ELX-S TM UNIT 60% 665020 (Low Changeover) 305274 (High Changeover) 305305 (High Changeover) IMPORTANT: This catalog is published as an aid in identifying the detail parts that make up this complete device. Refer to applicable maintenance publication BEFORE attempting either the disassembly or the assembly of this device. WARNING: At the time any part is replaced in this device, the operation of the complete device must pass a series of tests prescribed in the latest issue of the applicable Test Specification. At the time this device is applied to the brake equipment arrangement, a stationary vehicle test must be made to ensure that this device functions properly in the total brake equipment arrangement. (Consult your local Representative for identity of the test specification, with latest revision date, that covers this device.) IMPORTANT: Only supplied parts are to be used in the repair of this device in order to obtain satisfactory operation. Commercially available non-o.e.m. parts are unacceptable. NOTE: The part numbers and their associated descriptions are the property of Corporation and may not be replicated in any manner or form without the prior sole written consent of an Officer of Corporation. TM Trademark of Corporation 999 WABCO Freight Car Products. A Company. All rights reserved. F044A Page of 2 August 20
INDEX ELX-S UNIT 60% (Low Changeover), PART NO. 665020... 3 ELX-S UNIT 60% (High Changeover), PART NO. 305274 & 305305... 3 ELX-S VALVE 60% (Low Changeover), PART NO. 664950... 5 ELX-S VALVE 60% (High Changeover), PART NO. 305275 (CC B )... 5 ELX-S VALVE CONFIGURATIONS & ACCESSORIES... 8 ELX-S VALVE REPAIR PARTS KIT, PART NO. 6652... 8 ELX-S VALVE 60% (High Changeover), PART NO. 305275 (CC A & - )... 9 ELX-S VALVE REPAIR PARTS KIT, PART NO. 30530... SPRING IDENTIFICATION CHART... 2 CONFIGURATION CODE (CC) EXPLANATION Ø = The last character Ø of the serial number is the Configuration Code of the device. Absence of an alpha character indicates a Configuration Code valve - (i.e., new). F044A Page 2 of 2 August 20
2 3a, 3b or 4a, 4b 5 6 7 8 9 a, b 0 Figure Part Nos. 665020, 305274, & 305305 F044A Page 3 of 2 August 20
ELX-S UNIT 60% (Low Changeover), PART NO. 665020 - Figure ELX-S UNIT 60% (High Changeover), PART NOs. 305274 & 305305 - Figure No. Description Qty. 665020-0000 ELX-S UNIT 60% (Low Changeover), (Includes Nos. to 2, 3a, 5 to 0, & a) 665020-F000 ELX-S UNIT 60% (Low Changeover), with BCRD (Includes Nos. to 2, 3b, 5 to 0, & a) 665020-0FDA ELX-S UNIT 60% (Low Changeover), with FDA Diaphragm (Includes Nos. to 2, 3a, 5 to 0, & b) 665020-FFDA ELX-S UNIT 60% (Low Changeover), with FDA Diaphragm & BCRD (Includes Nos. to 2, 3b, 5 to 0, & b) 305274-0000 ELX-S UNIT 60% (High Changeover), (Includes Nos. to 2, 4a, 5 to 0, & a) 305274-F000 ELX-S UNIT 60% (High Changeover), with BCRD (Includes Nos. to 2, 4b, 5 to 0, & a) 305305-0000 ELX-S UNIT 60% (High Changeover), with FDA Diaphragm (Includes Nos. to 2, 4a, 5 to 0, & b) 305305-F000 ELX-S UNIT 60% (High Changeover), with FDA Diaphragm & BCRD (Includes Nos. to 2, 4b, 5 to 0, & b) 54274.SCREW, ⅜-6 x " Hex 3 2 54276.WASHER, ⅜" Lock 3 