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Assembly and Installation of 
ScopeDome 3M Clamshell

 

Observatory 

 
 

 

 

 
 

 

Summary of Contents for Clamshell 3M

Page 1: ...Assembly and Installation of ScopeDome 3M Clamshell Observatory ...

Page 2: ...ng Observatory Base to Slab 10 Installation of the Upper Base Elements 13 Installation of the Upper Aluminium Ring 16 Installation of Observatory Shutters 18 Preparation for the installation of shutters 18 Installation of Observatory Shutter 1 21 Installation of Observatory Shutter 2 24 Installation of Observatory Shutter 3 27 Testing of Observatory Operation 30 Adjust Position of Limit Switches 3...

Page 3: ...l have a minimum diameter of more than 2800 mm 3000 mm recom mended which is the diameter of the observatory base It is necessary to ensure that the base is adequately levelled and the smoothness of the surface made so that the maximum deviation does not exceed 3 mm in each of the points in particular on the perimeter of the slab At the design stage of the observatory s foundation it is also worth...

Page 4: ...bservatory base with the drives their covers and the control electronics and Pallet 3 The 3 observatory shutters Figure 1 Clamshell packed bases x2 for Left and Right sides and the shutter pallet Figure 2 Clamshell parts boxes and safety covers Inclusive within the consignment are the necessary Fixtures and Fittings for observatory installation the Aluminium Stiffener Ring that mounts atop of the ...

Page 5: ...nce meter Transport belts for lifting and moving observatory elements Wooden or plastic wedges coasters measuring 5x5 cm and a length of approx 15 cm for leveraging elements apart during the sealing processes Materials required separately Concrete anchors for fixing observatory base to concrete foundation Suggested M8 with a length of at least 80mm at least 10 pieces Alternatively your choice of p...

Page 6: ...e dimensions of the individual components we recommend using a gantry lift or a small crane for lifting and mounting components The recom mended minimum load capacity of the crane is 400 kg Figure 4 electric gantry used for observatory mounting ...

Page 7: ...stallation begins with unpacking of the components from their packaging The in stallation of the base can be done in two variants 1 Separating the top and bottom of the observatory base for easier transportation of observa tory elements to the assembly position The disassembled components may in this case be transported and manually positioned with the participation of 4 persons without the help o...

Page 8: ...employ an overhead gantry for this purpose using material lifting slings that will protect the observatory s sur face during the lifts The slings can be placed between the top and bottom of the observatory base as shown in Fig 6 and 7 Figure 6 putting the transport slings between the top and bottom part of the observatory base The upper and lower elements of the base halves are joined by M6 bolts ...

Page 9: ...d can be carried out with a fairly high tolerance At this stage care must be taken to ensure that the base of the observatory is properly oriented at the geographical directions if required Figure 8 positioning of the bases of the observatory Figure 9 measurement of observatory position relative to the centre of the slab In the next step we mark the inner and outer edge of the observatory base on ...

Page 10: ...epending on the needs and quality of the concrete a minimum of 10 holes should be pro vided Drilling can be done directly through the laminate of the base halves however care must be taken by gently applying pressure through the drill upon the observatory surface so not to damage or fracture the laminate Figure 12 drilling of base fixing holes Figure 13 drilled holes in one of the bases of the obs...

Page 11: ...ould be applied in the form of two parallel strips from the outer and inside of the base A good sealing of this element is crucial to protect the observatory from the inflow of water during rainfall Figure 14 applying seals under the base of the observatory Figure 15 applying seals under the base of the observatory In the same way we apply sealant seals on both planes of the connecting halves of t...

Page 12: ... entire base will be riding on a bed of sealant glide entire base into position to align anchor holes positions to holes in the slab Apply anchors tighten these to specification Figure 17 mounting the base with anchors Next both halves of the base of the observatory are secured by the supplied M6x25 bolts and nuts placing them in pre prepared holes Figure 18 connecting the bases of the observatory...

Page 13: ...stalled lower elements Before placing the upper parts into position the mating surfaces should be sealed with sealant same way as with the lower parts to the slab Figure 19 preparation for installation of the top of the observatory base Figure 20 sealing of the observatory base elements Figure 21 sealing of the observatory base elements ...

