SDS and Grease

[Munroast]

I have always filled the gear box / drive thing up with multi-purpose - what should i be using

and the ends of the drills, they are always filthy with grease - does it make its way there from the gearbox (the gearbox / drive thing does get empty - so it must be going somewhere

 

[opps]

I don't know the answer but the following might shed some light

To grease or not to grease? - SDS drill bit

I've been using a Metabo SDS drill for a while but am unsure whether to grease the sds bit or not - When I bought the drill I greased every time, but after a few months hard work the end cap of the sds chuck popped off. It seems the grease had made the rubber seal very soft & sticky, and this...

www.ukworkshop.co.uk

 

[Harry Bloomfield]

You are supposed to add a little grease, to the bit, where it goes in the chuck. I'm not fastidious about doing it, but often I wipe the bit clean, and lightly dip the bit in the grease. I have three sds, and two of them came with tubs of grease. The tubs last forever. Greasing, seems to help the hammer action.

 

[robinbanks]

As to where it goes, it runs down the bit on my drill; heat and vibration make it less viscous and encourage it to run out

 

[Harry Bloomfield]

As to where it goes, it runs down the bit on my drill; heat and vibration make it less viscous and encourage it to run out

Which suggests you are putting too much on.

 

[robinbanks]

Yep. It's cheap; I'd rather too much than too little, let it wash out any crap in the chuck too