3a 664950-0000.ELX-S VALVE 60% (Low Changeover), (See Figure 2 for Details) 3b 664950-F000.ELX-S VALVE 60% (Low Changeover), with BCRD (See Figure 2 for Details) 4a 305275-0000.ELX-S VALVE 60% (High Changeover), (See Figure 2 for Details) 4b 305275-F000.ELX-S VALVE 60% (High Changeover), with BCRD (See Figure 2 for Details) 5 305268.GASKET, Foam 6 66492.FILTER 3 7 534683.GASKET, ⅛" O.D. Ring 3 8 305326.ELX-S PIPE BRACKET 60% 9 Δ 305306.SPRING 0 305307.RIVET 4 a 305264.DIAPHRAGM (For Standard Applications) b 305302.DIAPHRAGM (For Applications on cars used for hauling foodstuffs) Δ See last page for spring identification. F044A Page 4 of 2 August 20
0 9 6 3229-76, S.7, Issue # 3 2 4 or 5 8 6 7 5 4 3 27 2 20 7 8 9 2 22 23 25 26 54 24 28 29 3 30 53a 36 33 32 53 37 34 35 52 5 50 49 4 39 48 46 47 40 45 42 44 43 38 Figure 2 Part Nos. 664950 (Configuration Control - ) & 305275 (Configuration Control B ) F044A Page 5 of 2 August 20
ELX-S VALVE 60% (Low Changeover), PART NO. 664950 - Figure 2 ELX-S VALVE 60% (High Changeover), PART NO. 305275 (Configuration Control B ) - Figure 2 No. Description Qty. 2 664950-0000 ELX-S UNIT 60% (Low Changeover) (Includes Nos. to 4 & 6 to 52, 53, & 54) 2 664950-F000 ELX-S UNIT 60% (Low Changeover), with BCRD (Includes Nos. to 4 & 6 to 52, 53a, & 54) 2 * 305275-0000 ELX-S UNIT 60% (High Changeover) (Includes Nos. to 3 & 5 to 52, 53, & 54) 2 * 305275-F000 ELX-S UNIT 60% (High Changeover), with BCRD (Includes Nos. to 3 & 5 to 52, 53a, & 54) 2 305290.WASHER, Cap 2 2 Δ 305254.SPRING, Lock Pin 2 3 528643.RING, Retaining 2 4 305253.LOCK PIN 2 5 305303.BOOT 2 6 536904.RING, Retaining 2 7 305255.HOUSING, Locking 2 8 Δ 305256.SPRING, 2 9 305296.RING, Crescent Retaining 2 0 30529.SEAT, Spring 2 305295.COVER 2 2 30504.SCREW, 5 6-8 x " Socket Head 4 2 3 55370.WASHER, Lock 4 2 4 Δ 664759.SPRING, Return (Low Changeover) 2 5 Δ 305272.SPRING, Return (High Changeover) 2 6 305277.ROD, Push 2 7 30534.WASHER 2 8 52462.O-RING, ½" O.D. 2 9 305249.PISTON 2 20 30539.DIAPHRAGM 2 2 305247.RETAINER, Diaphragm 2 22 Δ 305004.SPRING, Proportional Valve 2 23 305084.O-RING, 7 6" O.D. 3 2 66493.SPOOL ASSEMBLY (Includes Nos. 24 to 27) 2 24 664925..SPOOL 2 25 533948..RING, Retaining 2 26 66463..BOLT, ¼ x ½" Shoulder 2 27 305336..SPACER 2 28 30535.NUT, Proportioning Valve 2 29 670653.O-RING, 2" O.D. * Configuration Control Letter B. Indicates parts included in Repair Parts Kit, 6652, see Page 8. Δ See last page for spring identification. F044A Page 6 of 2 August 20
ELX-S VALVE 60% (Low Changeover), PART NO. 664950 - Figure 2 ELX-S VALVE 60% (High Changeover), PART NO. 305275 (Configuration Control B ) - Figure 2 No. Description Qty. 2 30 66362.PROPORTIONING VALVE ASSY (Includes Nos. 3 to 36) 2 3 66363..VALVE, Proportioning 2 32 Δ 66365..SPRING, Positioning 2 33 30388..RETAINER 2 34 305003..O-RING, ¾" O.D. 2 35 30586..PIN 2 36 304989..CARRIER 2 37 305093.SPACER, Spring Shim 0 to 3 2 38 536904.RING, Retaining 2 39 664930.PISTON 2 40 Δ 66493.SPRING, Indicator 2 4 6658.O-RING, ⅛" O.D. 2 42 305084.O-RING, 7 6" O.D. 2 43 664929.HOUSING, Indicator 2 44 304650.O-RING, " O.D. 2 45 534045.RING, Retaining 2 46 