8 Overload safety
8.1 Shear bolt
The shear bolts (Pos. 1) serve to protect against
damage in event of overloading.
After a shear bolt breaks, the swivelled-out
plough body can be pivoted back into working
position after releasing the pivot point bolts (item
2) and removing the remains of the shear bolt.
After replacement, securely tighten new shear
bolt and pivot point bolt.
Use only original shear bolts of the
appropriate size and quality!
Only these bolts guarantee proper
protection. Never use bolts with higher
or lower strength or bolts with shorter
shafts!
8.2 Fully automatic stone release
In principle, the fully automatic hydraulic NON-STOP stone release
(compact accumulator or central adjustment) works in the same way
as the mechanical stone release, the only difference being that
instead of the leaf springs, a hydraulic cylinder with a connected
hydraulic accumulator is used.
Differences between compact accumulator and central adjustment
• Tripping forces can be set independently for the individual
elements by means of a pressure control hose! The accumulator
is integrated on the cylinder.
Central adjustment
• With central adjustment, the individual compact accumulator
cylinders are connected on the oil side with tubing
→ all elements have the same tripping force.
(Using check valve: on each compact accumulator, each cylinder can
be individually disconnected from the central tubing).
The tripping force can be adjusted during operation directly from the
tractor using the control hydraulic system.
Hektor BAG0186.1 07.19
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