Maxon GPC X1-LD User Manual
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Maxon GPC X1-LD User Manual

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GPC X1-LD liftgate,
GPC X1-LDF liftgate
User Manual
LIFT CORP.
11921 Slauson Avenue
Santa Fe Springs, CA 90670-2221
P 800.227.4116 / 562.464.0099
Date 08.2020
F 888.771.7713
Part No. 20 912 419

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  • Page 1 GPC X1-LD liftgate, GPC X1-LDF liftgate User Manual LIFT CORP. 11921 Slauson Avenue Santa Fe Springs, CA 90670-2221 P 800.227.4116 / 562.464.0099 Date 08.2020 F 888.771.7713 Part No. 20 912 419...
  • Page 2 Contact information Contact information MAXON LIFT CORP. Corporate Office 11921 Slauson Avenue Santa Fe Springs, CA 90670-2221 P 800.227.4116 / 562.464.0099 F 888.771.7713 Customer Service / Parts USA/Canada Mexico P 800.227.4116 F 888.771.7713 P 01.664.231.6039...

  • Page 3: Table Of Contents

    2.10 Danger notice sticker “Safe handling of the liftgate” ........16 2.11 Permissible loads ..................17 2.12 Load diagram ..................... 18 Operation of the GPC X1-LD and GPC X1-LDF liftgates ....... 19 3.1 Activating the liftgate .................. 19 3.2 Operation using the control panel (membrane switch) ....... 19 3.3 Operation using the optional foot controls ..........
  • Page 4 Contents 5.4 Support for fault diagnostics and elimination ..........33 5.5 When electric motor is operated continuously “liftgate cannot be switched off” ..............35 5.6 Emergency! Platform moved by mechanical means ........36 5.7 Malfunction ....................36 Decommissioning, disassembly, and disposal ..........37 Electrical circuit diagram ................

  • Page 5: General

     Description of the MAXON liftgate You have chosen a liftgate of the highest quality. MAXON liftgates comply with the EU Machinery Directive 2008/42/EG as well as DIN EN 1756–1. The MAXON liftgate is simple to use. It is equipped with maintenance-free bearings and requires no lubrication...

  • Page 6: Overview Of The Maxon Gpc X1-Ldf Liftgate

    General Overview of the MAXON GPC X1-LDF liftgate The illustration shows the liftgate in the driving position 1 Platform 2 Warning flags 3 License plate light 4 License plate holder 5 Lifting cylinder 6 Support arm 7 Step 8 Lifting arm...

  • Page 7: Overview Of The Maxon Gpc X1-Ld Liftgate

    General Overview of the MAXON GPC X1-LD liftgate The illustration shows the liftgate in the driving position 1 Platform 2 Warning flags 3 License plate light 4 License plate holder 5 Lifting cylinder 6 Lifting arm 7 Closing arm 8 Foot control...

  • Page 8: Description Of The Maxon Liftgate Components

    General Description of the MAXON liftgate components Electrical system/operating unit The individual functions are controlled via a very flat control panel with four membrane switches (see page 19). The interface between the liftgate and the vehicle complies with ETMA guidelines.

  • Page 9: Information, Spare Parts Ordering, And Warranty Services Using The Liftgate Serial Number And Rating Plate

    General Information, spare parts ordering, and warranty services using the liftgate serial number and rating plate You can order spare parts, submit warranty claims, and find technical information online at https://www.maxonlift.com/support or you can send an e-mail to: techservice@maxonlift.com, or contact our service personnel by calling 800-227-4116.

  • Page 10: Safety

    And: IMPORTANT  Important information or useful tip for correct use. Safety The “Safety” section describes the safe operation of the MAXON liftgate. Correct operation of the liftgate will guard against misuse and prevent injury and damage to property. WARNING Do not deviate from the instructions contained in this manual for safely operating the liftgate.

