ScopeDome Clamshell 3M Manual de instrucciones

Assembly and Installation of

ScopeDome 3M Clamshell Observatory

 
 
Table of Contents 
 
ScopeDome Clamshell 3M observatory specification........................................................................ 3 
Observatory components............................................................................................................... 3 
Observatory automation ................................................................................................................ 3 
Clamshell 3M observatory installation site requirements ................................................................ 3 
Packaging of a Clamshell 3M Observatory......................................................................................... 4 
List of necessary tools and materials for the installation of the observatory................................... 5 
Assembling the Base Elements of the Observatory ........................................................................... 7 
Preparation for the installation of the Observatory ...................................................................... 7 
Moving of Individual Parts from Pallet to Assembly Location ....................................................... 8 
Marking out the Observatory Position upon the Slab.................................................................... 9 
Securing 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 ................................................................................................. 31 
Installation of Internal and External Observatory Covers................................................................ 31 
Installation of Observatory Cover Seals ........................................................................................... 33 
Installation of the seal on shutter #1 ....................................................................................... 34 
Installation of the seal on shutter #2 ....................................................................................... 35 
Installation of the seal on shutter #3 ....................................................................................... 36 
Installation of an external seal ................................................................................................. 37 
Maintenance, regulation of the observatory................................................................................... 38 
SPECIFICATIONS................................................................................................................................ 39 
 
 

ScopeDome Clamshell 3M observatory specification

Observatory components

- Observatory base –2 segments

- Aluminium stiffening ring –4 segments

- Observatory shutters –3 pieces

- Sealings of observatory shutters –4 pieces [3 types]

Observatory automation

- Shutter drive units integrated with the bases of the observatory

- ScopeDome Arduino 1.3 card observatory controller

- Clamshell observatory control relay module

- Limit switches module for observatory shutters

- Inverter control of the operation of drive motors

- Hygrometer with integrated thermometer

- Power cords for drive unit of the left side of the observatory

Clamshell 3M observatory installation site

requirements

Due to the structural and technical parameters, the Clamshell observatory should be placed on a

concrete slab with a load capacity being calculated inclusive of the weight of this observatory (ap-

prox. 300kg). The slab shall 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 considering all necessary cable routes for power and

communication, as this observatory does not provide such conduiting from outside to its inside. The

slab should be sealed to prevent uprising of moisture, and at the least, with an appropriate concrete

top sealer.

Before proceeding with the installation, we encourage you to familiarize yourself with the photo

documentation of this manual. Through the associated text and the accompanying photos, please

familiarize yourself with the details of the work carried out during each stage. Before the installation

stage, you should also plan the different stages of work and prepare all necessary materials and tools

for installation.

Packaging of a Clamshell 3M Observatory

The observatory is supplied in three vinyl wrapped, oversized pallets [length x width x height of

2800mm x 2100mm x 2280mm], with the equipment being in partially assembled state. The ship-

ment contains the following:

- Pallet #1: Left observatory base with drives and their covers,

- Pallet #2: The observatory 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 observatory base, and a set of Shutter Seals.

Figure. 3 –elements of the upper ring stiffening the base of the Clamshell observatory

List of necessary tools and materials for the

installation of the observatory

Tools:

- Phillips Head, cross-size PH1 and PH2 screwdrivers

- Small screwdriver with flat tip for turning electrical fittings

- Allen wrenches 3.0 mm and 2.5 mm

- Electric tester (neon tube)

- Universal multi-meter

- Open or closed spanners for nuts associated with the M5, M6, M8 screws

- Impact drill and drill for concrete anchors, and metal drills of 5 and 6 mm sizes

- Plain and plastic hammers for setting of part positions

- A tape measure or laser distance 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 preferred anchor with similar speci-

fication.

- Sealing silicone, and applicator gun –approximately 5 tubes with a capacity of about 300 ml

- fast-bonded adhesive in the tube –for the installation of brush seals [approximately x1 capacity of

about 300 ml].

Figure. 4 –sample set of materials and tools for mounting the observatory

Note: Due to the weight (approx. 100 kg) and the 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

Assembling the Base Elements of the Observatory

Preparation for the installation of the Observatory

Due to the size, shapes and weight of the individual components, there is a risk of

injury during the processes of disassembly, placing parts to storage, and that of

the assembly. Always implement adequate safeguards and comply with local

occupational health and safety requirements.

The installation of the observatory should be planned during a period of good, windless and rainless

weather. The assembly time frame for this observatory will vary in accordance to the efficiency and

size of the assembly team. Allow for approximately 16 hours for the unpacking through to assembly

completion.

Preparation for installation 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 of

a lift or crane].

2. With no separation of the upper and lower parts: In this case, the gantry/ crane (Fig. 4)

should be used for lifting and part transportation. The manual cartage of these awkward,

oversized and heavy elements is very difficult when assembled, creating a risk of damage to

the bases and that of injury to the team. In this case of implementing a gantry/crane, 3 peo-

ple will be satisfactory for the assembly.

Figure. 5 –unpacked left part of the observatory base, with upper and lower segments defined

The illustrations below show the process of installing the observatory in accordance with Option 2

above, electing to separate the upper and lower segments of the Left and Right bases.

Moving of Individual Parts from Pallet to Assembly Location

To begin, the slab should be dry and clean. This will ensure the good adhesion of the sealing com-

pound that goes between the slab and the observatory base. Four persons will be required to safely

lift and transport the base elements from the pallet to the assembly position. You can still 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. Ensure to partially

dissassemble these to allow the slings to be safely passed through and then connected to the gantry.

Otherwise, have your team of at least four people ready whilst these are removed.

Figure. 7 –dismantling of M6 screws connecting the top and bottom of the observatory base to be

transported to the installation site

Marking out the Observatory Position upon the Slab

In the next stage of preparation, we place the bases on to the slab to mark out the contact area of

the observatory to the slab. Connecting the two base halves without bolts and positioning these rela-

tive to the centre of the slab, you can define the rotation and position of the observatory. This is not

a critical element of installation and 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 the slab with a car-

pentry pencil. This will provide an outline for applying the sealing compound that goes between the

base and that of the slab.

Figure. 10 –inner outline of the observatory base

Figure. 11 –outer outline of the base of the observatory

Securing Observatory Base to Slab

The first step is to mark location and drill holes for the fixing bolts that will secure the observatory to

the slab. Depending 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 observatory

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