User manual HAWKE 710 EXD IIC ASSEMBLY

[. . . ] Pass the compound pot over pot cap and remove any surplus compound from the top of compound pot and joint faces as indicated. E Replace the entry over the compound pot ensuring that compound does not cover end of compound pot Note: If the equipment has a threaded entry it may be advisable to screw the entry component into the equipment to prevent twisting of the cable after step F F Locate and hand tighten the sub-assembly and to the entry . While holding the entry with a spanner / wrench add half a turn to the middle nut . Unscrew the sub-assembly and from the entry then remove any surplus compund from the gland components. Again locate and hand tighten the sub-assembly and onto the entry . EPOXY COMPOUND PREPARATION When handling this material, the gloves supplied must be worn. [. . . ] Ensure that the middle nut does not rotate when tightening the backnut . Ensure that the deluge seal is pulled into position if fitted. Locate the shroud over the cable gland if applicable. The following instructions are the approved methods of passing drain wires etc. through the compound barrier and should be followed if permitted by cable installation specifications. UNINSULATED EARTH OR DRAIN WIRE PREPARATION 1. 0 INSULATING EARTH OR DRAIN WIRES WITH HEAT SHRINK OR COLD SHRINK TUBING 1. 1 Remove foils and tape level with the inner sheath, exposing the uninsulated earth or drain wires and insulated conductors. Cut back a further 10mm of inner sheath. 1. 2 Pass 100mm length of heat shrink or cold shrink tubing over the uninsulated earth or drain wire until it comes into contact with the foils, then shrink the tubing evenly down onto the uninsulated earth or drain wire so that no air pockets occur. 1. 3 To insulate the joint between the foils and the tubing a suitable piece of 10mm long shrink tubing or neoprene stretch tubing or a 10mm wide lap of PVC tape may be used. 1. 4 After completing 1. 1 to 1. 4 on each earth or drain wire, lay the armour parallel to the cable, if applicable, then carry out instruction B. INDIVIDUAL SHIELDING OR SCREEN PREPARATION 2. 0 INSULATING SCREENS WITH HEAT SHRINK OR COLD SHRINK TUBING 2. 1 Unravel one or two groups of wires from the individual shielding or screen wires, then remove the remainder of the individual shielding or screen wires (See Fig. 2) and twist the wires along their full length. 2. 2 Pass 100mm length of heat shrink or cold shrink tubing over the individual shielding or screen until it comes into contact with the foils, then shrink the tubing evenly down onto the individual shielding or screen so that no air pockets occur. 2. 3 To insulate the joint between the individual shielding or screen wires and the tubing, place one lap of PVC insulating tape over the exposed metallic joint. 2. 4 After completing 2. 1 to 2. 5 on each individual shielding or screen, lay the armour parallel to the cable. Then carry out instruction B. Inner Sheath Shielding Screen Wires Outer Sheath One or two groups of shielding screen wires Fig. 2 Inner Sheath Foils Outer Sheath Fig. 3 10mm Insulated Earth, Drain Wire or Twisted Screen Fig. 4 Insulated Earth, Drain Wire or Twisted Screen Fig. 5 Sleeving Epoxy Compound Cure Time Vs. Temperature 90 80 70 60 50 40 30 20 10 0 4 8 12 Time (Hours) 16 Shore Hardness The compound may be adversely affected by some solvent vapours. If such vapours are likely to be present in the vicinity of the cable gland in service, suitable precautions may be necessary. (Contact Hawke's Technical Dept). 40 ºC 25 ºC 4 ºC The compound cures at a Shore D hardness of 85, when it can be handled. The compound when fully cured is suitable for use at a temperature range of -50°C to +60°C. Fig. 7 AI 391 - Issue A / Page 3 of 4 CABLE GLAND SELECTION TABLE Size Ref. [. . . ] During periodic inspections the cable glands should be checked externally for tightness and visually inspected for any harmful corrosion. Cable gland installation work should not be carried out on live circuits. SCHEDULE OF LIMITATIONS: 1. The cable glands shall only be used where the temperature at the point of entry, is between -60°C to +80°C or -50°C to +60°C (as marked on the product). The entry thread shall be suitably sealed, in accordance with the applicable installation code of practice, to ensure that the ingress protection and restricted breathing sealing standards are maintained. [. . . ]