MAHA RGE UC User manual

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RGE UC
Mobile Column Lift
Original Operating Instructions
BA492301-en
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© MAHA Maschinenbau Haldenwang GmbH & Co. KG
Legal notice based on ISO 16016:
The reproduction, distribution and utilization of this document as well as the communication of its
contents to others without explicit authorization is prohibited. Offenders will be held liable for the
payment of damages. All rights reserved in the event of the grant of a patent, utility model or de-
sign.
The contents of this edition have been checked with great care. However, errors cannot be fully
excluded. Subject to technical change without notice.
Document
Document No.: BA492301-en
Approval Date: 2019-05-08
Manufacturer
MAHA Maschinenbau Haldenwang GmbH & Co. KG
Hoyen 20
87490 Haldenwang
Germany
Phone: +49 8374 585 0
Fax: +49 8374 585 590
Mail: maha@maha.de
Web: http://www.maha.de
Service
MAHA SERVICE CENTER
AutomoTec GmbH
Maybachstraße 8
87437 Kempten
Germany
Phone: +49 8374 585 100
Fax: +49 8374 585 491
Mail: service@automo-tec.com
Web: www.automo-tec.com
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Contents
1
Safety ....................................................................................................................5
1.1 Introduction..............................................................................................................5
1.2 Symbols and Signal Words ......................................................................................5
1.2.1 Personal Injury..........................................................................................................5
1.2.2 Property Damage.....................................................................................................5
1.2.3 Information...............................................................................................................5
1.3 Intended Use ...........................................................................................................6
1.4 Inappropriate Use.....................................................................................................6
1.5 Requirements on Operating and Service Personnel ..................................................6
1.6 Safety Instructions for Installation and Initial Operation..............................................6
1.7 Safety Instructions for Operation...............................................................................7
1.8Safety Instructions for Servicing................................................................................7
1.9 What to Do in the Event of Defects or Malfunctions ..................................................8
1.10 What to Do in the Event of an Accident ....................................................................8
1.11 Safety Features ........................................................................................................9
1.11.1 Locking Device.........................................................................................................9
1.11.2 Braking Motor ..........................................................................................................9
1.11.3 Phase Sequence Relay ............................................................................................9
1.11.4 Thermal Overload Protection ....................................................................................9
1.11.5 Safety Shutdown after Motor Overload.....................................................................9
1.11.6 Warning and Information Labels ...............................................................................9
2
Description ..........................................................................................................10
2.1 General Information................................................................................................10
2.2 Specifications.........................................................................................................10
2.3 Sample Nameplate.................................................................................................12
3
Operation.............................................................................................................13
3.1 Handling / Moving the Columns..............................................................................13
3.2 Commissioning ......................................................................................................14
3.3 Controls and Indicators ..........................................................................................16
3.4 Main Switch ...........................................................................................................17
3.5 Emergency Stop ....................................................................................................18
3.6 Operating Modes ...................................................................................................18
3.6.1 Automatic Mode.....................................................................................................18
3.6.2 Single Mode...........................................................................................................19
3.6.3 Group Mode ..........................................................................................................20

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3.6.4 Cable Remote Control............................................................................................20
3.7 Manual Lowering....................................................................................................21
3.8 Adjustment of Support Forks..................................................................................22
3.9 Operation with more than 6 Columns .....................................................................23
4
Maintenance ........................................................................................................24
4.1 Annual Inspection...................................................................................................24
4.2 Care Instructions....................................................................................................24
4.3 Spare Parts............................................................................................................25
4.4 Maintenance by the Operator .................................................................................25
4.4.1 Lubricants..............................................................................................................25
4.4.2 Recirculating Ball Nut .............................................................................................25
4.4.3 Moving Gear ..........................................................................................................26
4.4.4 Options..................................................................................................................27
4.4.5 Thrust Washers......................................................................................................28
4.5 Setting the Hydraulic Jack......................................................................................31
4.6 Display Codes........................................................................................................32
5
Service Lifetime....................................................................................................34
6
Dismantling..........................................................................................................34
7
Disposal...............................................................................................................34
8
Contents of the Declaration of Conformity.............................................................34
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1
Safety
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1.1
Introduction
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Thoroughly read this manual before operating the equipment and comply with the
instructions. Always display the manual in a conspicuous location.