Page 14: ...nto place we secure these to the lower elements with the M6x25 bolts and nuts previously removed If you can please seal the spacers positions before com pletely the lowering upon the base Before the final connection of the both elements it is necessary to remember to make silicone seals on the vertical planes of the upper elements of the observatory base which next should be screwed with the inclu...

Page 15: ...ure 25 Screw connections of the upper elements of the observatory base After the initial combination of all the elements of the observatory base confirm all bolts and nuts are tight and secure Figure 25 Final connection of the upper elements of the observatory base with screws ...

Page 16: ...red segments Figure 26 Ring element numbering All segments have holes to attach it to the top of the observatory base with the included M6x25 bolts and nuts The wider part of the ring must be oriented in a way that it is on the front of the observato ry base Figure 26 Way of orientation of the wider part of the ring based on the observatory Figure 27 Ring fixing holes to the base of the observator...

Page 17: ...ual parallel paths to ensure the prevention of water infiltration and to reduce moisture condensation Figure 28 Sealing of the stiffening ring when connecting to the observatory base Figure 29 Securing the ring with mounting screws Ensure all stiffening ring elements are sealed mounted and installed upon the base assembly the same way Figure 30 Mounting the side elements of the stiffening ring ...

Page 18: ...ce please remove these first so you have clear access to the shutter mounting handles that are found on both Left and Right sides of the base In order to install individual shutters efficiently it will be necessary to be able to drive the individual drive units responsible for opening and closing them to designated positions In your parts box there will the Plug N Play wire loom having correspondi...

Page 19: ...rvatory driver Note Always connect cables according to their numbering Make sure that the plugs are connected correctly on both sides of the plugs Incorrect connections can damage the observatory shutters or their drives Figure 33 connecting the motor power wires on the left side of the observatory base to the con troller After the connections are made the powered drive units must be tested for th...

Page 20: ...Do not proceed until all drive movements are tested Tests 1 Before proceeding with further work make sure that all actuators and end switches are work ing correctly by moving drives to fully open and then fully closed positions 2 Verify that the drive handles do not lock in the end positions with the drive axles 3 Verify the angular position of the handles of all shutters and ensure symmetrical mo...

Page 21: ... transport the shutter number 1 to the position directly in front of the observatory Note door is at the front position of the observatory see below This will provide you the shortest path of lifting and transporting the shutter number 1 into the right assembly position and orientation Figure 37 Shutter No 1 orientation before installation NOTE There will be bolts and nuts installed to the shutter...

Page 22: ...s not fall during its installation in the handles Figure 39 Shutter no 1 placed on the ring of the base Note Pay special attention when embedding the shutter connection flap that the mounting handle is on the outer side of the shutter as shown below in Figure 40 This method of installation applies to all shutters Figure 40 Shutter no 1 in the handles For the installation of the shutter onto the mo...

Page 23: ...ion as shown M5 bolt heads must be located on the outer side of the cover To match the holes in the shutter connection to the mounting han dles you can use the S1 button pressed and held and the OPEN or CLOSE button to manually drive the mounting handle to the best position You can also use a Phillips Head screwdriver to fine align the bolt holes Figure 41 How screws and aluminium washer are attac...

Page 24: ... Shutter 1 shall be in a closed position rested on the front of the ring Figure 44 Orientation and preparation of Shutter No 2 for installation Unlike Shutter No 1 its installation is made from the back of the observatory As with shutter 1 special care should be taken to ensure that the side of the flap marked Shutter Right is on the right side and the side marked Shutter Left is on the left side ...

Page 25: ...ve shutter No 2 onto the upper part of the base of the observatory and settle it on the parking handles Make sure that the shutter is well seated in the handles and will not fall out during installation Figure 47 shutter No2 transport to top of base As with the installation of shutter 1 special attention should be taken when setting the shutter so that its handle is on the outer side of the shutte...

Page 26: ...Figure 48 Screw connections of shutter No 2 After tightening all bolts to shutter 2 whilst it laid in its parking handles it is necessary to remove these three handles from the ring After unscrewing the fixing screws the handles can be pulled from the bottom and through the gap between the shutter and the base wall by pulling out the shutter slightly After disassembling and removing these handles ...

Page 27: ...Shutter 3 is the heaviest of the installed observatory shutters Installation of shutter 3 is only pos sible with shutters 1 and 2 and mounting handles for shutter 3 ass shown in figure number 49 above As with shutters 1 and 2 attention shall be paid to the appropriate labels on the shutter placing these so they are orientated towards the corresponding side of the base of the observatory Figure 50 ...

