The installation method of the electric hammer drill
Installed before the first drill, electric hammer drill chuck down below the eye in the end, the drill chuck and eye separation (and when necessary to drill chuck on the eye piece to mention) will be inserted in the end bit to the eyes, and then release the chuck let it return. After installed, the lift hammer bit hard top on the wall or ground test drilling, if a clear sense of the impact that the drill bit installed in place. Otherwise you'll have to reinstall it.
When installed, the drill chuck hammer directly inserted, can rotate around until the drill bit is automatic locking, finally pulling the drill bit to determine whether it is locked correctly.
