USER'S MANUAL
Contents
1. e Periodically check the tightness of the closure of the bolts which connect the trusses with the fork connectors e Periodically check the state of the fabric sliding track e Keep the fabric sheets clean and rolled up in order to avoid folds 9 Perimeter closures The trusses on the two lateral sides of the structure are sufficiently locked closed by means of a screw bolt together with its relative safety ring as illustrated in figure 6 Fig 6 The front and back part of the space frame can be completed by a Simple closure of the structure obtained by placing a screw nut connector on the forked ends of the truss gt So fe fr 7 Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 19 di 23 MANUALE D USO E DI MONTAGGIO b Using the special curved FL76111RH trusses suitable for the guiding of the covering fabric in a downward direction These are connected to the structure in the same way as the other trusses are connected They must be prepared to accept the fabric tube by inserting a pair of screw bolt and screw nut connectors into the correct hole see fig 8 10 Assembly of the covering fabric The Libera structure can be used as a covering system by using polyester fabric sheets impregnated with PVC produced in rectangular strips of suitable dimensions with lengthwise e2. LIBERA USER S MANUAL 2002 Litec s r l Italy All rights reserved No parts of this manual can be reproduced without permission of Litec s r l Cod LLTCMTI5IT1 Version 2 A GRUPPO Manfrotto LIBERA Pag 2 di 23 MANUALE D USO E DI MONTAGGIO INDICE L D EA 3 Ls TE STUCU an E 3 3 Componentelements ccccecceecseeceeeeeeeeeseeeeeeeeeeeeeeeeaeeteeteeeeeeeeetaetaeerentgs 5 A Site safety conditions ss ssssseresreresrnrnrrernrrtrnsrtrt orent rrt rt trernen trt rrert rrer rreren 8 i AMON ETUC O i rae tse ee tsetse eee eres 9 6 Libera assemblying like composite trUSS ccceccceeceeceeeeeeeeeeeeeeeeeeeeeeeeertaess 11 DG E AA tas 13 8 Handling and MaintanCe ccceecesceeeeeeeeeeseeeeeeeeeeeseaeteeteeteeteeteeteseaetastaneess 17 9 Perimeter FIO SUS i saneeinivvsincroiagperscpinivenadwaatensddidenetaiengieteerianiniaanertinn 18 10 Assembly OF the covering fabriC ssssssssrssrsresrsrerrernrrerrererrsrerrrrerrereresrs 19 Lis THOUS US Me SCS giszida tarsi vecnardcavipioens nineteen 22 12 Dismanting of the Structure tc teacaccagansnnianaryasantssimannrabaneataweincieaaantiaedia Z3 13 Useful ie cannccrwataianvensostscasvbaadeteinaateansiedinduosplasaaeneenioemadeaercsiee 23 e SON AEEA EATEN AEE E E ETE 23 This user manual refers to the product Libera manufactured by the company Litec s r l of Marcon Venice Italy Litec products are identified by the presence of
3. Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 11 di 23 MANUALE D USO E DI MONTAGGIO 6 Libera assemblying like composite truss Libera system s elements allow you to assembly a composite truss with rectangular section 76 cm x 52 cm To build up the truss it suggests to operate as follow 1 place a 4 7 cm gate figure 15 2 assembly the two forks female and one male as presented on picture 16 Fig 15 Fig 16 3 connect two Libera flat units according to the draw fig 17 Fig 17 Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 12 di 23 MANUALE D USO E DI MONTAGGIO 4 Complete the Libera module using a 47 cm gate fig 17 5 fix the forks by cilindrical pins and safety pins and put a diagonal brace with click hands RAH191M4 as shown on figure 18 Fig 18 List of elements for a single module 0087 ao o C 2 mw o f a f o roo od ew p a a a mw e f e g moo f e f a g a pan mems moma o Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 13 di 23 MANUALE D USO E DI MONTAGGIO 7 Corners In the following pictures you can fi
4. Circulation practicality must be assured for personnel and for traffic vehicles during execution of the work e All construction elements must be checked before use and if necessary all non suitable items must be eliminated e It is absolutely necessary to periodically check the anchoring points the tightness and closure of the screw nuts the state of the joint connections and all the structural elements especially after heavy adverse weather conditions e No modification whatsoever must be made to the originally designed structure without the authorisation of the designer e tis necessary to assure that the executive designs the necessary permission documents and the safety plans to be referred to in every eventuality not specifically cited are present at the work site Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 9 di 23 MANUALE D USO E DI MONTAGGIO 5 Assembly instructions For the assembly of the space frame we advise the use of the Libera assembly kit or other similar equipment For the assembly of the space frame joints between trusses oriented in one direction are made in a different manner than those between trusses oriented orthogonally to them For the connection of trusses oriented in one direction proceed as follows 1 Connect the forked ends of the two trusses by first ali
