American Dryer Corp M31 User Manual

Service Procedures

f or the

Model M31, M50, M75 Dry er

Hot Surface Ignitor Gas

American Dryer Corporation

88 Currant Road

Fall River MA 02720-4781 USA

T elephone: [phone] / Fax: [phone]

e-mail: [e-mail]

www .amdry.com

Part No. 450280

Retain This Manual in a Safe Place for Future Refer ence

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.

We have tried to make this manual as complete as possible and hope you will find it useful. The manufacturer
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 .

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

For your convenience, log the following information:

DATE OF PURCHASE ______________________________________________ MODEL NO. ____________________________

DISTRIBUTOR’S NAME ___________________________________________________________________________________

SERIAL NUMBER(S) ______________________________________________________________________________________

M31,M50,M75

_______________________________________________________________________________________________________

_______________________________________________________________________________________________________

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

American Dryer Corporation

88 Currant Road

Fall River MA 02720-4781 USA

Telephone: [phone] / Fax: [phone]

e-mail: [e-mail]

www.amdry.com

“IMPORT ANT NO TE T O PURCHASER”

Information must be obtained from your local gas supplier on the
instructions to be followed if the user smells gas. These instructions
must be posted in a prominent location near the dryer .

IMPORTANT

You must disconnect and lockout the electric
supply and the gas supply or the steam supply
before any covers or guards are removed from
the machine to allow access for cleaning,
adjusting, installation, or testing of any equipment
per OSHA (Occupational Safety and Health
Administration) 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.

T able of Contents

Part Locations and Removal ................4

Lower Front Panel Removal ......................................... 4

Upper Front Panel Removal ......................................... 4

T op Cover Removal....................................................... 4

Lint Box/Blower Assembly Removal............................. 4

Gas V alve/Ignition System Removal............................. 5

Gas V alve/Ignition System Components ...................... 6

Oven Housing Components.......................................... 6

Tumbler Support

Wheel Assembly Replacement .................................... 6

Tumbler Alignment ....................................................... 7

“Caution: Label all wires prior to disconnection
when servicing controls. Wiring errors can cause
improper operation.”

«Attention: Lor des opérations d’entretien des
commandes étiqueter tous fils avant de les
déconnecter. T oute erreur de câblage peut étre
une source de danger et de panne.»

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.

Belt Replacement ........................................................ 8

Placing the Belt ........................................................... 8

M31Belt Replacement.................................................. 9

Placing the Belt ........................................................... 9

Electrical Component Locations........10

Electrical Panel ......................................................... 10

Sail Switch and Axial Probe Assembly ...................... 10

Exhaust Probe, Exhaust Hi-limit,

and Lint Drawer Switch ...............................................11

FOR Y OUR SAFETY

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.

Par t Locations and Removal

LOWER FRONT PANEL REMOVAL:

Remove the lint drawer. Remove the four screws
located just below the loading door. Tilt the top of
the panel out and lift the panel up and away from the
dryer.

For Models M31,M50,M75

UPPER FRONT PANEL REMOVAL:

Remove the four screws located just above the top
loading door. Tilt the bottom of the p anel out and lift
the panel up and away from the dryer .

For Models M31,M50,M75

TOP COVER REMOVAL:

First remove the back guard, the four screws holding
top cover. Next pull top cover toward the rear of the
dryer and lift up.

For Models M31,M50,M75

LINT BOX/BLOWER ASSEMBLY REMOVAL:

Unplug the motor harness.
For M31, remove two screws above the lint drawer.

For M50, M75, also remove two screws beneath the
gasket on the left and right side of the lint drawer.
Also, unplug the exhaust temperature probe.

Tilt the bottom of the panel out and lift the p anel up.
Align support rod into hole to support control panel.
Disconnect the electrical connections. Remove
screw from hinge to remove the control panel.

Unplug two connections on the exhaust hi-limit at
the left of the lint box. Also disconnect the two
connections for the lint drawer switch, located at the
back of the lint box. The lint box may now be pulled
out through the front of the dryer.

DOOR

SWITCH

SUPPORT

ROD

4 American Dryer Corporation 450 280- 1

For Models M31,M50,M75

LINT DRAWER

SWITCH

EXHAUST

HI-LIMIT