The threaded connections of the driver chuck and top sub may become very tightly tensioned during drilling. It is convenient to break the hammer threads on the rig, but if the threads cannot be loosened or tend to get stuck, a breakout bench is the best solution.

There are some different models for your choice.

Note: the standardmotor request power source with 3phase,380V,50Hz. We can adjust the motor ascustomers' request.

Manual Breakout Bench Operation

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 dive chuck away from hammer.

Electric Breakout Bench Operation

1.Put the hammer on the breakout bench.

2.Drive the handle switch of unloading oil cylinder, adjust the cylinder to proper height.

3.Adjust left lock chains to lock the top sub then fasten the active pin.

4.Adjust right lock chains to lock top sub side of the external cylinder of hammer then fasten the active pin.

5.Push handle switch of both the right and left lock chains, break out the top sub of hammer slowly.

6.After finishing break out, make the oil cylinder return oil, take out the active pins and loosen the left and right chains, turn the hammer around.

7.Drive the handle switch of unloading oil cylinder, adjust the cylinder to proper height.

8.Adjust left lock chaind to lock the drive chuck then fasten the active pin.

9.Adjust right lock chains to lock the chuck side of external cylinder of hammer then fasten the active pin.

10.Push handle switch of bith the right and left lock chains, break our the drive chuck of hammer slowly.