v - Ansaldo STS
Contents
1. gt ARSE 0 4 2002 2203 P 004520022205 WEIGH RAIL MOUNTED ON CONCRETE BASE US z J uoeseoge 220 WEIGH RAIL MOUNTED ON CONCRETE BASE USING 200 pe 6 AN 00 0 N DESCRIPTION Zs ae fom BETWEEN GHOCK PAD s i 332 SPAGER BLOCKS SECTION AA es 25 1 4 FIMET WELO BOTH ENDS gt GEN DWG OF MODEL 66 e EIN cate 12 1 1 CAR RETARDER RE HEE 452 002 WIT BRAXT malo UNION SWITCH amp SIGNAL DIVISION AMERICAN STANDARD INC SWISSVALE PA 15218 Atlanta 2409 Treelodge Parkway Atlanta GA 30338 404 399 3577 Chicago 216 Lancaster Lane Bolingbrook IL 60439 312 759 3577 Huntington WV 6122 Gideon Road Huntington WV 25705 304 736 2629 Jacksonville P O Box 8609 Jacksonville FL 32211 904 724 2607 Sales Offices Montreal 1115 Dorchester Blvd Suite 1003 Montreal PQ Canada H3B2J2 514 866 3677 New York 40 W 40th St Rm 1105 New York NY 10018 212 840 5438 Omaha 16326 Oak Circle Omaha NE 68130 402 334 1516 Philadelphia Honeywell Center 111 Presidential Blvd Suite 206 Bala Cynwyd PA 19004 215 667 7072 Pittsburgh 1789 Braddock Avenue Pittsburgh PA 15218 412 273 4300 Roanoke 4718 Hickory Hill Drive Salem VA 24153 703 989 8400 San Francisco 903 Sneath Lane Suite 22. LEL MIR E 0 sss eevee Sp Ps a LINE Si DEI EE TM ELENA Zee ARE eae IT ERRORS E lS ES NS EE SNSENEEEENSEESESNEBEZHEENELESEENEERENSEKSEE ERNEBREEEEEBRENERSEEBBHEEEHUENEBSEREENEEBL ENEEE s EERE C p Sheet hee eae eS EERSTE REE 180 160 140 2 0 8 6 040 020 000 S3HONI S NILLIS dV5 LOVLNOD 60 80 100 120 GROSS CAR WEIGHT TONS 40 20 Contact Setting for Various Car Weights Figure 3 8 5793 p D UNION SWITCH amp SIGNAL b Medium Weight M 35 to 55 Car Loads Connect analyzer between the white and black medium weiaht wire leads in the junction box Insert 043 shim qaqe between the M adjustment screw and the long contact spring Turn the M adjustment screw to just make the circuit Heavy Weight H 55 to 90 Ton Car Loads Connect analyzer between the white and red heavy weicht wire leads in the junction box Insert 068 shim qaqe between the adjustment screw and the long contact spring Turn the H adjustment screw to just make the circuit Extra Heavy Weight XH 90 Ton and Up Car Loads Connect analyzer between the white and blue extra heavy weight wire leads in the junction box Insert 110 shim gage between the XH adjus
3. ECRIRE THE FOLLOW E 376133 ARE FOR REFERENCE ONLY BOLT FOUNDATION STL PLATE CAD PL TL HEX CAO PL x e PLATE TIE I X 5 X GFT 5 4 FURNISH THE FOLLOWING ITEMS FOR EACH RETARDER YARD INSTALLATION UN326557 155 NOTE PARTS SHOWN IN FULL LINES FURNISHEO U S amp S NOTE B GUARO RAIL TO BE CENTERED OPPOSITE CENTER LINE OF WEIGHING DEVICE STRAIGHT PORTION PREFERRED AS LONG AS WEIGH RAIL 7 FT 4 BUT IN ANY CASE LESS THAN 66 INCHES gro NOTE C TO BE WIDENED 1 4 TO 1 2 INCH IN 1GHING GUARD RAILS WILL DEVICE SO E PREVENTING WHEEL FLANGE LATERAL NOTE O SPACER BLOCKS SHOULD BE WELDEO TO TIE PLATES BEFORE INSTALLING WEIGH RAIL SEE SECTION NOTE E BOTTOM OF JUNCTION BOX FLUSH WITH TOP OF TIE NOTE F THE INNER EDGE OF THE TIE PLATES SHOULD BE LOCATED B INCHES FROM amp OF THE WEIGH RAIL TO CONFORM WITH WEIGH RAIL CALIBRATION NOTE G 6 8 8 1 ASSEMBLY 1 INSTALL RAIL amp RAMP IN TRACK AS SHOWN SPOT HEAVY i MN Re NUS aria BO M to 7 dao t of Weighing enm 5 Concrete pest lars FOR ONLY PLACE ON POST p gt 4 Hotes Ramp ITEM 3 ADJUSTMENT 15 ONLY 8 To Suir 1 5 CONNECT BUZZER AND BATTERY TO THE WHITE AND BE CHANGED TO AGREE WITH LOCAL 6
