We bought this old HBS-12A automatic bandsaw. For few weeks it was working fine and then a problem appear. It will not push material in automatic mode. Head of the saw will rise and nothing happens. That saw uses some basic electronics to control it. There is a switch at the rollers that push the material. One switch for the head when it drops and one switch for material length adjustment. Rollers will push the material if we press "forward" button manually. We know there is a mercury switch at the height adjustment knob. Is it possible it will prevent the machine from working because it sits unleveled?
Also it's not always like that. Sometimes it will cut fine for half hour and then the problems occurs again.

Similar Threads: