Dishwasher 1

8/8/2019 Dishwasher 1

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STUDY COURSE

UNDERSTANDING DISHWASHER:

MECHANICAL COMPONENTS

Module 1LIT 4314189 Rev. A

DISHWASHER and COMPACTOR


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All rights r eserved. No portion of th is book ma y be repr oduced in any form with out

written permission from WHIRLPOOL CORPORATION.

1990, 1998 WHIRLPOOL CORPORATION

WHIRLPOOL CORPORATION does not assu me an y responsibilityor a ny liability in conn ection with th e use of th is ma nu al.

The trademar ks WHIRLPOOL , , , andFSP ar e registeredtrademarks of Whirlpool Corporation.


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INTRODUCTION

The mat erial presented in th is module is inten ded to provide you with an un dersta nding of the

fundam enta ls of dishwasher an d tra sh m ash er compactor servicing.

Major a ppliances have become more sophisticated, takin g them out of th e screwdriver a nd pliers

category. Their electrical circuits include several different types of automatic controls, switches,

heaters, valves, etc. . Semiconductors, solid-state controls, and other components usually

associated with radio and television electronic circuits are being engineered into automatic

washer s, dryers, dishwash ers, and refrigerat ors.

The appliance technician is emerging into a professional status of his own. He must prepare

himself now to be able to perform his dut ies today as well as to reta in his pr ofessiona lism in th e

future.

No longer is on-th e-job tr ain ing sufficient to prepa re t echnicians for t he complicated pr ocedu res

required for t odays sophisticated applian ces. This tra ining can best be obtained th rough organized

classroom study and application. However, much of the knowledge necessary to service todays

appliances can be obtained through study courses. Completion of this and other courses will

provide you with su fficient un dersta nding of applian ces a nd t heir operat ion t o enable you to do

minor service. It will also serve as a valuable stepping stone to more adva nced study a nd on-the-

job tra ining t o impr ove your servicing skills.

Informa tion contained in t his module is used on WHIRLPOOL appliances. It is separat ed into

two sections for your convenience. Chapter 1 covers porcelain liner models (1986 and older), and

Chapt er 2 covers plast ic liner m odels (1986 an d n ewer).

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CHAP TER 1 ......................................................................................... 3MECHANICAL COMPONENTS for P orce lian Lin er Mode ls-1986 and Older.

CHAP TER 2 ....................................................................................... 1 5MECHANICAL COMPONENTS for P lastic Liner Mode ls-1986 and New er.

*TEST ......................................................See Test Book LIT4314204

*N O T E: We recom m en d t a k i n g t h e TES T for MOD U LE 1, r i g h t

a fter s tud ying i t .

PAGE

TABLE of CONTENTS

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END CAPS

These plastic end caps are located on each side of

th e console escut cheon a nd a re h eld on by screws.

CONSOLE ACCESS

To get to parts behind the console panel, first; open

the door. Remove the screws holding the end caps

then the screws on top and underneath the panel.

Remove the timer knob and dial, and possibly the

ha ndle (screwed on) if used in th is area .

RELEASE LEVER / DOOR LATCH

These parts are located in the middle under the

console and can be removed through the console

access procedure. To remove the lever, pull the pin

holding th e lever to the door latch. The door latch is

held on by screws.

DOOR TRIMS

These parts ar e made of aluminum a nd ar e used on

each side of the door. Not only used for decorative

pur poses it a lso holds the front pa nel on. They can

be removed by removing th e end caps, then remove

the screws holding th e door t rims t o the door fram e.

CHAPTER 1

MECHANICAL COMP ONENTS

(for P orce lain Lin er Mod els : 1986 and Olde r)

REMOVE END

CAP SCREWS

(BOTH SIDES)

SCREWS

LATCH

PIN

LEVER

DOOR

TRIM

SCREWS

CONSOLE

PANEL

SCREWS

CONSOLE

PANEL

SCREWS

END CAP

SCREWS

(BOTH SIDES)UNSCREW TIMER

KNOB ( ) AND

PULL OFF DIAL

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DOOR ACCESS

To get at some part s on the door, one end cap m ust

be removed first, this is screwed in place. Next onth e sam e side, remove th e screws holding th e door

trim on. Slide the door panels (if used) out of the

door frame. Remove the metal clips on each side

then bend the cardboard door barrier down to ex-

pose the par ts.