5. a self sticking label on all manufactured parts as illustrated above Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 3 di 23 MANUALE D USO E DI MONTAGGIO 1 Introduction Thank you for having selected a Litec structure The aim of this assembly manual is to describe the principal assembly phases and the operational set up of the entre structure The supporting designs which accompany the text illustrate the various installation phases In the case that any sections are not clear we suggest that you contact our Technical O ffice The hoisting equipment is not considered in this manual since it is not furnished by Litec Concerning this equipment we attest and certify to what Is reported in the instructions which accompany that equipment 2 The structure Libera is a structure composed of flat FL76 trusses It is based on a truly innovative concept with a special modular truss for the sliding of fabric which combined together with the trusses of the same group allow for the creation of a space frame structure of any dimension The special screw couplers and the gates allow for doubling of the load bearing truss where particular carrying loads require this Planned for various uses and for the hanging on of various elements it is suitable for positioning to fixed structures Hois
6. a a a i E mi on ps Sa Sorter an li Co aia T r as i x is e al ig ee re Le i En 1 A l i i Al a Ti pia H i 4 i i t pi i ii r j a pa p Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 17 di 23 MANUALE D USO E DI MONTAGGIO 2140 71 2140 sis ai i w a ibe aha T iT i E ms j pi aa iic L I a ir A i oi 8 Handling and maintance Recommendations for handling of the trusses e Do not pile up more than twenty trusses one upon the other e Handle the trusses with the fabric sliding track with special care taking care not throw them brusquely to the ground nor to use a hammer directly on their upper edge during assembly e Do not directly strike either the forked ends of the trusses or the screw bolt or the screw nut connectors with a metal hammer e Always use the recommended equipment which can be supplied upon request Recommendations for the maintenance of the trusses and the fabric sheets e Periodically check the state of wear and tear of the equipment both in conditions of storage as well as under conditions of use Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 18 di 23 MANUALE D USO E DI MONTAGGIO
7. cm FL76300R FL76200R FL76100R Ladder truss 76 cm x 300 cm with canopy rail Ladder truss 76 cm x 200 cm with canopy rail Ladder truss 76 cm x 100 cm with canopy rail FL76047R Reticular truss 76 cm x 47 cm with canopy rail FL76111RH Front rear curved section with canopy rail KHLF Fork connectors with M20 screw nuts conical spring washer Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 6 di 23 MANUALE D USO E DI MONTAGGIO Kg KHLM Fork connectors with M20 screw bolt conical spring washer 20 mm Cilindrical pin 3 mm safety pin M20 screw nut conical spring washer M20 screw bolt conical spring washer Canopy tension tube 300 cm Canopy tension tube 200 cm Canopy tension tube 47 cm RAH414M1 Diagonal brace 300 cm x 300 cm RAH348M6 Diagonal brace 300 cm x 200 cm RAH289M3 Diagonal brace 300 cm x 047 cm RAH352M7 Diagonal brace 200 cm x 300 cm RAH272M5 Diagonal brace 200 cm x 200 cm RAH191M4 Diagonal brace 200 cm x 0 47 cm RAH047 Reinforce transom 47 cm RAH200 Reinforce transom 200 cm RAH300 Reinforce transom 300 cm Covering canopy provided in strips Tube for canopy tension 300 cm Tube for canopy tension 200 cm Tube for canopy tension 47 cm Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 htt
8. dges which allow for the sliding of the sheets within the guide tracks provided on the upper part of the FL O6R trusses 1 For insertion and fixing of the fabric sheets proceed as follows 2 Place the fabric sheet at the front part of the assembled structure 3 Insert an aluminium tube having a length corresponding to the width of the fabric sheet into the back pocket compartment of the fabric sheet fig 9 Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA MANUALE D USO E DI MONTAGGIO Pag 20 di 23 Fig 9 4 Insert the edges of the fabric sheet into the special guide tracks provided on the FL76R trusses and slide it along the track by gently pulling until it reaches the back part of the covering structure fig 10 I Insert the cover borders into the provided rails Insert the cover borders into the provided rails on the trusses Fig 10 5 Insert the stretcher element into the front pocket compartment of the fabric sheet fig 11 and connect it with two pins and two safety pins to the forked connectors provided for on the front FL76111RH elements Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 21 di 23 MANUALE D USO E DI MONTAGGIO Front pocket ca
