Dunlop DL240B+ Service manual

Date:
ReRead the operating
instructions before
working with the
unit
ALWAYS KEEP
operating instructions
ready to hand on the
unit
23/06/2023
DL240B+
Installation, Operating
and Service Manual

2
Indicates the operations which need proper care
Indicates prohibition
Indicates a possibility of danger for the operators
Indicates the direction of access for motor vehicles to the lift
GRASSET
TO
Important information
WARNING: before operating thelift and carrying out any adjustment, read
carefully chapter 4“Installation” where all proper operations forabetter
functioning of the lift are described..
Before
taking into operation
check system compo-
nents, control, emer-
gency stop and safety
equipment for conditi-
on, damage and
correct function!
Please read this manual before you get started.
You must read and understand the precautions for safety purposes and any damages that may occur
to your property.
If these installation instructions are not followed strictly, the hoist is not covered by warranty.
Address: 3 Graham Street
Export Park
South Australia 5950
Ph:
Fax:
Email:
Web:
[phone]
[phone]
[email protected]
www.molnarhoists.com.au
Specifications/images subject to change without prior notice, Images and sketches are for illustration purposes only.
PRINTING CHARACTERS AND SYMBOLS
Throughout this manual, the following symbols and printing characters are used to facilitate reading:
Forklifts are recommended during install

3
INDEX
GENERAL INFORMATION....................................................................................................................................................................5
1 – TECHNICAL DATA.............................................................................................................................................................................7
1.1 LIFT DESCRIPTION ........................................................................................................................................................................8
1.2 LAYOUT ..........................................................................................................................................................................................9
1.3 LOAD DISTRIBUTION...................................................................................................................................................................10
1.4 PICTOGRAMS...............................................................................................................................................................................11
1.4 PICTOGRAMS APPLICATION DIAGRAM.....................................................................................................................................12
1.5 HAZARDOUS AREAS ...................................................................................................................................................................12
2 - FOREWORD......................................................................................................................................................................................14
2.1 EC CERTIFICATION .....................................................................................................................................................................14
2.2 TESTING .......................................................................................................................................................................................14
3 - GENERAL SAFETY AND ACCIDENT-PREVENTION RULES .........................................................................................................15
3.1 SET-UP AND CLOTHING..............................................................................................................................................................16
3.2 ENVIRONMENT AND POLLUTION...............................................................................................................................................16
3.3 LIFT SCRAPPING .........................................................................................................................................................................16
3.3 DANGER LEVELS.........................................................................................................................................................................16
3.5 HAZARDOUS AREAS ...................................................................................................................................................................17
3.6 IDENTIFICATION OF THE LIFT AND DESCRIPTION OF PICTOGRAMS ...................................................................................17
3.7 INTENDED USE ............................................................................................................................................................................17
4 – TRANSPORT AND INSTALLATION ................................................................................................................................................18
4.1 UNPACKING .................................................................................................................................................................................18
4.2 INSTALLATION AREA ..................................................................................................................................................................18
4.3 INSTALLATION .............................................................................................................................................................................19
4.4 CONNECTING TO THE ELECTRICITY MAINS ............................................................................................................................21
4.5 ELECTRICAL HOOK UP ON THE CONTROL PANEL ..................................................................................................................22
4.6 ELECTRICAL HOOK UP BETWEEN THE TWO PILLARS............................................................................................................24
4.7 HYDRAULIC CONNECTION .........................................................................................................................................................25
4.8 CONNECTION CABLES OF SYNC...............................................................................................................................................26
5.1 START UP.....................................................................................................................................................................................27
5.2 UTILIZATION.................................................................................................................................................................................28
5.3 EMERGENCY PROCEDURES......................................................................................................................................................29
WARNING ...........................................................................................................................................................................................29
6 - MAINTENANCE ................................................................................................................................................................................29
7 – TROUBLESHOOTING ......................................................................................................................................................................31
8 - SCHEMES .........................................................................................................................................................................................31
PROCEDURE FOR THE ADJUSTMENT AND TESTING OF THE LIFT ................................................................................................39

4
BEFORE STARTING TO OPERATE WITH THE BRIDGE READ CAREFULLY THE INSTRUCTIONS
CONTAINED IN THIS MANUAL
WARRANTY
The manufacturer warrants lifts and the relevant accessories for 12 months after purchase date. This warranty
consists in the repair or replacement - free of charge - of those parts that, after a careful analysis by the
Manufacturer's Technical Service, turn out to be faulty from origin. All electrical parts are excluded. Warranty is
limited to material defects, and becomes null and void if the returned parts are tampered with or disassembled by
unauthorized staff. Any liability for direct and indirect injuries to people, animals or property due to machine failure
or malfunction are excluded from warranty. The expenses deriving from lubricants replacement, transport charges,
and any customs duty, VAT and any other expense not specified in the supply contract are at the purchaser's
charge. The replacement and repair of parts under warranty, anyway, do not extend warranty terms. The purchaser
will nevertheless be entitled to assert its rights on warranty, specified in the supply contract. Should the parties not
be willing to submit any dispute arising from the supply contract to arbitration, or in any other case where the
judgement of a body of the ordinary competent court is required, the Court of Reggio Emilia will be the only
competent court on the territory.
DISCLAIMER
Upon delivery, please check that the product has not been damaged during transportation, and that the
accessories coming with it are intact and complete. Any complaint shall be filed within 8 days after lift delivery date.
Besides the cases envisaged by the supply contract, the warranty becomes null and void:
•In case of a maneuver error caused by the operator.
•If the damage is caused by poor maintenance.
•If the envisaged capacity is exceeded.
•If the machine has been somehow modified, and the damage has been caused by such a modification, due to
repair operations by the user without the authorization of the manufacturer or after fitting non-original spare
parts.
•If the instructions described in the user's manual are not complied with.
THIS USER'S MANUAL IS WRITTEN IN THE MANUFACTURER'S LANGUAGE,
AND IN OTHER COMMUNITY LANGUAGES. IN CASE OF COMPLAINT,
FORLEGAL PURPOSES, THE VERSION IN ITALIAN LANGUAGE ONLY
WILLAPPLY. THE MANUFACTURER
DISCLAIMS ANY LIABILITY FOR
DIRECT AND/OR INDIRECT DAMAGES CAUSED BY POOR TRANSLATION
OR WRONGTEXT INTERPRETATION.

