Functional Descriptions And Schematics; Z 1500/2000 Ma (Zdk 250) - Zepro Z 1500 Technical Manual

Functional descriptions and schematics

3 Functional descriptions and schematics
3.1

Z 1500/2000 MA (ZDK 250)

3.1.1 Description
The Z 1500/2000 MA variant is a tail lift with double acting tilt cylinders, single acting lift cylinders and no auto
tilt functionality. It is equipped with a quick opening valve that increases the opening speed of the platform.
Sensors used
Angle sensor located on the platform used for the safety requirement for two hand operation when opening
and closing against the boxy body. The sensor is inactive when the platform angle is within 45 degrees from
vertical and within this range the two hand control is required. If the platform is closer to horizontal, the sensor
is active and the requirement is removed. This sensor is connected to Di3 on ZePRO1 and to S3 on TLC-B1.
Pressure sensor located on the positive hydraulic feed to the tilt cylinder used to activate the open platform alarm.
The sensor is active when the pressure drops below 60 bar which enables the Pa+ and Pa- pins on cabin switch
section of the control card. This sensor is connected to Di4 on the ZePRO1 card and to S4 on the TLC-B1 card.
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