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1 WABCO... se_rv_ic_e M_A_NU_AL_2_44_4._z1, DN-11 DC NEUTRAL RELAYS PARTS LIST This service manual provides parts lists for 4-, 6-, 8-, and IO-point DN-11 DC Neutral Relays. Included in this Parts List is a complete tabulation of the relays being covered, detail parts for these relays, and parts for the contact spring combinations used with the relays. The relay tabulations is sub-divided by point size and contact type and contains an alpha reference, piece number, and coil resistance. The alpha "Ref." for the piece number shown in the relay tabulation is referenced in the detail parts list for determining the next higher assembly. Information pertaining to the use of the detail parts list is provided at the beginning of each list. PRINTED IN U.S.A. AO WESTINGHOUSE AIR BRAKE COMPANY SIGNAL & COMMUNICATIONS DIVISION Swissvale Post Office, Pittsburgh, Pa An American-Standard Company March. 1970

2 WABCCI DN-11 DC NEUTRAL RELAYS ( 4-, 6-, 8-, and IO-POINT) Relay Tabulation Details of relays are shown on Figures I, 2, 3, and 4. Refer to Service Manual 2444-Z4 for plug couplers. 4-Point DN-11 Ordinary Acting DC Neutral Relay With Low Voltage Contacts A UN o. 5 Aa UN Ab UN Ac UN Ad UN Ae UN Af UN Ag UN Ah UN Point DN-11 Ordinary Acting DC Neutral Relay With Low Voltage Contacts (Cont.) c UN Ca UN Cb UN Cc UNZ Cd UN2l Ce UN Cf UN AJ UN Ak UN Am UN An UN Ap UN Aq UN B UN Ba UN Bb UN Be UN Bd UN Be UN Bf UN Point DN-11 Ordinary Acting DC Neutral Relay With High Voltage Contacts D UN Da UN Db UN De UN Dd UN Zl, p. 2

3 WABCCJ 4-Point DN-11 Slow Dropaway DC Neutral Relay With Low Voltage Contacts E UN Ea UN Point DN-11 Ordinary Acting DC Neutral Relay With Low Voltage Contacts (Cont.) J UN Ja UN Eb UN Ee UN Ed UN Ee UN K UN Ka UN F UN Fa UN Point DN-11 Ordinary Acting DC Neutral Relay With High Voltage Contacts G UN Point DN-11 Ordinary Acting DC Neutral Relay With Low Voltage Contacts L UN La UN H UN Ha UN Hb UN He UN Hd UN He UN Hf UN Hg UN Hh UN Hj UN Point DN-11 Slow Dropaway DC Neutral Relay With Low Voltage Contacts M UN Ma UN Mb UN Mc UN Hk UN Hm UN Hn UN N UN Zl, p. 3

4 WABCC 8-Point DN-11 Ordinary Acting DC Neutral Relay With Low Voltage Contacts IO-Point DN-11 Ordinary Acting DC Neutral Relay With. Low Voltage Contacts p UN Pa UN Pb UN Pc UN Pd UN T UN Ta UN Tb UN Tc UN Td UN Pe UN Pf UN Pg UN u UN Ph UN Pj UN IO-Point DN-11 Ordinary Acting DC Neutral Relay With. High Voltage Contacts R UN Ra UN v UN Point DN-11 Slow Dropaway DC Neutral Relay With Low Voltage Contacts IO-Point DN-11 Slow Dropaway DC Neutral Relay With Low Voltage Contacts s UN w UN Sa UN Sb UN Zl, p. 4

5 WRBCC ,! 0 SEC. Z-Z :1('41 ' :n SEC. V-Y 21 0 C:, 60 QUICK ACTING ARRANGEMENT LIGHTNING PROTECTIVE SHUNT ON ONE END OF ARMATURE ONLY. Figure 1. 4-Point.DN-11 DC Neutral Relay 2444-Zl, p. 5

6 WAEICC } 70 I 0 : : : af l Ir; SEC. Z-Z, I ;:.;.2 64 SEC. Y-Y 60 QUICK ACTING ARRANGEMENT 63 LIGHTNING PROTECTIVE SHUNT ON ONE END OF ARMATURE ONLY. Figure 2. 6-Point DN-11 DC Neutral Relay 2444-Zl, p. 6

7 WABCO f so---u 1 rr-64 I'!S. '1--.,; I 0 ' : : 8 4 : I I 0 37 I sf , I l -' 55 Figure 3. 8-Point DN-11 DC Neutral Relay 2444-Z 1, p. 7