5
GENERAL INFORMATION
His chapter contains warning instructions to properly operate the lift and prevent injury to operators or property.
This manual has been written to be used by workshop technicians in charge of the lift
(OPERATOR) and routine maintenance technician (MAINTENANCE OPERATOR). The operating instructions are
considered to be an integral part of the machine and must remain with it for its whole useful life. Read every section
of this manual carefully before operating the lift and unpacking, since it gives helpful information about:
•SAFETY OF PEOPLE
•SAFETY OF THE LIFT
•SAFETY OF LIFTED VEHICLES
The company is not liable for possible problems, damage, accidents, etc. resulting from failure to follow
the instructions contained in this manual.
Only skilled technicians of AUTHORIZED DEALERS or SERVICE CENTRES AUTHORIZED by the manufacturer
shall be allowed to carry out lifting, transport, assembling, installation, adjustment, calibration, settings,
extraordinary maintenance, repairs, overhauling and dismantling of the lift.
The manufacturer is not responsible for possible damage to people, vehicles or objects if said operations
are carried out by unauthorized personnel or if the lift is improperly used.
Any use of the machine made by operators who are not familiar with the instructions
and procedures contained herein shall be forbidden.
MANUAL KEEPING
For a proper use of this manual, the following is recommended:
•Keep the manual near the lift, in an easily accessible place.
•Keep the manual in an area protected from damp.
•Use this manual properly without damaging it.
•Do not make any changes to this manual; any modifications and updates shall be made by the supplying
company only.
This manual is an integral part of the lift: it shall be given to the new owner if and when the lift is resold.
OBLIGATIONS IN CASE OF MALFUNCTION
In case of machine malfunction, follow the instructions contained in the following chapters.
CAUTIONS FOR THE SAFETY OF THE OPERATORS
Operators must not be under the influence of sedatives, drugs or alcohol when operating the machine.
Before operating the lift, operators must be familiar with the position and function of all controls,
as well as with the machine features shown in chapter “Operation and use”.

6
WARNINGS
Unauthorized changes and/or modifications to the machine relieve the manufacturer from any
liability for possible damage to objects or people. Do not remove or make inoperative the safety
devices, this would cause a violation of law and regulations on safety at work.
Any other use which differs from that provided for by the manufacturer of the machine is strictly
forbidden.
The use of non-original parts may cause damage to people or objects.
DECLARATION OF WARRANTY AND LIMITATION OF LIABILITY
The manufacturer has paid proper attention to the preparation of this manual. However, nothing contained herein
modifies or alters, in any way, the terms and conditions of the manufacturer agreement by which this lift was
purchased, nor increases, in any way, manufacturer’s liability towards the customer.
TO THE READER
Every effort has been made to ensure that the information contained in this manual is correct, complete and
updated. The manufacturer is not liable for any mistakes made when drawing up this manual and reserves the right
to make any changes required due to the development of the product, at any time.

7
1 –TECHNICAL DATA
BASIC MODEL
Max. capacity
Kg
4000
Lifting time when loaded
s
40
Lowering time when loaded
s
40
Minimum height
mm
100
Lifting height
mm
2045
Distance between the columns mm 2800
Lift max. height
mm
3415
Three-phase electric motor
Volt-Hz-
Amp
230V/400V/50/60Hz -8.2
Three-phase motor power
kW/HP
3/4
Single-phase electric motor
Volt-Hz-
Amp
220V – 50Hz -19.5
220V – 60Hz -20.5
Single-phase motor power kW/HP 3/4
Max. operating hydraulic pressure
Bar
280
Controls circuit voltage
Volt
24
Total weight of lift
Kg
751 / 821
Package size (for shipment)
mm
2870x842x510
Recommended hydraulic oil
Tipo
46
Hydraulic system oil quantity Lt 9
Fixing to the floor with screw anchors N°10 HST3-M12x105 30/10
Weight electric / electronic materials
Kg
8
Motor weight
Kg
15
Average weighed sound level LpAm dB(A) 68,2
Average sound level at the operator's
workstation LpA
dB(A) 72
Acoustic power LwA
dB(A)
88,6
THE LIFTER ISSUPPLIED STANDARD WITH 220V-1PH-50HZ POWER SUPPLY. ONLY ONREQUEST,
IT CAN BE SUPPLIED WITH DIFFERENT ELECTRIC POWER SUPPLY.

8
1.1 LIFT DESCRIPTION
DESCRIPTION OF THE LIFT
1. P1 Column
2. P2 Column
3. P1 Carriage
4. P2 Carriage
5. 3 Stage long lifting arm
7. Cable passage cover
8. Electric motor
9. Emergency switch
10. Power on light
11. Up push-button
12. Down push-button
13. Safety device push-button
14. Hydraulic power unit
15. Control panel
16. Chain breaking safety limit switch
17. Electromagnet for unlocking mechanical
safety devices
18 Reinforce base mounting frame

9
1.2 LAYOUT

10
1.3 LOAD DISTRIBUTION