Actiforce Aluforce Pro 140 M User manual

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ALUFORCE
PRO 251 M
(90 Degree)
P4yA2L-2EN-DE-NL
Assembly Manual
for LEFT return
Read this manual thoroughly and store in a safe place!
Frame for a electro-motorized sit-stand workstation

2
Content
1 GENERAL ........................................................................................................................................................ 3
1.1 Local value of the assembly/operating manual ....................................................................................... 3
1.2 Intended use ............................................................................................................................................ 3
1.3 Improper use.....................................................................................................................................................3
1.4 Laws, directives and standards to be observed ....................................................................................... 3
1.5 FCC Information for Class B digital device (Power Supply) .................................................................. 3
1.6 Content box ......................................................................................................................................... 4-5
2 SAFETY INFORMATION ............................................................................................................................... 6
2.1 Symbols/warnings ................................................................................................................................... 6
2.2 Symbols used on the workstation frame ................................................................................................. 6
2.3 Organizational measures ........................................................................................................................ 6
2.4 Informal safety measures ........................................................................................................................ 6
2.5 Note for those assembling the workstation ............................................................................................. 6
2.6 Transport and assembly.......................................................................................................................... 6
2.7 Use of the workstation frame .................................................................................................................. 7
2.8 Specific dangers ...................................................................................................................................... 7
2.9 In an emergency ...................................................................................................................................... 7
2.10 Maintenance and upkeep ........................................................................................................................ 8
2.11 Cleaning .................................................................................................................................................. 8
2.12 Persistent risks ........................................................................................................................................ 8
3 ASSEMBLY ...................................................................................................................................................... 9
3.1 Checking the items supplied ................................................................................................................... 9
3.2 Packaging ................................................................................................................................................ 9
3.3 Tightening torques for screws used......................................................................................................... 9
3.4 Assembly of the workstation ................................................................................................................... 9
3.4.1 Pre-assembly of the Crossbar ............................................................................................................... 9
3.4.2 Mounting the Feet ............................................................................................................................. 10
3.4.3 Mounting the Bottom Crossbar ..................................................................................................... 11-12
3.4.4 Mounting the Top Crossbar ..................................................................................................................13-14
3.4.5 Mounting the Top Support..........................................................................................................................15
3.4.6 Mounting the drive shaft Leg 1 & Leg 3 ............................................................................................ 16
3.4.7 Mounting the drive shaft & Gearbox Leg 2 ........................................................................................ 17
3.4.8 Mounting the drive units ................................................................................................................... 18
3.4.9 Adjustment of the frame width ...................................................................................................... 19-20
3.4.10 Connecting cable drive units ............................................................................................... 21
3.4.11 Frame test without tabletop ................................................................................................. 22
3.4.12 Note : Assembly of the tabletop ............................................................................................ 23
3.4.13 Note : Mounting the power supply underneath tabletop ....................................................... 23
3.4.14 Note : Identification sticker ................................................................................................ 23
4 TECHNICAL SPECIFICATIONS .......................................................................................................... 24-25
5 5 OPERATION AND INSICATORS ................................................................................................... .26
5.1 Indicators .......................................................................................................................................... 26
6 TROUBLESHOOTING .................................................................................................................................. 27
7 CUSTOMER SERVICE ................................................................................................................................. 28
8 MANUFACTURER ........................................................................................................................................ 28
9 RECYCLING .................................................................................................................................................. 28
9.1 Taking the workstation out of active duty ............................................................................................ 28
9.2 Taking the workstation apart ............................................................................................................... 28
9.3 Recycling ............................................................................................................................................... 28