Personal injury and property damage incurred due to non-compliance with these
safety instructions are not covered by the product liability regulations.
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1.2
Symbols and Signal Words
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1.2.1
Personal Injury
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DANGER
indicates an immediate hazard which, if not avoided, will result in death or severe
personal injury.
WARNING
indicates a potential hazard which, if not avoided, could result in death or severe
personal injury.
CAUTION
indicates a potential hazard which, if not avoided, could result in moderate or mi-
nor personal injury.
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1.2.2
Property Damage
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NOTICE
indicates a potentially harmful situation which, if not avoided, could result in dam-
age to the equipment or surrounding objects.
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1.2.3
Information
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indicates important information notes.
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1.3
Intended Use
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•This lift is to be used exclusively for the safe lifting of commercial and agricultur-
al vehicles such as trucks, buses, tractors etc. Observe the rated load capacity.
•The lift may not be modified without the express written consent of the manu-
facturer. In case of non-compliance the declaration of conformity becomes
void.
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1.4
Inappropriate Use
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WARNING
Any use other than described is inappropriate, for example:
•Climbing on the lift supports
•Transporting persons on the lift supports
•Usage as mobile work platform or for other lifting operations
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1.5
Requirements on Operating and Service Personnel
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WARNING
All persons employed in the operation, maintenance, installation, removal and dis-
posal of the device must
•be at least 18 years old,
•be mentally and physically suited for these activities,
•be demonstrably trained and instructed in writing,
•have read and understood the operating instructions, especially the instructions
what to do in the event of defects or malfunctions,
•be on record as having been instructed in safety guidelines,
•have practical experience in working with vehicle lifts and the hazards inherent
in such equipment.
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1.6
Safety Instructions for Installation and Initial Operation
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WARNING
•Use the lift on a hard, level surface only.
•The standard lift version must not be installed and commissioned in the vicinity
of explosives or flammable liquids.
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1.7
Safety Instructions for Operation
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WARNING
•Read the detailed operating manual.
•Use personal protective equipment.
•The lift owner/operator must provide a tidy and clean workplace.
•Carry out a visual and functional check of the equipment every day before start-
ing work.
•Do not exceed the rated load capacity per column as indicated on the lift
nameplate.
•Ensure an unobstructed movement of lift and vehicle.
•The vehicle doors must be closed during lift operation.
•After raising the vehicle briefly, stop and check the lift supports for secure con-
tact with the vehicle.
•Closely watch lift and vehicle during raising and lowering cycles.
•The working area which cannot be overviewed by the operator should be moni-
tored by a second person.
•When operating the lift in single or group mode, make sure the vehicle is not
tilted.
•Do not allow anyone to stay in lift area during raising and lowering cycles.
•Do not allow anyone to climb on lift or inside raised vehicle.
•Keep lift and vehicle free of tools and parts.
•When using the lift outdoors, lower the vehicle and stop operation when the
wind velocity exceeds 6 m/s.
•Push the support forks completely under the wheels or lift points of the vehicle
to be raised.
•Do not drive over or pinch electrical cables.
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1.8
Safety Instructions for Servicing
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•Service work may be done by authorized service technicians only.
•Turn off and padlock the main switch before doing any repair, maintenance or
setup work.
•Disconnect the mains plug before opening the control box.
•Work on the electrical equipment may be done by service technicians or certi-
fied electricians only.
•Ensure that ecologically harmful substances are disposed of only in accordance
with the appropriate regulations.

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•Do not use high pressure or steam jet cleaners or caustic cleaning agents for
cleaning the lift,
•Do not replace or override the lift safety devices.
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1.9
What to Do in the Event of Defects or Malfunctions
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WARNING
•In case of defects or malfunctions such as uncontrolled lift movement or defor-
mation of the superstructure, support or lower the lift immediately.
•Turn off the main switch and secure it against unauthorized usage. Contact
service.
