As coal resource of Linxi Mining Corporation becomes increasingly exhausted, reserves mining has been the main areas. Mining ahead of time is a problem, because set of repair old system of reserves mining influences digging time of coal quantity directly. So the company takes some measures: comprehensive tunneling construction technology is applied actively, and pneumatic wrench of integrated excavators is firstly adopted in set of repair construction of inclined roadway. As a result, set of repair progress is improved and smoothly running of extracting joining is guaranteed.