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1 General
1.1 Local value of the assembly/operating manual
The guiding principle for safe use and trouble-free operation of this workstation frame is knowledge
of basic safety information and regulations. This assembly/operating manual contains the most im-
portant information needed for assembling and operating the workstation frame safely. This assem-
bly/operating manual, in particular the safety information contained herein, must be observed by any
person building the frame and working on the finished surface. More importantly, the rules and reg-
ulations applying to accident prevention in the locality in which the workstation frame is to be used
must be observed at all times.
1.2 Intended use
The workstation frame must be used only as a height-adjustable workstation for sitting/standing use
in offices or other enclosed areas. The frame must be used for this purpose only. The workstation
frame may be set up and operated solely in office environments. Do not use the workstation frame
in the home. Please observe the provisions of Section 2, Safety Information. Children may be una-
ware of the dangers presented by the workstation frame if unsupervised. Any other use than the
above shall be deemed improper. The manufacturer can in no way be held liable for damage arising
from improper use.
Intended use shall also include:
 Observation of all information from the assembly/operating manual and
 Prohibition of any sort of addition to/conversion of the workstation.
1.3 Improper use
 Never use the workstation frame to lift people or loads.
 Do not exceed the maximum load of the workstation frame.
 Do not use the workstation frame in the home; alternatively, use it only in offices.
1.4 Laws, directives and standards to be observed.
 Machinery Directive 98/37/EC
 Low Voltage Directive 73/23/EEC
 Electromagnetic Compatibility Directive 89/336/EEC
 EN 12100, parts 1 and 2
 EN 294
1.5 FCC Information for Class B digital device (Power Supply)
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can ra-
diate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interfer-
ence will not occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one more of the following measures:
 Reorient or relocate the receiving antenna.
 Increase the separation between the equipment and receiver.
 Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
 Consult the dealer or an experienced radio/TV technician for help.
WARNING: Any changes or modifications not expressly approved by the manufacturer
could void the user’s authority to operate the equipment.

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# Part name Qty
01 Leg 3
02 Foot 2
03 Centre foot 1
04 Top support 2
05 Centre top support 1
06 Hexagon shaft Short + Long 2+2
07 Axle Drive Short + Long 1+1
08 Tools 1
09 90 degree gearbox 1
10 Foot adjuster 6
11 Bearing Cover 3
12 Mounting hardware kit 1
13 Straight bottom crossbar 1
14 90 degree bottom crossbar 1
15 Straight top crossbar 1
16 90 degree top crossbar 1
17 Cover bottom crossbar 4
18 Cover top crossbar 3
19 Drive Unit Master 1
20 Drive Unit Slave 1
21 Power supply 1
22 Power cord 1
23 Link cable drive unit 1
24 Cable keypad 1
25 Keypad up-dowm 1
1.6 Content box
12.1 12x M5x25
12.2 12x M6x25
12.3 12x M6x6
12.4 2x M6x16
12.5 10x M6x20
12.6 16x M6
12.7 12x Ø5
12.8 14x Ø6
12.9 20x M4.5x16
12.10 4x M4.5x20
12.11 2x M6x80
12.12 4x Spacer
12.13 4x Short
Slide Nut
12. Mounting Hardware Kit
12.14 1x Long
Slide Nut
12.15 1x M4x10

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06 07
21 22 24 25 23
09 10 08 11
13 14 15 16
18 19 20
17
01 02 05 03 04

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2 Safety Information
2.1 Symbols/warnings
The assembly/operating manual uses the following terms and signs to indicate dangers:
2.2 Symbols used on the workstation frame
2.3 Organizational measures
 The workstation frame can best be assembled by two people. Turning the frame, once
the work surface has been fitted, is a task in particular which requires two people!
2.4 Informal safety measures
 Keep the assembly/operating manual in the place where the workstation frame is used at
all times.
 Make sure that all safety information on the table (see Section 2.2, Symbols used on the
workstation frame) is legible, replacing the same if necessary.
2.5 Note for those assembling the workstation
 The workstation must be assembled/worked on by persons over the age of 16.
 The persons referred to above must have read and understood the assembly/operating
manual.
2.6 Transport and assembly
 The workstation frame must be moved by two persons only, and in such cases must be
retracted.
 Do not drag or pull the workstation frame over the floor.
 Assemble the workstation frame with the supplied tools only. They are the only tools
which ensure that the screws can be tightened to the correct torque.
This symbol indicates an immediate threatening situation for any person’s life
or health. Failure to adhere to such information may have serious consequences
for health, or could even result in life-threatening injury or death.
This symbol indicates important information. Failure to adhere to such infor-
mation could lead to damage to the workstation.

Do not place objects or parts of the body under the workstation frame or be-
tween the cross members. This could cause serious injury.
Do not exceed the maximum permitted load on the workstation frame. Over-
loading could lead to breakage and serious injury as a consequence.

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2.7 Use of the workstation frame
 Do not allow children to use the workstation frame unsupervised. Children may be un-
aware of the dangers presented by the workstation frame. They would be in serious
danger of injuring themselves, possibly even with fatal consequences. Further adjust-
ment must then be impossible as a safeguard against use by children.
 The workstation frame must only be used in appropriate areas.
 Do not use the workstation frame on an uneven surface. In such conditions it will not
be steady.
 Never exceed the maximum load on the workstation frame
2.8 Specific dangers
 When adjusting the height of the frame there is danger of injury. Make sure that there
is no-one else in the immediate surroundings of the frame.
 When assembling the workstation frame, make sure there is ample space to avoid colli-
sions (i.e. inclination of roof, fixed objects, filing cabinets, waste-paper bins etc.) in all
imaginable directions.
 Make sure there is ample space to avoid collisions if there are objects on the work sur-
face such as computers or computer peripherals.
 Make sure there is clearance of at least 25 mm from all other furniture, all around the
workstation frame.

