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Table of Contents
Related Manuals for American Dryer Corp. 20/31
Summary of Contents for American Dryer Corp. 20/31
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Page 1: Service Procedures
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: (508) 678-9000 / Fax: (508) 678-9447 e-mail: techsupport@amdry.com www.amdry.com ADC Part No. 450262... -
Page 2: Table Of Contents
Table of Contents Part Locations and Removal ... 3 Lower Front Panel Removal ... 3 Upper Front Panel Removal ... 3 Top Cover Removal ... 3 Lint Box/Blower Assembly Removal ... 4 Gas Valve/Ignition System Removal ... 5 Oven Chamber Removal ... 5 Gas Valve/Ignition System Components... -
Page 3: Part Locations And Removal
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. -
Page 4: Lint Box/Blower Assembly Removal
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. Unplug three connections at the left of the lint box. -
Page 5: Gas Valve/Ignition System Removal
GAS VALVE/IGNITION SYSTEM REMOVAL: 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. -
Page 6: Gas Valve/Ignition System Components
GAS VALVE/IGNITION SYSTEM COMPONENTS IGNITOR BURNER TUBE GAS VALVE OVEN HOUSING COMPONENTS HEAT SENSOR BURNER HIGH-LIMIT TUMBLER SUPPORT WHEEL ASSEMBLY 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. -
Page 7: Tumbler Alignment
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. -
Page 8: Belt Replacement
BELT REPLACEMENT Shut off electrical power. Disconnect wiring leading to the tumbler support panel. 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 from left and right side of the rear tumbler support panel. -
Page 9: Placing The Belt Back On The Motor Sheave
PLACING THE BELT BACK ON THE MOTOR SHEAVE: REQUIRED ITEMS: 3 foot Section of 1-1/2” Electrical Tubing Replacement Belt To 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 around the tumbler and directly above the motor sheave . -
Page 10: Electrical Component Locations
Electrical Component Locations ELECTRICAL PANEL: The electrical panel is located behind the front upper panel. DOOR SWITCH MICROPROCESSOR ROTATION SENSOR American Dryer Corp. 450262-1... -
Page 11: Fire Suppression System Items, Terminal Block, And Axial Temperature Probe
FIRE SUPPRESSION SYSTEM ITEMS, TERMINAL BLOCK, AND AXIAL TEMPERATURE PROBE Located behind back guard. PRESSURE SWITCH SOLENOID VALVE AXIAL PROBE SAIL SWITCH ASSEMBLY Located behind back guard. 450262-1 EXHAUST PROBE, EXHAUST HI-LIMIT, AND LINT DRAWER SWITCH: Temperature probe and exhaust hi-limit are accessible once the lint box is removed. - Page 12 ADC Part No. 450262 1 - 02/25/05...