I haven't used my SDS drill much, and I just wanted to check mine is working okay. The machine cheerfully rattles away, but the drill is only hit by the mechanism if the drill is pushed in against a spring. Is that normal for this type of drill? Or do I need to add more grease or something?
I noticed this particularly this morning, using it to loosen the heavy clay.
Some work that way. Often the bit is sprung forward, and the hammer only hits it if it is pushed back against that spring.
If it's got a manual greasing point, you should check that anyway.
Actually, it's usually the same with a regular hammer drill - a spring prevents the hammer ratchet operating unless the bit is pressed against the spring.
They all need firm pressure to make the percussion action work.
that's correct.
NT
Normal, the hammer action comes into play as you put on some pressure.
You should apply some (a small amount) grease to the to the drill bit - the end/section that is inserted into the chuck.
Some of the DeWalt ones seem to need a little more pressure than other makes to get the hammer action working.
Thanks, everyone. That's very helpful.
No they need slight pressure. Firm pressure inhibits the action.
Bill
Then ease off.
Bill
No wonder you complain about BBC bias.
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