Nexion Molnar CM245-A Guide
Date: 19.06.2023
CM245-A
CM255-A
Read the operating
instructions before
working with the
unit
ALWAYS KEEP
operating instructions
ready to hand on the
unit
Installation, Operation &
Maintenance Instructions
2 / 44
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:
+61 (08) 8234 3611
+61 (08) 8234 4322
www.molnarhoists.com.au
Specifications/images subject to change without prior notice, Images and sketches are for illustration purposes only.
CM245/55-A
Forklifts are recommended during install
3 / 44
Printing characters and symbols
Throughout this manual, the following symbols and printing characters are used to facilitate reading:
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
Bold type Important information
WARNING: before operating the lift and carrying out any adjustment, read care-
fully chapter 4 "Installation" where all proper operations for a better functioning
of the lift are described
THIS USER'S MANUAL IS WRITTEN IN THE MANUFACTURER'S LANGUAGE,
AND IN OTHER COMMUNITY LANGUAGES. IN CASE OF COMPLAINT, FOR LEGAL PUR-
POSES, THE VERSION IN ITALIAN LANGUAGE ONLY WILL APPLY. THE MANUFACTURER
DISCLAIMS ANY LIABILITY FOR DIRECT AND/OR INDIRECT DAMAGES CAUSED BY POOR
TRANSLATION OR WRONG TEXT INTERPRETATION.
CM245/55-A
4 / 44
Table of contents
Printing characters and symbols ...............................................................................................................3
Warranty ...................................................................................................................................................5
Disclaimer ..................................................................................................................................................5
General information ................................................................................................................................... 5
1. Technical data ..........................................................................................................................7
1.1 Lift description ............................................................................................................................8
1.2 Safetydevicesfittedonthelift ...................................................................................................9
1.3 Load distribution ....................................................................................................................... 10
1.4 Pictograms ............................................................................................................................... 11
1.5 Pictograms application diagram ...............................................................................................12
1.6 Hazardous areas ...................................................................................................................... 13
2. Foreword ................................................................................................................................. 14
2.1 ECcertification .........................................................................................................................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 ............................................................................................................................ 17
3.4 Danger levels ...........................................................................................................................17
3.5 Hazardous areas ...................................................................................................................... 18
3.6 Liftidentificationandpictogramdescription .............................................................................18
3.7 Intended use ............................................................................................................................18
4. Transport and installation .....................................................................................................19
4.1 Unpacking ................................................................................................................................19
4.2 Installation area ........................................................................................................................ 19
4.3 Installation ................................................................................................................................20
4.3.1 Beam installation ......................................................................................................................23
4.4 Connecting to the electricity mains ..........................................................................................24
4.5 Electromagnet ..........................................................................................................................25
4.6 Electrical connection between the two pillars ...........................................................................26
4.7 Hydraulic connection ................................................................................................................27
4.8 Connection cables of sync .......................................................................................................28
4.9 Fitting of arms ..........................................................................................................................31
4.10 Control of motor rotation direction ............................................................................................33
4.11 Airexhaustoffhydraulicsystem ..............................................................................................33
5. Instructions for use ................................................................................................................34
5.1 Start up .....................................................................................................................................34
5.1.1 Adjustment of the lifting time for release of the safety locks ................................................... 34
5.2 Operation .................................................................................................................................34
5.3 Emergency procedures ............................................................................................................36
6. Maintenance ...........................................................................................................................37
6.1 Cleaning ...................................................................................................................................37
6.2 Storage .....................................................................................................................................37
6.3 Environmental information .......................................................................................................37
6.4 Firefightingequipmenttobeused ............................................................................................38
7. Troubleshooting .....................................................................................................................39
8. Diagrams .................................................................................................................................40
8.1 Electrical diagram .....................................................................................................................41
8.2 Hydraulic connection diagram ..................................................................................................41
8.3 Hydraulic diagram ....................................................................................................................42
9. Procedure for the adjustment and testing of the lift ...........................................................43
CM245/55-A
5 / 44
Warranty
The manufacturer warrants lifts and the relevant accessories for 3 years after purchase date. This warranty
consists in the repair or replacement - free of charge - of those parts that, after a careful analysis by the Ma-
nufacturer'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
byunauthorizedstaff.Anyliabilityfordirectandindirectinjuriestopeople,animalsorpropertyduetomachine
failure or malfunction are excluded from warranty. The expenses deriving from lubricants replacement, trans-
portcharges,andanycustomsduty,VATandanyotherexpensenotspeciedinthesupplycontractareat
the purchaser's charge. The replacement and repair of parts under warranty, anyway, do not extend warranty
terms.Thepurchaserwillneverthelessbeentitledtoassertitsrightsonwarranty,speciedinthesupplycon-
tract. Should the parties not be willing to submit any dispute arising from the supply contract to arbitration, or
in anyothercasewherethejudgmentofabodyoftheordinarycompetentcourtisrequired.
Disclaimer
Upon delivery, please check that the product has not been damaged during transportation, and that the acces-
soriescomingwithitareintactandcomplete.Anycomplaintshallbefiledwithin8daysafterliftdeliverydate.
