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5. Feed beaded chain through the bohwa of Thu crossbeamand Condtic: tint) L oak Tests <br /> threaded tube. Secure using notch m hon ntud tube. <br /> L fdahtt tants flora uuliratot tt; willi in the hole at center of scale <br /> when t+mvti r ir4luwored in wait,/ iuvol, Move scale as required, <br /> Tum Ihit tnttx isd)uriinu:nt dnva : ;= 1oflkwlse( raise float), holding <br /> the Thniatiod ti )ho so that it imt, i otil twist , until the float indicator <br /> moves (ittm flrca icinlor to ilex tiiiiOrefooithe measurement <br /> scale. Rt,inin nut hack and Iorih Its cronfirm float is free to move. <br /> Position laitthna toad / of fioei woo o1ofbiack dot on edge of first <br /> circle. <br /> Set Up and Sensor Calibration It float top mrltt ;rilol Is toucluu,I bov74 slda of scale, use a flat <br /> 6. Place crossbearrr on top of containinont sump as clo%v to the blade scntii', llivot to cnrolulgt n,)nt,vu float assembly at the ball <br /> edge of the manhole as possible so that you can view the joint. Pry ~til tho piatrtic hoec. ieht ftwo molal ball, Then bold float <br /> indicator from the top. Look along flit) manso line of sight for by the tuba nr, kf to iluandori , tt11 Mid Tom cloclnvise to shorten <br /> each measurement float asse llibly I /.tin ,^) pail 4PI Itlwi , to Ir nitach float assembly. <br /> 7 . Lower the sensor tube via the beat t, e10 win to the Nit tit 2. Start lho tt, iii Record thtt iiitw Thu test should run for 15 to <br /> surface until the float starts to move feuni Tito wall or flit, luhti 60 minute:, tinifttnding on tmiop lair and accuracy required, <br /> towards the center of the sensor tuboinirramirement scat, h may Accuracy u. nninilviid with lumpst it, tst ,% <br /> stick to wall due to surface tension. Otwo free you may ntivil to <br /> raise sensor after freeing. Lock chain onto slot in threadad rod. 3. Record tho porsition of lho 11mil ovary 15 minutes. Each circle <br /> Try not to submerge scale in water as flit, water droploh on back on the scah, uoi omints a levtil e liangrr of .01 inches. Note: If <br /> side may interfere with float movement Apply a thin layt,t of +soap float move:: ' . liotivoon twit t ;o lt. tncord . 0025 inches change, <br /> on float (remove excess with a rag) to wduce surface trmnion and <br /> the float sticking to housing side. 4. Compare it,vol change rail, it , entioutacturer's specifications or <br /> regulatory nuiiijannonts . <br /> 8. Turn brass adjustment nut counterclockwise, holdmi ) then inch change % ( 30 minute Iiihl ) F I level change over one hour <br /> threaded tube so that it does not twist , to lower the sewinr Who inch change, t a ( "i0 minute Iwai ) t d4 level change over 24 <br /> until the float indicator stops moving towards the center 11 tho hours <br /> float indicator is within the hole at the centor of scale, ,f u, not <br /> necessary to reposition the scale. Calibrate by loosenuii ) Ihn <br /> thumbscrews holding the measurement scale in place ( toolly <br /> move the scale so that the hole in middle of scale is aBipitid with <br /> float pointer. Wait for float to stop movuicl , tighten the <br /> thumbscrews when aligned . <br /> Do not lean or put any weight on cross member whiltr rit itu:4ing <br /> or conducting test, this can cause dellvcl on of cross <br /> member and float position. <br /> 4 <br /> c <br /> h <br />