4. September 1975 B 10 84 100 1138 2 PRINTED IN USA anata SEREN ON SERVICE MANUAL 5793 WEIGH RAIL TYPE IV UNION SWITCH amp SIGNAL DIVISION AMERICAN STANDARD INC SWISSVALE PA 15218 up E NUI URE RRS VARIAR NOR ROG ORES ERE O Russe NUR VAGA id v RASH AMAA RRS aH AUN RMN SER EA SERVICE MANUAL 5793 WEIGH RAIL TYPE IV September 1975 TUNE UNION SWITCH amp SIGNAL DIVISION AMERICAN STANDARD INC SWISSVALE PA 15218 PRINTED IN USA UNION SWITCH amp SIGNAL SECTION I II III IV VI VII TABLE CONTENTS DESCRIPTION AND OPERATION 1 1 GENERAL DESCRIPTION 1 1 1 Main Rail Section UM377531 1 1 2 Deflection Multiplication System 1 1 3 Side Plates UR451060 1201 and UM349734 1 2 OPERATION 1 1 1 Operation Sequence 1 2 2 Contacts INSTALLATION 2 1 GENERAL INSTRUCTIONS ADJUSTMENT 3 1 CONTACTS 3 1 1 Standard Contact Settinas 3 1 2 Five Weight Catagories 3 1 3 Master Adjustment Screw 3 1 4 External Parts LUBRICATION 4 1 WEIGHT RAIL DISASSEMBLY 4 2 WEIGHT RAIL LUBRICATION 4 3 WEIGHT RAIL ASSEMBLY LUBRICATION SPECIFICATIONS 5 1 SPECIFICATION NO M 7680 2 0741593 5 2 SPECIFICATION UA41229 5 3 SPECIFICATION M 7611 01 UA41099 5 4 SPEC
5. pumping Side plate bolts should be tight 6 2 CONTACTS 1 Contacts should be cleaned and settings checked at least every sixty days 6 3 HEATER 1 The heater should be turned on at temperatures of 409r or lower During freezing weather conditions the heater should be operated continuously 2 The application of external heat such a torch to the weigh rail or controller box is not recommended Application of external heat hastens the loss of lubricant and in extreme cases can damage internal wiring 5793 p 14 UNION SWITCH amp SIGNAL gt APPENDICES 3793 p 15 emend ERI SERVICE TA res c cse En vot io a 2 wensw U8432332 Bees ea wm 1 24 aces oo wn wee 9349694 8 24 6 7 UN452552 21 jumsea7ez 432333 21 26 ARE FOR CONVERTING ROM IGHT A fis WOTE INSPECT 4 TEST PER SPEC EUSOOS NOTE A PAINT PP 7720 1 ASSEMBLY PAINT PP T768 2 BLACK EXCEPT PLATED PARTS BEFORE ASSEMBLY COAT BACK OF FRONT amp BACK PLATES ITEMS 2 AND 3 WITH HEAVY COATING ITEM 30 OR ITEM NOTE C AFTER CONTR 15 ASSBIBLED TO FRONT PLATE AND BEFORE ASSEMBLING FRONT PLATE TO RAIL APPLY A FEW DROPS OF SPECIAL INSTRUMENT
6. 28 ueria ORIN 17 1 0 x 139 tC CCC mmm SH CLIT BE E 125 3 a0 CoN DC NNO LAE 2 510 CORD 6 VICTOR WAXED MANILLA 7 4 HEEL TIPS E BETE WEE IS iia IM ATI View Snowing BAR DRILLING HH E A E GREEN LEAD TAG I 7 4 RED LEAD TAG BACK LEAD TAG Eust LEAD TAG t M roc icc b AND dr 3 hir goi Pet s er i 2 e MAMAN D 32 2 SECTION LOOKING INTO CCHTROL BOX WITH COVFR REMOVED WHITE LEAD TAG Bi SEE NOTE D Zee AS i Mer r9 L B WITH HENTER and 2 e n p inim _______ 51059 0208 _ 4 WEIGH Seer ion ern 24 V RunTER Jon B _______ un451059 0207 TYPE 4 WEIGH RAIL SECTION 51059 0206 _ _ MATERIAL KIT FRONT PLATE 1AV HTR B _____ UN451059 0205 FRONT PLATE ASSEMBLY WITH CONTROLLER 14V HEATER ETC y U0451059 0204 RONT P 44510590203 FRONT PLATE ASSEMBLY WITh CONTROLLER 24V HEATER ETC
7. weight of the car wheel and indicate this by operatina the proper contact The lever mechanism is attached to the side plate and protected by the controller box The side plate is dowel fitted to the stationary lower part of the rail end of the primarv lever is always in contact and thus moves with the vertical deflection of the rail head The opposite end of the primary lever positions the secondary lever through the master adjusting screw Four individual adjusting screws figure 2 are set in the opposite end of the secondary lever These screws operate four contacts which are provided for light medium heavy and extra heavy weight cars As one faces the open controller box reading from left to right are the extra heavy contact the light contact the medium contact and finally the heavy contact 1 1 3 Side Plates UR451060 1201 and UM349734 The slot cut through the center of the rail is covered by side plates which are bolted directly to the rail section 5793 ps t 4 D UNION SWITCH amp SIGNAL The side plates protect the slot and internal lever mechanism from dirt and other foreign elements O rings are installed between the side plates and rail section to further increase protection of the internal mechanism The controller box houses the controller mechanism a terminal block and a heater The heater prevents frost from interfering with the contact movement toggle switch in the j