9. gning the holes prepared for the insertion of the screw bolt connectors 2 Then insert the screw bolt connector with an elastic washer 3 Insert a second washer and then screw the connector to the screw nut connector until the forked ends of the connectors are oriented in the direction illustrated in figure 3 l Spre ut 7 grec Screw bol connector Se For assembly of trusses oriented orthogonally to the unidirectional trusses use only pins and Safety pins 1 Connect the forked ends of the orthogonally directed trusses as illustrated in figure 4 Whenever you have difficulty with this insertion procedure check that the directional arrangement and the alignment of the forks is correct 2 The truss is fixed with two pins and two safety pins Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 Siini aie A MANUALE D USO E DI MONTAGGIO Fig 4 At the suggestion of the designer diagonal elements are positioned on certain frames in order to maintain the trusses in a squared alignment For the assembly of these elements proceed as follows 1 Open both self locking hook clamps on the diagonal element by pressing down on the handle 2 Position the diagonal element as illustrated in figure 5 3 Put pressure on the back of both of the clamping hooks until you hear a closing click Emissione LITEC s r l
10. nd some examples of corners and connection with a QL52 leg for structures assembled with Libera composite truss Two ways corner vertical forks It considers as structure s base module the one made by two 47 cm gates FL76047V and two Libera flat modules with the right length connected like already described e connecting the terminal forks disposed inside the corner to the vertical forks of the second module gate e connecting in the same way the opposite gate using pins and safety pins e closing the quadrilater by gate interposing in each vertex a couple of forks male and female e close the free end by nuts or screws Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 14 di 23 MANUALE D USO E DI MONTAGGIO Two ways corner for Q L52 plans forks Like the two ways corner with vertical forks it refers to the base module already described The available forks for the connection are oriented in order to the vertical passing hole axis e Take two gates with plan forks FL76047P to close the quadrilater e joining two plates up and bottom the gates e fixing everything by bolts screws and eye bolts Three ways corner vertical forks This corner is very similar to the two ways corner with vertical forks solution e joining the two base modules by the forks on the inside c
11. orner Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 15 di 23 MANUALE D USO E DI MONTAGGIO e assembly in the same way the forks of a third module e complete the quadrilater with a gate FL76047V located as already described before Four ways corner for QL52 plan forks The procedure follows closely the three ways corner with vertical forks solution but before closing by nuts or bolts all the vertex fix QL52 truss fixed to the quadrilater base using three forks two males and one female or two female and one male in order to connections previously realized This system s purpose is locating the forks to lodge the tower Three ways flat corner Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 16 di 23 MANUALE D USO E DI MONTAGGIO e Connect longitudinally base module with two FLO76 simply assembling the forks e interpose two female and a male forks for each ends among the gate s female forks and the cross truss To stiffen the struscture and the corner particularly it suggests inserting a RAHO47 among the gates Sizes In the following pictures there are two examples about the main sizes of the most common Libera components 590 2140 2140 a i
12. p www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 7 di 23 MANUALE D USO E DI MONTAGGIO Kg HRAT Belt racthet i wt TZHLO1 Libera assembly Kit one plastic 040 mm hammer one wrench with fork end one lever one 30 mm spanner Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 8 di 23 MANUALE D USO E DI MONTAGGIO 4 Site safety conditions We recommend to respect the following safety conditions during assembly and dismantling of the structure e Skilled specialised workers certified as having the necessary physical qualifications for the activity must be employed e Suitable and appropriate Individual safety elements must be employed safety belts helmets gloves safety boots etc as specified in the safety plan e For each team the responsibilities and the tasks concerning the management and conduction of the work must be well defined e Climbing up on the structure by personnel without the appropriate and suitable equipment must be strictly forbidden e Non authorised personnel must be strictly forbidden from entering the assembly dismantling site area by using a suitable enclosure fence together with obligatory identification signs e Signs which indicate the risks and the precautions to be followed must be in place e
