Table of Contents
Advertisement
Quick Links
DH-RMH 44 / 55
INSTALLATION MANUAL
Manufacturer:
DHOLLANDIA US, L.L.C.
E-mail : Technical.US@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
Order ref: xxx Doc: FIT_US installation manual RMH_US EN_2023 Rev: 1 Date: SEPTEMBER 1, 2023
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Dhollandia DH-RMH 44
Summary of Contents for Dhollandia DH-RMH 44
- Page 1 DH-RMH 44 / 55 INSTALLATION MANUAL Manufacturer: DHOLLANDIA US, L.L.C. E-mail : Technical.US@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
Use of the ‘WARNING. LIFTGATE OUT OF SERVICE. DO NOT ATTEMPT TO OPERATE’ sign ........49 APPENDIX ....................................... 50 19.1 Meaning of the safety and warning signs ..........................50 19.2 Prescribed torque values for bolts and nuts ..........................52 DHOLLANDIA... - Page 3 19.3 Electric and hydraulic requirements ............................53 19.4 Safe operator position on the platform ............................ 55 19.5 End note ....................................56 19.6 Basic wiring diagrams ................................56 19.7 Checklist for preventative maintenance and repair ......................... 56 DHOLLANDIA...
-
Page 4: 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 19.1 on page 50 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. -
Page 5: Introduction, Contact Info And Disclaimers
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 • DHOLLANDIA disclaims any liability for damage arising from modifications to the vehicle in its entirety as a result from installation. All modifications to the vehicle must be done in accordance to instructions issued by the vehicle and body manufacturer.
-
Page 7: Safety Precautions For Operation
• Safety instructions are a matter of progressive insight. The basics are listed in this manual, but contact the national DHOLLANDIA distributor for a copy of the latest set of instructions [see contact info on page 4], or download the latest edition from the DHOLLANDIA website: www.dhollandia.com →... - Page 8 ALWAYS confirm you have reviewed the most up-to-date version of these manuals prior to installation and operation of the associated 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: safety glasses with side guards or a wrap-around face shield;...
-
Page 9: Liftgate Terminology
Make sure the main battery power is disconnected while installing the liftgate. Connect the battery power to the liftgate only when the installation is completed, or as required in the installation instructions. • DHOLLANDIA liftgates are designed as a bolt-on system, and don’t require any welding. See appendix 19.2 on page 52 for prescribed torque values. •... -
Page 10: Installation Parameters Terminology
Mounting height Floor to top of lift frame Mounting height of lift frame above the ground: measured from the floor of the Tube vehicle to the top of the lift frame tube Mounting clearance Plates to Ground Ground clearance under liftgate Platform Depth Overall platform depth DHOLLANDIA... - Page 11 Required overhang to end of the premounted power pack Lift Arm Center Center width of the lift arm CHassis Width Chassis width of the vehicle bwo min Body Width Outside min Min. body width with power pack in premounted position DHOLLANDIA...
-
Page 12: Getting Started
• DHOLLANDIA disclaims any liability for damage arising from modifications to the vehicle in its entirety as a result from installation. All modifications to the vehicle must be done in accordance to instructions issued by the vehicle and body manufacturer. -
Page 13: Installation Dimensions And Guidelines
6 INSTALLATION DIMENSIONS AND GUIDELINES INSTALLATION DIMENSIONS RMH* bed heights 48” – 51” RMH* bed heights 50” – 56” DHOLLANDIA... -
Page 14: Installation Resources
FULLY LOADED vehicle. In case of a lower vfh, the risk exists that the platform will not fold / unfold under the bed extension. INSTALLATION RESOURCES • If in doubt about any installation parameters given, please reach out to your local DHOLLANDIA distributor. • See contact info on page 4. DHOLLANDIA... -
Page 15: Bed Extension And Chassis Cut
It is possible to mount the lift at a higher ground clearance mpg; or at a lower ground clearance (e.g. to fit within a shorter mounting space). Ask DHOLLANDIA to confirm the required chassis cut dimensions, as these might change in relation to the new ground clearance mpg. - Page 16 • Deviation from the recommended mounting height will cause a change in the chassis cut needed. • Be sure to consider these factors when performing the chassis cut for the installation of your liftgate. • Contact DHOLLANDIA if you have questions. Please see contact info on page 4. •...
-
Page 17: Rear Sill Cut
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 18: Mounting Of The Bed Extension
Ensure the bed extension is level with the vehicle floor, and flush with the top surface of the rear sill. • Then tighten the bolts to the prescribed torque. Work from the center outward. See 19.2 on page 52 for prescribed torques. DHOLLANDIA... - Page 19 Before welding, note that welding on galvanized parts releases hazardous fumes. Provide adequate ventilation, and war an appropriate toxic fume rated welding respirator. • It is strongly recommended to first grind off the galvanizing in areas where welding is to be done. DHOLLANDIA...