Page 28: ...he lower edge of shutter 3 The correct positioning of the edges of the shutters is shown in Figure 52 Figure 52 position of the rear edge of shutter 3 relative to 2 Installation of the cover in a different way will prevent it from working properly and may damage the Shutter s or drive units Figure 53 Shutter No 3 mounting in the handles left view ...

Page 29: ...ers in the 3L and 3R marked bags should be used as shown in Figure 55 Figure 55 mounted shutter 3 in the handles inside view on the left side After tightening all the screws fixing shutter 3 in the handles you can proceed to verify the correct operation of all installed observatory shutters ...

Page 30: ...rifying that the covers or their handles do not interfere with the drive shafts in the opening or closing positions DURING OPENING it is also necessary to verify that the shutters do not touch each other s edges and make appropriate adjustments to the mounting in the handles if necessary This applies in particular to the operation of opening Shutter 1 which in open position hides between the Shutt...

Page 31: ...ting of opening and closing the observatory we can proceed to the installation of external and internal drive covers The installation is done with closed observatory covers although this is not an obligatory condition We begin work by installing the inner gear cover attaching it with the included M6 screws with cross head to the mounting holes located in the ring Figure 58 installation of the gear...

Page 32: ... Figure 59 Figure 59 Spacer screws for fixing the covers of external drive units The end of the M6 thread spacer bolt shall be screwed into the hole in the main shaft of the drive shaft as shown with Figure 60 Figure 60 Mounted spacer bolt in the main shaft hole To install the cover remove the M8 cap from the spacer screw unscrew it and embed the cover as shown in Figure 61 and 62 Special care sho...

Page 33: ...e quire additional mounting adhesive for permanent attachment Three Seals are delivered in the following set 20x15 mm EPDM seal mounted on the front edge of shutter 1 10x12 mm D seal mounted on the top edge of shutter 2 Brush seal 20x7mm mounted on the back of the observatory directly under the ring Brush seal 20x7 mm mounted on the inside on the front of shutter 3 For the installation of brush se...

Page 34: ...ft shutter 1 so you can access its inner edge as shown in Figure 63 Figure 63 Opened shutter 1 for the installation of the seal Starting from the beginning of the edge of shutter stick the 20x15 EPDM seal as shown in Figures 64 and 65 on its entire edge Figure 64 Installation of the seal on the edge of shutter No 1 Figure 65 Installation of the gasket on the edge of shutter No 1 ...

Page 35: ...g of shutter 2 in such a way that you have a free access to its front edge on the rear of the observatory as shown in Figure 66 Figure 66 Opening of shutter 2 for seal mounting After cleaning the mounting surface stick the seal with a profile D 10x12 mm along the outer edge of the cover as shown in pictures 67 and 68 Figure 67 mounting the seal on shutter 2 ...

Page 36: ... by on contact edge of the shutters 1 and 3 as shown in Figure 69 Before plotting the line and mounting the seal the contact surface of the edges of the covers should be thoroughly cleaned and degreased Figure 69 Marking the line for mounting a seal on shutter 3 After the assembly line is marked apply the 20x7 mm brush seal along the line with a quick binding adhesive on the edges of the seal base...

Page 37: ...w the edge of the ring as shown in Figure 71 As with other seals the installation place should be clean dry and degreased Installation of the seal should be carried out with fully opened shutters of observatory 2 and 3 As with the installation of the seal on shut ter 3 an additional quick bonding flexible adhesive should be applied to the edges of the seal base Figure 71 How to install the seal un...

Page 38: ... motor fastening screws and gears and that of the Shutter connections The condition of the drive chains should be monitored and lubricated regularly and if necessary replaced with new ones Do not allow them to rust or accumulating of sand or dust which negatively affects the durability of the drive mechanism INCOMPLETE To be Completed ...

Page 39: ...1 m weight 300 kg number of shutters 3 opening time 80s drive six engines 250W automation ScopeDome Arduino Card software ScopeDome Arduino Driver ASCOM Windows 10 equipment bay 77 x 35 x39 cm door 77 x 59 cm dedicated telescope PlaneWave CDK 700 or smaller ...

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