 3 STEP 2 -- S_p4_ _ STEP 1 PLASTIC GUID_ NGE BRACKET FIGURE 76 5 C ARM PIN Racks To remove the upper rack only. remove the end caps at the front of the slides by straightening the metal tabs hold.
UPPER FRONT LOWER REAR ROLLER FIGURE 78 FIGURE 79 'Tub Gaskets The tub gasket is a one-piec_ gasket as shown in Figure 80, The tub gasket is fastened with stainless steel clips,, The illustration.
Press Outward Attach Clip Gasket FIGURE 8! /i_._ScrewdrJver /_Li)P ress Outward ,_ _-_' Flange Attach / __ Lr_ _ Gasket Tub Slot 11 2 Attach d!ps can be positioned in replacement gasket and pressed back into tub slot, See Figure 82 TO REPLACE Apply Pressure To Flange Of Clip.
@ FIGURE 84 4 A revised vent baffle was introduced in t981. 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-o.
Cord Reel The power cord reel bracket is attached to the side of the cabinet or to the bottom channel See Figure 85 for a deta{ted view of this mechanism_ Washer "Spring Reloining Wires A Place Rep[ocemenl Sprin G tn Position Shown &Bracke! -Spring Retoiner .
3 Remove power cord reel attach screws exposed on left side of cabinet Install the replacement power cord reel Wind the reel and cord clockwise to achieve the amount of reel wind- up needed Coil sprin.
NUT _LARGEWASHER ,f '- DISHWASHER FRAME SMALL WASHER t /5EARINGS _CASTER CASTER ASSEMBLY FIGURE 88 Tubs Replacement of a tub requires a complete disassembfy of the dishwasher tf a tub replacement.
G. DRYING SYSTEM Convection Method in the convection method of drying, the air near the energized heating element (hot dry option only) becomes hot and rises The cooler air fafts to the bottom of the .
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 .
B,, GASKET seRE t!1 k A sEMBL' BLOWER PL A*! E BLOWE R ASSEMBLY FIGURE 9.! 3. Move the assembly to the left and lift out.. The blower wheel is pressed onto the motor shaft and can be pried off (c.
5 Remove blower housing assembly _rom under tub 6 Re-install with new gasket 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.
SHEATH ELECTRICAL INSULATION I!EATER SYMBOL HEAT(NG ELEMENT FIGURE 93 Heater Testing Connect the dishwasher electrically, Remove the racks from the tub.
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 [f the "Power M.
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.
!. TROUBLE SHOOTING General Trouble Shooting CA U TION: Always disconnect the dishwashers from the electrical power source before adjusting or replacing components. , +pROBLEM ++- POSSIBLE CAUSE ACTION Dishes not clean, Refer to introductory section at beginning of this manual Dishwasher will not 1.
PROBLEM POSSIBLE CAUSE ACTION Dishwasher omits portion 1 Damaged or defective timer switch or 1 Refer to timer testing of a selected wash cycle cams inside timer case 2. Open circuit between selector switch and timer (Rapid advance timer only.) 2. Refer to wiring diagram and trace circuit for power loss.
PROBLEM POSSIBLE CAUSE ACTION Dishwasher automatically t. Cycle changer button stuck down 1 Release button or replace switch rapid advances through (Models prior to t972 ) entire cycle, Dishwasher wil.
PROBLEM POSSIBLE CAUSE ACTION 1, No loop in drain line., {Undercounter t_ All drain lines must have an elevated Dishwashers) Ioop_ Refer to installation instructions, Drains or water syphons out of dishwasher after a fill for either a wash or rinse. 2_ Drain line connected after "J" trap (undereounter washers).
PROBLEM POSSIBLE CAUSE ACTION Noisy Pump system° 1,, Debris in tub bottom. 1. Clean out pump_ Main motor kicks out repeatedly on overload. Dishwasher will not heat water to required temperature in the thermostat delay periods, Dishes are not dry at end of dry phase,, 2.
PROBLEM Lever won't latch or stay in run position. Detergent Cup won't latch, Detergent cup won't open to release detergent. Detergent does not wash out of detergent cup. Wetting agent tiquid runs out continuously. Wetting agent liquid runs out each time door is opened and closed.
PROBLEM Wetting agent liquid won't eject. Wetting agent dispenser leak (Bi_netal release typelo POSSIBLE CAUSE 1, Wetting agentcup ribs not against door liner. 2. Coil spring or "C'" clip broken. (Solenoid type,) 3, Solenoid defective.
MISCELLANEOUS SERVICE PART NUMBERS 1 Oversize screw for door tatch 2 Oversize screw for ou_er door panel 3 Oversize screw for blower housing 4 Latch kit, 1972 - present (except one piece door models) .
DIV_ 22 SOURCE 587 Part Noo 808353.
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