Archway COMPETITOR 130 Panduan Langkah-demi-Langkah - Halaman 11
Jelajahi secara online atau unduh pdf Panduan Langkah-demi-Langkah untuk Peralatan Konstruksi Archway COMPETITOR 130. Archway COMPETITOR 130 12 halaman. Standalone model
Halaman Cetak38. Attach the casing drive head, and drive
ring (the spacer tube is not required after
the first metre). Connect to the rig using
the bottom adaptor.
40. To extract the sampler uncouple the
drill rods, each time securing the rod with
the rod spanner placed over the slip bowl
39. Drive down the sampler and second
length of casing for another metre.
41. To remove the casing from borehole,
remove the casing drive head and attach
the lifting head.