Dhollandia DH-VO Series Installation Manual
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Dhollandia DH-VO Series Installation Manual

Dhollandia DH-VO Series Installation Manual

Column liftgates
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DH-VO* column liftgates
INSTALLATION MANUAL
** Pictured: VO.K1
with hydraulic tilt
Manufacturer:
DHOLLANDIA US, L.L.C.
E-mail : us.info@dhollandia.com
270 Southridge Parkway
Bessemer City North Carolina, 28016
website : www.dhollandia.com
Read the manual in its entirety before operating the liftgate
Keep this manual in the vehicle cab, as reference for the driver and liftgate operator
Doc: FIT_VO_US_EN_2020_rev0
Rev: 0 Date: JANUARY 1, 2020

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Summary of Contents for Dhollandia DH-VO Series

  • Page 1 DH-VO* column liftgates INSTALLATION MANUAL ** Pictured: VO.K1 with hydraulic tilt Manufacturer: DHOLLANDIA US, L.L.C. E-mail : us.info@dhollandia.com 270 Southridge Parkway Bessemer City North Carolina, 28016 website : www.dhollandia.com Read the manual in its entirety before operating the liftgate Keep this manual in the vehicle cab, as reference for the driver and liftgate operator...

  • Page 2: Table Of Contents

    APPENDIX 4 - Safe operator position on the platform ......................51 15.5 APPENDIX 5 - Circuit breaker ..............................53 15.6 APPENDIX 6 - Cab cut off switch .............................. 54 15.7 APPENDIX 7 - Electric and hydraulic Information ........................55 15.8 APPENDIX 8 - End note ................................57 DHOLLANDIA...

  • Page 3: Understanding Safety And Warning Signs

    Many safety signs and symbols used in this manual are based on international standards, others refer to specific situations or actions.  Consult Appendix 1 for an overview of signs and symbols used in DHOLLANDIA manuals, and their meaning. Make sure you understand these signs and symbols prior to starting the installation. Examples of standard ANSI...

  • Page 4: Introduction And Disclaimers

    It provides you with general instructions applicable to the common truck and trailer types. It might be possible that specific issues particular to your installation case are not adequately covered by this manual. If in doubt, please contact your local DHOLLANDIA distributor for further assistance.

  • Page 5: Contact Information

    NOTICE Please confirm you have reviewed the most up-to-date version of this manual prior to operation of the associated DHOLLANDIA liftgate. See below for instructions to download the latest version of the manual.

  • Page 6: Safety Precautions For Operation

    These instructions are supplied as a separate manual with your liftgate.  You can also contact the national DHOLLANDIA distributor for the latest edition of this manual. See page 4 for contact info. Or download the latest edition from the website: www.dhollandia.com →...
  • Page 7 DHOLLANDIA liftgate.  In case of doubt, ALWAYS contact the national DHOLLANDIA distributor for further advice, prior to continuing.  ALWAYS wear appropriate Personal Protective Equipment. This includes but may not be limited to: ANSI rated glasses with side guards, or a wrap-around face shield;...
  • Page 8 Except for the support channels and bracing of the side steps, which are usually welded to the cross members of the auxiliary chassis, DHOLLANDIA liftgates are designed as a bolt-on system, and don’t require any welding. See Appendix 2 for prescribed torque values.

