Maytag Atlantis User Manual

Maytag

MAYTJiC

Washer

Service Manual

16010358

(16009485)

Issued 5/99

Revised 6/01

SAFETY PRECAUTIONS

This manual, as well as the information contained in it, is to be used only by a Maytag Authorized Service Technician. They should be familiar with and knowledgeable of

proper safety and servicing procedures and possessing high quality testing equipment

associated with microwaves, gas, and electrical appliance repair.

All individuals who attempt repairs by improper means or adjustment subject them selves and others to the risk of serious or fatal injury.

USE ONLY GENUINE MAYTAG APPROVED FACTORY REPLACEMENT COMPONENTS.

PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE DANGER AND ELECTRICAL SHOCK:

‘'1

1. Disconnect electrical supply before servicing machine.

2. If electricity is required for a test:

(A) First, disconnect electrical supply;

(B) Second, make any connections or adjustments required for the test;

(D) Fourth, perform the test. If service is required, disconnect electrical

supply before servicing machine.

3. Please use caution when servicing the machine with the front panel removed because there is danger of injury due to potential contact

with spinning transmission.

4. Please use caution when servicing the machine with the front panel removed because there is danger of injury due to contact with a

potential "pinch point” between the turned up edge of the transmission cover and the tub support flange.

INTRODUCTION

The information presented in this manual is printed in a loose format and is divided into

sections relating to a general group of components and/or service procedures. Each section is further subdivided to describe a particular component or service procedure.

Anything of a unique nature concerning these models has been detailed and labeled as

such in the manual.

The subdividing of the subject matter, plus the loose leaf form will facilitate the updating

of the manual as new or revised components are added or new models are introduced.

Each page of the manual will be identified in the lower right-hand corner, and as new or revised pages are published, the manual can easily be updated by following the file instructions on the cover letter of the supplement.

The service manual is a valuable tool and care should be taken to keep it up to date by prompt and proper filing of subsequent pages as they are issued.

Model(s) covered in this service manual:

Brand M=Maytag

MAV4057 MAV7200 MAV4500 MAV7000 MAV5000 MAV7057 MAV5057 MAV7600 MAV6000 MAV7700 MAV6057 MAV8000 MAV6200 MAV8057 MAV6257 MAV8500 MAV6300 MAV8600

Product AV=Automatic Vertical Washer

5000

Model No.

MAV9600

Production

Code

w w

Color Q=Bisque W=White

16010280 (16009485-02)

Voltage W=120VAC/60 Hz-U.S.

Introduction

For additional information on material covered in this manual, including safety issues, contact:

Maytag Appliances Sales Company -

Customer Service

240 Edwards Street, S.E.

Cleveland, TIM 37311

Phone: 423.472.3333

FAX: 423.478.6722

* V

16010280 (16009485-02)

Introduction

INTRODUCTION.................................................................................................Mi

CONTENTS...................................................................................................... iii-vl

SECTION 1. GENERAL INFORMATION

PRE-INSTALLATION REQUIREMENT....................................................................................1-1

ELECTRICAL REQUIREMENTS.............................................................................................1-1

GROUNDING INSTRUCTIONS................................................................................................1-2

UNCRATING INSTRUCTIONS............................................................................................... 1-2

INSTALLATION PROCEDURE................................................................................................ 1-3

FINAL INSTALLATION CHECK LIST.......................................................................................1-5

UNIQUE INSTALLATIONS.......................................................................................................1-5

SPECIFICATIONS....................................................................................................................1-7

CYCLE CHARTS......................................................................................................................1-9

SPECIAL TOOLS....................................................................................................................1-12

..........................................................

1-1

SECTION 2. OUTLINE OF MECHANICAL OPERATION................................2-1

GENERAL INFORMATION......................................................................................................2-1

CLUTCH ASSEMBLY.............................................................................................................. 2-1

DRIVE PULLEY AND CAMS................................................................................................ ..2-3

SECTION 3. EXPLODED VIEW OF COMPONENTS

SECTION 4. CABINET ASSEMBLY COMPONENTS

CONTROL PANEL ASSEMBLY

VERTICAL SWITCHES.............................................................................................................4-2

TIMER REMOVAL

AUTOMATIC TEMPERATURE CONTROL BOARD

TOP COVER ASSEMBLY.........................................................................................................4-3

