DTH Hammer Breakout bench
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 solution. This handy but powerful breakout bench can easily be
placed in a workshop or container and it breaks DTH hammers between
3" and 10". Select right breakout bench depending on voltage and
|Operate hammers||3-5"||6-8"||3.5-10" (Sandvik)|
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.
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
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 cyli