8. BUZZER AND BATTERY TO THE WHITE AND RED WIRES IN JUNCTION BOX m INSERT OGO GAGE gm BETWEEN THE H ADJUSTMENT SCR W AN THE LONG 5210 110 TON CONTACT SPRING TURN THE ADJUSTMENT CAR LOADS REW TO JUST MAKE THE CIRCUIT CONNECT BUZZER AND BATTERY TO THE WHITE AND BLUE WIRES IN JUNCTION BOX INSERT 135 GAGE GHIM BETWEEN THE XH ADJUSTMENT SCREW THE LONG TON AND UP lt CONTACT SPRING TURN THE ADJUS CAR LOADS SCREW TO JUST MAKE THE CIRCUIT CAUTION CONCRETE FOUNDATION THE MASTER ADJUSTMENT SCREW AS SHOWN IN SECTION 1 AT THE FACTORY CHANGED UNDER L ANY DIFFICULTY IN OBTAINING T THE INDIVIDUAL ADJUSTMENT SCR iur WEAR OF C MODERATE C SETTING WILL R TO THE IR ORIGINAL POSITIONS 704 For REF Horas 2 ist TAS SS Mn 3510 52 TON CAR LOADS GAGE LINE SEE CAUTION NOTE oU WASTER ADJUSTING SCREW FACTORY ADJUSTED d 8 Af CONTACT SPRINGS For Adjustment of Rail for Use in Five Weight Categories Refer to Paragraph 3 1 2 Li Lo 1 am r 10 B LJ cL fU iri Lind ri mms c I ER XM M H EC pd Fi ELD ADJUSTMENTS F Y 71 DIAGRAM 5 35
9. T zip 04 0203 0202 PART DESCRIPTION the 1 1 T 2 1200 F PLATE FRONT 349 ap E 1 1 13 349134 80013 IQ PLATE BACK TI wan 65000 20 LEVER BRACKET 1 1 Q3 ine ia L Tee y LLL LLL LL LIL EE 0 BLO i TLE 0 15519 0018 al 5 A IT LL LT 39 fusrssio 003 75 TAG 1 TILL U 79510 0032 _ 8988 15 tag 8 1 C 587 Tis DIEI Er uant F 1 sar 21212 2 16 44966 10301 50 RIVET DO eo 2 02 0418 441087 CRYSTALS V P l SPEC 2 212 T2 F0 LE SR X 32b FIL SIL MACH T CLIN FIELD OF ix Pie T aseo X iz Z Uf Dritted Holes acm cR I EI PARU NABER DESCRIPTION Spe iho hh LI EI ores Holas unqu CALLED For TT T 4 WASHER 10 LOCK SIL X STU UJARI WASHER 1 72 LOCK STL X NY GAD P C 27 6 6 3 7 dd STLCA CR 2 2 125 UM650 172 X 3 IIs usni ER IZE LOCR SLT IER EERAI NU MERI W x 113 0 0 139 SEC _ 212 a 0 Mi W edw zo0 5 ANIDO POUND 2 2
10. uwsipss Qece TYPE 4 WEIGH RAIL SECTION WITH 14 HEATER wuwsto59 0eo 4 WEIGH RAIL SECTION WITH 24 V HEATER vi PART MUMBER DESCRIPTION Um OM UNENSONS UNLESS NOTED mct met Dwa or Moe 66 CAR RETARDER E i i JC TION DO PC NO WEIGH RAIL 1 ANCTION 2 FE roc c i 2 4 SH os xaS200e c60i e5i059 0201 0e ae vott wiruta 8390207 6 Jursases o ue 0 2 1069 0202 ae VOLT rra GRRE 6 _ o n x secoz ocos owastoss ozoB oz 2 Sex a umsenzoT uR435T22 X45200 604 NaSioss 0Nu8 2 see nore 5 wasoze7 Riese 3 2221278252 0207 1 NO 44 For 62 Dia Hole Hoas Z 56135 TAB CALLED Fot m TRU IDEM TURN THE ADJUS M Im CAR LOADS JUST MAKE THE CIRCUIT D UNION SWITCH amp SIGNAL ITEM RANT onc oem i 1 SEE TAB 066316 6 BOX JUNCTION DUAS FOR WEIGH al Greer lreoi3 S Rap a a 626482 65000 5 BLOCK SPACER __ 355 s 4 4326483 50 S BLOCK SPACER i wexsscer pese e ane plc pol BEL
11. 30 San Bruno CA 94066 415 588 6788 588 6789 St Louis 500 Northwest Plaza Box 1267 St Ann MO 63074 814 291 7400 St Paul 402 McColl Building 5th and Jackson St Paul MN 55101 612 222 7562 Mail all orders to Order Entry Department Union Switch amp Signal Division American Standard Inc Swissvale PA 15218
12. FeR REF 1 IN THE FIELD AND GREEN WIRES IN JUNCTION BOX ROAD PED CONDITIONS c a INSERT 015 GAGE SHIM BETWEEN THE 6 2 Note Hoes Z 75 DRILLED EACH END OF ae gt ADJUSTMENT SE fs i THE T 3 WEIGH RAW By CUSTOMER To Sut ONTACT SERING AS SHORN ON DIAGRAM Xa Dew In Towr Bar SuPPGOGED SHOU R LOADS WITH THE ADJUSTMENT SCREW HEAD TURN By CUSTOMER THE SCREW JUST MAKE THE CIRCUIT WITH THE ABOVE SHIM INSERTED ONNECT BUZZER AND BATTERY TO THE WHITE AMD BLACK WIRES IN JUNCTION BOX INSERT 040 GAGE BETWEEN THE M TMENT SCREW TH LOMG CONTACT SPRING ADJUSTMENT SCREN TO CONNECT BUZZER AND BATTERY TO THE WHITE AND puer z J 1 E 4 4 i LJ L RED WIRES IN JUNCTION BO spa Za ede NEN M DE E N 1ES BALLAST _ in B2 10 110 TONSSPRING TURN THE ADJUSTMENT SCREN TO Ed E PAIR gave san z INSERT 135 GAGE gun BETWEEN THE 2 SEE CAUTION NOTE EAD AUS SCR THE LONG MASTER ADJUSTING SCREW 140 UPICONTACT SPRING TURN THE ADJUSTMENT m 5 7 FACTORY AD R SIED t ED 2 x CAR LOADS SCREW TO JUST MAKE THE CIRCUIT q al CAUTION GY 7 M SS THE MASTER ADJUSTMENT SCREW AS SHOWN IN SECTION x AA IS SEL AL THE TH