RETAINER BUTTONS

This par t is located on the door and is used to hold

the silverware and utensil baskets to the door.

These par ts can be rea ched th rough th e door a ccess

procedure. These pa rts ar e held on by screws. When

replacing, make su re th ere is a clear sponge washer

glued to the back of the button to eliminate any

leaking.

WETTING AGENT DISPENSER

This part is located on the left side of the door. It

dispenses a wetting agent just before the final

rinse. This causes water breakdown during rinse.

The water then runs off the dishes and silverware,

leaving fewer or n o spots. This par t can be reached

through the door access procedure. Then open thedoor a nd u nscrew the n ut an d cap (see below).

DETERGENT D ISPENSERLocated on the left side of the door, detergent is

placed either in the open compartment, the com-

partment with a door or both. This part can be

reached through the door access procedure. Then

remove the screws holding t he dispenser to th e door

(see above).

CARDBOARD

BARRIER

WETTING

AGENT

DISPENSER

DETERGENT

DISPENSER

CAP & NUT

CAP

WITH

LID

WITHOUT

LID

WETTING

AGENT

DISPENSER

DETERGENT

DISPENSER

RETAINER

INNER DOOR

PANEL

METAL DOOR

LINERSCREW

SPONGE

WASHER

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BELOW THE TUB ACCESS

On built-in-models, lower parts are accessed by re-

moving screws holding the access panel to the

frame.

To get to some of the lower parts on portable mod-

els, first; remove the a ccess pa nel end caps from t he

hole in t he side trim.

Next, remove th e rubber caps and torsion bar s from

th e access pan el.

Now remove the coverplate which is held on with

screws an d once rem oved, par ts will be exposed.

FLOAT SWITCH

Locat ed inside the t ub in t he right -front corner , this

float r ises as the wat er rises and st ops th e water fill

before it leaks onto the floor. It can be removed

thr ough th e access pan el (see below th e tu b access

procedure). This part is held to the tub by screws.

Make sure the rubber gasket is in place when re-

placing.

SCREWS

ACCESS

PANEL

ACCESS PANEL

END CAPTRIM

HOLE

STUD

DOOR

(OPEN)

ACCESS

PANEL

CAP

TORSION

BAR

SCREWS

(BOTH SIDES)

FLOAT

BOTTOM

OF TUB

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TOP

This top is made of ha rd m aple an d can be removed

by opening the door and removing the screws that

ar e located on each side of th e cabin et.

Lift and slide the top toward the front. This will

release the special screws, in the back of the top,

from t he slots in the cabinet.

DOOR GASKET

This part is moun ted on the tu b between the front of

th e tub an d behind th e door. It acts as a seal to keep

water from leaking out of the dishwasher. Pull the

ru bber down somewhat to expose the meta l retainer

and screws. NOTE: On porta ble models the tub

MUST be supported before removing the gasket.

Remove the access panel (below the tub access pro-

cedure) and place a block of wood under the motor

to keep th e tu b from falling.

NOZZLE CAP

The nozzle cap (see below) is located below the

lower dishrack and screws on, holding the lower

spray arm to the pump a nd motor. It also expands

from water pressure and seals to the bottom of the

tower during the wash cycle. This causes a water

stream u pward, to the upper spray arm . This cap ishollow an d is ma de from a flexible black ru bber boot

with a lar ge center hole.

LOWER SPRAY ARM

This part (see above), located under the lower

dishrack, has domed jets that enable the nozzle

openings to be aimed at wide angles in all direc-

tions. The jet streams from these nozzles give a

balanced combination of water pressure and watervolume to chisel the soil off and give a thorough

washing action t hroughout the t ub without abusing

the dishes.

UPP ER SP RAY ARM

Located on the bottom of the upper dishrack , this

upper spray arm helps eliminate dead spots caused

by large bowls or pots in the bottom rack, blocking

the wat er action to dishes in th e upper ra ck.

