Instruction Manual - Forestry Suppliers, Inc.
Contents
1. L 0 too oe FO 5 28g Pe ENN Pm lt lt LOSES F5Fossse 2 0 289 5 PS aess ieee 8 25 65 9 0 50 lt A o oO LL rere en NN Sees OPZagggze vo SY oo 2s Oo 2 Ce 25 SEEROHLOTSADES volge 2 S40 gt a OF GES T oo Doua 05c gt 5 lt T gt 6009 OOS n OR HT DSO oova OS z a Sat SSsez07OF oog os amp s o S 2 2 D ESLCSSSPOEES SLES 892 S5SCS5 OP OHSGUGZ CBAD SELCS 52065 Los olog ELEDE s 2 gt Seacesss oF gt SUB RATS ERG 20508 gt D J 5 n eet ee SESPTOGDEDROTED TOO SHAOGO 5 2 gt SS gt lt SR BOTS Lge gE FESS brEt zy iets 235 TOs eSsLoSsarn EpL Lz G52 oa Opes gt poneSege e225 15488 522 sotya Sg IEn 5559 ES 2 _ Sora c 70 gt n sFecgeeoleses gool TZL 222 t J O 58zop no S255 52 5 FEE EE TE 2 gt on Q OfCE BS ESTE eB aS2. insert a small Allen wrench into the hole in the Shaft and unscrew it Clean Shaft and replace it if any portion is bent Roll Shaft on a flat surface to reveal bent portions Replace the Shaft if it is scarred or burred Scarring on the rounded section of the Shaft indicates sediment in bearing surfaces Replace the Contact Chamber if this is the case MAGHEAD ONLY If the magnet protrudes and prevents rolling look for bright sections on the magnet which indicate rubbing on the inner wall of the contact chamber Replace Shaft if there is rubbing Clean Pivot and check for burrs on the point with a magnifying glass Pivot burrs cause inaccuracy Replace Pivots with burrs or rounded points Check Pivot for magnetization Touch the Pivot on a paper clip If the Pivot lifts the paper clip it is magnetized Demagnetize with a bulk magnetic tape eraser or a tape player head demagnetizer or else replace the Pivot Clean Pivot Bearing The end of a cotton swab is usually too large to fit all the way into the Pivot Bearing Remove some cotton on the sides of the swab and twist the end of the swab into a point to reach the bottom of the Pivot Bearing A clean Pivot Bearing usually shines If there is hardened material in the Pivot Bearing apply a drop or two of meter oil on it for a couple minutes to help remove it For stubborn material wrap a small piece of industrial wipe around the end of a small Allen wrench Take extreme care that the wipe fu
3. SrO ZL 27 0 9910 6 cGc 0 6910 co 2920 2910 ve 9 0 SOLO 22 8920 8910 oc vlcO 2210 ec 0820 9210 9 2820 6210 620 80 ose ooe osz ooz ost oor os gt o se o j GNOD3S Hid 13343 NI 66 9 SUILAW LNIUUN VY UOI ZON IIAULYINILVYU METER ASSEMBLY Locking Locking Tab Curve 1 On the Vertical Fin lift up Recesses ole on the Locking Tab to clear the Locking Nub from the Locking Hole and rotate the Locking Flanges Tab 180 clockwise 2 With the Locking Re cesses up and on same Vertical Fin side as the Locking Tab slide the Horizontal Fin into the Vertical Fin slot Guide each fin in between the flanges on the mating fin This may require a little wiggling Locking Nub Locking Tab Flanges Horizontal Fin Balanc Weight 3 Slide the Horizontal Fin into the Vertical Fin flanges until the curved Locking Recess aligns beneath the Tab Curve 4 Rotate the Locking Tab 180 counterclockwise until the Locking Nub engages the Locking Hole 5 Insert the fin assembly Tang fully into the AA Current Meter and tighten the Fin Set Screw Move the Balance Weight as needed to balance the current meter METER MAINTENANCE Key to water velocity measurement accuracy is meter maintenance Clean and adjust the meter often and repair if neces
4. the Bucket Wheel Oil Pivot Bearing with only one drop of meter oil too much oil attracts sediment Dip the end of a straightened paper clip into meter oil and transfer the drop to the Pivot Bearing DO NOT use vegetable based oils like 3 in 1 oil which emulsify too easily or silicon based oils which hold sediment and are difficult to clean off Align Bucket Wheel assembly in the Yoke and thread the Shaft back into the top of the Bucket Wheel Hub using a small Allen wrench Snug the Shaft but not so tight that removing it bends the wrench Insert Pivot through the bottom Yoke hole Use the Pivot Set Screw to