-
Page 20: Mounting Of The Lift Frame (Premounted Platform)
• These bolts may be loosened or removed entirely during installation. • After installation is complete, these bolts should be reinstalled and fastened to the proper torque. DHOLLANDIA... - Page 21 They may also be bolted towards the outside of the lift frame widths chw. The mount plates can both be bolted towards the to accommodate a ~34 ¼ ” chw. Both models are depicted inside of the lift frame to accommodate a ~33” chw. below. DHOLLANDIA...
- Page 22 Therefore, handle the platform and attached lift frame with great care. Use hoists and a gantry crane to raise the platform and attached lift frame in their correct mounting position. • Place C-clamps on each side of the platform to prevent the hoist chain from slipping off the platform. DHOLLANDIA...
- Page 23 Ensure the platform and lift frame are positioned in conformance with the mounting instructions and dimensions indicated in the installation drawing and manual, before drilling or welding the mount plates to the chassis. • DO NOT reduce the height of the mount plates without prior written authorization from DHOLLANDIA. DHOLLANDIA...
-
Page 24: Fixation Of The Mount Plates
Fasten the mounting bolts with the prescribed torque (see values for “shear”). • Disregard could lead to a fall of the liftgate and its load, and may put the operator and bystanders at risk of serious personal injury or death. DHOLLANDIA... - Page 25 NOTICE • Various vehicles manufacturers offer pre-punched chassis and don’t allow you to drill additional holes through the chassis beams. • Consult the Fitting and Body Building Instructions of the vehicle manufacturer, and make sure you comply. DHOLLANDIA...
- Page 26 During installation, the bolts and nuts should be fastened to the proper torque, shown in these installation instructions. • If you use mounting bolts not supplied by DHOLLANDIA, make sure the total strength is at least equivalent as per this manual. •...
-
Page 27: General Remarks
NOTICE WARNING • In case of doubt about how to install the liftgate correctly, DO NOT 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 severe injury or death. -
Page 28: Installation Of Electrical Controls
Prevent ingress of water into the pump unit and control boxes if applicable. • Route and secure cables downward, forming a “drip loop” as they exit the pump unit. • Connect the wires of the cable to the connection points in the pump unit as per wiring diagram below. DHOLLANDIA... - Page 29 DHOLLANDIA...
-
Page 30: Installation Of The Cabin Switch (Oae510.15 - E0393.S.15)
• The switch interrupts power from the vehicle batteries to the connection block inside the power pack. • This cable wiring for the cabin switch must be a minimum of 16 AWG (1.5mm ) to avoid voltage drop issues. DHOLLANDIA... -
Page 31: Installation Of Extra Controls - 2 Button Remote Control (Oae001 - E0787.2.H)
Prevent ingress of water into the pump unit and control boxes if applicable. • Route and secure cables downward, forming a “drip loop” as they exit the pump unit. • Connect the wires of the cable to the connection points in the pump unit, as per wiring diagram below. DHOLLANDIA... - Page 32 DHOLLANDIA...
-
Page 33: Electrical Installation
To ensure the reliability of the lift over many years after installation, check and make sure the cables pass through the back plate of the pump unit, are properly mounted, and will seal the inside of the pump. • DHOLLANDIA disclaims liability for any personal injury or property damage that results from improper or negligent installation. (+) battery cable Motor solenoid... - Page 34 Use a second wrench so the ground terminal instructions in section 11 on page 27. does not turn in its place. Turning the terminal in place will damage the grounding inside the motor and render it inoperable. DHOLLANDIA...
- Page 35 • Make sure this conduit is suitable for automotive purposes, and its class is adapted to possible sources of heat nearby. In case of doubt, contact your national DHOLLANDIA distributor. See page 4 for contact info. • Fasten all connections at both ends of the cables thoroughly. Loose connections can lead to bad contacts and overheating, followed by premature failing of the electrical circuit.
-
Page 36: Installation Of Auxiliary Battery Box (Oae400.Na.1)
It is highly recommended to install circuit protection between the batteries (not included) and the liftgate. This should be done as close to the (+) positive terminal of the batteries as possible. • Circuit protection can be done by means of a fuse or circuit breaker. DHOLLANDIA... -
Page 37: Putting The Liftgate Into Service
The installer MUST remain vigilant and stay out of the range of motion of the platform and the moving parts of the lift as long as the hydraulic circuits have not been bled and all functions duly tested. DHOLLANDIA... - Page 38 • Therefore, it is important that you adjust the platform opener so that the platform stands just inside from vertical position when lowered to the ground, and the operator can unfold the platform sections comfortably. DHOLLANDIA...
