Optimal 1700, Manual

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Trouble Shooting
1. Nothing moves. (none of the hydraulic functions works)
- Electricity supply to control box is interrupted. Check fuses at power unit.
- Hydraulic disconnect is not properly attached. Check attachment.
2. Two hydraulic functions (e.g. gate lock and spades) work at the same time.
- On one of the valves the plunger does not move.
This defect might be caused by a dirt particle. Disassemble and clean the
respective valve.
- If this does not solve the problem, the valve is damaged and must be replaced.
3.
After the blades have been retracted and the valve has been relieved, they
immediately move down again.
- If the spades move down a short way only, the oil supply of the pump might be
too high.
Oil flow of power unit must be regulated by service of manufacturer.
- If the spades move down all the way, the seals in the spade cylinder might be
defect und must be replaced.
- If the spades move down all the way, the spade valve might be defect and must
be replaced.
4. The gate does not close and / or lock completely.
- The adjustment screw at the hinge wants readjustment.
Adjust adjustment screw.
- The eye joint is worn, bushes must be replaced.