  • Page 11: Fundamental Hazards (Hazards Caused By The Liftgate)

    Safety Fundamental hazards (hazards caused by the liftgate) DANGER Electrical system with on-board voltage: The liftgate receives electrical power from the vehicle’s on-board power supply (max. 48 V DC). The electrical system is designed using state-of-the-art technology.  Do not damage or modify electrical components or wiring. Fire and explosion hazard.

  • Page 12: Emergency Procedure

    Intended use The MAXON liftgate was specially developed for cargo vans. The liftgate is used for loading and unloading the vehicle and for transferring loads. Do not use the liftgate to lift any person other than the operator.

  • Page 13: Responsibilities Of Operating Company And Requirements For Operator

    Safety Responsibilities of operating company and requirements for operator The operating company must comply with occupational safety regulations. The operating company is responsible for providing personal protective equipment such as protective footwear and protective clothing for operators and maintenance personnel. Valid accident prevention regulations, legal and operational guidelines, occupational safety regulations, and environmental regulations must be observed.

  • Page 14: Commissioning

    Safety Commissioning (1) Do not use the liftgate before it is properly installed. (2) Never operate the liftgate with the vehicle in motion. (3) Operate the liftgate at your own risk. (4) When operating the liftgate, secure the vehicle against unexpected movement. (5) Portable lifting platforms such as liftgates must be stable to avoid creating crushing and shearing points between the liftgate and objects around it.
  • Page 15 Safety WARNING Risk of the vehicle losing stability/tipping. The front end of the vehicle can potentially lift and create a risk of injury. Refer to the safety sticker for instructions on correct operation. (8) Keep people and objects way from all moving parts of the liftgate. WARNING Slipping, tripping, or falling hazard (involving the liftgate).
  • Page 16 Safety WARNING There is a risk of falling from the platform, especially in cold and wet conditions. Outside influences such as gravity, wind, snow, dirt, etc. increase the risk of slipping on the platform. (14) Do not modify, cover, or remove product labels (warning labels, instructions, rating plates).

  • Page 17: Handling And Behavior During Operation

    Safety Handling and behavior during operation Secure the vehicle against unexpected movement when performing any kind of loading or unloading operation (use handbrake or chocks). Do not place loads on the liftgate that exceed the rated capacity (comply with loading distance and load, see load diagram). Never drive a forklift onto the liftgate platform! (Exception: the weight of the forklift plus the weight of the load being transported is less than the liftgate’s maximum carrying capacity).
  • Page 18 Safety (11) Operating personnel must ensure that neither they nor any other person is endangered by any movement of the liftgate. WARNING Because the device cannot be seen from the control panel, there is a risk that the operator or a third party could be shut inside. Make sure that no one is in the cargo area when the liftgate is closed.
  • Page 19 Rolling and sliding loads must be secured to the platform. Rolling loads must not be transported on the platform without a cart stop. On request, MAXON liftgates come equipped cart stops that reliably secure rolling loads (wheels with max. 4” diameter). If...

  • Page 20: 2.10 Danger Notice Sticker "Safe Handling Of The Liftgate

    Safety 2.10 Danger notice sticker “Safe handling of the liftgate” The danger notice sticker uses individual pictograms to indicate potential incorrect and correct usage of the liftgate. This sticker is supplied with all new liftgates. The installing company must place it in a clearly visible location on the inside of the vehicle cargo area.

  • Page 21: 2.11 Permissible Loads

    Safety 2.11 Permissible loads IMPORTANT Do not allow any load to exceed the rated capacity for the liftgate. The load diagram on the rating plate must be observed. A one-sided load must not exceed 50% of the load- carrying capacity. The center of the load should be as centered as possible between the lifting arms.

  • Page 22: 2.12 Load Diagram

    2.12 Load diagram IMPORTANT The liftgate’s maximum load-carrying capacity can be achieved with a loading distance of up to 23 and 5/8 inches. Load center distance Loadcenterdistance Model GPC X1-LD 1320 GPC X1-LDF 1100 55"1/8 39" 3/8 23" 5/8 7" 7/8 15"...