13. IFICATION NO M 7450 01 UA41097 GENERAL MAINTENANCE INSTRUCTIONS 6 1 WEIGHT RAIL 6 2 CONTACTS 6 3 HEATER APPENDICES ii PAGE N N NF NO VO J Oy GY OY Q UNION SWITCH amp SIGNAL SECTION DESCRIPTION AND OPERATION 1 1 GENERAL DESCRIPTION The weigh rail is a special rail section used in automated classification yards to determine the weight of cars about to be processed This weight information is used to set the ceiling pressures in a retarder during automatic operation The specially designed weigh rail is seven feet four inches long and has a horizontal milled slot at its midpoint The milled slot contains a lever mechanism sensitive to the weight exerted by passing car wheels The main components of the weigh rail are as follows Refer to Dwg F451059 Sh 2 listed in the appendices of this manual 1 1 1 Main Rail Section UM377531 The weigh rail is rectangular in cross section and will bolt directly to 140 pound RE rail The weigh rail can be fitted to any size standard rail sections by means of compromise joints The steel used in the rail section is a special heat treated alloy which will perform satisfactorily under severe service 1 1 2 Deflection Multiplication System The multiplication mechanism consists of two levers a support bracket and four contact actuating screws see Figure 1 Its purpose is to multiply rail deflection caused by the
14. IS SETTING s Whee BE ANY DIFFICULTY IN OBTAINING THE DESIRED SETTINGS OF THE INDIVIDUAL ADJUSTMENT SCREWS DUE TO EXTREME WEAR OF COMPOMENT PARTS RAIL SET Pia te CM AN HE kutwa E q x AGAS TMENT SCREWS TO THEIR ORIGINAL S NS 92 74 L CONTACT SPRINGS L LJ 0 M as T S Z ITL TL TI For Adjustment of Rail CASS cJ m for Use in Five Weight ENS NN Categories Refer to WY w u n Paragraph 3 1 2 FUN FIELD ADJUSTMENT i HIN DIAGRAM X N ge p 22 as co x e 1 4 WELD BOTH ENDS SECTION A A BEFORE INSTALLING SCALE 4 12 IN l WEIGH RAIL SEE NOTE D js 555512 dE nM Tif 2 vii 211 137 EE RAMP WITH 452002 0604 WEIGH RAIL MOUNTED ON CONCRETE FOUNDATION USING 24V HEATER WECH Rin DRAUED ERINTI H Tv x X c UX452002 0603 on Conc RETE 25 06 ZAV NEATE woan tan ____ 0452002 0602 WEIGH RAIL MOUNTED ON CONCRETE FOUNDATION USING 14 V HEATER ma _____ 0452002 0601 EIGH RAIL MOUNTED ON CONCRETE FOUNDATION USING 24 V HEATER ER a DESCRIPTION 1 tad aap cp venies asc yae DIMENSIONS Ih INCHE
15. QIL UA41095 AT BEARINGS X amp Y 0 W TH M6 VICTOR WAXED MANILA CORO 1461005 AT PLACES INDICATED ASSEMBLING COAT O RINGS ITEM 28 OR ITEM A HATH LIBERAL OF O RING GREASE M 7660 2 4 1593 OF ITEM WOTE F VAPOR BAS 22 IS TO FILLED WITH VAPOR INHIBITOR CRYSTALS ITEM 18 1041067 TIED CLOSED AND INSERTED INTO SPACE INDICATED BY ARROW NOTE G SH PER ar MASTER EW amp WEIGHT ADJUSTMENT SCREWS TO 8 PET C POSITIONS B NOTE For Adjustment of Rail for Use in Five Weight Categories Refer to Paragraph 3 1 2 SEE MOTE E SAR en 31068 MASTER ADJUST MENT SCREW wore G a 22 see note WEIGHT ROD Scans SEE Nort G NOTE 9 23 lt 2 me ar m ish SN 7777 7772 7777 f T 29 z 77 4 BEARING X SIDES SEE 1 T M A t 136127 925 d dois m 7 See ee ae ee gt F T ies mE a T s SEE NOTE G E TT D nob Tm om OR NSN 5 esses T SSS LA WA ALAS H Q UNION SWITCH amp SIGNAL D TO Amn 1 TN m 822 See wort F OS Miei ele