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2.9 In an emergency
 Stop using the workstation frame at once if you notice anything unusual (strange
sounds etc.).
 Have the workstation frame repaired by specialists. Refrain from using the workstation
frame until it has been successfully repaired.
2.10 Maintenance and upkeep
 The workstation frame and its components are low-maintenance items and need no
special regular maintenance.
 Do not perform any repairs on the work surface or other components yourself.
 Do not alter the construction of the work surface or its frame.
 Any faulty components removed must be replaced with new, original components
from the manufacturer. Use only original replacement parts made by the manufacturer.
Have any such work carried out by a specialist, making reference to this Assembly/
operating manual.
2.11 Cleaning
 Dust the workstation frame once a week with a dry cloth.
 Clean the workstation frame with a damp cloth and a weak solution of cleaner once a
fortnight.
2.12 Persistent risks
This workstation frame has been built to the state of the art and to recognized safety regula-
tions. Nonetheless, its use may constitute a risk to the health and safety of users or third par-
ties, damage to the workstation frame or to other items. The workstation frame must be used
only:
 for the purpose for which it was intended.
 if it is completely safe so to do.

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3 Assembly
3.1 Checking the items supplied
 Carefully open the cardboard packaging.
 In doing so, do not use any long knife blades. They may damage the components in-
side.
 Check the parts supplied against the list in Section 1.4 Items supplied.
 Do not attempt to assemble the workstation frame if there is any damage or if there are
any incorrect components.
3.2 Packaging
 Remove the packaging. Treat as household waste/paper.
 Observe national legislation.
3.3 Tightening torques for screws used
 Assemble the workstation frame with the tools supplied only.
3.4 Assembly of the workstation
3.4.1 Pre-assembly of the Crossbar
Assemble the following components:
Before attempting assembly, read the safety information in Section 2.
Indicative:
Frame set-up Width/size tabletop
1,1 m 120 cm
1,3 m 140 cm
1,5 m 160 cm
1,7 m 180 cm
# Part name Qty
13 Straight bottom crossbar 1
08 Allen key M3 1
12.3 Set screw M6x6 12
14 90 degree bottom crossbar 1
15 Straight top crossbar 1
16 90 degree top crossbar 1
 Twist the set screws in the threaded holes.
 Do not yet tighten the set screws!
 Tighten the set screws only after assembling the components in step 3.4.9 Adjustment
of the frame width, page 19.

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3.4.2 Mounting the Feet
Assemble the following components:
# Part name Qty
02 Foot 2
03 Centre foot 1
10 Foot adjuster 6
12.2 Bolt M6x25 12
12.8 Washer M6 12
08 Spanner M10 1
01 Leg 3
Photo 1
 Twist 2 foot adjusters into the bottom of each foot.
Photo 2 & 3
 Turn the pre-assembled legs up-side-down (with 2 persons).
  Secure the pre-assembled legs against falling over.
 Position the foot, like photo 3, in relation to the crossbar
 Connect each foot to a leg with 4 bolts and 4 washers.
 Tighten the 12 bolts with the spanner M10.
 Turn the legs back on its foot.
2
1
3 !

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3.4.3 Mounting the Bottom Crossbar
Assemble the following components:
Put the set screws
in the leg.
Place the crossbar
(#13) over the set
screws.
5
Place the flange nuts
over the set screws
and tighten.
6 7
4
#12.4
#12.5
Put the crossbar
cover over the
crossbar.
# Part name Qty
01 Leg 3
13 Straight Bottom Crossbar 1
17 Cover Bottom Crossbar 4
08 Spanner M10 1
08 Allen key M3 1
12.6 Flange nut M6 8
12.4 Set screw M6x16 2
14 90 degree Bottom crossbar 1
12.5 Set screw M6x20 6
12.14 Long Slide Nut 1
12.15 CSK M4x10 1

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Slide the crossbar cov-
er on prior to mounting
it to the leg
With LEFT return the L must
point to the sitting side of the
desk
Put the set
screws (#12.5)
in the leg
8
9
Place the flange
nuts over the set
screws and tighten.
10
Place the crossbar (#14)
over the crossbar.
#12.14 + #12.15

