Hi All,
I have an Ilford 500H Multigrade Head on a Durst 138 Enlarger. I have recently been experiencing issues with the halogens blowing out at a rate of one per 3 prints or something extremely fast. After some great feedback here and on the Large Format Photography Forum, I have purchased two new bulb chassis, and I want to install them, but am looking for some instructions, schematics, or if it exists a video tutorial on how best to disassemble the head and replace the bulb chassis. Many Thanks!