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OSYSU-15-2 <br /> OPOTTER OUTSIDE SCREW AND YOKE <br /> The Symbol of Protection VALVE SUPERVISORY SWITCH <br /> SMALL VALVE INSTALLATION-1/2"THRU 2 1/2" SIZES <br /> TJ1ese.slvitcltea motutt eorrvertierNly to ruort 2"to 12"OSc-Y vcdves. The3�will rrtatmt art.same valves a.s srrtcrll rrs !/2". 1-ftnnkc <br /> nw),he required on valves with lirnired clemmance. <br /> i <br /> i <br /> i <br /> i <br /> SLOTTED <br /> MOUNTING <br /> HOLES NIAY 131; <br /> USED FOR FINE <br /> ADJUSiAI ENT OF <br /> SWITCH ON <br /> BRACKET <br /> CLAMP <br /> BAR BRACKET <br /> I <br /> i <br /> CARRIAGE <br /> BOLT <br /> i <br /> i <br /> SINIALL VAI VE INSTALLATION <br /> 1. Remove and discard"C"washer and roller from the trip rod. and smooth the edges of the groove to prevent damage to the valve <br /> 2. With the valve in the NULL OPEN position, locate the OSYSU <br /> packing and to allow the trip rod to move easily in and out of the <br /> groove as the valve is operated. <br /> across the valve yoke as far as possible from the valve gland,so <br /> that the trip rod lays against the non-threaded portion of the valve 7. Mount the OSYSU with the trip rod centered in groove. <br /> sleet. <br /> b. Final adjustment is made by loosening 2 screws(see Fig. 1) and <br /> 3. Loosen(he locking screw that holds the trip rod in place and adjust sliding the OSYSU on the bracket. Adjustment is correct when <br /> the rod length(see Fig.4). When adjusted properly,(lie rod should switches arc not activated with the trip rod seated in(lie valve stem <br /> extend past the valve screw,but not So far that it contacts the clamp groove and that the switches activate when the trip rod moves out <br /> bar. Tighten the locking screw to hold the trip rod in place. of the groove. <br /> NOTE: If trip rod length is excessive, loosen the locking screw 9. "lighten the adjustment screws and all mounting hardware. Check <br /> and remove the trip rod from the trip lever. Using pliers,break off to insure that the rod moves out of the groove easily and that the <br /> the one(1)inch long notched section(see Fig.5). Reinstall trip rod switches activate within one turn when the valve is operated from <br /> and repeat Step 3 procedure. the DULL OPEN towards the CLOSED position. <br /> 4. Mount the OSYSU loosely with the carriage bolts and clamp bar NOTE: CLOSE THE VALVE FULLY TO DETERMINE THAT THE <br /> supplied. On valves with limited clearance use J-hooks supplied STEM THREADS DO NOTACTIVATETHE SWITCH.THESWITCH <br /> instead of the carriage bolts and clamp bar to mount the OSYSU. BEING ACTIVAI'ED BY THE S1TM THREADS COULD RESUIX <br /> 5. Mark the valve stela at the center of the trip rod. IN A PALSE IIALVE OPEN INDICATION, <br /> 6. Remove the OSYSU. File a 1/S"deep groove centered on the mark <br /> on the valve stem utilizing a 3116" diameter straight tile. Round <br /> PRIK I H)tN USA NIFU 145400979-REV S-1 PAGE 2 OF 4 <br /> 11/10 <br />