Stuck tuning pegs

[xsdi]

2 of the tuning pegs on my bandurria are stuck. They do not move very much when I rotate them, and when I turn it very hard it often moves more than I expect. This is making my instrument very hard to tune.

Any suggestions to remedy this?

Thanks.

[Ray(T)]

Dismantle, lubricate, re-assemble, pray! - http://www.lutherie.net/tuner.maintenance.html