  • Page 23: Operation Of The Gpc X1-Ld And Gpc X1-Ldf Liftgates

    Operation of the GPC X1-LD and GPC X1-LDF liftgates Operation of the GPC X1-LD and GPC X1-LDF liftgates Activating the liftgate Switch on the liftgate control unit using the pushbutton in the driver’s cabin. When the red indicator light is illuminated, the liftgate is ready to operate.

  • Page 24: Operation Using The Optional Foot Controls

    Operation of the GPC X1-LD and GPC X1-LDF liftgates Operation using the optional foot controls The optional foot controls are configured in such a way that the two foot controls must always be operated one after the other: To lift and tilt up 1.

  • Page 25: 3.4 Operation Using The Optional Handheld Control With Spiral Cable

    Operation of the GPC X1-LD and GPC X1-LDF liftgates 3.4 Operation using the optional handheld control with spiral cable After the platform has been opened via the control panel, the 2-button handheld control can be used to operate the lifting and lowering functions.

  • Page 26: Operating Positions And Safety Distances When Using The Optional Handheld Control With Spiral Cable

    Operation of the GPC X1-LD and GPC X1-LDF liftgates 3.4.1 Operating positions and safety distances when using the optional handheld control with spiral cable IMPORTANT When using a handheld control with a spiral cable, the operator may initiate liftgate functions only while standing in the positions shown in the illustration.

  • Page 27: Using The Bridge Plates

    The bridge plate(s) are made of non-skid, knurled sheet metal. The bridge plate on the GPC X1-LD and the two bridge plates on the GPC X1-LDF serve to bridge the gap between the platform and vehicle when the liftgate is in the loading/unloading position.

  • Page 28: Detailed Operating Sequence For The Gpc X1-Ldf

    Operation of the GPC X1-LD and GPC X1-LDF liftgates Detailed operating sequence for the GPC X1-LDF Opening the platform 1. Activate the liftgate. (pushbutton in vehicle cabin, see page 19). Operating instructions: control panel, foot controls and optional handheld control (see page 21).
  • Page 29 Operation of the GPC X1-LD and GPC X1-LDF liftgates 7. Fold out the bridge plates. 8. Lower the liftgate platform to the ground using the control panel (Lower) or, if you’re standing on the platform, using the foot controls or the optional handheld control (Lower).
  • Page 30 Operation of the GPC X1-LD and GPC X1-LDF liftgates 13. Load your vehicle. Closing the liftgate and moving it to driving position 14. Fold up the bridge plates. Lower the liftgate platform using the control panel (Lower) or, if you’re standing on the platform, using the foot controls or the optional handheld control (Lower) so that you can close the left vehicle door.
  • Page 31 Operation of the GPC X1-LD and GPC X1-LDF liftgates 19. Close the liftgate platform using the control panel (Close/Tilt up). 20. Close the right vehicle door. 21. Deactivate the liftgate. pushbutton in vehicle cabin, see page 19). WARNING Be careful not to confuse the control elements for tilt up/tilt down or lift/lower. Incorrect operation could injure third parties.

  • Page 32: Maintenance

    Maintenance Maintenance Daily visual inspections Check functioning and completeness of the operating and safety devices. Check that all warning and instruction labels are legible. Check for damage and completeness of pins and check that pins are securely tightened. Check cylinders for damage to/tightness of hoses, screw connections, and valves.
  • Page 33 Maintenance Hydraulic fluid recommendations Use HLPD 22 (ISO-VG 22) "detergent” so that free water remains emulsified (e.g. to prevent ice formation in winter) and to improve oil film adhesion. In colder regions, use HLPD 10 grade hydraulic fluid. OIL SPECIFICATIONS Grade ISO - (32) Gravity, API - 29.5 degrees Pour Point, F - (-54 degrees)
  • Page 34 Be careful when restoring the power supply after an interruption. Maintenance personnel may be injured by an unintentional restart. IMPORTANT Do not make changes to the liftgate without written permission from MAXON construction management. Use only original spare parts for repairs. WARNING Do not modify, bypass, or remove safety devices.
  • Page 35 Maintenance Our recommendation for battery capacity: We strongly recommend installing a heavy-duty alternator and an additional battery. The operating company is responsible for the battery capacity and charge status. Load-carrying capacity Battery capacity Battery capacity 1100 – 1320 lbs 12 volts - 1 x 88 Ah 24 volts –...

