Dhollandia DH-L Series Installation Manual
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Dhollandia DH-L Series Installation Manual

Dhollandia DH-L Series Installation Manual

1500 - 3000 kg
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INSTALLATION MANUAL
DH-L* 1500 - 3000 kg
www.dhollandia.com
Explore the world of DHOLLANDIA liftgates at:
DHOLLANDIA n.v.
HQ office, Belgium
Zoomstraat 9
9160 Lokeren
Tel : +32 (0)9 349 06 92
info@dhollandia.be
Doc: FIT-LM30-EN-2015-rev 1 • Rev NR : 1 • Date : 09/2016
DHOLLANDIA
1 

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  • Page 1 INSTALLATION MANUAL DH-L* 1500 - 3000 kg www.dhollandia.com Explore the world of DHOLLANDIA liftgates at: DHOLLANDIA n.v. HQ office, Belgium Zoomstraat 9 9160 Lokeren Tel : +32 (0)9 349 06 92 info@dhollandia.be Doc: FIT-LM30-EN-2015-rev 1 • Rev NR : 1 • Date : 09/2016 DHOLLANDIA 1 ...

  • Page 2: Table Of Contents

    Quality control and PDI © Copyright 2015, DHOLLANDIA NV This publication, or parts thereof, may not be reproduced or transmitted in any form or by any means, electronically or physically, for any purpose without the express written authorization of DHOLLANDIA NV  DHOLLANDIA 2 ...

  • Page 3: Introduction & Disclaimer

    [white letters on red background] covered by this manual. In case of doubt, please contact your national DHOLLANDIA distributor for further assistance. WARNING : indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

  • Page 4: Operating Safety Precautions

    • Negligence can put the operator and third parties at great risk, and could result in severe personal injury or death. In case of doubt, contact the national DHOLLANDIA distributor for further assistance. • • The operation of the liftgate should be restricted to one single operator.

  • Page 5: Installation Safety Precautions

    Except for the support channels of the braces of the side steps, which are normally welded been duly trained, and understand the content of the installation and the owner’s to the cross members of the auxiliary chassis, DHOLLANDIA liftgates are designed manual, as well as all safety considerations involved in their job.

  • Page 6: Liftgate Terminology

    Lift cylinders L+R Tilt cylinders L+R Auto-tilt brackets L+R Hydraulic pump unit Rear underrun protection (RUP) L + M + R Rear underrun protection device (RUPD) [*] Control unit (depending on order) RUP / RUPD = official UN terminology DHOLLANDIA 6 ...

  • Page 7: Installation Parameters Terminology

    RUPD [= Lift BUmper to rear of Platform] lbug Vertical clearance of RUPD to ground [= Lift BUmper to Ground] [= Platform Depth] pduf Section of the platform that protrudes below the vehicle bed in closed position [= Platform Depth Under Floor] DHOLLANDIA 7 ...
  • Page 8 Thickness of the rear cross member or sill of the vehicle bed [= Body Floor Thickness] Max. thickness of the rear cross member or sill of the vehicle bed, in the maneuver zone bcw for the lift arms and tilt cylinders [= Lift Floor Thickness] DHOLLANDIA 8 ...

  • Page 9: Getting Started

    In the event instructions of vehicle manufacturer conflict with the installation instructions • Finish the liftgate in compliance with applicable road legislation of the country where the issued by DHOLLANDIA (e.g. on fuse ratings, etc.), contact your national DHOLLANDIA vehicle will be registered. distributor for further assistance.
  • Page 10 • Do not release the locking bolts of the auto-tilt Fig. 6.1 brackets on the lift frame before the liftgate installation is fully finished. DHOLLANDIA 10 ...

  • Page 11: Installation Dimensions

    2. In case of short mounting space lof / lop, you could mfc max.  choose to fit liftgate lower to the ground mfc min.  3. To comply with RUP regulations, you could choose to mcg max.  fit liftgate higher above or lower to the ground. lof  abbreviations lof  04/2016 DHOLLANDIA 11 ...
  • Page 12 RUP complies with regulations. • Required mounting space lof / lop will vary in function of arm length larm and chosen mounting height mfc. Refer to sources mentioned above for values. [fig. 7.7].   Fig. 7.7 DHOLLANDIA 12 ...
  • Page 13 (1) < lft (2) corrosive coating to protect the vehicle and body against corrosion. Check, and make sure you comply with the instructions of the vehicle manufacturer. DHOLLANDIA 13 ...

  • Page 14: Methods To Mount Lift Frame

    Methods 1 and 2 can only be used for STANDARD • platforms with a conventional rounded edge [ref. OAP310]. Platforms with extended edge [options OAP312, OAP313, OAP407, etc.) require a special approach. Consult your national DHOLLANDIA distributor further assistance. DHOLLANDIA 14 ...

