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