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1.10
What to Do in the Event of an Accident
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•The injured person is to be removed from the danger area. Find out where
dressing and bandages are kept. Seek first-aid.
•Provide first-aid (stop bleeding, immobilise injured limbs), report the accident
and seal off the accident site.
•Immediately report any accident to your supervisor. Make sure a record is kept
of every occasion first-aid is provided, e.g. in an accident book.
•Remain calm and answer any questions that may arise.
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1.11
Safety Features
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1.11.1
Locking Device
The locking device serves to prevent inadvertent lowering motions
caused by gear, load nut or lifting screw failure. The carriage is
blocked by safety wedge (1) and counterwedge (2).
1.11.2
Braking Motor
The motors are equipped with AC spring pressure brakes. Once
the motors are switched off, the brakes prevent any further
movements.
1.11.3
Phase Sequence Relay
The phase sequence relay in the power supply unit ensures safe
and independent operation.
1.11.4
Thermal Overload Protection
Overload protection via electronically monitored thermoswitches.
1.11.5
Safety Shutdown after Motor Overload
The motor load is permanently monitored by the control PCB. If an overload of
≥15 %
occurs, the system will switch off automatically. In this case the lift cannot
be raised any more, but it can be normally lowered to bottom position.
1.11.6
Warning and Information Labels
Do not change or remove the warning and information labels. Order replacement
for defective labels.
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2
Description
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2.1
General Information
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The mobile column lifts of this series consist of 2 or 4 columns and can be
expanded to 6 columns in the standard version. The lift can be expanded up to 12
columns when using a special power supply unit.
All components are easily accessible under the lifted vehicle due to a generous
maximum lifting height of 1750 mm.
The lift is a mobile unit whereby the columns can be substituted with stands when
vehicles are to be worked on for a longer period of time. The lifting columns are
free to be used on other vehicles.
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2.2
Specifications
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Load capacity per column 7500 kg
Full travel 1750 mm
Raising / Lowering time 113 s
Raising speed 920 mm/min
Tyre diameters 550…1500 mm
Motor power 1.5 kW
Protection class IP 54
Supply voltage 3~ 400 V; 50 Hz
Net weight per column 450 kg
Surface load 0.5 N/mm2
Noise emission < 70 dB(A)
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2.3
Sample Nameplate
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Lifts of this model series have one nameplate at the lifting carriage of each column
and also on the supply unit (if present).
In the event of customer complaints, hotline requests or spare parts orders, serial
number and YoM of the lift should always be indicated.
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MOBILE COLUMN LIFT
Ser. No./ Date of Production: ***
Project: ***
Type: ***
Charging Voltage ***
Operating Voltage ***
Net weight per column ***
Load capacity per column ***
System of Protection ***
WEEE Reg. No. ***
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3
Operation
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3.1
Handling / Moving the Columns
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Screw a lifting-eye bolt M16 into the tap hole on the motor plate of the column.
Insert a chain or strap through the ring and lift the column using a hoist or forklift.
Close hydraulic valve by putting valve lever in position 3.
Pump with handle to raise the moving gear. Move column to desired position.
To lower the moving gear, open the hydraulic valve by putting the valve lever in
position 1. The column is ready for operation.
Position 2 is the neutral position.
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3.2
Commissioning
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Attach the power supply unit (V) to the left-hand sidewall of the control unit (B), as
seen from the controls, to ensure easy accessibility of the main switch.
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•Use the lift on a hard, level surface only, preferably concrete.
•Apply the parking brake after positioning the vehicle.
•Push the support forks completely under the wheels/lift points of the vehicle.
•Attach the power supply unit (V) to the control unit (B) of the column closest to
the mains socket.
•Interconnect the columns using connecting cables (1) between input terminals
(E) and output terminals (A). Connect a dummy plug or the remote control (2) to
the output terminal of the last column.
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•Connect the mains plug (3) of the master column with the 400 V mains socket.
Recheck the electrical connections.
•Once the main switch is turned on, the lift is ready for operation.
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NOTICE
•Do not drive over or pinch electrical cables.
