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Summary of Contents for Zepro ZT MK2
- Page 1 Technical Manual ZT MK2 ZEPRO Tel.: +46 (0)10-459 05 00 Email: zeprotech@hiab.com zepro.com 79871TL 2023-09-06...
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Page 2: Table Of Contents
Control cards ....................10 TLC B1 relay card ..................10 Functional descriptions and schematics ............. 16 ZT MK2 ...................... 16 ZT MK2 with digital auto tilt ..............25 Troubleshooting ..................36 Causes of malfunctions ................36 Troubleshooting strategy ................. 36... -
Page 3: Product Overview
There should also be a sticker showing the same information in the users manual and on the door sill on the drivers side of the vehicle. For the ZT MK2 models covered in this document, the following nomenclature is used. The "ZT" denotes the model designation followed by the "Mk2" which denotes second generation design of the ZT product. "SLI"... - Page 4 Whether the tail lift is equipped with auto tilt or not cannot TLC-B1 control card based on solid state relay technology. The card is used in other Zepro tail lifts as well be detrmined by reading the typesign.
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Page 5: Accessing The Card And Hydraulic Unit
Some vehicle models have restrictions regarding the amount of current the lift can access from the existing battery. Some vehicle models do not fully charge the battery. It may therefore be necessary to switch to a battery and sometimes also to a charger with a larger capacity. www.zepro.com www.zepro.com... -
Page 6: Control Cards
The Zepro solution consists of a cab switch, which when active, sends power to the CS pin in the cab switch section of the card. When the switch is in its "Off" position any inputs are disregarded and the tail lift is efec- tively locked. - Page 7 Fig 7. Supply socket for different sensors The TLC B1 card can accomodate the sensor types shown in the table below. Different variants of the ZT MK2 use different types and number of sensors depending on functionality. See the functional descriptions and schematics chapter for connection information.
- Page 8 Secondary devices on the other hand, are usually accessible from the platform and are in some cases mobile. Therefore, they have certain limitations for safety or practical reasons and cannot operate all functions of the tail lift. The most common secondary control devices for the ZT MK2 are shown below. 2.1.6 Card configuration The card configuration block is a block with three switches that determines the configuration of the card. For...
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Page 9: Functional Descriptions And Schematics
Out. Available on primary control devices only. 3.1.1 Description Sensor input: None apart from bridged S3. A ZT MK2 variant with double acting tilt cylinders, single acting lift cylinders and no auto tilt functionality. High pressure Return flow Active Card indication: Sensor inputs: S3 - The S3 sensor input is bridged to the S3+ sensor power output. - Page 10 Functional descriptions and schematics Functional descriptions and schematics ZT MK2 ZT MK2 Function: lower Function: tilt down Description: Vertical platform lowering. Description: Platform tilt down. Control input: Down. Available on all control devices. Control input: Down + Tilt. Available on all control devices.
- Page 11 Functional descriptions and schematics Functional descriptions and schematics ZT MK2 ZT MK2 Function: tilt up Function: raise Description: Platform tilt up. Description: Vertical platform raising. Control input: Up. Available on all control devices. Control input: Up + Tilt. Available on all control devices.
- Page 12 Functional descriptions and schematics Functional descriptions and schematics ZT MK2 3.1.2 Summary of active valves ZT MK2 Function: slide in Description: Slide in from working to transport position. Safety Safety Control input: In. Available on primary control units only. Motor...
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Page 13: Zt Mk2 With Digital Auto Tilt
ZT MK2 with digital auto tilt 3.2.1 Description A ZT MK2 variant with double acting tilt cylinders, single acting lift cylinders and digital auto tilt functionality. . Sensor inputs in use: S1 - The S1 sensor input is bridged to the S1+ sensor power output. - Page 14 Functional descriptions and schematics Functional descriptions and schematics ZT MK2 with digital auto tilt ZT MK2 with digital auto tilt Function: slide out Function: lower Description: Slide out from transport to working position. Description: Vertical platform lowering. Control input: Out. Available on primary control devices only.
- Page 15 Functional descriptions and schematics Functional descriptions and schematics ZT MK2 with digital auto tilt ZT MK2 with digital auto tilt Function: auto tilt down Function: manual tilt down Description: Automatic tilting down once ground level has been reached. Description: Platform tilting down from horizontal.
- Page 16 Functional descriptions and schematics Functional descriptions and schematics ZT MK2 with digital auto tilt ZT MK2 with digital auto tilt Function: manual tilt up Function: auto tilt up Description: Platform tilting up from horizontal. Description: Automatic tilting up until platform is horisontal.
- Page 17 Functional descriptions and schematics Functional descriptions and schematics ZT MK2 with digital auto tilt ZT MK2 with digital auto tilt Function: raise Function: slide in Description: Vertical paltform raising. Description: Slide in from transport to working position. Control input: Up. Available on all control devices.
- Page 18 Functional descriptions and schematics Functional descriptions and schematics 3.2.2 Summary of active valves ZT MK2 3.2.3 Schematic ZT, TLC-B1 Safety Safety Motor Valve Valve Valve Valve Slide out Slide in Valve lift, Valve lift, Soleonid Slide out Lower Auto tilt...
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Page 19: Troubleshooting
"ON" position. If the tail lift is completely dead, use a multimeter to troubleshoot the power supply starting at the tail lift and moving towards the battery. Possible causes include but are not limited to a dead battery, a tripped fuse or disconnected or damaged power and/or ground cables. www.zepro.com... - Page 21 BUILT TO PERFORM Zepro, Del and Waltco are Hiab trade marks for tail lifts. Hiab is a world-leading supplier of equipment, intelligent services and digital solutions for on-road load handling. As an industry pioneer, our company commitment is to increase the efficiency...
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