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Replacing shaft
Unscrew the black plastic nut, note it has a left hand thread so unscrews clockwise.
Remove the old shaft and fit replacement.
Spare nuts are included.
Flexible shaft Black plastic nut Steel nut
If a shaft fails check the condition of the plate, it may be a good time to replace the complete unit.
Reasons for Shaft failure
Almost all shaft failures are caused by not following the instructions.
If the tool is used correctly shaft failures are rare, and usually occur after years of heavy use.
When the tool is not presented at right angles to the surface the shaft bends backwards and forwards on each rotation of the tool, up to 3000 times per minute. It can take this for a limited time but with prolonged misuse the high tensile steel wires in the shaft break due to metal fatigue.
Dust also dries out the oil on the center of the shaft and during storage dampness or condensation may start rusting in the wire core. As well as weakening the metal the rust particles act as an abrasive causing further damage when next used. To prevent this oil the center of the shaft occasionally.
Old version
Flexidiscs older than about 15 years had a different shaft design with two identical steel nuts.
The old design is no longer made but a new style shaft can be adapted to fit. (more details)
There is no need to purchase a new shaft if you have just need either of the two nuts.
We can supply spare nuts
Remove shaft from Locate plate pip into Our way to hold it when tightening nut Ensure nut is tight
packing container hole in shaft Note nut has a left hand thread
if not supplied
carded.