One thing missing from the vid' overtightening of grinding wheel compromises the centre, wheel will seperate from the centre in one peice very dangrous with all that high speed inertier ........
Short answer never take them off' been in welding/fab on off site for over 45 year now retired, seen many grinder accidents one of the worst after telling a worker to put the shield back on the 9'' he was using about 10mins after a huge scream went up 9'' cutting disc exploded cutting off 3...
Thanks for the more in depth answer unfortunately i dont have access to a scope you are correct there is a 555 chip but reading from other posts it's the spot/stitch weld timer control , but as i said cant realy work out what does what on the control board,without a diagram BOC seems to be...
i did more or less the same thing on my 110 except i took the lower sill panel off (drilled out rivets ) for more acces ,bit of a balls ache to get off but worth it and who at L/R thought it was a good idea to have alloy and steel in contact with each other ?? .....
trying to help out an old friend with a autolynx loss of welding voltage the issue pretty much suspect voltage control board , after spending hours online cannot find anything wiring diagram wise can anyone help ?? Tia ......