Hardi ZENIT 400, Original Instruction Book

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70
5 - Operation
Hydraulic control of the CANNON
The operating ranges of all three CANNON models are the same.
The lifting cylinder is controlled via a double acting outlet on the
tractor and can be set vertically between -10 to 80º compared to
horizontal
The spout can be rotated180º by another double acting outlet. This
allows treatment to either side independet of driving direction.
The hydraulic adjustment
The joystick activates the solenoids on the hydraulic block.
The oil flow is from the tractor is deferent from model to model.
Adjusted the flow on indicated Allen bolt:
in = slows down out = speeds up
The boom must move slowly in all moves.