  • Page 15: Method With Fitting Jigs

    • If liftgate is mounted with a rubber seal kit between the closed platform and vehicle body, the position of the fitting jigs must be adjusted to suit the thickness of the sealing rubbers [§8.3]. DHOLLANDIA 15 ...

  • Page 16: Method With Vertical Platform

    • If liftgate is mounted with a rubber seal kit between the closed platform and vehicle body, the position of the platform must be adjusted to suit the thickness of the sealing rubbers [§8.3]. DHOLLANDIA 16 ...

  • Page 17: Impact Of Rubber Platform Seals

    E.g. cargo boxes with protruding door locks [fig. 8.4.1]. Fig. 8.4.2 • Problems and solutions for such cases are described in separate document (available on internet or from your national DHOLLANDIA distributor [fig. 8.4.2]: FIT-LM-container locks-yyyy-01-EN DHOLLANDIA 17 ...
  • Page 18 • The gap between the rear cross member of the vehicle bed and the inboard platform edge will need to be covered by a bridge plate or other techniques [separate instructions above under fig. 8.4.2]. DHOLLANDIA 18 ...

  • Page 19: Mounting Of The Lift Frame Under Chassis

    • It is not allowed to reduce the width of the mounting plates without prior formal authorization from DHOLLANDIA. DHOLLANDIA 19 ...

  • Page 20: Fixation Of The Mounting Plates

    Ensure that the lift frame is correctly centred under the vehicle chassis and body. [fig. 9.2.1] • Adjust the mounting plates to the width of the vehicle. • Straighten the mounting plates, and make sure they stand perpendicular to the lift frame. [fig. 9.2.1] DHOLLANDIA 20 ...
  • Page 21 The mounting plates should be bolted to the lift • Fig. 9.2.2 frame according to the schemes on next page: DHOLLANDIA 21 ...
  • Page 22 If the mounting plates are too high, and interfere with the subframe or cross-bearers of the vehicle body, they can be shortened in height, but with respect for the minimum requirements for the bolts and other instructions in this chapter. DHOLLANDIA 22 ...
  • Page 23 During installation, the bolts and nuts must be fastened to the adequate torque, prescribed in these mounting instructions. • If you use mounting bolts not supplied by DHOLLANDIA, obtain confirmation of the required torque from your supplier. • Check and retighten bolts after the static and dynamic weight test performed at the end of the mounting procedure.

  • Page 24: Additional Remarks For Heavy-Duty Lifts And Very Long

    Fig. 9.3.2 [fig. 9.3.2]: DH-LM.30 / DH-LSU / … ≥ 3000 kg or PD ≥ 2300 mm 1. Inquire at DHOLLANDIA if longer plates are available Reinforcement R1 if H2 ≥ 100 2. Or extend the plates according to the instructions Reinforcement R2 if H2 ≥...

  • Page 25: Notes For I-Beam Chassis (Trailers And Semi-Trailers)

    NOTICE   • In case of doubt how to install the tailgate correctly, DON’T go any further, but ask your local DHOLLANDIA distributor for professional advice. • Negligence can put the technical personnel, the operator, and third parties at great risk, and could result in sever injury or death.

  • Page 26: Rupd And Towing Hitches

    A.3]. All bolts must be fastened with the adequate torque. • In case the towing hitch assembly must be repositioned in height and / or depth, the same Fig. 9.6.2 number of bolts as originally supplied must be used, and fastened with the adequate torque. DHOLLANDIA 26 ...
  • Page 27 RUPD and towing hitch constructions must be installed • according to DHOLLANDIA’s instructions, and all bolts fastened with the adequate torque [Annex A.1]. It is not allowed to modify these constructions without prior written approval from DHOLLANDIA.

  • Page 28: Mounting Of Platform

    • Installer must consult and follow the DHOLLANDIA general instructions for maintenance and repair. • In case of doubt, contact the national DHOLLANDIA distributor for further assistance. • If lift cylinders have been disconnected from lift arms, grease bearings in lift arms [GP6+GP14 in fig. 11.1].
  • Page 29 • Once platform is unhooked, installer should remain vigilant as long as air in hydraulic system is not purged, stay out of reach of the platform, and keep clear of moving parts of the lift. DHOLLANDIA 29 ...

  • Page 30: Other Mechanical Works

    Fig. 11.1.5 • Verify effect of arm stops on platform alignment at vehicle bed, and pressure on sealing rubbers (if applicable). Adjust position and orientation of arm stops if needed. • Fasten all bolted connections with the required torque. DHOLLANDIA 30 ...