STANDARD LID ASSEMBLY................................................................................................... 4-4

30 DAY DETERGENT DISPENSER.........................................................................................4-5

DETERGENT DISPENSING.....................................................................................................4-6

CLEANING THE DISPENSER..................................................................................................4-7

FRONT PANEL.........................................................................................................................4-7

REAR ACCESS PANEL........................................................................................................... 4-8

CABINET BODY ASSEMBLY................................................................................................. 4-9

BASE ASSEMBLY....................................................................................................................4-9

STABILIZER ASSEMBLY................................................................................................ .....4-11

TOP COVER TO CABINET HINGE........................................................................................4-12

....................................................................................................................4-2

....

..........................................................................................4-1

................................................................

......................................

.....................................

3-1

4-1

4-3

SECTION 5. WATER - RELATED COMPONENTS.........................................5-1

WATER MIXING VALVE.......................................................................................................... 5-1

WATER INLET FLUME.............................................................................................................5-2

AIR BELL.................................................................................................................................. 5-2

HOSES..................................................................................................................................... 5-2

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Contents

III

TUB TOP.................................................................................................................................. 5-3

AGITTVrOR..............................................................................................................................5-3

INNER TUB.............................................................................................................................. 5-4

OUTER TUB ASSEMBLY........................................................................................................5-4

PUMP ASSEMBLY..................................................................................................................5-5

WATER VALVE INJECTION SYSTEM....................................................................................5-7

STAINLESS STEEL SPINNER ASSEMLY..............................................................................5-9

SECTION 6. SUSPENSION SYSTEM.............................................................6-1

SUSPENSION HOUSING........................................................................................................6-2

TUB BRACES..........................................................................................................................6-2

SUSPENSION SPRINGS......................................................................................................... 6-2

SECTION 7. TRANSMISSION AND RELATED..............................................7-1

SEAL NUT ASSEMBLY...........................................................................................................7-2

UPPER BEARING AND SEAL HOUSING...............................................................................7-2

TUB SEAL................................................................................................................................7-3

TUB SEAL REPLACEMENT....................................................................................................7-3

UPPER SPIN BEARING..........................................................................................................7-4

DRIVE PULLEY AND CAMS...................................................................................................7-4

BRAKE AND SNUBBER ASSEMBLY..................................................................................... 7-7

TRANSMISSION ASSEMBLY COMPLETE (Non-Repairable)................................................7-9

TRANSMISSION HOUSING ASSEMBLY..............................................................................7-10

LOWER BEARING ASSEMBLY............................................................................................ 7-10

DIAGNOSING TRANSMISSION PROBLEMS

TORQUE TESTING...............................................................................................................7-12

TRANSMISSION REMOVAL................................................................................................. 7-14

......................................................................

7-12

SECTION 8. ELECTRICAL COMPONENTS & TESTING

..............................

8-1

ELECTRICAL TEST EQUIPMENT.......................................................................................... 8-1

ELECTRICAL TEST.................................................................................................................8-2

TIMER......................................................................................................................................8-2

TIMER SEQUENCE CHART................................................................................................... 8-3

AUTOMATIC TEMPERATURE CONTROL BOARD

...............................................................

8-4

ANALOG TEMPERATURE CONTROL BOARD DIAGNOSTIC TABLE..................................8-6

MICROPROCESSOR TEMPERATURE CONTROL BOARD

MICROPROCESSOR TEMPERATURE CONTROL BOARD DIAGNOSTICS

.................................................

.......................

8-6

8-7

TIMER LINE SWITCH INPUT................................................................................................ 8-8

TEMPERATURE CONTROL BOARD TEST PROCEDURE {MAV8000 & MAV8057).............8-8

WATER VALVE........................................................................................................................8-8

MOTOR....................................................................................................................................8-9

MOTOR SWITCH.................................................................................................................... 8-9

MOTOR CIRCUIT TESTING.................................................................................................

