Laserfiche WebLink
OSYSU-1,-2 <br /> P PO ] OUTSIDE SCREW AND YOKE. <br /> The Symbol of Protection VALVE SUPERVISORY SWITCH <br /> FIG.2 LARGE VALVE INSTALLATION-3" THRU 12"SIZES <br /> 3"THRU 12"(76mm THRU 300mm)VALVES BRACKET <br /> USE CARRIAGE BOLTS. BOLTS MOUNT <br /> ON INSIDE OF YOKE.IF THERE IS <br /> SUFFICIENT CLEARANCE. CLAMP BAR <br /> CARRIAGE BOLTS <br /> (2 REQUIRED) <br /> SLOTTED ROLLER <br /> MOUNTING HOLES. <br /> MAY BE USED FOR I GROOVE <br /> FINE ADJUSTMENT <br /> OF SWITCH ON l �`` <br /> BRACKET. YOKE <br /> fit <br /> ter <br /> 00 . <br /> it VALVE STEM <br /> -1410-1( <br /> TRIP ROD <br /> UWG=979-4 <br /> GLAND <br /> • <br /> LARGE VALVE INSTALLATION <br /> 1. With the valve in the FULL OPEN position,locate the OSYSU across 6. Mount the OSY S U loosely with the trip rod centered in groove. <br /> the valve yoke as far as possible from the valve gland,so that the trip <br /> rod lays against the non threaded portion of the valve stem. 7. Final adjustment is made by loosening 2 screws (see Fig. 2) and <br /> sliding the OSYSU on the bracket. Adjustment is correct when <br /> 2. Mount the OSYSU loosely with the carriage bolts and clamp bar switches are not activated with the trip rod seated in the valve stem <br /> supplied. groove and that the switches activate within one turn when the valve <br /> 3. Loosen the locking screw that holds the trip rod in place and adjust is operated from the FULL OPEN towards the CLOSED position. <br /> the rod length(see Fig.4). When adjusted properly,the rod should 8. Tighten the adjustment screws and mounting hardware. Check to <br /> extend past the valve screw,but not so far that it contacts the clamp insure that the rod moves out of the groove easily and that the switches <br /> bar. Tighten the locking screw to hold the trip rod in place. activate within one turn when the valve is operated from the FULL <br /> NOTE: If trip rod length is excessive, loosen the locking screw OPEN towards the CLOSED position. <br /> and remove the trip rod from the trip lever. Using pliers,break off NOTE: CLOSE THE VALVE FULLY TO DETERMINE THAT THE <br /> the one(1)inch long notched section(see Fig.5). Reinstall trip rod STEM THREADS DONOTACTIVATE THE SWITCH.THE SWITCH <br /> and repeat Step 3 procedure. BEING ACTIVATED BY THE STEM THREADS COULD RESULT <br /> 4. Mark the valve stem at the center of the trip rod. IN A FALSE VALVE OPEN INDICATION. <br /> 5. Remove the OSYSU. File a 1/8"deep groove centered on the mark <br /> of the valve stern utilizing a 3/8"diameter straight file. Round and <br /> smooth the edges of the groove to prevent damage to the valve <br /> packing and to allow the trip rod to move easily in and out of the <br /> groove as the valve is operated. <br /> • <br /> PRINTED IN USA MFG.#5400979-REV S-1 PAGE 3 OF 4 <br /> 11/10 <br />