How to correctly replace the Vibration sieve screen?

1．Step one：Separate the turnbuckle and cover by unscrewing them，then replace the net．
2．Step two：Fasten the upper and lower flame by multi—pincers at the edge of frame．
3．Step three：Trim the outside net and remain about 2cm．
4．Step four：Reinstall the turnbuckle and take away the pincers then fasten the screw．
5．Step five：Beat all round the turnbuckle equally by rubber hammer，then fasten the screw．The replacement is over．