8 WABCC I I o I 0 : I I 37 sf 27 I { " II r-'flr,:iitl-j.jlll-52.-'-,l+u-- 5 6,----H+-55 I i e!" }J.JU:f!i!l,. JJ_54 IJl:t:r- ' =======r Figure 4. IO-Point DN-11 DC Neutral Relay 2444-Z 1, p. 8

9 WABCO DN-11 DC NEUTRAL RELAYS ( 4-, 6-, 8-, and IO-POINT) Detail Parts List Indented item descriptions indicate that the references in the "Used On" column refer to this Parts List. other references refer to the Relay Tabulation. When an asterisk ( ) appears in the "Used On" column it indicates that these components are used on special purpose DN-11 relays which are not listed with the standard relays appearing in the Relay Tabulation. For detail parts of Contact Spring Combinations see Figure 5. Order By Reference, Piece, and Abbreviated Description REF. PIECE DESCRIPTION DRAWING USED ON 2 UN a UN b UN c UN UN a UN b UN c UN UM UN UM UM UM UM UM UN a UN b UN c UN d UN Top Plate Complete (4 point relays) C Top Plate Complete (6 point relays) C Top Plate Complete (8 point relays) C Top Plate Complete (10 point relays) C Top Plate C Top Plate C Top Plate C Top Plate C Screw Cores (Pair) C Nut Lock Washer Insulated Stop Binding Post (for coil lead) Nut Coil, 1-ohm Coil, 2-ohms Coil, 2-ohms Slow Drop-away Coil, 8-ohms Coil, 15-ohms AtoG Hto N P to Sb TtoW 2 2a 2b 2c 3, 3a, 3b 3c 2, 2a, 2b 2c 2, 2a, 2b 2c 2, 2a, 2b 2c 2, 2a, 2b 2c 2, 2a, 2b 2c 2, 2a, 2b 2c A, Ab, H Hb Aa, Ac, B Ba, D, Ha He, Hd, P Pa E Ad, Bb Ae 2444-Z 1, p. 9

10 WFIBCC REF. PIECE DESCRIPTION DRAWING USED ON 15e UN f UN g UN h UN j UN k UN m UN n UN p UN r UN s UN t UN u UN v UN w UN UM UM UM UJ UM UM UM UJ UM29101 Coil, 20-ohms Slow Drop-away Coil, ohms Coil, 30-ohms Coil, 50-ohms Coil, 50-ohms Slow Drop-away Coil, 125-ohms Coil, 125-ohms Slow Drop-away Coil, 200-ohms Slow Drop-away Coil, 250-ohms Coil, 250-ohms Slow Drop-away Coil, 335-ohms Coil, 500-ohms Coil, 500-ohms Slow Drop-away Coil, 750-ohms Coil, 1000-ohms Washer , Coil Lock Back Strap Cap Screw, 5/16" x 3/4" hex. head (Cad. Pl.). Washer Nut Tag (Marked +) A Washer Nut Ea AI, Be Ag Ah, He Eb, M Ai, Bd Da, Hf, Pb, T Ee, Ma Ed, F,Mb s Ak,Be,C Ca,Cb,Db Hg,Hh, J K, L, Pc Pd,Pe, R Ta, Tb, U v Ee,Fa,G Mc,N,Sa w Am, Cc Hj, Pf,Pg Tc An, Bf,Cc Ce,Cf,Dc Hk, Hm Ja,Ka, La Ph,Pj,Ra Td Sb Ap, Dd Hn Aq 2444-Z 1, p. 10

11 WABCCI REF. PIECE DESCRIPTION 25 UJ63133 Name Plate (4 point relays) (Orders should specify piece number of relay for which desired). 25a UJ63137 Name Plate (6 point relays) (Orders should specify piece number of relay for which desired).. 25b UJ63138 Name Plate (8 point relays) (Orders should specify piece number of re lay for which desired). 25c UJ63141 Name Plate (10 point relays) (Orders should specify piece number of relay for which desired).. 26 UJ'52620 Screw, No x 1/ 4" (Tin Pl.). 27 UJ47081 Gasket (4 point relays) 0 27a UJ47144 Gasket (6 point relays) b UJ47289 Gasket (8 point relays) c UJ'47291 Gasket (10 point relays) UR Foot UM Nut UN Shock Absorber (Shelf Type) (4 point relays) a UN1725SO Shock Absorber (Shelf Type) (6 point relays)... 33b UN Shock Absorber (Shelf Type) (8 point relays). 33c UN Shock Absorber (Shelf Type) (10 point relays). 34 UM Binding Post(For coil lead).. 35 UM Lock Washer UM Nut UN Armature and Bracket Complete (4 point relays).. 37a UN Armature and Bracket Complete (6 point relays) 37b UN Armature and Bracket Complete (8 point relays) 37c UN Armature and Bracket Complete (10 point relays) 38 UN ArI11ature a UN Arnia.ture b UN Armature c UN Arlll3.ture UM Bracket UM Pivot Screw UM Lock Washer UM Screw a 47 UM Washer o 48 UM57497 Dowel. "' "' DRAWING C C C C USED ON AtoG HtoN p to Sb TtoW A to G H to N P to Sb T to W A to N A ton A to G H to N p to Sb Tto W A to G H ton P to Sb Tto W 37 37a 37b 37c 37, 37a 37b, 37c 37, 37a 37b, 37c 37, 37a 37b, 37c 2444-Z I, p. 11