TOP

SCREW

(BOTH SIDES)

CABINET

SLOT

THIS SCREW MUST

FIT INTO CABINET

FLANGE NOTCH

(BOTH SIDES)

SEAL

RETAINER

(L.H. SIDE)

RETAINER

(R.H. SIDE)

NOZZLE

CAP

LOWER

SPRAY

ARM

UPPER

SPRAY

ARM

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SPRAY ARM ROTATION

A jet at each end of both spray arms causes the

arms to revolve during wash and rinse. The lower

arm turns clockwise and the upper arm turns

counterclockwise.

LOWER DIS HRACK / TOWER

The lower dishrack rides in and out of the tub by

wheels mounted in each corner. Dishes are placed

in th e ra ck for cleaning.

The t ower is located in th e middle of the ra ck a nd is

used t o keep water in a jet-like str eam, forcing the

water up into the upper spray arm.

SILVERWARE / UTEN SIL B ASKETS

These par ts (see above) are m oun ted t o the door a nd

can be rem oved by lifting th em off the ret ainer but-

tons.

VENT GRILL / VENT S CREEN

The grill on the outside (see above) and the screen

on the inside (see below), are located in the upper

corner of the door. During th e wash an d dr y cycles,

hot air comes out t his opening.

Remove by using a small blade screwdriver, insert -

ing it between the upper part of the vent or screen

an d pry th e tabs out t he holes. To replace, place thebott om in th e slot first , then push th e top part back

un til it snaps int o place.

The vent an d screen a llows air to circulate. This is

required t o dry dishes. Dry room air is pulled in at

the bottom of the door. It flows upward by convec-

tion, picking up moisture from th e wet dishes, an d

escapes th rough the vent an d screen.

TOWER

LOWER

DISHRACK

SILVERWARE/

UTENSIL BASKET

GRILL

SCREEN

ROOM

AIR

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WATER INLET

This par t is locat ed on th e outside of the tub, lower-

left front corner an d creats an air ga p for incoming

water.

By removing the n ut inside the tu b, it can be pu lled

down between the tub and cabinet to be replaced.

Be sure the ru bber gasket is on th e replacement .

DOOR SPRINGS and ADJUSTMENT

This part is located behind the access panel (see

below) on Porta ble models a nd on th e outside frame

on Built-In models.

Adjust the door springs so the door closes easily

without slamming and stays open with its own

weight.

The retainer goes through th e spring and at taches

to the door support at one end an d the frame at the

other end. This spring and retainer supply tension

to the door.

Move the spring down for more tension, up for less

tension.

REQUIRED

INLET

AIR GAP

WATER

INLET

TUBE

TUB

NUT

DOOR

SPRING

LOWER

ACCESS PANEL

SPRING

RETAINER

RETAINER

HIGH

(LESS TENSION)

LOW

(MORE TENSION)

ADJUSTMENT

NOTCHES

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PU MP an d MOTOR (P OWER CLEAN)

The Power Clean P um p washing system includes a

food grinder and system for separating the food

particles from the recirculating wash/rinse water.

The food particles are collected by centrifugal

force in a settl ing chamber. During pumpout(drain) the dr aining a ction of the power clean m od-

ule flush es th e food par ticles down t he dr ain.

WASHING AND RINSING

Operation of the power clean module is as follows:

Water is dr awn int o the power clean m odule by the

clockwise rotation of the wash impeller. This water

is drawn up past the chopper blade, then through

the perforated plate. Any large food particles are

broken down by th e food grinder . THIS P ROCESS

MAY RESULT IN A GRINDING SOUND BEING

HEARD. Items like olive pits or egg shells can re-

sult in a grinding sound being heard for most of a

cycle. If the grinding sound is heard for several

cycles, an item th at can not be ground u p ma y have

gotten into the Power Clean Module.

At the start of wash, the drain impeller rotation

cau ses a sma ll amoun t of pressur e which resists th e

pressure being built up by the wash impeller. This

allows the wash impeller to pressurize the separa-

tor. The pressure actuates the drain valve dia-

phragm, overcoming the resistance of the valve

spring an d closing th e dra in valve. The separ ator is

now isolated from the dr ain pu mp.