16. S UNLESS NOTED em wane _ ea 2482 PS ORIOL nec t s m Gen or Meor 6G Car RETARDER a o UNION SWITCH amp SIGNAL t vetri AIN BRAKE COMPANY F 4 52002 EA O WASTINGNOUET ROARC Swill 6 SICAL DUOC 19 PENNSTLVARA App KOVAL Pars 6s T UNION SWITCH amp SIGNAL x b REMARKS vc NO WEIGH PALL 1 ANCTION BOX 2 Rame G ee COM a a asus aa orrn Cas C NN FRIES iuossone 22ge 1059 0202 ge ts voir Cas a9250 6 3 ju UX452002 2203 4 51058 0108 o 24 Vorr Sae Mora 9 7 Fi amp sr MADE Fon P Ry Co Lancaster Yo Eu pp ted Mf D OR FIELD APPLICATION OF JES FOR CONVERTING S FROM THREE WEIGHT TO 1 SEE 06 ON ORG z FOR MATERIAL KITS PLATE ASSEMBL EXISTING WEIGH RAIL E Doe F451059 SH 02 i FURNISH THE FOLLOWING ITEMS FOR EACH RETARDER YARD INSTALLATION Lor 1 uj2 ssz__ 42586 WRENCH NOTE PARTS SHORN IN FULL LINES FURNISHED U S amp S NOTE 8 GUARD RAIL TO BE CENTERED OPFOSITE CENTER LINE OF WEIGHING OEVICE STRAIGHT PORTION PREFERRED AS LONG A
17. S WEIGH RAIL 7 FT 4 BUT IN ANY CASE NOT LESS THAN 66 INCHES TRACK GAGE TO BE WIDENED 1 4 TO 1 2 INCH IN VICINITY OF WEIGHING DEVICE SO GUARD RAILS WILL BE EFFECTIVE PREVENTING WHEEL FLANGE LATERAL PRESSURE ON WEIGH RAIL NOTE O SPACER BLOCKS SHOULD BE WELDED TIE PLATES BEFORE INSTALLING WEIGH RAIL SEE SECTION NOTE E BOTTOM OF JUNCTION BOX FLUSH WITH TOP OF TIE NOTE F THE INNER EDGE OF THE TIF PLATE E LO D o TRIN OF LOCATE 8 INCHES FROM OF THE WEIGH RAIL WITH WEIGH RAIL CALIBRATION 3740 WIDEN TRACK GAGE SEE NOTE NUI SZ o ee DIM NOTE C iL NorE G 1 po eer E 7 f Cencre Founda m Holes in Ramp ITEM 3 ADJUSTMENT LocaTto To Suir Couprrions CONNECT BUZZER AND BATTERY TO THE WHITE AND GREEN In THE FIELD AIRES IN JUNCTION BOX Nore G Hoes Z To BE DAULED EACH END SAGE SHIM BEEN THE WEIGA By CUSTOMER To Suit ON DI D amp iLco 6 in Jomr Eng Suepuigp Wy f of Weighing Device 14 TD 35 TON CAR LOADS TMENT SCREW HEAD SCREW TO JUST MAKE THE CIRCUIT WITH THE ABOVE SHIM INSERTED CONNECT BUZZER AND BATTERY TO THE WHITE AND BLACK WIRES IN JUNCTION BOX INSERT GAGE SHIM BETWEEN THE PM ADJUSTMENT SCREW AND THE LONG CONTACT SPRING TURN THE ROSAS MENT SCREW TO JUST MAKE THE CONNECT
18. e adjustment screw to just make the circuit Extra Heavy Weight XH 110 and Up Car Loads Connect analyzer between the white and blue extra heavy weight wire leads in the junction box Insert 135 shim gage between the XH adjustment screw and the long contact spring Turn the XH adjustment screw to just make the circuit 3 1 2 Five Weight Cataqories The Type IV Weigh Rail when shipped from the factory is preadjusted for the standard four weight setup In those installations using a five weight system the following procedure is to be followed The Automatic Light indicator 0 24 tons is derived from track occupancy The weigh rail provides the four remaining weight indications The settings are different than for the standard four weight system Shown in Ficure 3 is a araph illustrating the relationship between the contact gap settina versus the gross car weight Light Weight L 24 to 35 Ton Car Loads Connect analyzer between the white common and green liaht weight wire leads in the junction box Insert 029 shim gage between the L adjustment screw and the long contact spring see figure 2 Place the shim flush against the adjustment screw head With the shim inserted correctly turn the L adjustment screw until the circuit is just completed 5793 p 7 UNION SWITCH amp SIGNAL gt E SEP A b NSPS EXE ql SS Lp E
19. e range of from 30 F to 1500F It is oxidation resistant has low volatility and does not creep or spread 5793 p 12 a D UNION SWITCH amp SIGNAL v b Properties The oil shall have the following typical characteristics Gravity A P I 21 6 Viscosity Centistokes at 320F 270 at 100 F 28 Viscosity SUV at 100 F 132 seconds Flash OF 5 405 Pour Point 40 Color ASTM Union 1 0 Neutralization Value ASTM D974 Total Acid No 01 2 This oil can be obtained either from U S amp S by ordering the above commodity number or from Manufacturer Gulf Oil Corporation Gulf Bldq Pittsburgh Pa Trade Name Gulf Special Instrument Oil 3 This oil is not stocked in Canada and must be obtained as indicated above 5 4 SPECIFICATION NO M 7450 01 UA41097 VPI CRYSTALS qm 1 These crystals may be obtained from 0 5 amp 5 by ordering e the above commodity number or from Manufacturer Shell Oil Company Trade Name VPI Crystals No 260 2 satisfactory source of supply for these crystals in Canada is Manufacturer Shell Oil Companv Toronto Canada Trade Name VPI Crystals No 260 5793 p 13 UNION SWITCH amp SIGNAL SECTTON VI GENERAL MAINTENANCE INSTRUCTIONS 6 1 WEIGH RAIL 1 The rail mounting in track should be checked periodically The center gap of 16 inches must be maintained The weigh rail should be held tightly to the ties and foundation so that there is no
