Gentlemen,
Thank you for your time.
The gap between the brush box and the commutator is 2.7mm (within specification). No RTV has been used anywhere near the unit as far as I can make out (its not part of our standard repair kits or usual procedures either).
Brush Grade is as specified by the...
Gents,
Thank you.
We have recently had a few problems with this machine, but it has run without issues for years before that.
There always has been and will be oil in the atmosphere, we do have filters in the cooling air flow but they are not able to perfectly remove all the oil vapour...
I have a DC generator which keeps defying our maintenace team.
In short: some of the brushes keep getting stuck in the holders. They will travel towards the generator but we are not able to pull them out without removing the brush box. This makes wear checking a big exercise.
However the last...
Photo of a PCB with Norlog parts: These parts are like the ones I've obtained, and have similar, but not the same, part codes.
http://www.vintage-icl-computers.com/icl44bc
Mine are like the smaller of the two shown at the bottom of page 8 of this document...
Thank you Skogsgurra. Interesting.
The units I have has 8 Norlogs each, the ID codes are XZ, XZA, XZB or XZC. All are used as Comparitors, however I can't locate spares (hardly a big suprise). But I have been sent some Norlogs but these have other codes and I'm not sure if they will work...
Dear all,
I hope you can help.
I am trying to repair an old part from a historic vehicle. It contains a number of English Electric Norlog encapsulated circuits. These are green plastic about 2.5cm each side and stand around 1cm high.
A fairly thorough websearch has revealled that they were...