8-11

MOTOR MOUNTING.............................................................................................................8-13

WATER LEVEL SWITCH.......................................................................................................8-14

SELECTOR SWITCHES........................................................................................................8-16

16010280 (16009485-02)

Contents

OPTION SWITCH...................................................................................................................8-16

WATER TEMPERATURE.......................................................................................................8-17

LID SWITCH...........................................................................................................................8-17

SECTION 9. TROUBLESHOOTING.................................................................9-1

DIAGNOSTIC FLOW CHARTS................................................................................................9-1

SECTION 10. ELECTRICAL SCHEMATICS................................................. 10-1

SCHEMATIC MAV4057,4500................................................................................................10-2

SCHEMATIC MAV5000..........................................................................................................10-3

SCHEMATIC MAV5057..........................................................................................................10-4

SCHEMATIC MAV6000..........................................................................................................10-5

SCHEMATIC MAV6057..........................................................................................................10-6

SCHEMATIC MAV7000..........................................................................................................10-7

SCHEMATIC MAV7057..........................................................................................................10-8

SCHEMATIC MAV8000..........................................................................................................10-9

SCHEMATIC MAV8057........................................................................................................10-10

SCHEMATIC MAV8500....................................................................................................... 10-11

SCHEMATIC MAV6200....................................................................................................... 10-12

SCHEMATIC MAV6257........................................................................................................10-13

SCHEMATIC MAV6300........................................................................................................10-14

SCHEMATIC MAV7200, MAV7600......................................................................................10-15

SCHEMATIC MAV770..........................................................................................................10-16

SCHEMATIC MAV8600........................................................................................................10-17

SCHEMATIC MAV9600........................................................................................................10-18

16010280 (16009485-02)

Contents

NOTES

16010280

(16009485-02)

Contents

SECTION 1. GENERAL INFORMATION

WASHER PRE-IIMSTALLATION

REQUIREMENTS

NOTE: Proper installation is the responsi

bility of the purchaser.

Checkpoints for proper installation:

• Properly grounded electrical outlet is required. Use 15 amp fuse or compa rable circuit breaker for electrical service.

• Standpipe Drain System must be able to accept IVa" O.D. drain hose. In cases where an air tight connection is re quired, an anti-siphoning valve, part number 12001586, should be placed in the drain hose to prevent siphoning from the washer or facility during agitation. Standpipe height of 36" is recommended.

NOTE: if drain standpipe is in excess of 5 feet above floor level, install pump accessory kit, part number 12001587.

Do not store or operate washer in tem peratures below freezing. This can cause damage to the pump, hoses and other components. (See page 1-5 for long term

storage.)

Water pressure of 20 -120 RS.I. is required to fill the washer in the appropriate time

frame. Pressures of less than 20 RS.I. may

cause an extended or exceptionally long

fill time. Refer to the troubleshooting sec

tion for more information regarding a so

lution for slow fill situations.

Best performance is obtained with the washer installed on a solid floor. Wood floor constructions may need to be rein forced to minimize vibration from unbal anced load situations. Carpets and soft tile surfaces are also contributing factors

in vibration and/or movement during the

spin cycle. Never install washer on plat form or weak support structure.

• These units are not equipped with a siphon break, and the drain hose must

be elevated to a minimum height of 36".

For installations with short standpipes, the drain hose must be supported by clipping the drain hose into the clip on the back of the washer. Then a coupler

and additional hose length is added to the existing drain hose.

• Hot and Cold water faucets should be within four (4) feet of the back of the

washer. This allows for quick access for immediate shut off of the water.

Water heater should be set to deliver a

minimum of 120° (49°C) hot water to

the washer.

16009485-01

ELECTRICAL REQUIREMENTS

1. Provide an individual 120 volt, 60 HZ, branch circuit with ground for the washer.

This circuit must be rated for 15 amperes

or more.

2. Protect the washer's electrical circuit with a 15 ampere time delay fuse or circuit breaker.

3. Install in accordance with National Electrical Code and all local codes and ordinances.

Section 1. General Information

1-1

GROUNDING INSTRUCTIONS

The washer must be grounded. In the event of a malfunction or breakdown, grounding will

reduce the risk of electrical shock by provid ing a path of least resistance for electrical current.

The washer is equipped with a power supply cord which has a grounding conductor and three-prong grounding plug. For proper

grounding, the three-prong grounding plug

must be plugged into an appropriate three-

prong grounded receptacle or outlet (see the following figure). The receptacle must be

properly installed and grounded in accor

dance with the National Electrical Code and

all local codes and ordinances.

