Instruction/ maintenance manual of the product AD-20 American Dryer Corp.
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Ser vice Pr ocedur es f or the Model 20 Dr y er s (AD-20, SL20, CG20, D20, and STI-8 Dryers GEN II) ADC Part No. 450261.
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.
IMPORT ANT Y ou 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.
4 American Dryer Corp. 450261-2 Pa r t Locations and R emo val UPPER FRONT PANEL REMOV AL: Remove the four screws located just above the loading door . T ilt the bottom of the panel out and lif t the panel up and away from the dryer . LOWER FRONT PANEL REMOV AL: Remove the lint drawer .
450261-2 www .amdry .com 5 BACK GUARD REMOV AL: Remove all facing visible screws. TOP COVER REMOV AL: With the back guard removed, the top is removed by pulling it toward the rear of the dryer and up. LINT BOX / BLOWER ASSEMBL Y REMOV AL: Unplug wires from Direct S park Ignition (DSI) module.
6 American Dryer Corp. 450261-2 LINT BOX / BLOWER ASSEMBL Y REMOV AL (continued): Pull the lint box down from the front and out slightly . T o remove motorized impellor assembly , remove five screws and four nuts shown at the arrows. Unplug three connections at the left of the lint box.
450261-2 www .amdry .com 7 GAS V AL VE REMOV AL: Be sure to shut off the gas main and then proceed to remove electrical connections and screws indicated. Disconnect union and U-Bolt located just behind the union and the oven base. The U-Bolt is more easily accessed through the rear of the dryer .
8 American Dryer Corp. 450261-2 TUMBLER SUPPORT WHEEL ASSEMBL Y REPLACEMENT : The front wheel assemblies can be replaced with the lower front panel removed.
450261-2 www .amdry .com 9 TUMBLER ALIGNMENT : Proper alignment is achieved by making the gap between the tumbler and openings in the front and rear bulkheads equal on all sides.
10 American Dryer Corp. 450261-2 Electrical Component Locations ELECTRICAL P ANEL: The electrical panel is located behind the front upper panel. OVEN CONT ACTOR: Lower right front of the dryer (electric oven models). DOOR SWITCH: On upper front panel.
450261-2 www .amdry .com 11 FIRE SUPPRESSION SYSTEM ITEMS AND SAIL SWITCH: Rear of the dryer . DIRECT SP ARK IGNITION (DSI) MODULE: Lower right front of the dryer to left of the lint box. FLAME-PROBE: Under the gas oven and accessed from the rear of the dryer .
12 American Dryer Corp. 450261-2 EXHAUST PROBE, EXHAUST HI-LIMIT , AND LINT DRA WER SWITCH: T emperature probe and exhaust hi-limit are accessible once the lint box is removed.
450261-2 www .amdry .com 13 Belt Installation Remove the back guard, front upper panel, and front lower panel. Cut the locking end off the plastic wire tie and use a piece of electrical tape to secure the wire tie to one end of the 4-foot section of electrical wire (Fig.
14 American Dryer Corp. 450261-2 Pull the belt up through the tumbler felt until there is enough belt to begin to loop the belt around the tumbler (Fig. 7 and 8). T ape the belt to the outside of the tumbler with duct t ape approximately 2-inches from the outside edge of the tumbler (Fig.
450261-2 www .amdry .com 15 Pulling the belt through the tumbler felt gap will tend to flip the felt. Before pulling the last few inches out of the tumbler , lace the electrical wire back through the loop in the belt (Fig.
ADC Part No. 450261 2 - 09/15/05 - 1.
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If you already are a holder of American Dryer Corp. AD-20, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime American Dryer Corp. AD-20.
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