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American Dryer Corp. 20/31 manual

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Table of contents for the manual

  • Page 1

    Se rvice Procedures for the Model 20/31 D ryers Electric and Hot Surface Ignitor Gas ADC Part No. 450262 American Dryer Corporation 88 Currant Road Fall River MA 02720-4781 USA Telephone: (508) 678-9000 / Fax: (508) 678-9447 e-mail: techsupport@amdry.com www.amdry.com[...]

  • Page 2

    T able of Contents Par t Locations and R emo val ........................................ 3 Lower Front Panel Removal ............................................................. 3 Upper Front Panel Removal ............................................................. 3 T op Cover Removal ...........................................................[...]

  • Page 3

    450262-1 www .amdry .com 3 P ar t Loca tions 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 lift the panel up and away from the dryer . LOWER FRONT PANEL REMOV AL: Remove the lint drawer . Remove the four screws located just below the loading door . T ilt [...]

  • Page 4

    4 American Dryer Corp. 450262-1 Remove screws and nuts at the rear of the lint box. Unplug wires from the capacitor . 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. T[...]

  • Page 5

    450262-1 www .amdry .com 5 GAS V A L VE/IGNITION SYSTEM REMOV AL: Be sure to shut off the gas main and then proceed to remove electrical connections and screws indicated. Remove lower front panel. Disconnect union and screws noted with arrows. The gas valve and burner orifice can now be carefully pulled toward the front of the dryer . Be sure to pu[...]

  • Page 6

    6 American Dryer Corp. 450262-1 TUMBLER SUPPORT WHEEL ASSEMBL Y REPLACEMENT : The front wheel assemblies can be replaced with the lower front panel removed. Remove the three bolts by reaching upward with a socket or box wrench. The illustration below is provided to show the location of these wheels as the wheels cannot easily be seen while standing[...]

  • Page 7

    450262-1 www .amdry .com 7 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. The front to bulkhead may be checked for accuracy by using a thickness gauge. The rear gap is not accessible. Marking the position of the rear wheel brackets before removi[...]

  • Page 8

    8 American Dryer Corp. 450262-1 BEL T REPLACEMENT Shut off electrical power . Disconnect wiring leading to the tumbler support p anel. Remove the back guard, top, and the exhaust support bracket. Unbolt and remove the thrust washers from the rear of the tumbler shaft. While someone holds the tumbler through the loading door remove all six screws fr[...]

  • Page 9

    450262-1 www .amdry .com 9 PLACING THE BEL T BACK ON THE MOT OR SHEA VE: REQUIRED ITEMS: 3 foot Section of 1-1/2” Electrical T ubing Replacement Belt T o stretch the belt back onto the sheave involves using a two foot length of 1-1/2” electrical tubing (Fig. 1). Preparing the end of the tubing as shown makes it easier to use. Position the belt [...]

  • Page 10

    10 American Dryer Corp. 450262-1 Electrical Component Locations ELECTRICAL P ANEL: The electrical panel is located behind the front upper panel. DOOR SWITCH MICROPROCESSOR ROT A TION SENSOR[...]

  • Page 11

    450262-1 www .amdry .com 11 ELECTRIC OVEN 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. The lint drawer switch can be removed after the cover has been removed. FIRE SUPPRESSION SYSTEM ITEMS, TERMINAL BLOCK, AND AXIAL TEMPERA TURE PROBE Located behind b[...]

  • Page 12

    ADC Part No. 450262 1 - 02/25/05[...]