The pum p au tomatically separa tes th e soil from the

wat er. This is h ow its done.

The centrifugal force caused by the wash impeller

distributes t he soil on t he inside wall an d is concen-

trat ed in th e annu lar chamber and forced thr ough a

small opening into the separator. The soil in the

concentr at e or slurr y settles out in t he separ ator.

The water leaving the separator is pumped on

through the spray arms. This system quickly re-

moves th e soil from th e water charge.

WASH

IMPELLER

PERFORTED

PLATE

DRIAIN

IMPELLER

PRESSURE FROM

WASH IMPELLER

PRESSURE FROM

DRAIN IMPELLER

SEPARATOR

PUMP

BASE

VALVE

(CLOSED

POSITION)

SMALL OPENING

IN SEPARATOR

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Water in t he separ at or is fed down th e siphon tu be

and ball check, through the inlet base and enters

th e washer impeller chamber th rough a sma ll bleed

hole in its base.

DRAIN

As the m otor pau ses before going into coun ter clock-

wise drain r otation, the wash impeller is no longer

rotating and pressurizing the separat or. The drain

valve (which is n ormally open) opens a nd th e sepa-

ra tor is now open to dra in.

The pressure difference pulls the ball check closed.

Even though the wash impeller is turning opposite

its normal rotation, it still forces a water supply

through the separator, which washes the soil past

the open drain valve and out the dr ain.

TEAR D OWN

IMPORTANT: All seals and/or gask ets t ha t a re ex-

p o s e d d u r i n g p a r t i a l o r c o m p l e t e t e a r d o w n

SHOULD be r eplaced.

See BELOW THE TUB ACCESS PROCEDURE to

disassemble some of th e par ts.

There ar e four rubber grommets securing the pum p

and motor assembly to the underside of the tub.

Rotat e these inwar d 90.

Disconnect the motor harness connectors and the

green ground wire.

Remove the clamp and drain hose off the check

valve, then remove the check valve. NOTE: Thereshould be a round rubber O ring on the check

valve when its rem oved from th e pum p. If not, it

could be stuck in the h ole in th e pum p. It will have

to be removed an d put on the check valve.

Open th e door a nd r emove the lower dishr ack, then

unscrew and remove the nozzle cap, bearing, and

the spray arm.

SIPHON

TUBE

DRAIN

VALVE

TO DRAIN

POWER CLEAN

PUMP

PUMP

BASE

ABOVE THE

TUB

BELOW THE TUB

GROMMETS

(SHOWN ROTATED

INWARD 90)

HARNESS

CONNECTOR

SPRAY

ARM

NOZZLE

CAP

NOZZLEBEARING

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Remove the sump guard, sump screen, or grate,

whichever is used on your m odel.

Remove the pu mp an d motor by pulling up thr ough

th e inside of the tu b.

Remove the screws holding the pump outlet to the

separa tor. Then rem ove the pump outlet.

Remove the impeller screw. Use a wrench on the

hexa gon flats m olded on th e impeller to keep it from

turning when the screw is removed. Then remove

the wash impeller.

Remove the screws holding the separator to the

base.

A leaking drain valve diaph ragm a nd/or a da maged

stopper requires replacing the drain valve stopper,

stem and diaphra gm, and spring.

GUARD/SCREEN

OR GRATE

PUMP

OUTLET

SCREWS

SEPARATOR

SEPARATOR

PUMP

OUTLET

SEALWASH

IMPELLER

WASH

IMPELLER

SCREW

SEPARATOR

SCREWS

STOPPERSTEM &

DIAPHRAGMSPRING

SCREWS

DRAIN VALVE

COVER

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To test, push the drain valve stopper in to seal the

vent hole.

If stopper stays in, the diaphragm is good. If it

comes back out, it is leaking an d mu st be r eplaced.

If the perforated plate is damaged, it must be re-

placed. Remove the screws h olding the inlet base t o

th e bottom of the separ ator. Remove th e gasket lo-

cated in the groove in the inlet base and throw

away.

NOTE : Do not lose th e ball check.

A damaged bushing, chopper blade, and/or spring

can be lifted off th e dra in impeller sh aft.

