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TROUBLESHOOTING & REPAIR
CASE FRONT KNOBS - REMOVAL AND REPLACEMENT PROCEDURE
Removal
Side View
(Pull)
(Pull)
Knob |
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(Push)
Section
Master
Removal:
(Push)
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1.Rotate the handle portion of the knob to an approximate vertical orientation (switch detent may position handle a few degrees off vertical). This orientation should be noted and repeated at replacement for proper "D" shaft orientation.
2.With one hand, grasp the very bottom of vertical handle and push towards the machine nameplate and pull down. At the same time and with the other hand, grasp the very top of the handle and pull the top edge of the knob away from the machine nameplate. The knob should "peel" away from the nameplate and the white nylon holding fingers of the knob base, from top to bottom.
Replacement
Rounded
Flat
Replacement:
1.If the white nylon cam of the detent mechanism is removed from it's spring loaded base by the above procedure or intentionally, it should be returned before the knob replacement is attempted. Press the cam into it's spring loaded holder so it sets flat and flush (Selector Switch Only).
2.Orientate the knob handle to the vertical as noted above and position the knob over the base, centered and parallel.
3.Press the knob onto the "D" shaft and white nylon holding fingers, maintaining the parallel position. The knob should "click" into place and should not pull off with normal operation.
