I have an old Enco 135 table feed (Model # 205-6215) on my mill, which has been giving me problems. At low speed it has been very erratic, so I decided to replace the rheostat speed controller. I found a new rheostat, but noticed that there was a 820 ohm resistor across legs 2 and 3 on the old one. The local electronics emporium does not carry 820 ohm resistors and the counter guy said just use a 1K. I am wondering if this advice is correct? I am an electronics lite weight and wonder if I should seek out an 820 ohm or if a 500 or 1000 would be adequate. My problem with the feed is on the low end. I don?t know if the rheostat was just shot or if slightly increasing the resistance would be beneficial or detrimental on the new rheostat. Of course I have no schematic or manual on the drive. Do any of you electronics wizards have any sage advice?
Jake in Escondido randall (at) fontaine-etal.com