If the spring retaining holes in the drain impellerare da maged, the impeller mu st be replaced.

NOTE: The dra in impeller an d its mat ing seal head

assembly, must be replaced in pairs.

To replace the drain impeller and seal head assem-

bly, first remove the screw holding the drain cover

to the pump base. Remove the cover then lift the

dra in impeller off th e motor sha ft.

Next pry the seal off the motor shaft. Check the

pump base, if its cracked or dam aged in a ny way,the base mu st be r eplaced. Remove the screws hold-

ing the base to the motor.

SEAL

VENTHOLE

STOPPER

IN

SEAL

VENT

HOLE

STOPPEROUT

INLET

BASE

GASKET

BALL

CHECK

PERFORATED

PLATE

SEPARATOR

MATING TAB

AND NOTCH

DRAIN IMPELLER

SHAFT

PUMP BASE

TO COVER

LOCATING BOSS

DRAIN COVER

INLET SEAL

SCREW

SPRING & RETAINER

HOLE(S) IN

DRAIN IMPELLER

GRIND BUSHING

CHOPPER

BLADE

PUMP BASE

SPRING

(THERE IS ALSO A

BUSHING BETWEEN

THE SPRING AND

THE DRAIN

IMPELLER SHAFT)

SEAL

PUMP

BASE

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A SPECIAL CENTERING TOOL IS REQUIRED

TO REBUILD THIS PUMP ASSEMBLY

Reassemble the pum p base to the motor.

Lubricate the seal head with a non-detergent soap

(DO NOT USE DETERGENT OR PETROLEUM

PRODUCTS) before installing, then u sing th e large

end on the special centering tool, press the seal

down (turning the tool approximately 1/4 turn)

firmly over t he m otor sh aft.

Replace the drain impeller, then screw the drain

cover on th e base.

Assemble the sleeve, spring, chopper and grind

bushing, also make sure the spring is properly as-

sembled to the chopper blade and seated in one of

two retaining holes in drain impeller. Insert new

dra in cover seal.

Assemble new gasket to the inlet base, make sure

the ball check is in its pr oper place, then r eassemble

the perforated plate making sure the tabs are in

locating notches. Assemble the inlet base to the

separa tor with th e two screws by carefully sta rtin g

the screws to avoid stripping. The recommended

way is to turn the screw counterclockwise until you

can feel the threads backing off or bumping, thentur n clockwise to tighten .

Reassemble the separator to the base by using

screws, car efully star ting t he screws to avoid strip-

ping. The recommended way is to turn the screw

counterclockwise until you can feel the threads

backing off or bumping, then turn clockwise but,

DO NOT TIGHTEN yet.

NOTE: THE SMALL END OF THE

CENTERING TOOL MUST BE USED

TO CENTER THE PUMP BASE

TO THE MOTOR SHAFT.

PUMP BASE

RUBBER

GROMMETS

MOTOR

SCREWS

(4-MOTOR TO

PUMP BASE)

TOOL

SEAL

MOTOR

BASE

GRIND

BUSHING

CHOPPER

SPRING

PUMP

BASEDRAIN

COVER

SEAL

DRAIN

COVERSCREW

INLET

BASE

GASKET

BALLCHECK

PERFORATED

PLATE

SEPARATOR

PLATE TAB &

LOCATING NOTCH

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Place the large end of the special centering tool

down over the d rain impeller sh aft so tha t flange of

tool fits into opening of accumulator. This centers

a c c u m u l a t o r t o t h e r e s t o f a s s e m b l y . N o w

TIGHTEN th e screws.

Reassemble the drain valve part s to th e separator.

Reassemble the wash impeller, then the impeller

screw . Rotat e impeller a nd listen for r ubbing noise,

also check to see if impeller can be moved up and

down. If either occurs, parts have been left out or

not tightened dur ing reassembly.

Insert a new pump outlet seal into the separator

retaining groove.

Place the pump outlet cover over the separator

making sure it is seated over the two locating

bosses on the separator. Carefully start the screws

to avoid str ipping. The r ecommended way is t o turn

the screw counterclockwise until you can feel the

threads backing off or bumping, then turn clock-

wise to tight en.