  • Page 9: Liftgate Terminology

    6 LIFTGATE TERMINOLOGY  DHOLLANDIA liftgates are developed and manufactured using state-of-the-art technology, high quality materials and components and highly skilled workmanship.  The DH-VOU.K1, DH-VOL.K1, DH-VOM.K1 and DH-VOH.K1 comprise of a range of column liftgates, designed for a wide variety of trucks, trailers and semi-trailers, and are available with lift capacities ranging from 1,000 to 4,400lbs.
  • Page 10 Center point of maximum load: point up to which the maximum rated capacity of the liftgate is valid. Beyond that point, the maximum safe working load diminishes according to the applicable load charts found at Section 8 of this manual. DHOLLANDIA...
  • Page 11 DH-VOU.K1 ● MANUAL CLOSURE ● LIFTGATE TERMINOLOGY DHOLLANDIA...
  • Page 12 Center point of maximum load: point up to which the maximum rated capacity of the liftgate is valid. Beyond that point, the maximum safe working load diminishes according to the applicable load charts found at Section 8 of this manual. DHOLLANDIA...
  • Page 13 DH-VOL.K1 / DH-VOM.K1 ● MANUAL CLOSURE ● LIFTGATE TERMINOLOGY DHOLLANDIA...
  • Page 14 Center point of maximum load: point up to which the maximum rated capacity of the liftgate is valid. Beyond that point, the maximum safe working load diminishes according to the applicable load charts found at Section 8 of this manual. DHOLLANDIA...
  • Page 15 DH-VOL.K1 / DH-VOM.K1 ● HYDRAULIC CLOSURE REF. OVH004 ● LIFTGATE TERMINOLOGY DHOLLANDIA...
  • Page 16 Center point of maximum load: point up to which the maximum rated capacity of the liftgate is valid. Beyond that point, the maximum safe working load diminishes according to the applicable load charts found at Section 8 of this manual. DHOLLANDIA...
  • Page 17 DH-VOH.K9 ● HYDRAULIC CLOSURE REF. OVH011 ● LIFTGATE TERMINOLOGY DHOLLANDIA...
  • Page 18 When travelling up and down, the ramps can be raised and blocked in vertical position to prevent rolling cargo on the platform from falling off. At the ground, the ramps can be deployed as an access ramp to drive cargo on and off the platform. (See also 9.9) DHOLLANDIA...

  • Page 19: Getting Started

    / or body will not adversely affect the structural integrity of the chassis and / or body.  In the event instructions of vehicle manufacturer conflict with the installation instructions issued by DHOLLANDIA (e.g. on fuse ratings, etc.), contact your national DHOLLANDIA distributor for further assistance. ...

  • Page 20: Installation Dimensions

    Where chassis beams, longs sills, the rear sill and other steel chassis or body components have been cut, grinded, drilled, etc…, the installer should apply adequate anti-corrosive coating to protect the vehicle and body against corrosion. Check, and make sure you comply with the instructions of the OEM vehicle manufacturer. DHOLLANDIA...

  • Page 21: Dimensions Of Vehicle

    7 DIMENSIONS OF VEHICLE Figure 7.1  Due to the large range of column liftgates DHOLLANDIA provides to their customers, specific fitting dimensions are not given in this manual.  If an INSTALLATION DRAWING is available (via order confirmation), this will provide you with the critical installation dimensions that should be observed.

  • Page 22: Clearance Dimensions

    For the VOM.K1 with hydraulic tilt and support chains (shown above), X = ~12”.  Many chassis and/or body width are supported. If unsure if the liftgate is suitable for your application, please contact your national DHOLLANDIA dealer for clarification. See page 4 for contact info. DHOLLANDIA...
  • Page 23  In case of using steel filler plates or additional materials ALWAYS check with the body constructor or DHOLLANDIA if these add- ons match the strength requirements for mounting the DH-VO liftgate. Failure to do this can result in damage, personal injury or death.

  • Page 24: Mounting Of The Lift Frame (Premounted Platform)

    The liftgate may still have shipping brackets installed such as the transport bar and the stabilizing feet.  Leave the transport beam on as this is necessary for install.  The stabilizing feet may be removed as they may impede properly aligning the liftgate to the rear of the vehicle. Transport beam Stabilizing feet (2x) DHOLLANDIA...

  • Page 25: Positioning The Liftgate

    For liftgate with an integrated floor extension, this is the height whereby the top side of the floor extension or cylinder beam is flush with the vehicle loading floor. For other lifts, source the correct height from the FITTING DRAWING. DHOLLANDIA...
  • Page 26 (For a DH-VO liftgate with other dimension check the TECHNICAL DRAWINGS of the specific lift.)  DIAGONAL 1 and DIAGONAL 2 should be always equal to each other with a tolerance of MAX. ¼” to make sure the lift frame is perfectly squared. DHOLLANDIA...

  • Page 27: Welding Of The Liftframe

    It is strongly recommended to first grind off the galvanizing in areas where welding is to be done. NOTICE  Some OEM vehicle manufacturers prohibit welding on the vehicle chassis.  Verify the body builder guidelines issued by the OEM vehicle manufacturer, and make sure you comply. DHOLLANDIA...
  • Page 28 Move hose away from column during welding. Reinstall Use 4mm Allen wrench hose after welds cool down. to remove 3 screws  fastened to the steel Damage to this hose could cause injury to operator or plate. bystanders and improper functionality of the liftgate. DHOLLANDIA...
  • Page 29 It is important to weld the INSIDES of the columns first, then the OUTSIDES.  Finish by welding the threshold to the bed of the vehicle.  Space all welds evenly across each column and along the vehicle threshold. DHOLLANDIA...