•The cable connectors are secured by swivel brackets at the sockets. In order t
o
avoid any mix-ups, the connectors and sockets have been coded.
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15
BA492301-en
Pos: 57 /Produktfamilien/Hebetechnik/COLUMNLIFT/490801 RGE/BA/Inhalt: 4908 Anschlussschema(Text) @ 26\mod_ 1325516592255_75.do cx @ 1144299 @ @1
Connection Diagram
B
Control Unit
1
Connecting Cable
V
Power Supply Unit
2
Dummy Plug
E
Input Terminal
3
Mains Plug
A
Output Terminal

16
BA492301-en
Pos: 58 /Produktfamilien/AlleGeräte/Überschriften/Überschriften 1.1/B/Überschrift 1.1: Bedien- und Anzeigeelemente @ 23\mod_1296220301443_75. docx @ 968107 @ 2 @ 1
3.3
Controls and Indicators
Pos: 59 /Produktfamilien/Hebetechnik/COLUMNLIFT/490801 RGE/BA/Inhalt: 4908 Bedienelemente (Text)@ 26\mod_1325515888986_75.docx @ 1144107 @ @1
Power Supply Unit
Control Unit
Main Switch
LED Display
Indicates operating and error states.
Selector Button (on Control Unit)
Use this button to select between: Automatic / Single / Group mode
Seven-Segment Display (on Control Unit)
Indicates operating and error codes.
RAISE Button (on Control Unit)
Press and hold this button to raise the lift. Lift stops once button is released or
upward travel stop is reached.
LOWER Button (on Control Unit)
Press and hold this button to lower the lift. Lift stops once button is released or
downward travel stop is reached.
Emergency Stop Button (on Control Unit)
In case of emergency press this button to disconnect the lift from the mains
supply.
Pull out the button to make the lift ready for operation.
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17
BA492301-en
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Pos: 62 /Produktfamilien/Alle Geräte/Überschriften/Überschriften1.1/H/Überschrift1.1: Hauptschalter@ 6\mod_ 1177592858312_75.do cx @ 90635 @2 @ 1
3.4
Main Switch
Pos: 63 /Produktfamilien/Hebetechnik/- Arch iv -/00 Hebetechnik- Alle/Inhalte/Inhalt: GEFAHR - Hauptschalter mit Not-Aus-Funktio n HBZ_12pt @ 54\mod_1534922618384_75. docx @ 3081665@ @ 1
DANGER
The main switch is used as emergency switch. In case of emergency immediately
turn it to position 0!
Main switch in position 0
Lift is disconnected from power supply
Main switch in position 1
Lift is ready for operation
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18
BA492301-en
Pos: 65 /Produktfamilien/Alle Geräte/Überschriften/Überschriften 1.1/N/Überschrift 1.1: Not-Ha lt-Schalter@ 12\mod_1231762685415_75. docx @ 302085 @ 2@ 1
3.5
Emergency Stop
Pos: 66 /Produktfamilien/Hebetechnik/COLUMNLIFT/490801 RGE/BA/Inhalt: 4908 Not-Halt @ 2 6\mod_1325575683590_75. docx @ 1144365 @ @ 1
In case of emergency push the emergency stop button to stop the lift movement
immediately.
Pos: 67 /Produktfamilien/Hebetechnik/- Arch iv -/00 Hebetechnik- Alle/Inhalte/Info!/Inhalt: Info -Not-Hal t_12pt @ 26\mod_132557578 5219_75.docx @ 1144397 @ @ 1
To make the lift ready for operation, unlock the emergency stop button and switch
off the lift briefly using the main switch.
Pos: 68/Produktfamilien/AlleGeräte/Überschriften/Überschriften1.1/B/Überschrift1.1: Betriebsarten@ 14\mod_1242282663093_75.d ocx@ 375477 @ 2 @ 1
3.6
Operating Modes
Pos: 69 /Produktfamilien/Alle Geräte/Überschriften/Überschriften 1.1.1/A/Überschrift 1.1.1: Automatik-Betrieb@ 12\mod_1231753 241005_75.docx @ 301580 @ 3 @ 1
3.6.1
Automatic Mode
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Select "Automatic mode" by pressing this button on each col-
umn.