Replace the pum p gasket whenever th e pump a nd

motor a ssembly is rem oved from t he t ub. Lubricate

the gasket with a non-detergent soap.

DO NOT USE DETERGENT OR PETROLEUM

PRODUCTS.

Place the pump and motor back into the tub, and

dont forget t o tur n t he r ubber clamps outwa rd 90.

Replace the check valve an d hook u p th e wiring and

hose conn ections.

TOOL

SEPARATOR

DRAIN

VALVE

SEPARATOR

SCREW

WASH

IMPELLER

PUMPOUTLET

SEAL

SEPARATOR

SCREWS

(OVER LOCATING BOSSES)

SEPARATOR

PUMP OUTLET

COVER

GASKET

RING

(PREASSEMBLED

IN GASKET GROOVE)

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CHAP TER 2

MECHANICAL COMP ONENTS

(for P lastic Line r Mode ls: 1986 and Ne w er)

DOOR P ANEL ACCESS

To cha nge th e door pa nel, slide th e door pa nel up a s

high as possible. Lift up at each end of the trim

piece at the bottom of the door panel and pull the

tr im piece toward you.

Use both hands to bow the panel outward and re-

move the panel from the door. Bow the new panel

outward with th e desired color facing out an d insert

into the door trim. Make sure the door panel and

the spacer fit under the top edge of the door trim.

Hold the panel up and insert the bottom piece. It

will snap down in place. Slide the door panel down

into the bottom t rim piece.

DOOR an d CONSOLE ACCESS

To access th e components in th e door a nd the con-

sole ar eas, r emove the eight (no. T-15) torx screws

which h old th e inner door pa nel to the door fra me

an d console.

RELEASE LEVER / DOOR LATCH

These parts are located in the middle under the

timer cover which can be r emoved by releasing th e

two retaining tabs. Remove the wiring harness

leads. Remove the two switch retaining pins and

remove the switches. The latch lever a nd bolt can

be separat ed at th is time by prying apar t th e lock-

ing tabs an d separa ting th e two pieces.

DOOR

PANEL

LEADS

RETAINING

PINS

RETAINING

SCREWS

PANEL

TRIM

PIECE

SPACER

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TIMER

Remove the t imer wiring har ness. The timer, cam ,

an d cam follower can be accessed by rem oving t he

three timer retaining screws.

NOTE: When reinsta lling the cam , be sur e it isaligned with the keyed shaft on the timer. When

reinstalling the timer, be sure the cam follower

post is p ositioned inside t he cams groove.

DISPENSER MECHANISM

To access the draw bars, first remove the drip

cover. Remove the draw bar spring. Slide the

lower dispenser dr aw bar down a s far a s it will go

to release it from th e locking ta bs.

Remove the upper and lower draw bars. Once they

are r emoved, the upper a nd lower dra w bars can be

separa ted from each other .

TIMER

CONTROL KNOB

CAM

TIMER

CAM

FOLLOWER

TIMER MOUNTING

SCREW (3)

DRAW BAR

SPRING

DRIP

COVER

CAM

TIMER

MECHANISM

STOP

DRAW BAR

(UPPER)

DRAW BAR

SPRING

DRAW BAR

(LOWER)

LOCKING

TAB

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ACTUATOR ASS EMBLY

The actuator assembly can be removed by prying

the bottom with a screwdriver and pivoting the as-

sembly up an d off.

NOTE: When reinsta lling the actuat or assembly,

be sure that the latch is positioned as shown here,

to insure proper operation of the detergent dis-

penser.

WETTING AGEN T

This par t is locat ed on th e right side of the door. It

dispenses a wetting agent just before the final

rinse. This causes water breakdown during rinse.

The water then runs off the dishes and silverware,

leaving fewer or no spots. To remove the wettingagent dispenser, unscrew and remove the wetting

agent cap assem bly. Use a dishwasher special pump

tool to release the locking tabs on the inside of the

door and remove the wetting agent dispenser from

the door.

The wetting agent actuator can be removed from

the wetting agent dispenser by releasing the two

locking tabs a nd rem oving the actua tor.

