Maschio Gaspardo PINOCCHIO USA - Manual (Page 5)

Hydro-pneumatic system
Auto-reset circuit with double nitrogen accumulator and safety
valve prevents frame damages and reduces downtime resulting
from shear bolts replacement. Once the obstacle is overcome, the
system brings the shank back to its working position. The nitrogen
accumulator capacities are 2 gal for the hydro-pneumatic models
with 5 shanks and 4,5 gal for the versions with 7 and 9 shanks.
Shear bolt
All sub-soilers have a passive safety device which flips
back shank if maximum admissible load is exceeded. In
particular 8.8 or 10.9 (only for hydro-pneumatic models)
strength class shear bolts able to resist to a load up to
7800 lb protect Maschio sub-soiler shanks.
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