American Dryer Corp 20-31 User Manual

Service Procedures

for the

Model 20/31 Dryers

Electric and Hot Surface Ignitor Gas

American Dryer Corporation

88 Currant Road

Fall River MA 02720-4781 USA

Telephone: [phone] / Fax: [phone]

e-mail: [e-mail]

www.amdry.com

ADC Part No. 450262

Table of Contents

Part Locations and Removal ........................................ 3

Lower Front Panel Removal............................................................. 3

Upper Front Panel Removal............................................................. 3

T op Cover Removal ......................................................................... 3

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

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

Oven Chamber Removal.................................................................. 5

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

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

Tumbler Support Wheel Assembly Replacement .............................. 6

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

Belt Replacement ............................................................................ 6

Placing the Belt Back on the Motor Sheave...................................... 9

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

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

Fire Suppression System Items, T erminal Block,

and Axial T emperature Probe......................................................... 11

Sail Switch Assembly..................................................................... 11

Exhaust Probe, Exhaust Hi-Limit, and Lint Drawer Switch .............. 11

Oven Contactor.............................................................................. 11

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

Part 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.

TOP COVER REMOVAL:

First remove the back guard, then pull top cover
toward the rear of the dryer and lift up.

UPPER FRONT PANEL REMOVAL:

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

450262-1 www.amdry.com 3

LINT BOX/BLOWER ASSEMBLY REMOVAL:

Remove screws and nuts at the rear of the lint box.
Unplug wires from the capacitor.

Remove two screws just above the lint drawer and
pull the lint box down from the front and out slightly .

T o remove motorized impellor assembly , remove the
five screws and four nuts, shown with arrows.
Remove cover and pull the motorized impellor
assembly out through the opening.

Unplug three connections at the left of the lint box.
The lint box may now be pulled out through the front
of the dryer.

4 American Dryer Corp. 450262-1