12 WABCC REF. PIECE 49 UM UM UM UM UM UM UM UM UN a UN UM UM UM UM UJ UN UM UJ UJ UJ UN a UN b UN c UN UN a UN b UN c UN UM a UM b UM c UM UM UM UM a UM DESCRIPTION Screw Nut Lock Washer Spring Support Screw I;> Washer 1;I Screw.... Washer Case (4 point relays) Case (6 point re lays). Ven ti la.tor Nut Washer (For quick acting relay).... Bushing (For quick acting relay).. Plug (For plugging unused holes in top plate) Connector Bracket (For wall mounting). Screw, No flat head steel (Tin. Pl.)... Lock Washer, No. 10 steel (Tin. Pl.). Hex. Nut, No steel (Tin. Pl.).. Base Assembly. Used for 4 point relays previous to 10/18/ Base Assembly. Used for 6 point relays previous to 10/18/ o O o O O O O O o O o O o o o O O O e I o O o o Base Assembly (8 point relays)... Base Assembly (10 point relays) Base Plate Complete. Base Plate Complete.... Base Plate Complete.... Base Plate Cmplete Ba.se Plate Ba.se Plate Ba.se Plate Ba.se Plate Ventilator Collar... Corner Stud... Corner Stud... DRAWING USED ON C AtoG C HtoN , 57a C C C C P to Sb C TtoW C a C b C c C a C b C c , 69a 69b, 69c , 69a , 69a b, 69c 2444-Z 1, p. 12

13 WABCCJ REF. PIECE DESCRIPTION DRAWING USED ON 74 UM a UM UM a UM b UM c UM UM a UM b UM c UM UN UN UM UM UJ UM UM UM UM UM Supporting Stud Supporting Stud Glass Shield (Side and end for 4 point relays, end for 6, 8, 10 point relays) Glass Shield (Side) Glass Shield (Side) Glass Shield (Side) Gasket Gasket Gasket Gasket Shield Support Center Post Complete. For 8 and 10 point relays, used on 4 and 6 point relays previous to 10/18/ Center Post Bushing Cotter Pin, 1/16" x 1/2" (Tin Pl.) Nut. For 8 and 10 point relays, used on 4 and 6 point relays previous to 10/18/ Ferrule. For 8 and 10 point slow drop-away relays Screw Nut Note: Refs. 84 and 85 are used for shipping, replace with Ref. 86 when relay is placed in service Plug o , 69a 69b, 69c 68, 68a 68b, 68c 68a 68b 68c 68 68a 68b 68c 68, 68a 68b, 68c PtoW PtoW PtoW S,Sa,Sb, W Ptow PtoW PtoW 2444-Z 1, p. 13

14 WREICD :-aL.&, :cllll.\, lj} s :::v 29 --rt-1:! 35l 36f 39 -;.;==r WIIQ6, : "':::ip' HEAVY DUTY FRONT & BACK 20-=g:E: 2,-"'-,-' } 32 H. V. FRONT & BACK { '-,jl r't: } L.V. FRONT, HEAVY DUTY BACK :!l!I } HEAVY DUTY FRONT, STANDARD L.V. BACK \!-..!{!!:!!I 43--:-\ 39 35l 36J HEAVY DUTY BACK } 32 BRIDGE, BELL RINGING, ADJUSTMENT A OR C. f33 \62 Figure 5. DN-11 Neutral Relay Contact Spring Combinations 2444-Zl, p. 14

15 WABCCJ CONTACT SPRING COlVIBINATIONS DN-11 DC NEUTRAL RELAYS ( 4-, 6-, 8-, and 10-POINT) Detail Parts List Indented item descriptions indicate that the references in the "Used On" column refer to this Parts List. other references refer to the Relay Tabulation. When an asterisk ( ) appears in the "Used On" column it indicates that these components are used on special purpose DN-11 relays which are not listed with the standard relays appearing in the Relay Tabulation. Order By Reference, Piece, and Abbreviated Description REF. PIECE DESCRIPTION DRAWING USED ON UM Binding Post UM Binding Post UM Binding Post UM Binding Post UM Binding Post UM Binding Post UM Machine Screw, No x 1-3/8" fil. head steel (Tin. Pl.) UM29101 Nut UJ47818 Washer UM29103 Nut UM69705 Washer UM72948 Nut UM Lock Washer UM62977 Screw... _ UM52335 Washer C, Ca, Cc to Ce, K, Ka UM Nut a UM Screw UM Lock Washer.. a 84! UM57996 Screw UM20686 Lock Washer, UM Nut UM Lock Washer UM Contact Holder UM Lock Washer UM Bracket Z I, p. 15