  • Page 30: Installation Of Control Switch

    S – Control valve (Close/Tilt up) in the power pack O – Electrical self-locking valves (Open/Tilt/Down) on the tilt cylinders I – Control valve (Slide In) in the power pack U – Control valve (Slide In) in the power pack DHOLLANDIA...

  • Page 31: Wiring For Additional Controls

    WIRING FOR ADDITIONAL CONTROLS  A general wiring schematic for the two-button handheld control is shown in Figure 9.2. Figure 9.2 DHOLLANDIA...
  • Page 32  For the same controls with option OAE510.15 (cabin switch), see Figure 9.3, below: Figure 9.3 DHOLLANDIA...
  • Page 33  For the default controls see Figure 9.4, below: Figure 9.4 DHOLLANDIA...

  • Page 34: Connection To The Batteries

    A general schematic of how to correctly connect the batteries to the liftgate is provided in Figure 10.1.  Figure 10.1 NOTICE  Dhollandia supplies an internally grounded motor with the liftgate.  It is strongly recommended to complete the ground between the negative motor stud and the negative terminal on the vehicle battery. ...
  • Page 35  If not supplied with the liftgate, these can be downloaded from the “DOWNLOAD” section on our website: http://www.dhollandia.com  Please confirm you have reviewed the most up-to-date version of this manual prior to continuing. ...

  • Page 36: Putting The Liftgate Into Service

    LIFT the platform to vehicle floor level.  Then LOWER the platform fully to its deepest position at the ground, continue to press LOWER for 20 sec. LIFT the platform again, and repeat until no air bubbles run back to the oil reservoir. Figure 11.1 DHOLLANDIA...

  • Page 37: Lubrication Instructions

    During weight test, verify if the hydraulic pump pressure suits the maximum rated lift capacity in this particular mounting situation. Adjust the pressure if too high or too low, seal the pressure relief valve after that using the provided tamper-evident cap. DHOLLANDIA...
  • Page 38 Figure 13.1 Figure 13.2 DHOLLANDIA...

  • Page 39: Decals

     NEVER remove or paint over any decal. Missing, worn or illegible warning decals must be immediately replaced. Get free replacement decals from DHOLLANDIA. ❷ Contact your regional DHOLLANDIA ❷ distributor. See page 3 for contact info.
  • Page 40 1,100 - 1,650 lbs Manual EF0590.EN DH-VOL.K1 - DH-VOM.K1 1,650 - 3.300 lbs Manual EF0591.EN DH-VOL.K1 - DH-VOM.K1 1,650 - 3.300 lbs Hydr. 1 tilt cylinder = OVH004 EF0592.EN DH-VOH.K9 3,300 - 4,400 lbs Hydr. 2 tilt cylinders = OVH011 EF0592.EN DHOLLANDIA...
  • Page 41 ❷ ❸ ❹ ❺ ❻ ❼ DHOLLANDIA...
  • Page 42 LIFTGATE DECALS USED AND AFFIXED IN AREAS, OTHER THAN THE REAR OF THE VEHICLE: Cabin switch in driver’s cabin to switch electrical power to liftgate on / off (if so equipped) For circuit breaker in liftgate battery compartment For main fuse in liftgate battery compartment DHOLLANDIA...

  • Page 43: Use Of The 'Warning. Liftgate Out Of Service. Do Not Attempt To Operate' Sign

    See examples below. The liftgate MUST not be used again until it has been serviced or repaired by a qualified service technician. Place this decal along with the User Manual in the glove box compartment of the vehicle. EF0586.US EXAMPLE DHOLLANDIA...

  • Page 44: Identification Decals

    14.3 IDENTIFICATION DECALS Every DHOLLANDIA liftgate is identified and labelled with a unique 8-digit serial number (with or without a space between the first and last 4 digits). This number is used for any inquiry on a particular liftgate, or when ordering replacement parts In addition to the liftgate type and serial number, the various serial number labels provide additional information such as: the maximum rated lift capacity and load chart, the bumper certification number, the date of manufacture, etc…...

