Now your first mistake was to assume I was "Fitting" a roller shutter (been there done that nearly lost the fingers
)
No No that would be too simple
I was making a roller shutter out of MDF and Broom handles (don't ask why life is to short to explain it
)
Things went well until something jammed and the whole lot buckled at the top and then suddenly released
All kidding aside we found a screw embeded in the wall afterwards and were picking bits up for days after
my old guvnor was covered in sawdust when a lump took out the extract unit bag and I was a mass of bruises for weeks after
The bang it made was awsome I had ringing in my ears for 2 hours after
But that was tame compared to the Helicopter Router incident
As for lubrication I found silicon grease to work well and it dosen't pick up the rubbish as much
Jason