30046.CAP, Release Check Valve 2 47 52479.O-RING, ¼" O.D. 2 48 3050.SHIM 0 to 3 2 49 Δ 30567.SPRING, Return 2 50 54246.VALVE, Check 2 5 667050.BUSHING, Retaining 2 52 66465.FILTER 2 53 52378.PLUG, ¼ NPT x 7 6" Hex. Soc. Head (for units with 0xxx suffix) 2 53a 66096.BRAKE CYLINDER READ DEVICE (for units with Fxxx suffix) 2 54 664970.BODY, Valve (Bushed) (Includes Nos. 5 & 52) Indicates parts included in Repair Parts Kit, 6652, see Page 8. Δ See last page for spring identification. F044A Page 7 of 2 August 20
ELX-S CONFIGURATIONS (SUFFIX) Example: P/N 0665020-0000 is an ELX-S Unit, 60%, L.C.O. 0 665020-0000 - denotes Standard Device () Standard Diaphragm Pc. No. 305264 w/ no BCRD -F _ denotes Brake Cylinder Read Device. () BCRD Pc. No. 66096 is included. - _ S denotes Valve Portion Shipping Combination. (3) Filters Pc. No. 66492, (3) Ring Gaskets Pc. No. 534683 and Protective Shipping Cover are included. - _ FDA denotes FDA diaphragm for hauling foodstuffs. () FDA Diaphragm Pc. No. 305302 is included. denotes: Valve Type (ELX-S), Proportioning (60%), Changeover (L.C.O. or H.C.O.), & Other Configurations. HIGH CHANGEOVER (H.C.O.) These valves do not comply with AAR Specification S-4002-03 for low changeover pressure valves. These valves are provided for replacement of existing equipment for cars ordered before July, 2004, and are not intended for new car applications. LOW CHANGEOVER (L.C.O.) These valves comply with AAR Specification S-4002-03 for low changeover pressure valves. These valves are intended for use on new cars ordered after July, 2004. ELX-S UNIT ACCESSORIES The following devices are available for the ELX-S Unit: ELX Test Fitting ASM with BCRD (See Catalog 329-) 30496 ELX-S Load-Locking Strap 664064 Stud Mounting Bracket Kit 66500 FDA Stud Mounting Bracket Kit 66500-000 ELX-S VALVE REPAIR PARTS KIT, PART NO. 6652 No Description Qty. 2 5 305303 BOOT 2 8 52462 O-RING, ½" O.D. 2 20 30539 DIAPHRAGM 2 23 305084 O-RING, 7 6" O.D. 3 2 29 670653 O-RING, 2" O.D. 2 3 66363 VALVE, Proportioning 2 34 305003 O-RING, ¾" O.D. 2 4 66588 O-RING, ⅛" O.D. 2 42 305084 O-RING, 7 6" O.D. 2 44 304650 O-RING, " O.D. 2 47 52479 O-RING, ¼" O.D. 2-50 54246 VALVE, Check F044A Page 8 of 2 August 20
3 2 4 8 5 7 0 9 6 5 23 22 24 26 25 20 9 8 6 7 45 3 4 2 2 44a 27 28 44 29 34 36 35 32 33 30 3 40 38 39 43 4 42 37 Figure 3 305275 (Configuration Control A or No Configuration Control Letter) F044A Page 9 of 2 August 20
ELX-S VALVE 60% (High Changeover), PART NO. 305275 - Figure 3 (Configuration Control A or No Configuration Control Letter) No. Description Qty. 3 305275-0000 ELX-S VALVE 60% (High Changeover), (Includes Nos. to 43, 44, & 45) 3 305275-F000 ELX-S UNIT 60% (High Changeover), with BCRD (Includes Nos. to 43, 44a, & 45) 3 305290.WASHER, Cap 3 2 Δ 305254.SPRING, Lock Pin 3 3 528643.RING, Retaining 3 4 305253.LOCK PIN 3 5 305303.BOOT 3 6 536904.RING, Retaining 3 7 305255.HOUSING, Locking 3 8 Δ 305256.SPRING 3 9 305296.RING, Retaining 3 0 30529.SEAT, Spring 3 305295.COVER 3 2 30504.SCREW, 5 6-8 x " Socket Head 4 3 3 55370.WASHER, Lock 4 3 4 Δ 305272.SPRING, Return 3 5 305277.ROD, Push 3 6 30534.WASHER 3 7 