WARNING: Improper connection of the

grounding conductor or the three-prong grounding plug of the power supply cord may result in an electrical shock hazard. If there is any doubt as to whether the washer is prop

erly grounded, have the installation checked

by a qualified electrician.

DO NOT MODIFY THE PLUG PROVIDED WITH THE WASHER - If the plug will not fit the outlet, have a proper outlet installed by a qualified technician.

WARNING: For your safety and to protect the test equipment, be sure that the wall out let is properly polar ized and grounded.

UNCRATING INSTRUCTIONS

NOTE: The following steps must be per

formed in the correct order to ease uncrating.

1. Remove the carton by cutting only marked areas of the carton. CAUTION: Hoses are

connected to the washer.

2. Lift the carton and top cap assembly up and clear of the washer. Carefully remove any packaging materials from the outside of the washer.

16009485-01

NOTE: Retain the corner posts for later use.

3. Remove tape and raise the washer lid; re move the items shipped in the spin bas ket. Save the literature for future refer ence. Close lid and tape.

4. Position three (3) corner posts on the floor near the rear base of the washer. Place the remaining corner post on the floor approximately two feet away. Carefully lay the washer on its back, on top of the corner posts.

Section 1. General Information

1-2

DO NOT LOWER OR RAISE THE WASHER BY THE CONTROL PANEL

5. Remove the crate bottom from the washer. Pop the plastic loose from the screw lo cated between the back feet, or remove the screw entirely with a screwdriver

(Figure

1-2). Pull the plastic base away from the

back feet. Grasping the plastic base on the sides, pull down and toward you to release

the front feet from the slots and remove the base. Discard the base (it can be re cycled). RETURN THE WASHER TO THE

UPRIGHT POSITION.

Proceed as follows:

1. Place the washer as close to its final oper ating location as possible.

2. Make sure rear feet move up and down freely.

3. Place washer in final location.

INSTALLATION PROCEDURE

NOTE: Proper installation is the respon

sibility of the purchaser.

Service calls performed as a result of im

proper setup, adjustment and connection are the responsibility of the installer.

When the machine is in place, screw front feet out of base against the floor until the

machine is level across the top front of

the washer.

While holding foot still, turn the adjust

ing locknut clockwise until the nut is tight

ened firmly against base (Figure 1-3).

Tilt machine forward until rear of cabi

net is approximately 4 inches off the floor. Lower the machine back to the floor on

the rear feet. This operation causes the

rear stabilizing feet to conform to the con

tour of the floor and seat them solidly.

Push washer with hands on opposite corners to check stability (Figure 1-4).

16009485-01

Section 1. General Information

1-3

7. If the standpipe is less than 36" high, pull the drain hose up vertically and snap the hose into the retaining clip positioned on the upper, rear cabinet wall (Figure 1-5).

8. Install gooseneck end of drain hose into

drain standpipe. Be sure the connection is not airtight between the drain hose and

the standpipe. Standpipe must be at least

36" high. If the hose is twisted after it has been placed into the standpipe, adjust the end of the hose to remove the twist. To remove the twist, turn the short end of the hose while holding the base of the

hose stationary (Figure 1-6).

9. The drain hose should fit loosely in the standpipe to prevent siphoning. (An anti siphon valve and associated parts are available from your dealer, part number

12001586.)

SERVICE

UNIT

LAUNDRY

TUB

STANDPIPE

NOTE: Be sure the drain hose is not twisted or kinked.

16009485-01

SL297TIF

Figure 1-7

Section 1. General Information 1-4

10. Secure the drain hose to the standpipe or drain facility with the cable strap pro

vided. This will ensure the drain hose will

not fall out of the drain facility

(Figure 1-7).

SIDE VIEW OF WASHER

11. Connect inlet hoses to water supply us ing screen washers at faucet connections,

with the domed plastic screen facing the faucet (Figure 1-8). Tighten hose con

nections by hand until snug. Then, turn another 2/3 of a turn with the pliers.

At Faucet Connection

0=^333

At Water Valve Connection

SL2S5T1F

Figure 1-8

12. With hoses attached to both the faucets and the water valve, turn on the water and check for leaks. Note the H and C desig

nations on the water vaive bracket for the Hot and Cold hoses.

