Bevel-helical speed reduction gearbox B3 Cooling options see page onwards Approximate B3-SH-18B

Flender/Flender Gear Units/Bevel-helical speed reduction gearbox B3

ocal panels. ) Operation of earth leakage device shall be checked regularly temporarily connecting series test lamp (2 bulbs of equal rating connected in series) between phase and earth. xi) Regular inspection of all installations (at least once in month) The following features shall also be ensured for all electrical installations during construction phase by the contractor: ) Each installation shall have main switch with protective device, installed in an enclosure adjacent to the metering point. The operating height of the main switch shall not exceed 1.5 . The main swit ch shall be connected to the point of supply by means of armoured cable. ii) The outgoing feeders shall be double or triple pole switche with fuses / MCBs. Loads in three phase circuit shall be balanced as far 1 of 1 STANDARD TECHNICAL SPECIFICATION MECON LIMITED REGD. OFF: RANCHI 8 OIL & GAS SBU, DELHI DOCUMENT NO. Page 1 of 5 TITLE MEC//0/2/6 REVISION : 0 HEALTH, SAFETY AND ENVIRONMENT (HSE) MANAGEMENT EDITION : 1 possible and load on neutral should not exceed 2% of load in the phase. iii) The installation shall be adequately protected against overload, short circuit and earth leakage by the use of suitable protective devices. Fuses wherever used shall be HRC type. Use of rewirable fuses hall be strictly prohibited. The earth leakage device shall have an operating current not exceeding 3 mA. iv) All connections to the hand tools / welding receptacles shall be taken through proper switches, sockets and plugs. ) All single phase sockets shall be minimum 3 pin type only. All unused sockets shall be provided with socket caps. vi) Only 3 core (++) overall sheathed flexible cables with inimum conductor size of 1.5 mm 2 copper shall be used for all single phase hand tools. vii) Only metallic distribution boxes with double earthing shal be used at site. No wooden boxes shall be used. viii) All power cables shall be terminated with compression type ca