Campag Hub Dust Cap removal

I am trying to service some campagnolo hubs. There appears to be a metal dust cap over the bearings with a small single hole in.

Should I remove this cap (and if so how)?

Do I have to dismantle the axle & cones to grease the bearings?

Thanks

Sounds like that might be the grease port; there was one on an old Record track hub I used to have. It's there so you can inject grease on to the bearings. You do not need to remove it to service the hub.
A photo might help confirm this.

Depends-the C Record hubs have caps over them that you need a special puller tool for to get in at the bearings. Pics would help, if not just check out the sheldon brown website. Enjoy!

Thanks Will & Greg i will try getting a photo up

If its the C-Rec ones you can kind of spin the covers round freely but they don't pull off and you can't just prise them off with a screwdriver either... it confused me initially. Till I checked out velobase and sheldon. i aint fick or nuffin tho.

Sorry FAQ was not working so could not work out how to get photo up ...

Here it is, it is a very small hole, I don't think they are record hubs as they just have the sheild on ( i will check Sheldon)

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Yep, that's a grease port. If you have a grease gun with a thin tip you can squirt the grease right in there. Works a treat, the old grease and any water in there is forced out. Kept my hub running smooth for tens of thousands of miles.

So... major dredge. I have the same hubs, and that little ring of metal (the grease port) has come off (unintentionally). I'm having a little trouble reinstalling it, anybody done that before? I am fairly new to working with hubs