set the Pivot so the Bucket Wheel Hub just touches the lower Yoke arm this ensures the shaft is not too high during Contact Chamber Cap installation Adjust Pivot later as needed Place Contact Chamber over Shaft DO NOT force Chamber onto Shaft and Yoke Twist it back and forth if needed to fit it into place Align marks on front of the Contact Chamber and Yoke or Binding Posts with the back of the Yoke and tighten set screw While slowly spinning Bucket Wheel thread Contact Chamber Cap slowly in place making sure it does not bind on the Shaft The Bucket Wheel stops spinning abruptly if the Shaft hits the Cap Adjust pivot if needed a Verify meter is properly oiled then invert it with the Pivot up b Release Keeper Screw for Pivot Adjustment Nut and unscrew the nut a few turns c Release Set Screw and push Pivot inw
5. unscrew Raising Nut by holding nut and spinning Bucket Wheel it bends the Shaft Remove Contact Chamber Cap NEVER remove Contact Chamber Cap with Raising Nut engaged it bends the Shaft Spin the Bucket Wheel If it wobbles determine if the Bucket Wheel Hub also wobbles If the upper portion of the Bucket Wheel Hub wobbles more than the lower portion the Shaft is bent Replace a bent Shaft A wobbling lower Bucket Wheel Hub indicates a worn Pivot Bearing Replace Bucket Wheel Hub if Pivot Bearing is worn If the Bucket Wheel wobbles but the Bucket Wheel Hub does not the frame is bent Replace any Bucket Wheel with a bent frame To replace the Bucket Wheel remove the Bucket Wheel Hub Nut to remove the Bucket Wheel The letter and number on the new Bucket Wheel frame such as S90 should face up Insert the hub alignment pin into the Bucket Wheel frame key slot This prevents Bucket Wheel slippage on the hub during use If the alignment pin is missing or damaged replace the Bucket Wheel Hub Individual Bucket Wheel cups can be repaired if not too badly bent Use a device with a hard curved edge to work the cup into its original shape Sometimes a handle of pliers wrapped in a soft rag works if proper tools are unavailable If the cup deformity is irreversible or if plating pops off the base metal replace the Bucket Wheel Loosen Contact Chamber set screw and remove Contact Chamber 3 Remove Pivot and Shaft To remove Shaft
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9. Rev 1 0 03 06 4 4 0 6 4 lt A gt lt b gt 1700 Joyce Ave Columbus OH 43219 PH 614 297 9877 www rickly com FAX 614 297 9878 E Mail sales rickly com USER MANUAL Precision Hydrological Tool for Water Current Measurement Rickly Hydrological 00 o1 4 357 lt s877 P lt i i gt lt i gt gt puosas sad H sO 8 10 0 8702 A NOILLVNDA 226 OVC ES6 L 6260 5820 06860 2670 S6 0 860 GHC O 2610 010 t200 S00 SEO O 69 i Z9 99 i s9 vg 1 9 i 9 i L9 09 69 89 Q9LGE 10 ELSZ LLOZ 0161 8OO L 8080 2090 20860 Oro 90 0 9 0 9GL O BOLO 9200 9E0 0 vege ZOL E O6G 20 9961 GEOL ECE8 O 9290 2290 6L O 9L O 9Z O 210 1910 GOL O 8200 2600 900 6eLl 90Z ZZ9 Z 681 9091 2201 6580 S90 6 9 0 zer O GZEO 2220 6120 S9 0 6600 2200 Lose OLEE 092 GO 8991 ZOLL 2880 9990 9960 L8ZO 9220 LZLO 9LLO 1900 8ED O 9Z6 99 908 9891 SZL L 1060 2290 9980 ESHO LVE O 980 6zczO ZLO 2110 800 1900 6 0 0 c6GBE 22 98 ESZ Z VIL 2160 6890 9290 L9 O ZvVEO O6ZO EEZ O 9210 60 800 2900 CEL ZVS E 96 E9EZ HLL
10. VSL L 660 ELZ O 9690 2 70 6SEO OOS OO Lezo 810 ZL O 8800 900 Loo 29 csc 129 090 6t SEB ZZZ L 860 6820 9190 220 LLEO 6810 210 1600 2900 99 608 GALE LSZ 2061 EZZ L OZO L 9920 6890 ELSO 98E O 280 650 9610 ZELO VEO O 6900 EVO O 9 219 696 OOS LOSZ 2861 EZEL 0901 9620 990 EESO 9 0 690 020 ZELO 8600 00 LS 9087 PEYE 8 2 C902 2261 COLL 8Z8BO 1690 VSGO 2170 8VEO 0820 LLZ O LOLO t200 2700 01056 662 088 998 0691 GEV 6 8980 020 2280 E9EO 1620 0220 SYL O 9010 2200 8YO O cETG 682 266 GEV L 1060 2920 090 ESO 620 VOE O 6220 9610 OLL O LSGEG 2889 8 090 966 CEG L 6 0 6920 9190 280 LLEO SEZO 8910 9 79 69 ELGE OGES 8991 2820 1890 ZY O 960 SLEO OVZO COLO SLL O t800 909 S 908 900 90 90H 90971 9960 9080 90 9870 8 0 GvZO 910 ALLO 9800 900 26 COL 8 GVOL 6860 9280 1990 2670 EEO 1650 6910 OZL O 800 988 C 90 99 9Z9 Z 9891 9 8 0 2290 6060 Lve O ZSZ