CAM

TIMER

MECHANISM

STOP

DRAW BAR(UPPER)

DRAW BAR

(LOWER)

ACTUATOR

ASSEMBLY

LATCH

TAB

SPECIAL

TOOLWETTING

AGENT

DISPENSER

ACTUATOR

ASSEMBLY

LOCKING

TABS

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To reassem ble the wettin g agent actua tor assembly,

the components should be replaced in the following

manner.

Insert t he diaphragm in the wetting agent reservoirmaking sure the bottom of the diaphragm is cen-

tered and seated on the seal surface. Insert the

spring into the diaph ra gm. Lock the guide onto th e

reservoir u sing the t wo locking ta bs. Insert the slide

into the guide and press on the end until i t snaps

into the diaphragm. Insert the actuator into the

guide until the actuator snaps over the slide. Snap

the wetting agent dispenser into the inner door

pan el an d replace th e cap.

NOTE: When r einstalling the dispenser mechanism

it is importa nt to cycle the timer thr ough a complete

cycle in order to reset t he dispenser mechanism.

DOOR GASKET

Starting at one end, pull the gasket out of the

groove and remove. Press the new gasket into the

groove, being sure t o position t he gask et so tha t t he

ends a re even with the ends of the groove, oth erwise

leaks will occur .

BELOW THE TUB ACCESS

To access the components under the dishwasher,

the toe panel and access panel must be removed.

Remove th e four access pa nel ret aining screws.

CHECK VALVE

The check valve can be replaced by removing the

hoses and r emoving the r etaining screw.

RETAINING

SCREWS

RETAINING

SCREW

SLIDE

SPRING

DIAPHRAGM

ACTUATOR

METERING

CHAMBER

DOORGASKET

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SOME MODE L S MAY USE T HE POWE R

CLEAN PU MP-SEE P AGE 9; OR SEE B ELOW.

P UMP a nd MOTOR (HORIZONTAL)

To remove the pump and motor assembly, first re-

move the dishwasher from the cabinet. Lay the

dishwasher on its back and disconnect the wiringharness.

Remove the motor support nu t a nd th en remove the

motor support.

Disconn ect t he dr ain h ose coupler from th e tu b an d

disconn ect th e pump inlet h ose from th e pump a nd

motor assem bly.

Open the dishwasher door and remove the lower

rack.

Using an adjustable slip nut wrench, loosen the

pump outlet nu t an d remove the spray arm assem-

bly an d the grommet washer.

The spray arm assembly can be disassembled by

rem oving th e (no. T-20) torx screw on t he bott om of

the assembly. Remove the support bearing assem-

bly, the pum p outlet nut , and th e split ring seal.

SUPPORT

SUPPORT

NUT

PUMP INLET

HOSE

DRAIN

HOSE

LOWER SPRAY ARM

ASSEMBLY

SPLIT RINGSEAL

PUMP OUTLET

NUT

SUPPORT & BEARING

ASSEMBLY

WASHER

BEARING

SHOULDER

SCREW

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At this point the pump and motor assembly can be

removed from the bottom of the dishwasher. The

pump outlet grommet can be removed from the in-

side of the tu b.

NOTE: Check the grommet for wear or dama ge and

repla ce it if necessar y.

Remove the three motor retaining (no. T-20) torx

screws and carefully remove th e motor.

NOTE: When reinstalling th e motor ma ke sure th e

keyed motor sha ft lines up with th e pump impeller.

The pump impeller can be accessed by using theadjusta ble slip-nu t wren ch to remove th e grey disk

mount assembly. The impeller can th en be removed.

The drain valve can be accessed by removing the

four (no. T-20) torx retaining screws by the drain

out let an d removing the cover. From th is point t he

drain cover seal, diaphragm, and diaphragm ring

can be removed an d replaced.

SOIL SE TTLER

Some models m ay cont ain a soil settler assembly. It

is located next t o the pu mp inlet h ose on t he bottom

of the tu b.

It can be accessed by removing the four retaining

screws. Disconnect the hoses and remove the as-

sembly. The funn el grat e, fun nel, ball, and collector

can be easily replaced at t his point .

RETAINING

SCREWS

SLIP-NUT

WRENCH

RETAINING

SCREWS

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Dishwasher 1

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