20. ending upon amount of service The weich rail need not be removed from the track for lubrication To prevent damage to components exercise care in following the disassembly procedure outlined below 4 1 WEIGH RAIL DISASSEMBLY REFER TO DWG F451059 SH 02 l Place the heater switch at the junction box to the OFF position 2 Remove the ramp item 3 Dwg F452002 SH 06 or Sh 22 3 Clean both sides of the rail section above and around the side plates removing all dirt grease and corrosion Clean the side plates the top of the rail etc to prevent foreign matter from enterina the mechanism during disassembly 4 Remove the controller box cover item 4 Dwg F451059 Sh 2 5 Measure and record contact gaps L M and XH The contact settings will be checked and may be duplicated if necessary before the rail is returned to service 6 Replace the controller box cover 7 Remove the bolts and washers items 21 and 24 holdina the back plate item 3 to the rail section 8 Remove the back plate 9 Remove the muslin bag item 22 containing VPI crystals from the slot If necessary refill with two ounces of crystals Specification M 7450 1 See specification tabulation in Lubricant Specification Section 10 Remove the bolts and washers item 21 and 24 holding front plate item 2 to the rail section 4 2 WEIGH RAIL LUBRICATION 1 The following materials are required for proper lubrication of the
21. he weigh rail must be placed on top quality ties 3 The center of the weigh rail must be accurately placed over the center of a sixteen inch space between the middle tie plates 4 The track gage should be widened about one quarter to one half inch in the vicinity of the weigh rail and a guard rail straight section not less than six feet in length should be installed inside the opposite rail 5 The weigh rail must be located in a straight section of track preferably at least twenty five feet from a track curvature 6 The weigh rail must be located on an even grade Best performance results when vertical curves are absent for a distance of twenty five feet from either end of the weigh rail 7 The weigh rail must be level with adjoining rails 8 Joining rails should be equipped with anti creepers to prevent unnecessary end load on the weigh rail 5793 p 5 D UNION SWITCH amp SIGNAL 5793 SECTION ITI ADJUSTMENT 3 1 CONTACTS The method of setting contacts by use of a shim qaqe is illustrated in figure 2 The shim is inserted between the base of the adjusting screw and top of the upper curved contact spring INOIVIDUAL ADJUSTMENT SCREW ALUMINUM CASTING NYLON SPRINGS Figure 2 Method of Setting Contacts NOTE Never insert the shim between contacts Contacts should never be adjusted when a car wheel is positioned on the weigh rail In additi
