Light bulb comes on and off. Bulb is good as I changed it and the same happens. Has gotten worse and stays off longer now. Bernina 801 sport
You should probably replace the bulb. If the filament is broken, the heat will cause it to open and close as it heats, expands, then breaks contact and cools again. This could also be a problem in an internal connection that is intermittent. Heat causes expansion of parts and that expansion breaks the connection and the flow of electrical current. When it cools off, it makes contact again and the process repeats itself. As the point of break in the current wears from repeated heating and cooling, the contact widens and the time takes longer.
This problem will likely be at a connector, the switch, the bulb socket, or in the bulb itself.
SOURCE: I have bernina sport 801 machine and need to know
You can oil any two metal parts that move togeather or through each other. Do not oil bearings and do not oil gears. Do not use 3 in 1 oil or WD-40. Use regular sewing machine oil.
801's were made from 1979 - 1982. The way Bernina dated these on the machine is by the serial number. Your number would probably start with a 0 or a 1. 1970 is a 0, 1971 is 01, 1980 is 1, 1981 is 11, 1990 is 2, 1991 is 21 etc. etc.
Rick
SOURCE: I have a bernina sport 801 and the fabri feeder
There is a small knob on the lower part of the main body under the stitch length lever. This controls the feed dog up or down. Make sure that it turns easily and fully to both positions. If it does and your problem persists, the feed dog height adjusting point is probably loose. A knowledgeable repair person needs to look at it. It is not a difficult repair, but several approaches need to be taken.
SOURCE: How do I change the light bulb in my Bernina 1000?
You need a little rubber hose that fits over bulb to twist or pull it out, else use some blue tac to grip it with.
SOURCE: how do I change the
There is a small brown screwdriver/gadget that came in your accessory box included with the Bernina 1230. At one end, it is black plastic with a small point coming out of it. That end is used for tightening or loosening the screw that holds the needle in place. On the opposite end (brown on mine) it is hollow. This hollow end is pushed up and onto the lightbulb. (The bulb fits into the hollow.) Push up (firmly) and twist to the left to remove the light. To replace the bulb, insert the new one into the hollow spot on the holder and push it up and into the receptacle - twist to the right to lock it in place. There are actually two light bulbs, the one on the right is covered by a diffuser, but they both use the same procedure. It's easy to do and you are meant to be able to do it yourself. The pictures and instructions are on page 51 of the Bernina Guide. Hope this helps.
SOURCE: How do I change the
The machine should have came with a light bulb tool, to help you get it out.
Very very hard to do that with out the tool.
You can get it at your local bernina dealer, or they should change it for free.
Does that machine have a power switch on the back top of the machine, there is a good chance that if it does it is bad. They go bad all the time. Some dont have the switch.
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