-
Page 39: Platform Orientation
Falling cargo will put the operator and any bystanders at serious risk of bodily injury and death. • Therefore, it is important that the pitch of the flip-over point and complete platform are adjusted correctly conform with instructions in this manual. DHOLLANDIA... -
Page 40: Mounting Of The Side Steps
Maintain a 90° angle between the steps and the bed extension. • Fasten 2x M14 bolts and locking nuts per side to the prescribed torque settings For the proper torque specs, please refer to appendix 19.2 on page 52. DHOLLANDIA... - Page 41 Refer to section 19.4 on page 55 regarding the safe operator position on the platform and climbing up the side steps safety with the placement of hand grips on the vehicle body. NOTICE CAUTION • If you intend to weld, ALWAYS follow the NOTICE and CAUTION with regards to welding in section 4 on page 6. DHOLLANDIA...
-
Page 42: Mounting Of The Optional Widening Blocks (Oam053)
At the time of the liftgate order, 102” body widening blocks for the bed extension may have been specified. • If so, refer to the installation graphic below. • Maintain a 90° angle between the steps and the bed extension. • Fasten 4x M16 bolts and locking nuts per side to the prescribed torque settings. DHOLLANDIA... -
Page 43: Mounting Of The Optional Bumper Light Cluster Kit (Oam060.01 / .02)
Fasten 3x M10 bolts and locking nuts per side to the prescribed torque settings. NOTICE • DHOLLANDIA US offers a lamp kit to pair with option OAM060*. • If specified during the order process, these lamps (with integrated backup lights) will be included along with wiring instructions to the vehicle. -
Page 44: Lubrication Instructions
Refer to appendix 19.7 from page 56 onwards for the relevant maintenance checklist for DH-R* style liftgates. Download any grease plans from the website at: www.dhollandia.com → Country & language selection → Downloads → Maintenance & Repair → Grease plans → … select required plan •... - Page 45 DHOLLANDIA...
-
Page 46: Quality Control And Pdi
16 x 16” (400 mm) at a safe distance of 10” (250 mm) removed from the hazardous crushing area between the inboard edge of the platform and the rear sill of the vehicle body. • Work through the CHECKLIST FOR THE PRE-DELIVERY- INSPECTION (PDI) TEST. See Appendix 19.7 on page 56. • Complete the practical tests indicated therein. DHOLLANDIA... - Page 47 • Adjust the pressure if too high or too low, seal the pressure relief valve after that. • If in doubt how to adjust the pressure relief valve, contact your national DHOLLANDIA distributor for help. See contact info on page 4. •...
-
Page 48: Decals
Note: the decals marked as “EXAMPLE” can vary in function of the maximum rated capacity of the liftgate, or the chosen type of external control box. NOTICE • Remove any unwanted debris or residue from surfaces before installing any of the decals to ensure proper adhesion. DHOLLANDIA... - Page 49 EF0580.EN.CAP ❶ ❸ EF0565.EN ❺ EF0616.US EF0618.EN ❹ ❻ Loading decal (with SNR) ❽ EF0562.EN EF0597.US ❼ LIFTGATE DECALS USED AND AFFIXED IN AREAS OTHER THAN THE REAR OF THE VEHICLE: Serial tag for Owner’s Manual EF0814.EN.US EF0816.ENFR EF0817.ENFR DHOLLANDIA...
-
Page 50: 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 DHOLLANDIA... -
Page 51: Appendix
19.1 MEANING OF THE SAFETY AND WARNING SIGNS WARNING signs MANDATORY ACTION signs Overview and keep visual control over the Contact your regional DHOLLANDIA distributor. working area of the hydraulic ramp at all times. General warning sign used to alert the user to Consult the DHOLLANDIA website. - Page 52 / or Switch between external and internal controls. 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 53: Prescribed Torque Values For Bolts And Nuts
A fall of the liftgate off the chassis can damage the liftgate and / or vehicle chassis and can cause serious bodily injury or death to the operator and any bystanders. • Therefore, it is essential that the mount plates are installed following the instructions of this manual. DHOLLANDIA... -
Page 54: Electric And Hydraulic Requirements
• The applicable wiring diagrams are saved at the inside of the main external control box and can be found there for reference. • A copy of the wiring diagrams can also be obtained from the national DHOLLANDIA distributor [see contact info on page 4];... - Page 55 It is important to follow these guidelines with due care. A lot of oils or fluids used in automotive industry, such as transmission fluids and ATF oils, are not suitable for liftgate use. DHOLLANDIA has not tested the potential consequences of oils and fluids with deviating specifications and cannot be held responsible or legally liable for any damage to the liftgate caused by the replenishment with non-compatible oils or fluids;...
-
Page 56: Safe Operator Position On The Platform
3 points of contact while travelling on the platform, in accordance with the operation manual.] • The handgrip is normally foreseen by the body builder as part of the design of the box. A DHOLLANDIA alternative can be ordered with spare part ref. M1406. -
Page 57: End Note
19.5 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/...
Need help?
Do you have a question about the DH-RMH 44 and is the answer not in the manual?
Questions and answers