S&C Omni-Rupter, Installation Manual

Page 1: ...structions 4 Replacement Instructions and Labels 4 Location of Safety Labels 5 Safety Precautions 6 Packing and Inspection Packing 7 Inspection 7 Installation Operating Pipe Preparation 8 Mounting to...

Page 2: ...of the interrupter switch blades to determine that the intended position has been attained Then tag or padlock the operating handle in accordance with standard system operating procedures In all cases...

Page 3: ...es 4 and 5 Retain this Instruction Sheet This instruction sheet is a permanent part of your S C Omni Rupter Switch Designate a location where you can easily retrieve and refer to this publication Prop...

Page 4: ...ecommended precautions are not followed NOTICE NOTICE identifies important procedures or requirements that if not followed can result in product or property damage if instructions are not followed Fol...

Page 5: ...ER Switches may be energized from either side and with blades in any position G 6580 2 C WARNING Lifting Instructions G 5928R3 D WARNING Lifting Instructions G 10030 E NOTICE Do not remove this liftin...

Page 6: ...thing in accordance with safe operating procedures and rules 4 SAFETY LABELS AND TAGS Do not remove or obscure any of the DANGER WARNING CAU TION or NOTICE labels and tags Remove tags ONLY if instruct...

Page 7: ...f extra couplings and guides 6 A detailed erection drawing ED for the Omni Rupter will be found in a water resistant envelope shipped with the switch If a Standard Mounting Arrangement is to be used t...

Page 8: ...e utility pole at the desired height for mounting the switch Refer to the erection drawing for details Step 2 Insert two inch diameter through bolts not furnished in the holes drilled in Step 1 and se...

Page 9: ...witch is fully closed b Attach lifting slings ONLY to the lifting brack ets bolted to the wooden support members c Lift the switch as shown in Figure 1 until the lifting slings are just taut d Unbolt...

Page 10: ...the switch is fully closed b Attach lifting slings ONLY to the vertical switch support member by looping around the dead ending bracket and the switch mounting weldment c Lift switch as shown in Figur...

Page 11: ...e turning until a firm resistance is felt NOTICE Installing Piercing Set Screws This equipment uses piercing set screws to couple the operating mechanism to the operating pipe and to provide stability...

Page 12: ...joined with rigid couplings rather than universal couplings See Figure 7 Make certain the cutting tips of the piercing set screws in the rigid coupling do not protrude through the body of the coupling...

Page 13: ...the lowest vertical operating pipe section a few inches above the operating handle assembly or key interlock with the U bolt connector pro vided for this purpose Then connect the lower end of the stra...

Page 14: ...age Now adjust the closed position stop plate so that the handle will require even greater pressure to force it into the closed position slot Mark on the support plate the location of the closed posit...

Page 15: ...option The wildlife protection option is not designed to be installed on energized equipment Failure to do so could lead to serious injury or death The wildlife protection option helps prevent climbi...

Page 16: ...covers onto the steel base of the switch in the positions shown on the associated RD draw ing If optional surge arrester mounting provi sions Catalog Number Suffix A1 or A2 have been specified for th...

Page 17: ...tches Porcelain and Cypoxy Insulators Blade end of the switch Install the wildlife disk on the bottom skirt root of the insulator Contact end of the switch Count up two skirts from the base and instal...

Page 18: ...ides together until the tabs audibly snap into place c Push the two halves of the disk together in towards the insulator so that it fits the insula tor as close as possible See Figure 17 Snap the uppe...

Page 19: ...are applied to only one side of the switch Maximum dead end loading for S C dead ending brackets on switches with insulated bases a 750 pounds or 500 pounds per conductor 14 4 kV and 25 kV respectivel...

Page 20: ...ration procedure before connecting to Omni Rupter terminal pads CAUTION DO NOT apply excessive load to the termi nal pads The jumper connections should be in line with and level to the terminal pad bo...

Page 21: ...shift the guide bear ings toward or away from the pole Alignment slots are provided for this purpose See Figures 6 and 7 on page 12 a Slide the interlock bracket locking disc operating handle assembly...

Page 22: ...er the open position slot when the switch is in the open position Hold the locking disc inch below the interlock bracket see Figure 22 and drill inch holes through the vertical operating pipe section...

Page 23: ...ulator and move the switch blade until it is in the fully closed position with the blade against the bumper stop then retighten the bolts making sure the blade remains in the fully closed position Cyp...

Page 24: ...met A Z nv0 minimum clearance between the opening cam and the opening lever A clearance between C cx0 and M cx0 between the shunt contact and the interrupter housing at the beginning of the closing sw...

Page 25: ...th the shunt contact during the duration of the closing stroke This will ensure that the shunt contact and interrupter housing contact stay in the circuit long enough for the interrupter to break the...

Page 26: ...minimum clearance between the opening cam and the opening lever A clearance between B cx0 and M cx0 between the shunt contact and the interrupter housing at the beginning of the closing sweep d Place...

Page 27: ...at the shunt contact and interrupter housing contact stay in the circuit long enough for the interrupter to break the circuit during the opening stroke g If adjustment is required loosen the bolts tha...

Page 28: ...Printed in U S A...