22. on to the standard contact settinq instructions listed below each individual application drawinq includes a detailed adjustment procedure Shim gage utilized in settinq contacts should be similar to Lufkin Thickness Gage 126T A small one quarter inch open end wrench should be used for individual screw adjustment 3 1 1 Standard Contact Settinas TO determine circuit continuity in the followina adjustments an analyzer such as an ohmmeter buzzer or light and batterv should be used Light Weight L 14 to 35 Ton Car Loads Connect analyzer between the white common and green light weight wire leads in the junction box Insert 015 shim gage between the L adjustment screw and the long contact spring see figure 2 p 6 Q UNION SWITCH amp SIGNAL Place the shim flush against the adjustment screw head With the shim inserted correctly turn the L adjustment screw until the circuit is just completed Medium Weight M 35 to 52 Ton Car Loads Connect analyzer between the white and black medium weiaht wire leads in the junction box Insert 040 shim aage between the M adjustment screw and the long contact Turn the M adjustment screw to just make the circuit Heavy Weight H 52 to 110 Ton Car Loads Connect analyzer between the white and red heavy weight wire leads in the junction box Insert 060 shim gage between the H adjustment screw and the long contact spring Turn th
23. tment screw and the long contact sprina Turn the XH adjustment screw to just make the circuit 3 1 3 Master Adjustment Screw Under normal conditions the master adjustment screw see Dwg F451059 Sh 02 which is set at the factory need not be adjusted Should there be any difficulty in obtaining desired settings of the individual adjustment screws due to extreme wear of component parts rail set etc a moderate chanae in the master adjustment screw setting will return the individual adjustment screws to their original settings Any alteration of the master adjustment screw setting will effect all four individual screw settings A clockwise rotation of the master adjustment screw will cause a narrowina closing of individual screw contacts while a counter clockwise rotation will cause a widening opening of individual contacts A small 7 16 open end wrench should be used for master screw adjustments 3 1 4 External Parts Weigh rail side plate bolts should be checked periodically refer to Dwg F451059 Sh 02 These bolts should be tiqht to prevent entrance of foreign matter into the operating mechanism The controller box cover should be held tightly in place insuring compression of the internal gasket 5793 p 9 D b UNION SWITCH amp SIGNAL SECTION TV LUBRICATION Periodic lubrication of the weigh rail is essential to proper operation The weigh rail should be lubricated at least once a year dep
24. tra heavy The individual adjustment screws and electrical contacts are adjusted so that a lidht weight car will close only the light contact medium weight car will close both the light and medium contacts car in the heavy weiqht class will close the light medium and heavy contacts 5793 p 2 WHEEL ORIGINAL POSITION DEFLECTED POSITION RAIL SECTION UNION SWITCH amp SIGNAL Y CAR WHEEL MASTER ADJUSTMENT SCREW BEARING X SECONDARY SPRING BRACKET EXTERNAL CIRCUIT SECTION A A Figure 1 Weigh Rail Schematic Operation DEFLECTED SHAPE INDIVIDUAL ADJUSTMENT SCREW NYLON INSULATION CONTACTS 5793 B 3 Q UNION SWITCH amp SIGNAL And finally an extra heavy car will close all four contacts The spring installed between the secondary lever and the mounting bracket prevents lost motion in the lever system and insures the primary lever is always in contact with the upper surface of the slot 5793 p 4 UNION SWITCH amp SIGNAL SECTION INSTALLATION The list of general instructions below should be followed in the installation of a weigh rail The detailed instructions for installing a weigh rail have been illustrated in Dwa F452002 Sh 06 or Sh 22 2 1 GENERAL INSTRUCTIONS 1 The weigh rail must be located a concrete foundation or a well tamped road bed The concrete base is preferred 2 T
