Rail Vehicle Systems...... PC-783901 Rev. E (4/14/16) -en...... Parts Catalog Assembly
Contact address New York Air Brake 748 Starbuck Avenue Watertown, NY 13601 USA Phone: +1 315 786 5200 Fax: +1 315 786 5675 www.nyab.com Technical ChangesT NYAB/Knorr-Bremse reserves the right to change products or this document at any time without giving special notice. In the case of changes to products, this spare parts catalog is no longer valid. Ordering Spare Parts It is necessary to use the latest spare parts catalog when ordering spare parts. If you discover that products need to be replaced, only NYAB/Knorr-Bremse original parts are to be used. Replacement Plan Category: Meanings of the letters in the Replacement Plan column of the following tables: Replacement Plan A B C Definition 100% Replacement at every scheduled overhaul Replacement dependent upon condition of part Replace if damaged during repair, maintenance, or overhaul. This document was originally written in English. Knorr-Bremse Group Page 2 / 10
Assembly Knorr-Bremse Group Page 3 / 10
Assembly FIG. & REPL. PART DRAW NO. INDEX PLAN NO. NO. REQ D. DESCRIPTION 1-783901 783901 Assembly 1 C 783952 783952 1. CLEVIS, Front 2 C 783950 783950 1. COLLAR, Actuating 3 C B73354/1 769162 1. SCREW, Hex Head Cap Grade 5 Steel, Pltd. 3/8"-16UNC-2A x 1" long 4 C 784014 784014 1. CONTROL ROD ASSEMBLY 5 A 784185 784185 1. WIPER RING 6 C 790159 790159 1. TUBE, Actuating 7 A 784182 784182 1. RETAINING RING, Internal Steel 3-17/64" od x 0.039" thick 8 A 784180 784180 1. WIPER RING 9 A 784181 784181 1. RETAINING RING Steel 3-63/64" od x 0.109" thick 10 C 790672 790672 1. HOUSING, Overtravel 11 C 783972 783972 1. OVERTRAVEL ASSEMBLY 12 C 790361 790361 1. ROD GUIDE 13 B 784022 784022 3. PIN, Trigger 14 C 790363 790363 1. CLUTCH, Front 15 A 749683 EV6732 1. RETAINING RING Steel 49/64" od x 0.035" thick Replacement Plan: A = 100% Replacement at every scheduled overhaul. B = Replacement dependent upon condition of part. C = Replace if damaged during repair, maintenance or overhaul. Knorr-Bremse Group Page 4 / 10
Assembly Knorr-Bremse Group Page 5 / 10
Assembly FIG. & REPL. PART DRAW NO. INDEX PLAN NO. NO. REQ D. DESCRIPTION 1-16 C 783437 783437 1. WASHER, Safety Steel 1.2" od x 0.636" id x 0.25" thick 17 A 783433 783433 2. BEARING, Thrust 18 C 783905 783905 1. CLUTCH 19 A 784013 784013 1. SPRING, Conical Compression Chrome Silicon, Pltd. 2.74" od x 0.207" dia x 2.08" high 20 C 790356 790356 1. COUPLING, Body 21 C 784024 784024 1. SEAT, Clutch Spring 22 C 783902 783902 1. TENSION ROD ASSEMBLY 23 B 784178 784178 1. SPRING, Compression Chrome Silicon, Pltd. 2" od x 0.312" dia. x 16.5" high 24 C 784186 784186 1. GUIDE, Spring 25 B 784179 784179 1. SPRING, Compression Chrome Silicon, Pltd. 3.07" od x 0.375" dia. x 28.5" high 26 C 790671 790671 1. HOUSING ASSEMBLY, Spring 27 A 790154 790154 1. WEAR RING 28 A 782183 782183 1. WIPER 29 C 783951 783951 1. CLEVIS, Rear 30 A 777806 777806 1. TIE, Cable 31 A 791618 791618 1. LABEL, AAR, CID Replacement Plan: A = 100% Replacement at every scheduled overhaul. B = Replacement dependent upon condition of part. C = Replace if damaged during repair, maintenance or overhaul. Knorr-Bremse Group Page 6 / 10
Assembly Knorr-Bremse Group Page 7 / 10
Assembly FIG. & REPL. PART DRAW NO. INDEX PLAN NO. NO. REQ D. DESCRIPTION 790454 790454 REPAIR KIT, Replacement Plan: A = 100% Replacement at every scheduled overhaul. B = Replacement dependent upon condition of part. C = Replace if damaged during repair, maintenance or overhaul. Knorr-Bremse Group Page 8 / 10
Assembly Spring Identification 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. It is based on calculated figures and the actual spring will vary somewhat, due to small differences in wire diameter, coil diameter, number of turns, etc. APPROX. APPROX. APPROX. APPR0X. PART NYAB OUTSIDE DIA. FREE FREE MATERIAL NO. NO. DIA. WIRE HEIGHT TURNS 784013 784013 2.74" 0.207" 2.08" 1-3/4 Chrome Silicon 784178 784178 2" 0.312" 16.5" 23-1/2 Chrome Silicon 784179 784179 3.07" 0.375" 28.5" 23-1/2 Chrome Silicon Knorr-Bremse Group Page 9 / 10
Assembly Installation Data APPROXIMATE NET WEIGHT 86 Lbs. Knorr-Bremse Group Page 10 / 10