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LONGXING GPJ83-D04 Installation Manual

Dome mechanical seal fiber optic spliceclosure

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Dome Mechanical Seal Fiber Optic Splice Closure
(FOSC)
GPJ83-D04
Installation Manual
1

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Summary of Contents for LONGXING GPJ83-D04

  • Page 1 Dome Mechanical Seal Fiber Optic Splice Closure (FOSC) GPJ83-D04 Installation Manual...
  • Page 2: Scope Of Application

    1. Scope of application This Installation Manual suits for the Fiber Optic Splice Closure (Hereafter abbreviated as FOSC), as the guidance of proper installation. The scope of application is: aerial, underground, wall-mounting, duct-mounting, handhole-mounting. The ambient temperature ranges from -40℃ to +65℃. 2.
  • Page 3: Necessary Tools For Installation

    2.3 Main accessories and special tools Name of accessories Quantity Usage Remarks Heat shrinkable Protecting fiber splices Configuration as protective sleeve per capacity Nylon tie Fixing fiber with protective coat Configuration as per capacity Earthing wire 1 piece Putting through between earthing devices Abrasive cloth 1 piece...
  • Page 4 3.2 Special tools (to be provided by operator) Name of tools Usage Fiber cutter Cutting off fiber cable Fiber stripper Strip off protective coat of fiber cable Combo tools Assembling FOSC 3.3 Universal tools(to be provided by operator) Name of tools Usage and specification Band tape Measuring fiber cable...
  • Page 5: Installation Flow Chart

    4. Installation flow chart 1. Open the closure 2. Determine length of fiber cable to be fixed and stripped inside FOSC 3. Strip off protective coats of fiber cable and fiber 4. Separate fiber cores and prepare work prior to fixing fiber cable 5.
  • Page 6 Open the closure Demount hoop fixing bolt and pull hoop locking system out, then proceed in demounting the hoop. Pull the FOSC cover upwards out, installation could begin. See Drawing 1 Important issues: If the weather condition is not good enough, then a tent must be pitched for waterproof and dustproof.
  • Page 7 ④ . Fiber in 1600mm length: after stripping off the protective coat, it is to be winded inside the FOST after splicing with other fibers 5.2.2 See Drawing 2 Important issues: 1. Reserve enough length of fiber cable to be spliced. 2.
  • Page 8 the diameter of 100mm or so and fix it on the fiber cable temporarily by adhesive tape. 5.4.2 Reserve reinforced core in 50mm length and cut off the unnecessary ones. 5.4.3 See Drawing 4. Important issues:Entry/exit tubes are to be selected accurately to make it easy for splicing and sealing.
  • Page 9 5.5.2 After deciding number of fiber cable entry/exit, demount the nut, gasket and gasket ring of the corresponding entry/exit tubes according to the diameters of fiber cables actually to be installed, insert them into fiber cable in sequence, then insert fiber cables into entry/exit cable , tighten the nut in order to seal properly.
  • Page 10 5.6 Step Six - Splice fibers 5.6.1 Follow user manual of fusion splicing machine to splice fiber. Important issue: pay attention to the twist and bend of fiber 5.7 Step Seven -Install heat shrinkable protective sleeve and house fibers. 5.7.1 When having completed splicing the fibers, the first fiber ring should be housed on the farthest side of FOST, the remaining fiber should be winded, forming a ring with diameter not less than 80mm.
  • Page 11 5.8.2 Grommet should be pressed from inside to outside in order to properly install FOST. 5.8.3 Straight-through and reserved fibers with protective coat should be winded into fiber holding tray. 5.8.4 Check whether the internal tighteners and reinforced core are well tightened. 5.8.5 Check whether gasket ring is installed neatly and smoothly without any breakage.
  • Page 12 5.9 Step Nine – Assemble FOSC housing and fix FOSC 5.9.1 Put desiccant into FOSC. 5.9.2 Put FOSC cover on base directly. 5.9.3 Install plastic hoop between FOSC cover and the base, aim at center point of FOSC, tighten hoop locking system, which is to be fixed by hoop fixing bolt then. 5.9.4 All nuts (plastic ones) of base need to be retightened once more.
  • Page 13 6. Fiber Optic Splice Closures (FOSC) inspecting and testing items Inspecting type Inspecting Routine test Technical Requirements item (Before leaving Type test factory) Each small package contains one fiber optic splice Package closure, together with its accessories, tools, installation manual and packing list. Intact in shape, no burrs, bubbles, chaps, pores, warps, full Appearance...
  • Page 14 The spot between the FOSC and seal fitting can bear Bending bending tension of 150N at bending angle of ±45 for 10 circles, there should be no breakage on the housing Bearing torsion 50N•m, 10 circle at torsion angle±90 Torsion There should be no breakage on the housing.