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.
•Ifthemachinehasbeensomehowmodified,andthedamagehasbeencausedbysuchamodification,due
torepairoperationsbytheuserwithouttheauthorizationofthemanufacturerorafterfittingnon-original
spare parts.
•If the instructions described in the user's manual are not complied with.
General information
This 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 fol-
low the instructions contained in this manual.
Only skilled technicians of AUTHORIZED DEALERS or SERVICE CENTRES AUTHORIZED by the manufac-
turer 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 operati-
ons 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.
CM245/55-A
6 / 44
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.
•Donotmakeanychangestothismanual;anymodificationsandupdatesshallbemadebythesupplying
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 fol-
lowing chapters.
Cautions for the safety of the operators
Operatorsmustnotbeundertheinfluenceofsedatives,drugsoralcoholwhenoperatingthemachine.
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 chap-
ter “Operation and use”.
Warnings
Unauthorized changes and/or modifications to the machine relieve the ma-
nufacturer 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
hereinmodifiesoralters,inanyway,thetermsandconditionsofthemanufactureragreementbywhichthislift
was purchased, nor increases, in any way, manufacturer’s liability towards the customer.
To the reader
Everyefforthasbeenmadetoensurethattheinformationcontainedinthismanualiscorrect,completeand
updated. The manufacturer is not liable for any mistakes made when drawing up this manual and reserves the
righttomakeanychangesrequiredduetothedevelopmentoftheproduct,atanytime.
CM245/55-A
7 / 44
1. Technical Data
**) For further informations - see foundation plan
ThespecificsoftheresponsiblestructuralEngineerareauthoritative
THE LIFT IS SUPPLIED STANDARD WITH 400V-3PH-50HZ POWER SUPPLY.
CM245-A
Max. capacity Kg 4,500
Lifting time when loaded s
Lowering time when loaded s
Minimum height mm
Lifting height mm
Distance between the columns mm
Lift max. height mm
Three-phase electric motor Volt-Hz-
Amp
Three-phase motor power kW/HP
Single-phase electric motor Volt-Hz-
Amp
Single-phase motor power kW/HP
Max. operating hydraulic pressure Bar
Controls circuit voltage Volt
Total weight of lift Kg
Min. thickness of concrete mm
Recommended hydraulic oil Tipo
Hydraulic system oil quantity Lt
Fixing to the floor with screw anchors N°10
Weight electric / electronic materials Kg
Motor weight Kg
Average weighed sound level LpAm dB(A)
Average sound level at the operator's
workstation LpA dB(A)
Acoustic power LwA dB(A)
5,500
CM255-A
88.6
72
68.2
15
8
9 (optional)
Hilti HST3-M20x170
46
1200
24
200
3
220V – 50Hz -19.5
220V – 60 Hz -20,5
3
230/400V –
50/60Hz - 8.2
Approx. 50 seconds
Approx. 50 seconds
105mm
1990mm
2898mm
2005mm
Approx. 30 seconds
Approx. 30 seconds
90mm
1990mm
2520mm
2005mm
230/400V –
50/60Hz - 8.2
3
220V – 50Hz -19.5
220V – 60 Hz -20,5
3
200
24
1200
46
9 (optional)
Hilti HST3-M20x170
8
15
68.2
72
88.6
CM245/55-A
140 140
8 / 44
1.1 Lift description
1 P1 Column 7 Beam
2 P2 Column 8 Electric motor
3 Column Extension L=600mm(optional) 14 Hydraulic pump unit
4 Column Extension L=1200mm(optional) 15 Control unit
5 Carriage 17 Electromagnet for unlocking mechanical safe-
ty devices
6 3 Stage lifting arm
CM245/55-A
9 / 44
Easy and simple operation by means of "dead-man controlled" pushbuttons placed on the control box - see the
belowfigure.
1.2 Safety devices fitted on the lift
Part Description
Safety ratchet The safety lock is attached to the side of the post and prevents the lowering of the lift
in the event of a hydraulic circuit damage.
The safety lock is not in operation in the lower part of the lift range beneath the lock
position. (Safety lock is operational at heights above 570 mm).
Check valve The check valve ensures that the rated lifting capacity is not exceeded.
Cable The cable connects the 2 lift carriages left and right to ensure synchronization at all
times and to ensure that they remain at the same horizontal level.
CE-stop When lowering the lift stops at approx. 300 mm from bottom position and a warning
buzzer is activated.
See chapter 5.2 for more detailed description.
Emergency stop Main switch is also the emergency stop
Push button
DOWN
Push button
PARKING
Push button
DOWN (within
CE-stop height)
Push button UP
Main Switch
CM245/55-A
10 / 44
1.3 Load distribution
Fv
Fh
Front load ratio (Fv) : rear load ratio (Fh)
FV : Fh = 60 : 40 and 60 : 40
This assumption is based on a vehicle with a chassis width of 1,00 m.
= Recommended drive-on direction
CM245/55-A
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