11. ard to eliminate all vertical play of hub assembly d Tighten Set Screw temporarily and advance Pivot Adjustment Nut until it touches the Yoke e Release Set Screw not too far because the pivot should not rotate and advance the Pivot Adjustment Nut 1 4 turn Then tighten the Keeper Screw f Push Pivot inward as far as possible and tighten Set Screw BINDING POST WIRE Remove Contact Chamber Cap and set both penta and single count Binding Post Wires for a strong even click Oil on a Binding Post Wire or a worn wire degrades contact too much for electronic counters OSW Hydraulics Laboratory recommends a single count Binding Post Wire contact of about a 30 degree rotational distance and a penta count Binding Post Wire contact of about a 180 to 270 degree rotational distance for good clean electronic signals 5
12. le in the Contact Chamber Clean out all corrosion Use a paper clip to clean corrosion from the Reed Switch hole To replace Reed Switch remove Binding Post from Contact Chamber Remove reed switch keeper spring and Reed Switch When inserting the new Reed Switch face its end with the solder ball sometimes a small disk toward the binding post For strongest signals orient Reed Switch so its flat portions face the meter shaft with the longer arm facing out from the shaft Insert keeper spring over the Reed Switch Replace binding post and tighten until snug BINDING POST WIRE Oil Shaft and Penta Gears Apply one drop of meter oil to the Bearing Lug the top of the Shaft and on each side of the Penta Gear Apply one or two drops of oil on the Shaft acme threads CAUTION Too much oil in the Contact Chamber may contaminate Binding Post Wires and make the meter unusable with electronic counters Replace Contact Chamber Cap MAGHEAD Oil shaft and replace Contact Chamber Spin test the meter Conduct all timed spin tests with the meter level the shaft vertical and in a location with NO air currents Setting the meter on its tail fins will NOT level the meter Minimum spin time is two minutes optimum is more than four minutes Using the Raising Nut lift Bucket Wheel assembly off the Pivot DO NOT spin Bucket Wheel to engage the Raising Nut it bends the Shaft STORAGE Prior to storage disassemble inspect and clean the me
13. lly covers the wrench end so it scratches neither the Pivot Bearing or its carrier Clean Contact Chamber If the Contact Chamber contains no sediment and not much old oil clean it with a lint free swab or paper towel covered rod Sediment or excessive oil in the Contact Chamber may demand a spray cleaning fluid like WD40 which cleans moderately well Allow all parts to fully dry before reassembly BINDING POST WIRE ONLY Pay particular attention to the bearing surface of the Bearing Lug and the Penta Gear edges Sediment or excessive oil in the Contact Chamber may demand Penta Gear removal and cleaning both it and the chamber with a spray cleaner like WD40 Avoid Penta Gear removal if possible but if necessary remove Binding Post Wires and note Penta Gear position Penta Gear re installation requires some trial and error adjustment to insure no binding between it and the Shaft Allow all parts to fully dry before reassembly Check Yoke with Yoke Alignment Tool HIF stock number 1101058 The tool should slide easily all the way into the yoke DO NOT force tool into yoke DO NOT use the tool to straighten the yoke To straighten the yoke use a rubber hammer to gently re align the yoke arms Forcing the yoke to move too far weakens it and may crack it 10 11 12 13 14 15 16 17 If Pivot Bearing needs replacement replace the Bucket Wheel Hub which contains the bearing Unscrew the Bucket Wheel Hub Nut to remove
