Maytag MLG-45 User manual

MLG-45

Service Manual

Maytag Co.

Benton Harbor, MI

1-800-662-3587

Part No. 450386-1

2 Maytag Co. 450386-1

Retain This Manual in a Safe Place for Future Reference

This product embodies advanced concepts in engineering, design, and safety. If this product is properly

maintained, it will provide many years of safe, efficient, and trouble free operation.

Only qualified technicians should service this equipment.

OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation

manual included with the dryer.

The following “FOR YOUR SAFETY” caution must be posted near the dryer in a prominent location.

FOR YOUR SAFETY

Do not store or use gasoline

or other flammable vapors

and liquids in the vicinity of

this or any other appliance.

POUR VOTRE SÉCURITÉ

Ne pas entreposer ni utiliser d’essence

ni d’autres vapeurs ou liquides

inflammables à proximité de cet

appareil ou de tout autre appareil.

“IMPORTANT NOTE TO PURCHASER”

Information must be obtained from your local gas supplier on the

instructions to be followed if the user smells gas. These

instructionsmust beposted ina prominentlocation nearthe dryer.

Wehavetriedtomakethismanualascompleteas possible and hope you willfindituseful. Themanufacturer

reserves the right to make changes from time to time, without notice or obligation, in prices, specifications,

colors, and material, and to change or discontinue models. The illustrations included in this manual may

not depict your particular dryer exactly.

IMPORTANT

For your convenience, log the following information:

DATE OF PURCHASE ________________________________________________ MODEL NO. _____________________

DISTRIBUTOR’S NAME _______________________________________________________________________________

SERIAL NUMBER(S) __________________________________________________________________________________

____________________________________________________________________________________________________

For replacement parts, contact the distributor from which the dryer was purchased or contact:

Maytag Co.

Benton Harbor, MI

1-800-662-3587

MLG-45

450386-1 Maytag Co. 3

Table of Contents ________

List of Acronyms _____________________

DSI Direct Spark Ignition

OSHA Occupational Safety and Health Administration

IMPORTANT

You must disconnect and lockout the electric

supply and the gas supply or the steam supply

beforeanycovers orguards areremovedfrom

the machine to allow access for cleaning,

adjusting, installation, or testing of any

equipment per OSHA standards.

Please observe all safety precautions

displayed on the equipment and/or specified

in the installation manual included with the

dryer.

CAUTION

Dryer(s) should never be left unattended while

in operation.

“Caution: Label all wires prior to disconnection

when servicing controls. Wiring errors can

cause improper operation.”

«Attention: Au moment de l’entretien des

commandes, étiquetez tous les fils avant de

les débrancher. Des erreurs de câblage

peuvent entraîner un fonctionnement

inadéquat et dangereux.»

WARNING

Children should not be allowed to play on or

near the dryer(s). Children should be

supervised if near dryer(s) in operation.

Under no circumstances should the dryer door

switch(es), lint door/drawer switch(es), or heat

safety circuit(s) ever be disabled.

The dryer must never be operated with any of

the back guards, outer tops, or service panels

removed. Personal injury or fire could result.

The dryer must never be operated without the

lint filter/screen in place, even if an external

lint collection system is used.

FOR YOUR SAFETY

Do not dry mop heads in the dryer. Do not

use dryer in the presence of dry cleaning

fumes.

The dryers must not be installed or stored

in an area where it will be exposed to water

and/or weather.

The wiring diagram for the dryer is located

in the front electrical control box area.

Parts Locations and Removal ............................... 4

Computer Panel Assembly Removal................... 4

Computer Board Removal................................... 4

Lint Drawer Removal........................................... 4

Door Switch Removal.......................................... 5

Top or Bottom Front Panel Removal................... 5

Lint Door Switch Removal................................... 5

Burner Hi-Limit Removal..................................... 6

Idler Arm Removal............................................... 6

Main 18” Pulley Removal .................................... 6

Temperature Sensor/

Basket Hi-Limit Removal..................................... 6

Sail Switch Removal ........................................... 6

Ignitor Probe Assembly Removal ........................ 7

Flame-Probe Removal ........................................ 7

Rotation Sensor Removal ................................... 7

Basket/Tumbler Support Removal ...................... 7

Check Tumbler

Lateral and Vertical Adjustments......................... 8

Tumbler Alignment (Lateral)................................ 8

Motor/Impellor Removal...................................... 9

4 Maytag Co. 450386-1

Parts Locations and Removal ________

NOTE: Disconnect power to the machine at all times

before removing or installing any components!