Activation of this operating mode is indicated by the letter A on
the seven-segment display.
Use these buttons on the control unit to raise or lower the lift.
Pos: 71 /Produktfamilien/Hebetechnik/- Arch iv -/00 Hebetechnik- Alle/Inhalte/Info!/Inhalt: INFO - A utomatikbetriebRGE_12pt @ 26\mod_1325576229052_75.docx @ 1144461 @ @1
After switch-on the lift is in automatic mode.
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19
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Pos: 73 /Produktfamilien/Alle Geräte/Überschriften/Überschriften 1.1.1/S/Überschrift 1.1.1: Single-Betrieb@ 12\mod_1231750 604943_75.docx @ 301400 @ 3 @ 1
3.6.2
Single Mode
Pos: 74 /Produktfamilien/Hebetechnik/- Arch iv -/00 Hebetechnik- Alle/Inhalte/Inhalt: WARNUNG - Einzelbetrieb Radgreifer-HBZ @ 2 6\mod_1325576623142_75. docx @ 1144493 @ @ 1
WARNING
When operating the lift in Single mode, make sure the vehicle is not tilted. Other-
wise the vehicle may fall off the lift!
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Select "Single mode" by pressing
this button on the desired column.
Activation of this operating mode is
indicated by the lit LED on the se-
lector button and the letter S on the
seven-segment display.
The columns not in Single mode are
temporarily inoperative. This is indi-
cated by the letter A flashing on the
seven-segment display.
Use these buttons to raise or lower
the lift.
or
Pos: 76 /Produktfamilien/Hebetechnik/- Arch iv -/00 Hebetechnik- Alle/Inhalte/Info!/Inhalt: INFO - Verschiedene Hubsäule n RGE_12pt @ 26\mod_ 1325576923309_75.docx @ 1144557 @ @ 1
The single mode can also be used for several columns simultaneously.
Pos: 77 /Produktfamilien/Hebetechnik/- Arch iv -/00 Hebetechnik- Alle/Inhalte/Info!/Inhalt: INFO - S ingle-BetriebRGE_12pt @ 26\mod_1325577705655_75.doc x@ 1144589 @ @ 1
Height offsets between individual columns will be maintained after switch-over to
automatic mode. The offset can be removed either
– by equalizing the carriages in single mode or
– by lowering all carriages to bottom position in automatic mode.
•Lift switches off once first carriage reaches upward travel stop.
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20
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3.6.3
Group Mode
Pos: 80 /Produktfamilien/Hebetechnik/- Arch iv -/00 Hebetechnik- Alle/Inhalte/Warnung!/Inhalt: WARNUNG - Gruppenbetrie b RG_12pt @ 26\mod_ 1325578069074_75.do cx @ 1144691 @ @1
WARNING
When operating the lift in Group mode, make sure the vehicle is not tilted. Other-
wise the vehicle may fall off the lift!
Pos: 81 /Produktfamilien/Hebetechnik/COLUMNLIFT/490801 RGE/BA/Inhal t: 4908 Grup pen-Betrieb (mit Warnung) @ 26\mod_132557814 3833_75.docx @ 1144753 @ @ 1
2 sec
Select "Group mode" by pressing
and holding this button for approx.
two seconds.
Activation of this operating mode is
indicated by the lit LED on the se-
lector button and the letter G on the
seven-segment display.
The columns not in Group mode are
temporarily inoperative. This is indi-
cated by the letter A flashing on the
seven-segment display.
Use these buttons to raise or lower
the lift.
or
Pos: 82 /Produktfamilien/Alle Geräte/Überschriften/Überschriften 1.1.1/K/Überschrift 1.1.1:Kabelfernbedienung @ 12\mod_12317577 25696_75.do cx @ 301860 @ 3 @ 1
3.6.4
Cable Remote Control
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A remote control (model TCNA 10-2) is optionally available.
The RAISE, LOWER and Emergency Stop buttons have the same functions as the
corresponding buttons on the column control units.
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Except for the emergency stop button, the remote control is not usable in single
mode.
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Table of contents
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