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3.4.4 Mounting the Top Crossbar
Assemble the following components:
# Part name Qty
Pre-assembly Frame
15 Straight Top Crossbar 1
18 Cover Top Crossbar 3
08 Pipe Key 1
08 Allen key 1
12.6 Flange nut M6 4
12.13 Short Slide Nut 4
16 90 degree Top crossbar 1
12.5 Set screw M6x20 4
11 12
13 14
Photo 11
 Insert the slide nuts in both legs and fasten with the set screws.
 Be aware that the top crossbar is flush with the top of the legs.
Photo 12
 Place the top crossbar (#15) over the set screws.
Photo 13
 Twist the flange nuts onto the set screw, Tighten firmly with the M10 pipe key.
Photo 14
 Place the covers over both ends of the top crossbar.
 Be aware that the covers are different of size. Do not use too much force while
placing these covers, they could break or damage.

14
Photo 15
 Place a slide nut in the slit at the top of Centre leg.
 Place a set screw in this slide nut.
 Gently tighten the set screw with the 4 mm Allen key.
Photo 16
 Place the pre-assembled top crossbar (#16)over the set screws.
 Be aware that the top crossbar is flush with the top of the legs.
 Place the flange nut on the set screw.
 Tighten the flange nut with the pipe key 10.
 A cover for this position is not available
15 16

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3.4.5 Mounting the Top Supports
Assemble the following components:
# Part name Qty
05 Centre top support 1
08 Spanner M8 1
12.1 Bolt M5x25 12
12.7 Washer M5 12
04 Top support 2
17
 Position the top support in relation to the crossbars
 Connect each top support to a leg with 4 bolts and 4 washers.
 Tighten the 12 bolts with the spanner M8.
18

16
3.4.6 Mounting the Drive Shafts Leg 1 & Leg 3
Assemble the following components:
 Be aware that both legs are completely in the lowest position.
 Be aware that the drive units have not been connected to a power source and not been used.
 Be aware that all components are originally packed.
 Be aware that the 2 drive units are different (Master & Slave). Place the master drive unit at
the side where the up-down switch will be placed.
Photo 19
 Slide the 2 drive shafts through the hexagon holes in leg 1 and leg 3.
 Slide both shafts in until they stick ±15 cm inside the frame.
Photo 20
 Slide the Master drive unit over the, to the inside of the frame sticking, drive shaft. At the
side where the up-down switch needs to be placed.
 Slide the Slave drive unit over the, to the inside of the frame sticking, drive shaft. At the
opposite side of the Master drive unit (photo 21).
21
Leg 2
Leg 3 Leg 1
19 20
# Part name Qty
06 Hexagon shaft Short + Long 2+ 2
19 Drive Unit Master 1
20 Drive Unit Slave 1
07 Axle Drive Short + Long 1+ 1

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3.4.7 Mounting the Drive Shafts & Gearbox Leg 2
Assemble the following components:
# Part name Qty
09 90 degree gearbox bracket 1
Secure the 90
degree gearbox
bracket on the
90 degree gear-
box
22

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3.4.8 Mounting the Drive Units
Assemble the following components:
# Part name Qty
08 Spanner M8 & M10 1
12.11 Bolt M6x80 2
12.8 Washer M6 2
12.6 Flange nut M6 4
12.12 Spacer 2
Photo 23
 Slide the long bolt (M6x80mm) with a washer through the specific hole in the drive unit.
 Slide the plastic spacer over the already placed bolt (between the drive unit and the top support).
Photo 24
 Screw a flange nut, as showed on the photo, over the bolt.
Photo 25
 Slide the bolt through the specific hole in the top support.
 Screw a flange nut, as showed on the photo, from the inside of the top support over the bolt.
 Tighten this flange nut.
Photo 26
 Be aware of that the drive unit is parallel in relation to the top support.
Repeat these steps for the other Drive Unit.
23 24
25 26

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3.4.9 Adjustment of the frame width
 Pull the frame outward to the required width and depth (see chapter 3.4.1 and 3.4.2
Pre-assembly of the Top and Bottom Crossbars)
 Tighten the set screws in the top and bottom crossbars only now.
Photo 27 & Photo 28
 Tighten the 8 pinching nuts on the drive shaft extensions and on both drive units with
the spanner M10.
To adjust
frame width
27
28
Set Screw

20
29
Cover the holes with
the bearing covers.
Photo 29
 Peel-off the paper glue protector.
 Cover for holes in the outside of the legs/frame (3x).
# Part name Qty
11 Bearing Hole Cover 3