Tub

Water Level

Figure 1-9

FINAL INSTALLATION CHECK LIST

1. Have all installation requirements been observed?

2. Have locknuts on front feet been tightened?

3. Are there any kinks in the hoses?

4. Are any water leaks evident?

UNIQUE INSTALLATIONS

13. Plug the power cord into an outlet.

14. Start the washer in a spin cycle per oper ating instructions to center basket.

15. Start the washer in a wash cycle per oper

ating instructions. Allow water to fill in machine until it reaches the level of the bottom row of holes in the wash basket. Then, stop the washer by pushing on timer

knob.

16. If the water is not level with the bottom

row of holes all around the basket (Figure

1-9), readjust the leveling feet as required

to level. Remove the water by selecting a

spin cycle.

16009485-01

Painted/Sloped Basement Floors - Apply non slip discs, part number 211692, to the floor di rectly under the rubber feet of the washer.

Carpeted Floors - Apply carpet installation discs, part number 204986.

Weak Floors - Install rear legs with plastic grommets, part number 12001577, to be inserted into base frame to substitute for the self adjusting legs.

Cold Storage or installations - Installation in any location subject to freezing temperatures is not recommended. If the washer must be

installed in such a location, it should be thor oughly drained after each use as follows:

Section 1. General Information

1-5

• Turn off hot and cold water faucets.

• Disconnect both water inlet hoses at the faucets. Lower them to the floor.

• With the service cord connected to the electrical outlet, rotate the timer to the

normal start or fill position and pull timer knob to start washer. Turn water tempera

ture selector switch to warm.

• When water stops draining from the hoses, disconnect service cord.

• Lower the drain hose to the floor and al low it to drain into a floor drain or shallow pan.

In below-freezing temperatures, ice may form in the "fill" flume and the pump. Raise the room

temperature and allow time for the ice to melt

before using the washer.

16009485-01

Section 1. General Information

1-6

SPECIFICATIONS - WASHER

CAPACITY

ELECTRICAL

MOTOR

POWER USAGE

TRANSMISSION

WATER USAGE

HOSE LENGTHS

DIMENSIONS

3.2 Cubic Feet

120 Volts, 60 Hz; Requires 15 amp circuit breaker or fused electrical supply.

Power cord must be connected to a properly grounded and polarized outlet

1/2 H.P., reversible, 2 Speed, 115 volt, 60 cycle A.C. Motor Input: During Agitation* -480 Watts Max. (Fast) 370 Watts Max.

(Slow) During Pump Out* - 760 Watts (Fast) 510 Watts Max. (Slow)

Spin - 460 Watts (Fast) 340 Watts (Slow)

[‘Wattage readings taken with no clothes in spinner.]

Rack and pinion type, incorporating reduction gears

Water pressure should be 20 - 120 P.S.l. (1.06-8.44 kg/cm) at inlet hose

connection. (SEE PAGE 1-8 FOR MORE DETAILS)

Four foot inlet hoses with inlet washers attached to water valve. Drain hose attached to pump and will accommodate 36" high drain stand pipe.

Cabinet Dimensions: 27" (68.58cm)W x 27 (68.58cm)D x 43 3/8" (110.2cm)H

Vi#’

WEIGHT (Approx.)

FINISH

16009485-01

Uncartoned 160 lb. (72.6 kg.) Approx. Crated 185 lb. (84 kg.) Approx.

Top Cover - Porcelain

Lid - Porcelain Outer Tub - constructed entirely of polypropylene

Spin Basket - polypropylene Cabinet - baked enamel

Base and other finished parts - baked primer

Section 1. General Information

1-7

Setting

Mini Medium High Super 23.3

^Allowable variations are plus or minus 1/2 inch.

Gallons

10.5

14.1

19.5

AGITATOR SPEED

*Depth

Inches

6" 8 1/2“ 5“

11" 7“ 13 1/2“ 9 1/4"

Perforations

*Basket

3 1/2“

Regular Cycle 88 Oscillations per minute

Slow (Delicate) Cycle 57 Oscillations per minute 155 Degree Arc

155 Degree Arc

SPIN SPEED

Regular Cycle

Slow (Fine Wash) Cycle 410 R.RM.