  • Page 31: Platform Stow Position

    Adjust the extension so that the center of its hole [A1] is 5 to max. 10 mm longer than the center of the hole [A2] in Fig. 11.2.4 the platform hand. [fig. 11.2.3] LM.15 - LM.20 LM.30 - LV.40 DHOLLANDIA 31 ...
  • Page 32 LM.15 - LM.20 shown opposite [fig. 11.2.5]. Other extensions are needed if these safe limits cannot be respected. Consult your national DHOLLANDIA distributor for further advice. • If extensions are unwound beyond safe limits, this can cause the tilt cylinders to fail and the platform to fall down.

  • Page 33: Installation Of The Rupd

    [fig. 11.3.1]. The certification number appears on the RUPD, the certificates are available on the website: www.dhollandia.com > downloads • Most RUPD have a fixed position on the lift frame. The installer should adjust the mounting height mfc of the lift frame, to ensure compliance with legal RUPD requirements.

  • Page 34: Electrical Installation

    Where such prescriptions conflict with the fitting instructions of DHOLLANDIA, contact the vehicle importer or DHOLLANDIA for further advice. DHOLLANDIA...

  • Page 35: Optional Mounting Brackets

    In standard execution, the control box is supplied loose, and is physically mounted to the vehicle body by the installer.   • DHOLLANDIA offers several options to accelerate installation. The most important:   • OAM025: adjustable mounting bracket for standard control box [fig.

  • Page 36: Putting The Liftgate Into Service

    • Lower and remove the hydraulic mounting jack. Remove the C-clamps, chains and hoists and other support means that have been used during installation. DHOLLANDIA 36 ...
  • Page 37 [fig. 13.2] • LOWER platform fully to its deepest position at ground, and press LOWER buttons for 20 sec. LIFT platform again and repeat until no air bubbles back to oil reservoir [fig. 13.3] DHOLLANDIA 37 ...

  • Page 38: Lubrication Instructions

    Fig. 14.1 • Refer to annexes for relevant grease plan of the liftgate, or download from the wegsite: www.dhollandia.com > downloads • All articulation points equipped with grease nipples [fig. 14.1] should be lubricated with acid free grease after installation, and once in service with intervals as indicated in the user’s manual.

  • Page 39: Quality Control And Pdi

    [fig. Fig. 15.4 Fig. 15.5 15.3] Work through the PDI check-list included in chapter 3 of • the user’s manual. Complete the practical weight tests indicated. Fill-out the FITTING DECLARATION. DHOLLANDIA 39 ...
  • Page 40 PDI can lead to premature wear or damage of the liftgate itself. • Operating a liftgate that hasn’t successfully passed the PDI can put the operator and third parties at great risk, and could result in sever personal injury or death. Max. 1.500 kg  DHOLLANDIA 40 ...

  • Page 41: Annexes

    M20 x 1.5 premature wear or damage of the liftgate itself. M24 x 2 Incorrect tightening of mounting bolts can put the • operator and third parties at great risk, and could result in sever personal injury or death. DHOLLANDIA 41 ...

  • Page 42: A2 Safety & Warning Signs

    General warning sign, used to alert the user to Consult the DHOLLANDIA website. Drill hole(s) following instructions. potential hazards. All messages that follow this Download from DHOLLANDIA website.
  • Page 43 Liftgate with HYDRAULIC auto-tilt at ground level Follow the load instructions. Emergency stop. Will cause an immediate stop of the lift. Emergency exit. Provision (lever, valve,…) creating an emer- gency exit. Unlock. Disengage the mechanical locking system. DHOLLANDIA 43 ...

  • Page 44: A3 Grease Plans

    A.3– Grease plans • This annex includes grease plans for the most frequent liftgates DH-LM.15; DH-LM.20; DH- LM.30. • For special lifts, grease plans can deviate. Contact the national DHOLLANDIA distributor for further assistance, or download from the website www.dhollandia.com DHOLLANDIA 44 ...
  • Page 45 DHOLLANDIA 45 ...

  • Page 46: A4 Towing Hitch Assembly

    • RUPD and towing hitch constructions must be installed according to DHOLLANDIA’s instructions, and all bolts fastened with the adequate torque [Annex A.1]. It is not allowed to modify these constructions without prior written approval from DHOLLANDIA.
  • Page 47 DHOLLANDIA 47 ...
  • Page 48 DHOLLANDIA 48 ...

  • Page 49: A5 Electric And Hydraulic Diagrams

    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.

This manual is also suitable for:

Dh-lm.15Dh-lm.30Dh-lsuDh-lm.20

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