25. unction box adjacent to the weigh rail provides on off control of the heater The weigh rail is shipped from the factory with all internal wiring connections completed The external wiring connections between the controller box and junction box are made at the time of installation with control cable UN451060 1901 which is shipped with the equipment 1 2 OPERATION As shown in figure 1 the weigh rail has a horizontal milled slot at its midpoint As a car wheel passes over the rail section the rail portion above the slot deflects in relation to the lower rail section Maximum deflection occurs when the wheel is at the center of the slot where the lever mechanism is located The deflection of the rail section above the slot is directly proportional to the weight of the passing car 1 2 1 Operation Sequence The mechanical operating sequence as a car passes over the weigh rail is as follows A downward deflection of the rail section above the slot produces a corresponding displacement of the primary lever The primary lever pivots on bearing Y causing an upward movement of the master adjustment screw on the end of the primary lever The secondary lever pivots on bearing X producing a downward movement of the four individual adjustment screws The downward movement of the individual adjustment screws closes the corresponding electrical contacts 1 2 2 Contacts Four contacts are provided 1 medium heavy and ex
26. ust contacts to agree with original settings if necessary See Adjustments A Contacts 7 Replace the ramp Specific information covering the above lubricants together with approved sources of supply are listed in Lubricant Specifications section following 5793 p 11 gt UNION SWITCH amp SIGNAL SECTION V LUBRICANT SPECIFICATIONS 5 1 SPECIFICATION NO M 7680 2 UJ41593 NO 2 SILICONE GREASE 1 This grease must conform to MIL L 4343A 2 This grease can be obtained from either U S amp S by ordering the above commodity number or from Manufacturer Dow Corning Corporation Trade Name No 55 Pneumatic Grease 3 A satisfactory source of supply for this grease in Canada is Manufacturer Dow Corning Silicone LTD Toronto Canada Trade Name No 55 Pneumatic Grease 5 2 SPECIFICATTON UA41229 RUST PREVENTIVE GREASE 1 This grease can be obtained from either U S amp S by ordering the above commodity number or from Manufacturer Gulf Oil Corporation Gulf Blda Pittsburgh Pennsylvania Trade Name Gulf No Rust No 3 2 This grease is not stocked in Canada and must be obtained as indicated above 5 3 SPECIFICATION M 7611 01 UA41099 INSTRUMENT OIL 1 The above oil must conform to the following specifications a General Composition This specification covers a high quality synthetic lubricating oil suitable for clock work mechanisms and delicate instruments in a temperatur
27. weigh rail Two 2 O rings UJ67134 17 inner diameter x 139 cross section 5793 p 10 UNION SWITCH amp SIGNAL gt b O ring Grease UJ41593 Specification 7680 2 c No Rust Grease 1 UA41229 d Instrument Oil 41099 or lightweight high grade non gumming machine oil e VPI vapor phase inhibitor crystals UA41087 Specification M 7450 1 2 The procedure for lubricating the weigh rail is as follows Remove and discard side plate O rings item 28 b Using mineral spirits remove all corrosive material from the O ring grooves the interior side plate surface and mating rail section surface and the slot Wipe dry with a clean lintless cloth C Apply liberal amounts of O ring lubricant UJ41593 to the new O ring UJ67134 and O ring grooves then install new O rings into the grooves d Coat the side plates with grease UA41229 e Apply a few drops of instrument oil UA41099 to primary lever bearing Y see figure 1 4 3 WEIGH RAIL ASSEMBLY REFER TO DWG F451059 SH 02 1 Replace back plate item 3 bolts and washers 2 Replace muslin bag containing VPI crystals in the space between the end of the slot and retaining bracket item 13 3 Using the dowel pin as a guide replace the front side plate 4 Replace the front plate bolts and washers 5 Remove controller box cover and carefully clean contacts with a relay contact file or fine emery cloth 6 Readj
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