JANUARY, 2005 Supersedes issue dated March, Part No Part No

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1 S- LOAD SENSOR VALVES, SUSPENSION MOUNTING - PART NO SUSPENSION MOUNTING - PART NO FLOOR MOUNTING - PART NO FLOOR MOUNTING - PART NO JANUARY, 2005 Supersedes issue dated March, 2003 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 Wabtec 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 Wabtec Representative for identity of the test specification, with latest revision date, that covers this device.) Part No Part No IMPORTANT: Only Wabtec 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 Wabtec Corporation and may not be replicated in any manner or form without the prior sole written consent of an Officer of Wabtec Corporation. Part No Part No WABCO Freight Car Products. A Wabtec Company. All rights reserved Page of January, 2005

2 Orientation of Pipe Bracket for Floor Mounting 3 2 Figure - Part No & January, 2005 Page 2 of

3 S- LOAD SENSOR VALVE, PART No & Figure S- LOAD SENSOR VALVE, Suspension Mounting Ref. (Includes Ref. Nos. to 2) S- LOAD SENSOR VALVE, Floor Mounting Ref. (Includes Ref. Nos. to 2) PIPE BRACKET PORTION SCREW, /2-3 x 2 /" Hex GASKET, Mounting S- LOAD SENSOR VALVE PORTION Ref. (Includes Ref. Nos. thru 2) NUT, 7 / Self-Locking Hex SCREW, 3 Composite Sensor NUT, / Self-Locking SCREW, 7 / x /2 Socket LEVER SCREW, 3 /8- x 0.88" Hex COVER CLAMP, Spring BOOT, Dust SPRING, Piston (See Page for Spring Identification Chart) PISTON ROD SHIM PISTON DIAPHRAGM O-RING,.3" O.D FOLLOWER, Piston O-RING, /2 O.D SPOOL VALVE (Includes Ref. No. 22) PIN, /8 x /8" Cylindrical Spring BODY, Valve Portion PLUG, /" NPT Pipe NOTE: See Page for Repair Parts Kit information. IMPORTANT: S- Load Sensor Valves, Part Nos and do NOT comply with AAR Specification S These valves are provided for replacement of existing equipment for cars ordered before July, 200 and are NOT intended for new car applications. NOTE: S- Load Sensor Valve Accessory: Aluminum Empty and Load Adjusting Block, Part No. 895 Page 3 of January, 2005

4 Orientation of Pipe Bracket for Floor Mounting 2 Figure 2 - Part No & January, 2005 Page of

5 S- LOAD SENSOR VALVE, PART No & Figure S- LOAD SENSOR VALVE, Suspension Mounting Ref. (Includes Ref. Nos. to 30) S- LOAD SENSOR VALVE, Floor Mounting Ref. (Includes Ref. Nos. to 30) PIPE BRACKET PORTION SCREW, /2-3 x 2 /" Hex GASKET, Mounting S- LOAD SENSOR VALVE PORTION Ref. (Includes Ref. Nos. thru 30) NUT, 7 / Self-Locking Hex SCREW, 3 Composite Sensor NUT, / Self-Locking SCREW, 7 / x /2 Socket LEVER SCREW, 3 /8- x 0.88" Hex COVER CLAMP, Spring BOOT, Dust SPRING, Piston (See Page for Spring Identification Chart) PISTON ROD SHIM PISTON DIAPHRAGM O-RING,.3" O.D FOLLOWER, Piston O-RING, /2 O.D SPOOL VALVE (Includes Ref. No. 22) PIN, /8 x /8" Cylindrical Spring BODY, Valve Portion RETAINING RING HOUSING, Indicator O-RING, " O.D O-RING, 7 / O.D SPRING, Indicator (See Page for Spring Identification Chart) PISTON, Indicator O-RING, /8" O.D. NOTE: See Page for Repair Parts Kit information. IMPORTANT: S- Load Sensor Valves, Part Nos and comply with AAR Specification S These valves are intended for new cars ordered after July, 200. Page 5 of January, 2005

6 REPAIR PARTS KIT, PART NO (For S- Valves, Part Nos & ) GASKET, Mounting BOOT, Dust DIAPHRAGM O-RING, 5 /" O.D O-RING, /2" O.D. 3 REPAIR PARTS KIT, PART NO. 572 (For S- Valves, Part Nos & ) GASKET, Mounting BOOT, Dust DIAPHRAGM O-RING, 5 /" O.D O-RING, /2" O.D O-RING, " O.D O-RING, 7 / O.D O-RING, /8" O.D. SPRING IDENTIFICATION The following table is shown to enable identification of the springs used in the devices catalogued 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 Wabtec Corporation are to be used in locations illustrated herein. Approx. Approx. Approx. Approx. Outside Dia. Free No. Dia. Wire Height Turns Part No. "A" In. "B" In. "C" In. * Material 5775 / 7 / 3 8 /2 Steel Music Wire *NOTE: Number of turns counted from extreme ends of wire. All dimensions are shown in inches. WABCO Freight Car Products 00 Air Brake Avenue 75 Seaman Street Wilmerding, Pennsylvania 58 Stoney Creek, Ontario L8E 2R2 (2) Fax (2) (905) Fax (905) January, 2005 Page of

B-1 QUICK SERVICE VALVE PORTION PART NOS.

B-1 QUICK SERVICE VALVE PORTION PART NOS. B- QUICK SERVICE VALVE PORTION PART NOS. 565453 or 565453-00PT B- QUICK SERVICE VALVE, PART NO. 565450 For use on cars which are 75 feet or more in length B- QUICK SERVICE VALVE, PART NO. 57094 For use