52462.O-RING, ½" O.D. 3 8 305249.PISTON 3 9 30539.DIAPHRAGM 3 20 305247.RETAINER, Diaphragm 3 2 Δ 305004.SPRING, Proportioning Valve 3 22 533948..RING, Retaining 3 23 305084.O-RING, 7 6" O.D. 2 3 30549.SPOOL ASSEMBLY (Includes Nos. 22 & 24 to 26) 3 24 305246..SPOOL 3 25 66463..BOLT, ¼" x ½" Shoulder 3 26 305336..WASHER 3 27 30535.NUT, Proportioning Valve 3 28 670653.O-RING, 2" O.D. 3 29 30566..VALVE, Release Check 3 30 305093.SPACER to 3 3 3 305003.O-RING, ¾" O.D. 3 30373.VALVE, Proportioning (Includes Nos. 29 & 3 to 36) 3 32 30388..RETAINER See Repair Parts Kit Information, 30530, on Page. Δ See last page for spring identification. F044A Page 0 of 2 August 20
ELX-S VALVE 60% (High Changeover), PART NO. 305275 - Figure 3 (Configuration Control A or No Configuration Control Letter) No. Description Qty. 3 33 30586..PIN 3 34 304989..CARRIER 3 35 304987..VALVE, Check 3 36 Δ 30567..SPRING, Return 3 37 536904.RING, Retaining 3 38 30569.PISTON 3 39 Δ 30588.SPRING, Indicator 3 40 532257.O-RING, 6" O.D. 2 3 4 30568.HOUSING, Indicator 3 42 30589.O-RING, " O.D. 2 3 43 30587.SEAL, Wiper 3 44 52378.PLUG, ¼ NPT x 7 6" Hex. Soc. Head (for units with 0xxx suffix) 3 44a 66096.BRAKE CYLINDER READ DEVICE (for units with Fxxx suffix) 3 45 305276.BODY, Valve See Repair Parts Kit Information, 30530, on Page. Δ See last page for spring identification. ELX-S VALVE REPAIR PARTS KIT, PART NO. 30530 ELX-S Valve, 305275 with Configuration Code A or No Configuration Code Letter use Repair Parts Kit, 30530 No Description Qty. 3 5 305303 BOOT 3 7 52462 O-RING, ½" O.D. 3 9 30539 DIAPHRAGM 3 23 305084 O-RING, 7 6" O.D. 2 3 28 670653 O-RING, 2" O.D. 3 3 305003 O-RING, ¾" O.D. 3 32 30388 RETAINER 3 35 304987 VALVE, Check 3 40 532257 O-RING, 6" O.D. 2 3 42 30589 O-RING, " O.D. 2 3 43 30587 SEAL, Wiper F044A Page of 2 August 20
SPRING IDENTIFICATION The following table is shown to enable identification of the springs used in the devices cataloged herein. It is based on calculated figures and the actual spring will vary somewhat, due to the small differences in wire, coil diameter, number of turns, etc. This tabulation is intended for identification only and should not be used for any other purpose. It does not represent a specification for the springs mentioned. For proper operation of this device ONLY springs supplied by Corporation are to be used in locations illustrated herein. Approx. Outside Dia. A In. Approx. Wire Dia. B In. Approx. Free Height C In. (Figure A) Approx. Free Angle D (Figure B) Approx. No. Turns * Material 305004 ⅜ 3 64 ⅞ - 8 Steel 30567 6 3 64 9 6-4 Steel 30588 ⅜ 3 64 ¾ - 3 Steel 305254 5 6 32 3-7 Steel 305256 6 ⅜ - 5 Steel 305272 ¼ ⅛ 7 6 Red 5 Steel 305306 2 ⅛ x 64 ⅞ - 7 Steel 66365 5 6 32 7 32-5 Steel 664759 3 6 7 64 ¾ - 5½ Music Wire 66493 29 64 3 64 3 6 - ½ Music Wire *Note: Number of turns counted from extreme ends of wire. All dimensions are shown in inches. WABCO Freight Car Products www.wabtec.com Air Brake Avenue 475 Seaman Street Wilmerding, Pennsylvania 548 Service Stoney Creek, Ontario L8E 2R2 (42) 825-000 Fax (42) 825-09 (877) 922-2627 (905) 56-8700 Fax (905) 56-8705 F044A Page 2 of 2 August 20