Assessments - 3, GPA: 4
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Loosen the tension bolts. Remove old V-belts. Reverse these steps to replace V-belts. NOTE: Always replace V-belts in pairs. Motors To Replace Drive Motor Discontinue electrical power to the dryer. Remove the lint drawer. Remove the lint door. Remove the left lint wall. Remove the drive V-belts. Follow V-belt replacement from motor to speed reducing shaft. Loosen the four bolts securing the motor to the base of the dryer. Disconnect the motor wiring. 18 American Dryer Corporation 450431-3 450431-3 19 Remove old motor pulley and bushing and place on new motor. Follow “To Replace Motor Pulley”. Reverse these steps to replace drive motor. To Replace Impellor Motor (Fan Shaft Drive – 50/60 Hz Gas and Steam Models) Discontinue electrical power to the dryer. Remove the lint drawer. Remove the lint door. Remove the left hand lint wall. Loosen the four mounting bolts securing the motor. Loosen the tension bolts. Remove V-belts. Disconnect motor wiring. Remove the motor pulley and bushing. Reverse these steps for installation of new motor. To Replace Fan Shaft and/or Fan Shaft Bearings To remove from the front, follow the instructions from “To Replace Impellor Motor”. Remove the two left-handed jam nuts that hold the impellor to the fan shaft. Remove the impellor, washers, and the key. Loosen the four bolts securing the fan shaft assembly to the base of the dryer. NOTE: Models with rear access, it may be easier to remove this plate, to remove the two rear fan shaft assembly bolts. Remove the fan assembly through front access hole. Loosen the setscrews in each bearing. Loosen the four flange bolts and two pillow block bolts. Using a pulley, remove the bearing needing replacing. Reverse the procedures to reinstall new bearing. Impellor Discontinue electrical power to the dryer. Remove the left side lint wall if necessary for easier access. Remove the six nuts securing the inlet cone to the blower housing. Remove the two left-handed jam nuts that hold the impellor to the fan shaft. Remove the impellor, washers, and the key. Replace the impellor, key, washers, left-handed jam nuts, and the side panel. Reestablish electrical power to the dryer. Lint Drawer Assembly To Replace Lint Screen Pull out lint drawer. Remove lint screen from lint drawer. Drop new lint screen in place. Slide lint drawer back into dryer. To Replace Lint Drawer Switch Disconnect electrical power to the dryer. Remove lint drawer and lint door. Disconnect both 4-pin connectors at the rear of the lint switch cover. Remove the one or two screws holding the lint switch cover on. Remove lint switch cover and disconnect the two terminals of the switch. Remove switch by pressing tabs together and push switch out. Install new switch by reversing procedure. Troubleshooting ______________________ 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 standards. The information provided will help isolate the most probable component(s) associated with the difficulty described. The experienced technician realizes, however, that a loose connection or broken/shorted wire may be at fault where electrical components are concerned...and not necessarily the suspected component itself. IMPORTANT: When replacing blown fuses, the replacement must be of the exact rating as the fuse being replaced. The information provided should not be misconstrued as a handbook for use by an untrained person in making repairs. WARNING! All service and troubleshooting should be performed by a qualified professional or service agency. While making repairs, observe all safety precautions displayed on the dryer or specified in this manual. No L.E.D. display on microprocessor controller (computer)... Open circuit breaker switch or blown fuse. Tripped blower motor overload. Faulty wiring connection. Faulty transformer. “Emergency Stop” (E-Stop) button is depressed. Faulty microprocessor controller (computer). Computer will not accept keypad entries... Keypad ribbon is not plugged into computer securely. Faulty keypad. Faulty microprocessor controller (computer). Dryer will not start, but computer L.E.D. indicators are on... Failed contactors. Failed arc suppressor board. Failed microprocessor controller (computer). Failed motors. Blower motor runs, burner is on, but tumbler will not turn... Broken, damaged or loose V-belt. Damaged or misadjusted drive wheels. Loose or broken pulley. Dryer operates but is taking too long to dry... Improperly programmed microprocessor controller (computer). An inadequate exhaust ductwork system. Restriction in exhaust system. Insufficient make-up air. Dirty or clogged lint screen. Washing machine extractors are not performing properly. The supply gas may have a low heating value, check with local gas supplier. Failed temperature sensor (temperature calibra...
Este manual também é adequado para os modelos :Secadores - ML-190 (1.52 mb)