American Dryer Corp STI-8, D20, AD-20, SL20, CG20 User Manual
Service Procedures
for the Model 20 Dryers
(AD-20, SL20, CG20, D20, and
STI-8 Dryers GEN II)
ADC Part No. 450261
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.
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. ________________________
RESELLER’S NAME ______________________________________________________________________________________
SERIAL NUMBER(S) ______________________________________________________________________________________
_______________________________________________________________________________________________________
_______________________________________________________________________________________________________
Replacement parts can be obtained from your reseller or the ADC factory. When ordering replacement part s
from the factory , you can F AX your order to ADC at (508) 678-9447 or telephone your order directly to the ADC
Parts Department at (508) 678-9000. Please specify the dryer model number and serial number in addition
to the description and part number, so that your order is processed accurately and promptly.
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 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 .
Table of Contents
Part Locations and Removal ................ 4
Lower Front Panel Removal ......................................... 4
Upper Front Panel Removal ......................................... 4
Back Guard Removal ................................................... 5
T op Cover Removal....................................................... 5
Lint Box / Blower Assembly Removal........................... 5
Gas V alve Removal ...................................................... 7
Oven Removal .............................................................. 7
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: 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.
Tumbler Support Wheel Assembly Replacement ......... 8
Tumbler Alignment ....................................................... 9
Electrical Component Locations........ 10
Electrical Panel ......................................................... 10
Oven Contactor .......................................................... 10
Door Switch ............................................................... 10
Fire Suppression System Items and Sail Switch ........11
Direct Sp ark Ignition (DSI) Module ..............................11
Flame-Probe ...............................................................11
Flame-Probe Positioning.............................................1 1
Exhaust Probe, Exhaust Hi-Limit, and Lint Drawer
Switch........................................................................ 1 2
Rotation Switch ......................................................... 12
Belt Installation ................................... 13
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.
Placing the Belt Back on the Motor Sheave............... 1 5
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.
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.
4 American Dryer Corp. 450261-2
BACK GUARD REMOV AL:
TOP COVER REMOVAL:
Remove all facing visible screws.
With the back guard removed, the top is removed
by pulling it toward the rear of the dryer and up.
LINT BOX / BLOWER ASSEMBLY REMOVAL:
Unplug wires from Direct Spark Ignition (DSI)
module.
450261-2 www.amdry.com 5
Remove screws and nuts at the rear of the lint box.
Unplug wires from the capacitor.
Loading...