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2391, S.5 Repair Track Maintenance SAFETY PROCEDURES AND WARNINGS: The following statements of warning apply all or in part to the procedures and information contained within this document. Failure to observe these precautions may result in serious injury to those performing the work and/or bystanders.
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The operating portions or parts thereof must never be dismantled or have any parts removed or replaced at the car. All cleaning and re-lubricating of the valve portion parts must be done as per WABCO Freight Car Products recommendation by an AAR Certified shop in accordance with AAR S-477.
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PROCEDURES FOR CLEANING ABDX, ABDXL, ABDX-R, & ABDXL-R CONTROL VALVES ON REPAIR TRACKS SERVICE PORTION If the valve requiring attention is an ABDX or ABDX-R service portion (Figure 1 and 3), the following steps should be taken: 3.1.1 Close the branch pipe cut-out cock and drain the air out of auxiliary reservoir, emergency reservoir and brake cylinder by pulling the release valve handle on the service portion.
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3.1.14 Remove the pipe bracket strainer using strainer nut wrench. 3.1.15 Install a NEW WABCO Freight Car Products pipe bracket strainer. A wooden mandrel of suitable form will assist in guiding the strainer into proper position. Make certain its inner end is in engagement with the sealing bead (if inserted properly, all nut threads will be visible), then apply the holding nut and tighten it firmly using the strainer nut wrench.
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2391, S.5 Repair Track Maintenance “P” designates Vibration Protection “X” stamp ABDX cast on top cover Alternate Configuration of Release Valve Figure 1 - ABDX Service Portion September, 2004 Page 6 of 14...
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ABDX-L cast on vent valve cover vent valve cover ABDX-L Emergency Portion “S” designates Short Car “P” designates Vibration Protection Internal “L” designates Long Car Vent Protector Figure 2 - ABDX / ABDXL Emergency Portions Page 7 of 14 September, 2004...
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ABDX-R Control Valve “SR” designates Remanufactured Short Car “P” designates Vibration Protection “LR” designates Remanufactured Long Car “XR” designates converted ABD to ABDX (Remanufactured ABDX) “XR” Stamp “ABDX-L” cast on vent valve cover ABDXL-R Control Valve Figure 3 - ABDX-R / ABDXL-R Control Valves...
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2391, S.5 Repair Track Maintenance EMERGENCY PORTION If the valve requiring attention is an ABDX, ABDXL, ABDX-R or ABDXL-R emergency portion (Figure 2 and 3), the following steps should be taken: 3.2.1 Close the branch pipe cut-out cock and drain the air out of auxiliary reservoir, emergency reservoir and brake cylinder by pulling the release valve handle on the service portion.
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NOTE: The appropriate type of emergency portion must be applied. There are two versions; the ABDX and ABDX-R for short cars (less than 75 feet of brake pipe) and the ABDXL and ABDXL-R for long cars (greater than 75 feet of brake pipe).
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The primary parts such as gaskets and diaphragms contain date coding. To determine shelf life, WABCO Freight Car Products new rubber repair kits are dated with the oldest date (half year) of rubber components contained within the kit. Major individual WABCO Freight Car Products rubber parts have the date molded into the rubber where practical.
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2391, S.5 Repair Track Maintenance Port Port b - To Brake Pipe. a - To Auxiliary Reservoir. b4 - To Brake Pipe Passage b. b - To Brake Pipe. c - To Brake Cylinder. b2 - To Strainer Nut Cavity. c2 - To Passage c3.
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2391, S.5 Repair Track Maintenance WABCO Freight Car Products www.wabtec.com 1001 Air Brake Avenue 475 Seaman Street Wilmerding, Pennsylvania 15148 Stoney Creek, Ontario L8E 2R2 (412) 825-1000 • Fax (412) 825-1019 (905) 561-8700 • Fax (905) 561-8705 September, 2004 Page 14 of 14...
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