14. sary Before a Field Trip 1 Remove Pivot and Contact Chamber Cap to clean and lightly oil upper and lower bearing surfaces with Current Meter Oil Do not use any other type of oil it may become gummy when exposed to water or make the meter difficult to clean 2 Examine bearing surfaces for wear or damage especially Pivot Point The pivot should feel sharp not rounded or dull and with no burr detect able visually or tactilly Use a magnifying glass for visual inspection 3 BINDING POST WIRE Replace Pivot if needed and check Binding Post Wire adjustment Binding Post Wires should touch lightly to minimize drag yet produce a distinct signal Replace Binding Post Wires with beaded contacts with those without beads Check Penta Gear for binding or misalignment MAGHEAD Replace Pivot if needed and check magnet strength Replace Shaft if magnet is weak Check Reed Switch located under the binding post for burn marks on its flat plates caused by too much electrical current passing through the switch Replace if burn marks are 2 RECORD KEEPING Since 1989 investigators maintaincurrent meter logs to record spin test data and repairs Consistent with modern quality assurance requirements current meter logs should include two additional pieces of information the date of disassembly cleaning and inspection including any significant observations or actions and the designation stamped on the bucket wheel This designa tion is impor
15. tant because some bucket wheels have different performance characteristics than others Since about 1967 the Bucket Wheel designa tion consists of the format S xx S indicates that the bucket wheel is for a standard rating table is the last two digits of the year in which the contract was let for procurement of the bucket wheel or the meter with which itwas assembled This designation appears under the hub nut on pygmy current meters and cannot be seen unless the meter is disassembled If a Bucket Wheel has a letter other than S or no letter designation consult the OSW to determine if it may be used with a standard rating table Enclosed with this manual is a suggested format for the current meter log to include the new information requirements A district may use this form or a version modified to meet local needs or the old form provided the essential information is recorded The new meter log information provides better current meter traceability 18 19 20 MAGHEAD If there is a poor or no signal from the meter a Test shaft magnet strength good magnet holds a paper clip firmly Replace shaft if the paper clip is held weakly or not at all b Check Reed Switch located under the binding post for burn marks on its flat plates caused by too much electrical current passing through the switch Replace it if burn marks are evident Look for corrosion on the Reed Switch wire ends in its ho
16. ter as described previously If stored less than one year the meter may be used without further maintenance if inspection and a spin test indicate proper operation Meters stored longer than one year or an indeterminate period require cleaning and adjustment as described previously before use evident Look for corrosion on the Reed Switch wire ends and in its hole in the Contact Chamber Clean out all corrosion Use a paper clip to clean corrosion from the Reed Switch hole Clean and replace Reed Switch if corrosion is extensive Replace Contact Chamber Cap and spin the meter to verify proper operation The spin need not be timed Check for rotation difficulty wobble or an abrupt stop If these or some other malfunction or damage is noted adjust or repair the meter to ensure proper operation before using it Before each discharge measurement inspect the meter for damage fouling and water on bearing surfaces Look for milky emulsification of oil and water on the lower bearing and pivot and droplets of water in the Contact Chamber If water is on the bearing surfaces dry and re oil them Water on these surfaces affects lubricant viscosity and signifi cantly changes meter performance The lower bearing is more vulnerable to water intrusion After a Field Trip After a day s use completely disassemble inspect and clean the meter Repair if needed Follow the procedure below 1 Unscrew Raising Nut by unscrewing nut NEVER
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