16 WABCD - REF. PIECE DESCRIPTION DRAWING USED ON 27 UM UJ a UN UM UM UN a UN UM UM UM UN a UN UM UM UM UM UN a UN Magnetic Blow-out Assembly.. Contact Tip (Silver Imp. Carbon) L. V.... Contact Tip (Silver) L. V.... Contact Tip (Silver Imp. Carbon) Heavy Duty. Contact Tip (Silver Imp. Carbon) H. V.... Non-Insulated Connector Complete (high or low voltage)... Insulated Connector Complete (high or low voltage) (Used in spaces 1 and 6 of 6 point relays having plastic case)....., Connector Only ,, Flexible Connector Insulation Non-Insulated Connector Complete (Heavy Duty)... Insulated Connector Complete (Heavy Duty) (Used in spaces 1 and 6 of 6 point relays having plastic case)... Connector Only Flexible Connector Plate.... Insulation... Left Hand Back Post with silver tip (low voltage)... Right Hand Back Post with silver tip (low voltage) B to Bf F, Fa,J, Ja,N,R,Ra u C, Ca, Cc, Cd; Ce,K, Ka D to Dd, L, La, V A to Bf, Ca, Cb,Ce, Cf, D to W HtoN , 3la , 31a a C to Cf, G, K, Ka K, Ka , 35a , 35a , 35a a IA to Aq,Ca, Cb, Ce, Cf, E to Ee, G, H to Hn,K, Ka, M to Mc, P to Pj, S to Td, W A to Aq,Ca, Cb, Ce, Cf, EtoEe,G, H to Hn, K, Ka, M to Mc, P to Pj, S to Td, W 2444-Z 1, p. 16

17 WAEICD REF. PIECE DESCRIPTION DRAWING USED ON 41 UN Left Hand Back Post with silver imp. carbon tip (low voltage) BtoBf,F, Fa, 1, Ja, N, R, Ra,U 41a UN Right Hand Back Post with silver imp. carbon tip (low voltage) B to Bf, F, Fa, 1, Ja, N,R,Ra, U 42 UN Left Hand Back Post with silver imp. carbon tip (high voltage) D to Dd, L, La, V 42a UN ight Hand Back Post with silver imp. carbon tip (high VO ltage) D to Dd, L, La, V 43 UM Left Hand Back Post with silver tip {heavy duty) C to Cf, G, K, Ka 43a UN Right Hand Back Post with silver tip (heavy duty) C to Cf, G, K, Ka White Tag (Orders should specify marking desired) C to Cf, G, K, Ka 44a UJ75519!Red Tag (Orders should specify marking desired) UM Stop Spring A to Bf, Ca, Cb,Ce, Cf, DtoW 46 UM j:3:top Spring..., UM I.Stop Spring UN Contact Spring Complete (low voltage front and back) A to Bf, Ca, Cb, Ce, Cf, E to Ka, M to U, W 49 UN Contact Spring UM Flexible Connector UN106289!Contact Spring, Silver Tip (heavy duty front) C, Ca, Cc, Cd, Ce, K, Ka 51a UN217239!Contact Spring, Silver Imp. Carbon Tip (high voltage beavy duty front) UN192792!Contact Spring (heavy duty back) C to Cf, G, K,Ka 2444-Zl, p. 17

18 WRBCD REF. PIECE DESCRIPTION DRAWING USED ON 53 UN a UN UN a UN UM UN UN UN UN UN UM Contact Spring Complete (high voltage front and back) Contact Spring Complete (high voltage front) Contact Spring Contact Spring. Flexible Connector. Contact Spring (heavy duty front for use with magnetic t> low-out) Contact Spring (low voltage back) Contact Spring (low voltage front) Contact Spring Complete (low voltage back). Contact Spring Flexible Connector D to Dd, L, La, V v a , 53a Cb, Cf, G Z 1, p. 18

SERVICE MANUAL 5900-A

SERVICE MANUAL 5900-A WRBCC. SERVICE MNUL 5900- PEDESTL MOUNTED JUNCTION BOXES ********* PRTS LIST This service manual provides parts lists for standard 4-, 10-, 12-, 24-, and 48-terminal and the heavy duty pedestal mounted