Computer Panel Assembly Removal

Remove the four screws holding the middle trim panel to

the dryer. Lift out on the panel and then pull down on the

computer panel assembly.

Pull the panel towards you, then align the hinge bracket in

the hinge bracket slots.

At this point you can disconnect the connectors that are on

the boards and totally remove the complete panel from the

dryer.

Computer Board Removal

Follow instructions for computer panel removal. Disconnect

all connectors connected to the board.

Remove the four hex nuts securing the computer to the

computer panel. Then remove the computer and remove

the Phillips screw securing the computer and computer baord

cover.

Lint Drawer Removal

Unlock the lint drawer (if equipped with a lock) pull out the

lint drawer 3/4 out, under the lint drawer is a rocker type

locking mechanism push up on one end of this rocker type

lock and remove it completely.

450386-1 Maytag Co. 5

Door Switch Removal

Open the main door. Remove the two Phillips head screws

attaching the door switch housing to the front panel.

Disconnect the two wires on the door switch. Remove the

two hex head nuts (and associated nuts and star washers)

holding the door switch to the door switch housing.

Top or Bottom Front Panel Removal

Top Panel: Remove the lint drawer. Remove the computer

panel assembly. Remove the four screws for middle trim

panel then the ten screws holding the panel to the dryer. Lift

up and pull out the panel about 8-inches or so.

Disconnect the door switch wires (yellow wires) from the

connector, connected to the connector on the side of the

wrapper. Totally remove the panel from the dryer.

Bottom Panel: Remove the lint drawer. Remove the ten

screws (this is the bottom only) on the front panel and remove

the four screws for bottom trim panel. Lift up and pull out

the panel about 8-inches or so. Disconnect the door switch

wires (yellow wires) from the connector, connected to the

connector on the side of the wrapper. Totally remove the

panel from the dryer.

Lint Door Switch Removal

Remove the lint drawer. Remove the one screw that is

holding the lint door switch, pull out the lint switch, disconnect

the two wires on it. Replace the switch.

➞

6 Maytag Co. 450386-1

Idler Arm Removal

Loosen the two 9/16” bolts holding the idler arm to the

machine. Remove the two belts. Remove those two 9/16”

bolts the idler arm will now come away from the machine.

Take off the idler pulley by loosening the two setscrews on

the idler pulley and pull it off the idler shaft.

Main 18” Pulley Removal

Remove top or bottom back guard panel. Loosen the two

9/16” bolts on the idler arm. Note position of the arm for

reinstallation.

Remove the upper 18” pulley belt. Loosen the two setscrews

on the 18” main pulley.

Remove the pulley. Install new pulley in reverse make sure

the setscrews on the new 18” pulley are tight.

Temperature Sensor/

Basket Hi-Limit Removal

Burner Hi-Limit Removal

Remove top or bottom back guard panel. Remove the two

red wires on the burner hi-limit switch. Remove the two

screwsholding theburner hi-limitswitch tothe dryer. Remove

the hi-limit switch.

Remove the lint screen (see instructions on lint screen

removal).

Remove the three TORX®head screws holding the

temperature sensor bracket to the lint screen rail.

Disconnect the 6 Pin connector from the bracket.

Remove the bracket assembly from the machine.

At this point you can remove the basket hi-limits and

thermistor by removing the two screws and nuts and washers

holding it in place.

Also, disconnect the two wires going to the hi-limits.

Sail Switch Removal

Remove the back guard. As shown in picture remove the

two hex head screws.

The sail switch box assembly will now come apart in two

pieces.

Remove the screws/nuts associated with the sail switch and

remove it from the bracket.

450386-1 Maytag Co. 7

Ignitor Probe Assembly Removal

Remove the back guard, disconnect the orange boot from

the DSI module by simply pulling off.