TABLE 1-1. AMPERAGE CHART

WATER

CYCLE Agitate-Regular Full Tub 10.4 Agitate-Slow Full Tub Agitate-Regular

Spin-Regular Spin-Slow DryTub Pump Out-Regular Pump Out-Slow Full Tub

LEVEL

DryTub 7.5 DryTub 10.2

Full Tub

620 R.RM.

♦AMPS

7.6

10.8

8.0

TABLE 1-3. WATTAGE CHART

♦WATTAGE

CYCLE

Agitate-Regular

Full Tub 610-640/670 (MAX.)

Agitate-Slow

Full Tub

Agitate-Regular

DryTub 460^70/480 (MAX.)

RANGE

370-400/420 (MAX.)

COMPONENTS

Timer Motor

Mixing Valve

Cold Solenoid /Vof Solenoid Drive Motor

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TABLE 1-2. RESISTANCE CHART

♦RESISTANCE

(OHMS)

2360

500-1000

853 867

High Speed

Low Speed

Start 3.1

* These values can vary slightly.

1.3

2.3

Agitate-Slow DryTub 350-360/370 (MAX.)

Pump Out-Regular

Pump Out-Slow

Spin-Regular

Full Tub

Spin-Slow

Full Tub 340

* These will vary with washer load and line voltage.

Section 1. General Information

760

510

460

1-8

CYCLE CHARTS

COLORS

Function

Agitate Agitate Spin Agitate Spin w/Spray

SUPERWASH COLOF

Function

Agitate Agitate Slow

Speed (Min.)

Fast

Slow

Fast

Slow

Fast

Speed

Fast

Heavy Option

Selected

Normal Light Option Selected (Min.) (Min.)

9 9 6 6 9

Heavy Option Selected (Min.)

18 12 9

3 0 9 9 6 6 6 9

Normal Option Selected (Min.)

Option Selected

Light Option Selected (Min.)

0 Spin Fast Agitate

Spin w/Spray Fast

Slow

6 6

6 6 9

WHITES

Heavy

Option Option

Selected Selected

Function

Agitate Agitate Slow

Spin w/Spray Fast Agitate Fast 6 6 6 Spin

Speed (Min.)

Fast

12 6

9 6 6

Normal Light

Option Selected

(Min.) (Min.)

9 9

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Section 1. General Information

1-9

SUPERWASH WHITES

Heavy Option Selected

Function

Agitate

Speed

Fast

(Min.)

Agitate Slow 0 Spin w/Spray Fast 6 Agitate Fast 6 Spin

Fast

DELICATES

Heavy Option Selected

Function Speed

Agitate

Slow

(Min.)

Normal Option Selected (Min.)

0 0 6 6 6 6 9

Normal Option

Selected (Min.)

3 0

Light Option Selected (Min.)

Soak

Not Applicable

Agitate Slow

Soak Not

Applicable

Agitate Slow

Spin w/Spray Slow Agitate Slow Spin

Slow

0 0

0 0 0 0

3 0

3 3 3 3

3 3 6

3 3

6 6

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Section 1. General Information

1-10

SUPERWASH DELICATES

Heavy Option

Selected

Function

Agitate

Speed

Fast

(Min.)

Not

Soak

Agitate

Applicable 0

Slow

Not

Soak

Agitate

Applicable

Slow

Spin w/Spray Slow 0

Agitate Slow 0

Spin

Slow

Normal

Option

Selected

(Min.)

0 3

Light

Option Selected (Min.)

3 0

3 3

6 6

3 3

6 6

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Section 1. General Information

1-11

SPECIAL TOOLS

All special tools are manufactured by Robinaire with the exception of the 35-2442 Brake Removal Tool and 35-2968 Spanner Wrench - Basket Hub. These tools are privately manu factured for and stocked by Customer Service.

NOTE: The tools listed below can be ordered from any authorized Customer Service parts

distributor.

Brake Removal Tool, Part Number LA-2004

Spanner Wrench-Basket Hub, Part Number 35-2968

Spring Tool, Part Number 22002922

Seal Removal Tool, Part Number 2000021

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Section 1. General Information 1-12

SECTION 2. OUTLINE OF MECHANICAL OPERATION

GENERAL INFORMATION

NOTE: The rotation directions, stated in this outiine, view the component from its ouiiev end.

The washer utilizes a reversible type motor which turns clockwise during the agitate

cycle and counterclockwise during the spin cycle.