  • Page 36: Fault Diagnosis And Fault Elimination

    Fault diagnosis and fault elimination Fault diagnosis and fault elimination Explanation of diagnostic LED in the control unit The control unit is the central control unit for the liftgate’s electrical system. An LED (monitoring and diagnostic LED) integrated in the control unit serves as an operating state and fault diagnosis indicator.

  • Page 37: Support For Fault Diagnostics And Elimination

    Fault diagnosis and fault elimination Support for fault diagnostics and elimination Problem Possible cause 1. Power pack’s electric Battery cable or ground cable is not connected or is defective motor does not work Cable to driver’s cabin is disconnected Main fuse is defective Fuse in power pack is defective Main battery switch is not switched on Switch in driver’s cabin is not switched on...
  • Page 38 Fault diagnosis and fault elimination 6. Platform tilts down Solenoid valve from closing cylinder is defective independently without the function being activated 7. Platform does not tilt Cable feed to pressure switch is defective down when touching the Pressure switch is defective ground 8.

  • Page 39: When Electric Motor Is Operated Continuously "Liftgate Cannot Be Switched Off

    Fault diagnosis and fault elimination When electric motor is operated continuously “liftgate cannot be switched off” Tip: Turn the nut on the battery’s positive terminal to the left until contact is interrupted or disconnect using battery main switch to stop the motor from running. Then take the liftgate to the nearest authorized repair shop or call our customer service so that the defect can be corrected.

  • Page 40: Emergency! Platform Moved By Mechanical Means

    Fault diagnosis and fault elimination Emergency! Platform moved by mechanical means In an emergency – for example, the liftgate breaks down while open – lifting and/or closing the liftgate by mechanical means instead of hydraulically causes the hydraulic cylinders to be filled with air. This means that the safety valves (solenoid valves) are out of order.

  • Page 41: Decommissioning, Disassembly, And Disposal

    Decommissioning, disassembly, and disposal Decommissioning, disassembly, and disposal After decommissioning, secure power-operated and power-assisted liftgates against unauthorized use (see Section 5.6 Emergency! Platform moved by mechanical means). Be particularly careful when removing the solenoid valves (safety valves). Before unscrewing the solenoid valves, make sure the platform is secured against sudden lowering and opening, e.g.
  • Page 42 Risk of injury during disassembly/assembly (particularly of safety devices, e.g. removing solenoid valves) due to improper or incorrect assembly/disassembly Use only trained and qualified maintenance personnel. MAXON offers training in assembly, maintenance, and accident prevention regulations (UVV). WARNING Risk of unexpected startup. If the priority circuit is defective, the liftgate can be unexpectedly activated from a second control point, resulting in injury.
  • Page 43 Decommissioning, disassembly, and disposal WARNING When transport locks are removed, parts may fall or the platform my tip over, resulting in injury. After disposing of packing materials, store all parts in a secured manner and carefully remove transport locks. WARNING When transport locks are removed, parts may fall.

  • Page 44: Electrical Circuit Diagram

    Electrical circuit diagram Electrical circuit diagram...

  • Page 45: Hydraulic Circuit Diagram

    Hydraulic circuit diagram Hydraulic circuit diagram ®...

  • Page 46: Warranty, Liability Exclusions, Copyright

    Type of Warranty: Full Parts and Labor MAXON agrees to replace any components which are found to be defective during the first 2 years of service, and will reimburse for labor based on Maxon’s Liftgate Warranty Flat Rate Labor Schedule.

  • Page 47: Liability Exclusions

    (e.g. rough terrain at building sites). Copyright This user and maintenance manual is intended for owners and operators of the MAXON liftgate. It may not be reproduced or made available to third parties without the express...

  • Page 48: Notes

    Notes Notes...

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Gpc x1-ldf

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