Sowing machine has a hydraulic device that can control hydraulic marker. Hydraulic pistons should be engaged to tractor hydraulic power output by means of hydraulic pipes. Dirt and solid materials can cause blockage of bolt team on top of the hydraulic cylinder. If breakdown occurs, remove the nipple, clean the calibrated bolt holes and engage everything again. Be careful about the replacement while engaging the parts again. A valve that activates the arms by turn can be added on hydraulic marker mechanism as optional. In this case only one hydraulic distributor of tractor is adequate. Close the hydraulic power output lid if the system is not used.
Safety measures about hydraulic system:
Be careful about the machine hydraulic systems and tractor are not under pressure when hydraulic tubes connected to tractor hydraulic system. Hydraulic inputs and outputs should be marked for hydraulic connection system between tractor and machine. If there is a disorder occurs accidentally, dangerous accidents can be happened. Hydraulic system is under high pressure. Additional equipments and protections should be used while researching possible leak points.