13. rk connector into the hole between the ends of the truss is difficult proceed as follows After you have checked on correct alignment delicately hit the connector with a rubber hammer until it is completely inserted or use a normal hammer placing a piece a wood between the hammer and the connectors taking care to not scratch the zinc galvanised coating 14 Contacts Please contact our Technical Office for any need you may have Reference Tel 041 596 00 00 Fax 041 595 10 82 mail to helpdesk litectruss com Emissione 10 06 2003 LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 http www litectruss com mail to helpdesk litectruss com Versione 2
14. rving 100mm Stretching cover element accepted into the pocket Fig 11 6 Hook the other fabric stretcher element to the curved trusses at the back of the covering structure by using two pins and two safety pins 7 Ifthe fabric sheet is being used for the first time it will be necessary to make notches on the front and back pockets in order to allow it to be fixed to the structure and to allow for positioning of the ratcheted belts as illustrated in figures 11 and 12 8 Connect the tube within the fabric sheet back pocket to the fabric stretcher tube found at the back of the covering structure by using two ratcheted belts fig 12 and then put the fabric sheet under tension by tightening the belts Rear pocket carving 40mm Rear pocket carving 40mm Aluminium tube into the pocket Fig 12 Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 22 di 23 MANUALE D USO E DI MONTAGGIO 11 Hoisting up the structure The structure can be hoisted up with the MT52 MT40 truss towers or with the Varitower 40 preparing the fork connectors as indicated in the Instruction manual concerning the towers and the accessories In addition the structure easily lends itself to being integrated into a multidirectional framing system in this case fastening and harnessing for hoisting can be carried out
15. ted up with a multidirectional type framework system fig 1 it combines with and integrates perfectly well with the Litec MT52 MT40 and Varitower 40 hoisting towers fig 2 Fig 1 Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 4 di 23 MANUALE D USO E DI MONTAGGIO Fig 2 Libera is assembled in a very short time It was conceived in order to support high loads and to occupy a very reduced volume The maximum single extension span of the front allowed for by this structure is 24 meters The applicable loads vary according to the way in which the structure itself is formed and according to the number of hoisting towers It is absolutely essential to consult a qualified technical expert for the definition and configuration of the structure and for the arrangement of loads and anchoring points Further information is available upon request at our Technical O ffice Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA MANUALE D USO E DI MONTAGGIO Pag 5 di 23 3 C ones elements Kg gt FL76300V Ladder truss 76 cm x 300 cm 24 6 IIAN FL76200V Ladder truss 76 cm x 200 cm 17 4 LNM oh FL76100V Ladder truss 76 cm x 100 cm FL76047V Ladder truss 76 cm x 47
16. with the help of eye bolts screwed in place in substitution for the side bolts see fig 13 or by direct hoist harnessing on the truss itself And finally the Libera structure can be hung from any point of the framework structure by simply substituting a pin with a double eye bolt as illustrated in figure 14 ee N a ee S TS ks NES 22 NENG on q N j Oy Emissione LITEC s r l Via Venier 52 30020 Marcon VE LLTCMT15IT1 10 06 2003 http www litectruss com mail to helpdesk litectruss com Versione 2 LIBERA Pag 23 di 23 MANUALE D USO E DI MONTAGGIO 12 Dismantling of the structure Dismanting of the structure can be carried out by repeatng in a reverse manner the operations which are described in the paragraphs concerning the assembly process The structure must be progressively dismantled in such a way so as to preserve its stability during the execution of the work 13 Useful advice e tis possible to achieve a slightly convex conformation of the structure by not using the elastic washers on the lower connections of the trusses so as to be able to more firmly tighten the screw bolt and screw nut connectors thus creating an angulation at the attachment between the trusses e In order to achieve a perfect alignment of the holes of the fork connectors it is advantageous to use the pointed punch tool which Is provided in the Libera assembly kit e lf the insertion of the screw bolt fo
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