Remove the one Phillips head screw that is holding the ignitor

probe to the ignitor bracket.

Remove black plastic ring protector from the ignitor bracket

and remove ignitor and wire from the machine.

Flame-Probe Removal

Remove the back guard, disconnect the white single

connector on the flame-probe.

Remove the one Phillips head screw on top of the ignitor

bracket holding the flame-probe. Pull the probe up and out

of the machine.

Rotation Sensor Removal

Remove the bottom nut on the rotation sensor. Lift the

rotation sensor up and through the hole in the bearing box.

Disconnect the rotation sensor two pin connector. Remove

from the machine.

Basket/Tumbler Support Removal

8 Maytag Co. 450386-1

1. Remove lint screen assembly (refer to instructions).

2. Remove front panel assembly (follow “To Replace Front

Panel Assembly”).

3. Loosen setscrews on front tumbler bearing.

4. Using a wheel puller gently push the tumbler shaft

towards the front through the front tumbler bearing.

NOTE: an alternate method would be to place a block

of wood on the end of the tumbler shaft and strike it

with a heavy hammer. To prevent damage to the shaft,

the wheel puller method is preferred.

5. Remove the tumbler and support through the front of

the dryer.

a. Remove the bolt in the center of the tumbler back

wall.

b. Loosen and remove the nuts and washers from the

tumbler tie rods. Remove the rods.

c. Replace either tumbler or tumbler support by

reversing the procedure.

6. Reassemble components into dryer by reversing steps

1 through 4.

7. Check tumbler lateral and vertical alignment. Also,check

belt tension and alignment.

NOTE: Check tension of belts and alignment of

tumbler before operating dryer.

Check Tumbler

Lateral and Vertical Adjustments

3. Loosen the four hex head bolts on the sides of the

bearing box (two on each side).

4. Back off jam nuts on the two Allen head adjustment

screws.

5. Turn the screws clockwise evenly to raise the tumbler

or counterclockwise evenly to lower the tumbler.

6. Rotate the tumbler from the front and check alignment

with the main door opening.

7. Leave a large gap from the inside ring on the top of the

front panel opening to the tumbler, and a smaller gap on

the bottom to compensate for the weight of the clothes

drying.

9. Replace back guard.

10. Reconnect power to dryer.

Tumbler Alignment (Lateral)

1. Discontinue power to the dryer.

2. Remove back guard.

3. Loosen the two hex head bolts, (one turn is enough),

that holds the pillow block bearing to the bearing box.

4. Back off the two jam nuts on the side adjustment bolts.

Now rotate the tumbler from the front of the dryer,

checking the space between the tumbler and the front

panel. This should be equal on the left-hand and right-

hand side.

8. Tighten the four hex head bolts on the sides of the

bearing box, and the twoAllen head adjustment screws.

450386-1 Maytag Co. 9

1. Remove back guard.

2. Remove drive belt.

3. Disconnect wiring harness from motor.

IMPORTANT: If top pocket is being replaced, ductwork

on the side of the motor mount must be removed.

4. Remove nuts and washers holding the motor mount to

the rear of the dryer and pull motor mount away.

5. Remove the two left-hand nuts on the motor shaft

retaining the impellor. Work the impellor free from the

motor shaft by means of a puller to prevent damage to

the motor shaft.

6. Remove the bolts holding the motor and install on new

motor.

7. Remove pulley from old motor and install on new motor.

5. Lateral adjustment (viewing from the rear)

a. Loosening (byturning counterclockwise) the left-hand

adjustment bolt and tightening (by turning clockwise)

the right-hand adjustment bolt will shift the basket to

the right.

b. Loosening (by turning counterclockwise) the right-

hand adjustment bolt and tightening (by turning

clockwise) the left-hand adjustment bolt will shift the

basket to the left.

6. Tighten and secure both adjustment bolts and jam nuts.

7. Tighten the bearing box bolts.

Motor/Impellor Removal

Notes ______________________________________________________

____________________________________________________________

Part No. 450386 1 - 11/04/08 - 0

Table of contents

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