Default Change recovery

Hi

How to change cwm recovery?

Right now my phone, LG P760 having cwm recovery 6.0.2.9 - but when I want to put example this http://forum.xda-developers.com/show....php?t=2394985
Or TWRP
1. Xperia Go
Bootloader: Locked.
Rooted: Yes.
ROM: Google™ BeAnZ.

2. LG Optimus L9 P760
Bootloader: UnLocked
Rooted: Yes.
ROM: MOKEE™® Official Release by Nasheich & Mokee