Electrohydraulic PTU leveler with divided telescopic lip - Operating and maintenance manual
15Pages

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 1/15 All rights to make technical changes reserved

All rights to make technical changes reserved

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 3/15 OPERATING MANUAL Operating manual 1. FOREWORD  Whenever the “manual” is mentioned, it refers to this manual. The drawings in this manual are for demonstration purpose only. Before reading this manual, please compare your leveller type (see rating plate) with the type indicated on the first page of this manual. This manual concerns PTU dock leveller only. This manual contains additional hints and notes indicated with graphic symbols. The following...

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 4/15 PTU dock leveller is comprised of: 1 Platform 9 Internal extension servo-motor The dock leveller is used by personnel operating hand-driven and motor-driven transport equipment. It connects the vehicle deck with building parts, such as loading (warehouse) ramps. The dock leveller consists of a platform fixed with a hinge to the warehouse ramp at floor level. The platform is equipped with a telescopic lip located at the front. The extended lip is leaned...

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 5/15 called the smooth adjustment system. In order for the smooth adjustment system to serve its function, the leveller during loading must be connected to the power supply. The PTU leveller lip is divided, enabling its effective width to be changed. The operator can choose between the lorry or van modes using a switch on the control panel. In the lorry mode, the lip is extended to its full width (1950mm). In this mode, the leveller load capacity is 60 kN....

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 6/15 Extension widths Lorry loading/unloading PTU dock leveller lip extends to its full width. Maximum load capacity of the leveller is 60kN. Van loading/unloading PTU dock leveller lip extends to a reduced effective width of 1200mm. Maximum load capacity of the leveller is 20kN. Load exerted by the leveller on a vehicle does not exceed 2kN. 2.1.1 Use per intended purpose Using the leveller in accordance with the principles of safe operation (see chapter 4....

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 7/15 2.2 Control system The leveller is lifted electro-hydraulically. The hydraulic unit, lifting cylinders and the extension cylinder are located under the leveller. These elements are controlled with the control system shown below: 1. Main/emergency switch 2. “Lift” button 3. “Extend” button 4. “Auto” automatic return button 5. Mode switch 6. LED 7. Maintenance label The buttons enable the following movements of the leveller. Main/emergency switch Red and...

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 8/15 “Auto” automatic return button This is a red button located below the “LIFT” button. If pressed briefly, the leveller returns to its rest position. This is done by lifting the leveller to the maximum upper position and retraction of the lip, followed by the leveller returning to its rest position. Mode switch This switch is used for selecting lorry or van mode. The lorry mode enables loading at load capacity of 60 kN (lip extends to its full width of...

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 9/15 Warning! If during operation (or before the leveller is started) the incorrect functioning or any damage is noticed, the yellow and red main switch has to be immediately set in the „0” position. The leveller movement is interrupted. The loading area has to be secured so that the leveller cannot be started by unauthorized persons. Immediately consult a representative of PROMStahl. Contact details are to be found on the last page of this manual or the...

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 10/15  Release „LIFT” button and press “EXTEND” button. The lip extends. Once „EXTEND” button is released, the leveller is automatically lowered onto the vehicle deck. Warning! During any loading operations, the main switch must be set in the „1” position. With the switch in this position, the leveller is set in the smooth adjustment operating mode. In this mode the leveller leaned against the vehicle can automatically adjust to the vertical movement of the...

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 11/15 4. GENERAL GUIDELINES ON SAFE OPERATION • The leveller load capacity, i.e. 60kN in the lorry mode and 20kN in the van mode should not be exceeded, • The leveller should not operate beyond its permissible operating angle, i.e. ±12.5% (approx. ±7°). • Transport equipment with tread greater than allowed must not be used. The maximum tread of the transport equipment is calculated as the leveller width less 0.7m. • When not in operation the leveller must be...

Operating and maintenance manual Electrohydraulic PTU dock leveller with a divided telescopic lip Version 1.0.0 Date: 2012-07-16 Page: 12/15 MAINTENANCE AND INSPECTION MANUAL 1. Dock leveller inspection After the first start-up and then for at least one month, the dock leveller must be inspected daily by a qualified person to verify the leveller operation. The inspection covers, in particular:  visual inspection for signs of wear and potential damage,  leveller operation,  completeness and effectiveness of the safety devices. The written inspection reports with date, name, address and...