A single belt is used to transmit power from the motor pulley to the drive and pump pul

leys.

CLUTCH ASSEMBLY

The transmission drive pulley, which drives the transmission drive shaft and hub assembly,

and the pump pulley which drives the pump impeller, are in operation whenever the mo

tor is running. The transmission assembly converts the

power from the motor to either drive the agi

tator or spin the basket. The direction the

clutch assembly rotates determines which action takes place.

Washer-Thrust Hub

Figure 2-1

CLUTCH ASSEMBLY

The clutch assembly (Figure 2-1) consists of the drive shaft and hub assembly, clutch

spring, and input pinion with gear lock assem bly. The gear lock mechanism is part of the input pinion. The drive shaft serves only as a bearing surface for the drive pinion to revolve on. No direct drive is imparted from the shaft directly to the pinion. The inside diameter of the clutch spring is designed so that when the

drive shaft is driven in a clockwise direction.

16009485-01

the clutch spring tightens on the two hubs and becomes a positive link between them. When the drive shaft hub runs counterclockwise, the clutch spring relaxes in an override situation. While in override, or relaxed position, the

clutch spring still maintains a drive link be tween the two hubs. The override tension, or torque, is used to drive the spin basket. The

gear lock mechanism consists of two "wings" that project out from the input pinion.

Section 2. Operation

2-1

Transmission

' Housing

Assembly

Lower Bearing And Housing — Assembly

Oil Seal ■

Suspension

Housing

Brake Spring Retainer

Retaining Ring

Drive Tube Splines

Drive Shaft Splines

Thrust Bearing

Washer (Curved)

Outer Edge

Turned Up

I Drive Pulley I Assembly

Lower Cam ■

Spacer

Washer (thin)

~ Upper Race

)>^Washer (thick)

Lower Race

Washer (thin) Thrust

Brake Rotor

And Lining Assembly

Brake Stator

Figure 2-2

Retaining

Ring

-Thrust Washer

■Dust Cap

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Section 2. Operation

2-2

When the drive pinion rotates in a clockwise direction, the gear lock mechanism exerts no force on the input pinion. When the input pin ion starts to revolve counterclockwise the "wings" drop into dents in the lower housing

preventing the pinion from turning.

DRIVE PULLEY AND CAMS

OPERATION: AGITATION

When the drive pulley rotates CLOCKWISE, the upper and lower cams are designed to nest together which allows the drive pulley to re

main in position on the drive shaft. The brake

remains engaged and the drive pulley will turn the lower cam and drive the shaft to cause the transmission to agitate.

The drive pulley and cam is located below the brake assembly on the drive shaft

(Figure 2-2).

All models are equipped with a plastic drive

pulley which has the upper cam molded

onto the bottom of the hub. The purpose of the pulley and cam arrangement is to drive the clutch assembly during the agitate and

spin cycle, and to disengage the brake

assembly during the spin cycle.

The drive pulley slips over the drive shaft and

rests against a series of washers, a thrust

bearing, and a large washer type spacer. The

spacer locates against the bottom of the

brake rotor and lining assembly (See the

illustration on page 7-6).

The lower cam slips over the end of the drive

shaft where splines formed in the cam en

gage with mating splines on the drive shaft

end. This imparts a direct drive from the cam

to the drive shaft.

A shoulder molded on the bottom of the

pulley hub engages “dogs" formed on the sides of the lower cam, and will drive it and

the drive shaft in either direction.

The agitation is due to the clockwise (agitate)

rotation of the drive shaft and the hub assem

bly as it is transmitted to the input pinion by the clutch spring. The input pinion meshes with the dual cluster gears which, in turn mesh with the dual crank gears (Figure 2-3). The

circular motion of the dual crank gears are con verted to the oscillating action of the agitator

shaft by the dual rack gears. The rack gears

have a stud that drops into the crank gears.

These rack gears are contained by a rack car

rier. Any tendency of the transmission to turn, or "creep," is prevented by the engaged brake assembly located on the under side of the suspension housing.

