ADC AD-464 Service Manual

ADC AD-464 Service Manual Manual pdf 95 page image

91SECTION XIPENDANT ASSEMBLYA. PENDANT ASSEMBLY DESCRIPTIONThe pendant assembly is used on both the gas and steam model dryer. Within the pendant assembly there is athree (3) position selection switch used to tilt the dryer in the load tilted, unload tilted, or level position. When theload tilted or unload tilted selection is made, the load/unload door will open once the door signal has been received,and the dryer will tilt. The jog forward/jog reverse push buttons, when depressed individually, will cause thetumbler (basket) to turn clockwise (CW) for forward and counterclockwise (CCW) for reverse. If both pushbuttons are depressed together the jog feature is disabled due to the mechanical interlock with the pendantassembly. This feature is used as a safety device to prevent both drive motors from being energized in oppositedirections.The EMERGENCY STOP (E STOP) button is a push-to-stop and twist-to-release switch. When the E STOPbutton has been depressed the control power to the dryer is disabled. Voltage is still present at the dryer eventhough the EMERGENCY STOP (E STOP) has been depressed.1. Pendant Assembly Switcha. Pendant Assembly Switch Replacement1) Discontinue electrical service to the dryer.2) Remove the four (4) screws that secure the pendant body together.3) Mark and identify the wires that will be removed for proper reinstallation.4) Remove the wires from the contact block being replaced.6) Reestablish electrical power to thedryer.5) To install new contact block,reverse Step #4 thru Step #2.

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