1. Put hammer on the bench.
2. Adjust the position of hammer and wrench; use wrench to block the top sub side of hammer; let wrench and jack in the same face.
3. Fix K-shaped base with nut.
4. Fix wrench with nuts.
5. Shake handle of Jack slowly till top sub away from hammer.
6. After top sub dismantled, grease the jack, release nuts, discharge the K-shaped base and turn around the Hammer.
7. Adjust the position of hammer and wrench; use wrench to block the drive chuck of hammer; let wrench and jack in the same face.
8. Fix hammer
9. Fix K-shaped base and the wrench with nut.
10. Shake handle of Jack slowly till drive chuck away from hammer.
