Specific Notes
1. The electrical power unit is of S3 duty, which can only be 
worked intermittently,i.e. 1minute on and 9 minutes off.
two. Clean every one of the hydraulic elements concerned prior to set up of the power unit.
3. Viscosity with the hydraulic oil shoud be 15~46 cst, which should really also be clean and totally free of impurities, N46 hydraulic oil is advisable .
4. Check the oil level while in the tank just after the original operation on the power unit.
5. Oil altering is required immediately after the preliminary one hundred operation hours, afterwards after every single 3000 hours.
Electrical power UNITS FOR DOCK LEVELER 4
General Description
This power unit is deigned for those dock levellers which need to have floating ramps with an emergency prevent function. The ramp will rise when the pump is running.The lip will expend instantly once the ramp cylinder finishes its stroke. The ramp cylinder will retract when the pump stops running. An emergency prevent will be realized even though the solenoid valve is energized. The lowering velocity of the two the ramp as well as lip is adjusted through the needle valves during the technique.