OPERATION: SPIN

When the drive pulley rotates COUNTER CLOCKWISE, the upper cam and pulley ride

up the lower cam approximately 3/16 of an

inch before the driving shoulders on the pul

ley hub engage the "dogs" on the lower cam. This causes the top of the pulley hub to push

against the spacer which compresses the

brake spring and lifts the brake rotor and lin

ing assembly off the brake stator. The brake

is disengaged and the pulley will turn the lower

cam and drive shaft to cause the transmission to spin.

A washer and retaining ring secure the pul

ley and cam on the drive shaft. A plastic dust cap snaps to the underside of the pulley to keep the cam surfaces clean.

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A nylon cam, along with a special drive pul

ley, provides a cam action which raises the drive pulley during the counterclockwise (spin) rotation of the motor (Figure 2-2). As

the drive pulley hub moves up, it compresses

a brake spring and lifts the brake rotor and lining assembly, disengaging it from the sta

tor. The transmission is now free to spin.

Section 2. Operation

2-3

The counterclockwise rotation of the drive

shaft and hub assembly causes the clutch spring to relax into an override position. The clutch spring still exerts a driving force to the input pinion even when it is in the override position. As this driving force of torque starts

to turn the input pinion in a counterclockwise

direction, it causes the "wings" of the gear lock mechanism to drop into dents on the lower housing. This prevents the input pinion from

revolving in the counterclockwise direction.

Therefore, the torque being delivered by the

clutch spring is exerted against the transmis sion housing, causing the entire assembly to rotate. The washer basket is mounted to the basket drive hub which is secured to the trans mission cover assembly, and revolves as part of the transmission. In this direction, the pump assembly will drain the water out of the unit.

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Section 2. Operation 2-4

Rack Gear

Carrier

Transmission

Cover

Agitator

"shaft

Output

^ Pinion

Lower Seal

Bearing

Housing

Transmission

Housing

Input Pinion

Crank

Gear

—Wings

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Figure 2-3

Section 2. Operation 2-5

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Section 2. Operation 2-6

SECTION 3. EXPLODED VIEW OF COMPONENTS

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Section 3. Exploded View Of Components 3-1

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SL315TIF

Section 3. Exploded View Of Components 3-2

SECTION 4. CABINET ASSEMBLY COMPONENTS

WARNING

Warning - Always shut off electrical power to the washer before beginning any service repair proce dures.

CONTROL PANEL ASSEMBLY REMOVAL

1. Disconnect power to the unit.

2, Remove the three screws securing the

console rear cover plate across the rear top edge of the console (Figure 4-7).

5. Push the bottom of the console toward the back panel to disengage the six locking

feet from the top cover (Figure 4-3).

6. Carefully lift and roil the console forward onto the top cover. You now have access

to the console components and wiring

(Figure 4-4).

3. Lay a drop cloth across the top cover of the washer.

4. Grasp the top of the console and gently

rock the top forward (Figure 4-2).

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Figure 4-4

To Reinstall: Roll the console back into an

upright position, engaging the locking feet into the slots in the top cover. Replace the

three screws to attach console back to rear

panel.

Section 4. Cabinet Assembly Components 4-1

VERTICAL SWITCHES (Push Button)

REMOVAL

1. Depress the tab at the top of the switch with a screwdriver to disengage the tab from the console. Pivot the switch away from the console to remove (Figure 4-5).

REPLACEMENT

1. Align the rib on the bottom of the switch with the slot in the console. Pivot the

switch up into the console until the tab en gages the console securely. Check that the locating tabs on either side of the switch's lower alignment rib are in position to prop erly center and lock the switch into the lower part of the switch opening.

3. Disengage the console assembly from the top cover and roll forward (See Console

Removal).

4. Remove timer mounting screws under the timer knob.

5. Lift the timer away from the console.

TIMER REMOVAL - All MAV Models Except MAV8500

1. Disconnect power to the unit.

2. Carefully lift the timer knob cap from the timer knob and pry the clip retainer from the timer shaft. Lift the dial and knob off the timer shaft by pulling away from the face of the control console (Figure 4-6).

REPLACEMENT

1. Reverse steps 1 through 5.

TIMER REMOVAL - MAV8500 Models

1. Disconnect power to the unit.

2. Remove the knob cap.

3. Gently pry the locking pin up and lift the timer knob off the dial skirt.

4. Lift the dial skirt off the timer shaft

(Figure 4-7).

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Section 4. Cabinet Assembly Components 4_2

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