  • Page 45: Appendix

    15.1 APPENDIX 1 - IMPORTANT SIGNS WARNING signs MANDATORY ACTION signs Overview and keep visual control over the working Contact your regional DHOLLANDIA distributor. area of the liftgate at all times. Consult the DHOLLANDIA website. General warning sign used to alert the user to potential hazards.
  • Page 46 Switch OFF the electrical power to the liftgate via the main battery disconnect switch and / or cabin switch. This is an operation to be executed manually (as opposed to an electrical function controlled by means of one of the control units). DHOLLANDIA...

  • Page 47: Appendix 2 - Prescribed Torques Values For Bolts Supplied With Liftgate

    Therefore, it is essential that the mounting plates are installed following the instructions of this manual. Banjo Bolt Torque Specifications BSPP Metric Pounds Newton Pounds Newton Banjo Banjo Force - Metre Force - Feet Metre Bolt Bolt Feet (lbsf- (Nm) (lbsf-ft) (Nm) Size Size 10.5 24.5 136.5 DHOLLANDIA...
  • Page 48 M12 x 1.75 60.5 lbs-ft lbs-ft M14 x 2 lbs-ft 136.5 lbs-ft M16 x 2 lbs-ft lbs-ft Fine M14 x 1.5 lbs-ft lbs-ft M16 x 1.5 lbs-ft lbs-ft M20 x 1.5 lbs-ft lbs-ft M24 x 2 lbs-ft lbs-ft DHOLLANDIA...

  • Page 49: Appendix 3 - Pdi Checklist 1/2

    The requirement for mechanical or hydraulic stabilizing legs has been checked and been fulfilled (if applicable). The actual fitting dimensions don’t exceed the theoretical maximum fitting dimensions mentioned in the fitting drawings. The lift has been fitted to conform with the fitting instructions of DHOLLANDIA, and the Body Building Guidelines of the OEM vehicle manufacturer.
  • Page 50 At vehicle floor level, the platform aligns flush with the extension plate. A hand grip for the operator to hold when lifting / lowering with the platform, is mounted on the rear frame of the vehicle body. 7- General operation, practical tests Y / N DHOLLANDIA...
  • Page 51 Operating a liftgate that hasn’t successfully passed the PDI can put the operator and third parties at great risk and could result in serious personal injury or death.  It is therefore essential that the PDI check is completed with due diligence, and any shortcomings rectified prior to delivery of the vehicle to the operator. DHOLLANDIA...

  • Page 52: Appendix 4 - Safe Operator Position On The Platform

     To reduce the risk that the operator falls from the platform, DHOLLANDIA recommends that the installer mounts a handgrip to the rear frame of the vehicle body. Such handgrip will enable the operator to ALWAYS maintain 4 points of contact while lifting or lowering on the platform.
  • Page 53 Figure 15.3 DHOLLANDIA...

  • Page 54: Appendix 5 - Circuit Breaker

    A resettable circuit breaker option is also available for the connection to the batteries. [Figure 15.4] Figure 15.4 NOTICE  Dhollandia supplies an internally grounded motor with the liftgate.  It is strongly recommended to complete the ground between the negative motor stud and the negative terminal on the vehicle battery.

  • Page 55: Appendix 6 - Cab Cut Off Switch

    Refer to the appropriate connection sequence in Figure 19.10 to properly connect the E0667 illuminated cab switch. Figure 15.5 Figure 15.6  For orders that shipped with option OAE510.15, refer to Figure 15.7 to properly connect the cab switch. Figure 15.7 DHOLLANDIA...

  • Page 56: Appendix 7 - Electric And Hydraulic Information

    The correct diagram applicable for the liftgate supplied can be found on the inside of the control box. If correct diagram is not present inside control box, contact the national DHOLLANDIA distributor for further assistance, or download from the website.
  • Page 57 1. Standard oil: ISO VG 22. This common and widely available hydraulic oil is used in the majority of DHOLLANDIA lifts, sold for use in “normal” climate conditions. This includes all countries excluding the Nordic countries suffering very cold winter climate. Refer to the product specifications of Q8 - Haydn ISO VG 22 (*) attached for further technical details.

  • Page 58: Appendix 8 - End Note

    15.8 APPENDIX 8 - END NOTE  DHOLLANDIA would like to thank you for using our products and leave you with this final notice and warning.  Additional information about this liftgate and many other DHOLLANDIA products is available at the following link: http://www.dhollandia.com...

This manual is also suitable for:

Dh-vou.k1Dh-vol.k1Dh-vom.k1Dh-voh.k1Dh-voh.k9Dh-vop series ... Show all

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