SDS chuck problems

[Adam_151]

Just wondered if anyone here had a solution to the following problem,

Recently the chuck on my 24v Bosch SDS started playing up, it'll seem to stick sometimes when I put the bit in, the collar will press down, the bit will go in, and the collar will seem to spring back up a bit, but the bit won't be gripped, and I'll have to press the collar down a few times, before it will spring back up properly and click and grip the bit, it seems that something is sticking!

Is it safe to try lubricating the chuck (and with what type of oil?)

I hope the chuck isn't wearing wearing out, its only about 5 months old!

 

[seaangler]

if its that new then take it back to where you bought it and get it sorted under warranty, If you bought if off the net ( as in mail order) then you'll have to sort postage ( a very good reason for buying local)

 

[disinfo]

You should be lubricating the chuck pretty much every time you use it by applying a small amount for grease onto the SDS bit before you insert it.

http://shop.ebay.co.uk/items/_W0QQ_nkwZHILTIQ20GREASEQQ_armrsZ1QQ_fromZQQ_mdoZ

 

[Symptoms]

Adam - it'll be bunged-up with old grease and grit probably. Clean it's innards in a slosh tank (a knotted plakka bag will do) of paraffin or petrol. Give it a good slosh about to dislodge the cr*p. Dry when clean - leave it to stand on kitchen paper but not on the kitchen bench or Mrs Adam will complain. A tiny squirt of WD40 down the hole and all will be well.

 

[Adam_151]

Thanks for the advice, I found a tube of grease in the box (silly me, I'd picked it up once when I first got the drill, saw the picture saying to put it on bits and not in the machine) and assumed it was just some kind of oil to stop the bits rusting )

Anyway, put it on the shank of a bit and inserted it a few times and it seems fine now

If it hadn't fully cured it, I'll try the petrol idea

Oh, and I bought it from screwfix (local trade counter, not internet), but I couldn't really do with sending it away for warrenty work (so I'm glad its not ncome to that!)

 

[RF Lighting]

I've found a little squirt of WD40 does the trick.

My bosch used to do it from time to time, and now my makita does it too.

It just gets bunged up with dust and grit.