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R a i l V e h i c l e S y s t e m s

(P C - 7 8 3 0 6 5Rev. D (12/11/14) -en

Parts CatalogEPCU

Parts CatalogEPCU Doc. No. PC-783065

Revision: D 12/11/14-en

This document was originally written in English.

Knorr-Bremse Group Page 2 / 14

Copyright 2014© New York Air Brake. All rights reserved, including industrial property rights applications.New York Air Brake retains any power of disposal, such as copying and transferring.

Contact address

New York Air Brake 748 Starbuck AvenueWatertown, NY 13601

USAPhone: +1 315 786 5200Fax: +1 315 786 5676www.nyab.com

Technical Changes

NYAB reserves the right to change the unit or this document at any time without giving special notice.

Replacement Plan Category

Definition of the letter code in the Replacement Plan column in the following pages:

CAUTIONWhen repairing this assembly, use only NYAB supplied parts. Use of com-mercially available parts may result in unsatisfactory performance ofthis assembly and the brake system it becomes a part of.

CAUTIONThe purpose of this catalog is to identify the detail parts that make up thiscomplete assembly. To avoid damage to this assembly and/or personalinjury, utilize the applicable maintenance publications before attempting todisassembly or assembly this device.

WARNINGWhenever a part in this assembly is replaced, the assembly must pass thetests in the latest issue of the applicable New York Air Brake (NYAB) TestSpecification. Additionally, a stationary vehicle test must be made toensure that this device functions properly when installed in the total brakeequipment arrangement. Consult your local NYAB representative to iden-tify the applicable test specifications.

Repl. Plan Definition

A 100% Replacement at every scheduled overhaul.

B Replacement dependent upon condition of part.

C Replace if damaged during repair, maintenance or overhaul.

Parts CatalogEPCU Doc. No. PC-783065

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EPCU

Figure 1

FIG. & REPL. PART DRAW NO.

INDEX PLAN NO. NO. REQ’D. DESCRIPTION

EPCU

Parts CatalogEPCU Doc. No. PC-783065

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1- 783065 783065 ELECTRO-PNEUMATIC CONTROL UNIT

1 C 780209 780209 1 . MANIFOLD ASSEMBLY

2 C 734497 CV-424 21 . NUT, Hex Steel, Pltd. 1/2-13 UNC-2B x 0.437" t

3 * 775194 775194 1 . MR FILTER ASSEMBLY

4 A 745679 SR-58 2 . GASKET, Ring Elastomer 1-3/8" od x 1-3/16" id x 0.130" t

5 C 751161 MC-802 6 . SCREW, Hex Head Cap Steel, Pltd. 1/2"-13 UNC-2A x 4" long

6 C 774907 774907 2 . FILTER HOUSING

7 A 775081 775081 2 . FILTER ELEMENT

8 A 735272 735272 3 . GASKET, Ring Elastomer 3" od x 2-23/32" id x 3/16" t

9 C 750890 MC-729 2 . SCREW, Hex Head Cap Steel, Pltd. 1/2"-13 UNC-2A x 3-1/2" long

10 C 777171 777171 1 . BP FILTER ASSEMBLY (Includes items 11 and 12)

11 A 775080 775080 1 . . FILTER ELEMENT

12 C 777174 777174 1 . . RETAINER, Filter

13 A 751369 HN-184 1 . O-RINGBuna9/16” od x 27/64” id x 0.070” t

*NOTE: See page 12 for Filter Replacement Kits. Refer to individual Parts Catalog for replacement information.

Parts CatalogEPCU Doc. No. PC-783065

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EPCU

Figure 1

FIG. & REPL. PART DRAW NO.

INDEX PLAN NO. NO. REQ’D. DESCRIPTION

EPCU

Parts CatalogEPCU Doc. No. PC-783065

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1-14 A 776139 776139 1 . SPRING

Stainless Steel 2-3/8" od x 0.130" dia. x 6" high

15 A 775931 775931 1 . FILTER SCREEN

16 C *782733-xxxx 782733 1 . BP CONTROL PORTION

17 A 775944 775944 1 . GASKET

18 C *783220-xxxx 783220 1 . 20 PIPE PORTION

19 A 775945 775945 3 . GASKET

20 C *783222-xxxx 783222 1 . ER CONTROL PORTION

21 C 779570 779570 1 . BC CONTROL PORTION

22 A 776855 776855 1 . GASKET

23 C 776673 776673 1 . DBTV PORTION

24 A 775943 775943 1 . GASKET

25 C *782006-xxxx 782006 1 . 13 PIPE PORTION

26 A 775941 775941 1 . GASKET

27 C *783224-xxxx 783224 1 . 16 PIPE PORTION

28 A 751812 MC-947 4 . NUT, Elastic Stop Steel, Pltd. 3/8-16 UNC-3B

29 C 733331 CR-181 4 . WASHER, Flat Steel, Pltd. 1/2"

30 C 784982 784982 1 . JUNCTION BOX ASSY, Power Supply

31 C 774787 774787 1 . CABLE ASSEMBLY, EPCU

*NOTE: See Note on page 10.

Parts CatalogEPCU Doc. No. PC-783065

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EPCU

Figure 2

FIG. & REPL. PART DRAW NO.

INDEX PLAN NO. NO. REQ’D. DESCRIPTION

EPCU

Parts CatalogEPCU Doc. No. PC-783065

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2-

32 C 750600 MC-682 16 . SCREW, Hex Head Cap Steel, Pltd. 3/8-16 UNC-2A x 1-1/4" long

33 C 733364 CR-289 16 . LOCK WASHER, Split Steel, Pltd. 3/8"

34 C 779053 779053 2 . RESERVOIR

35 C 779052 779052 2 . RESERVOIR

36 A 738339 EV-4303 4 . GASKET, Ring Elastomer 15/16" od x 3/4" id x 1/8" t

37 C 750230 MC-637 2 . SCREW, Hex Head Cap Steel, Pltd. 1/2-13 UNC-2A x 1-1/2" long

38 C 782571 782571 1 . FLANGE ASSEMBLY, Swivel, 1"

39 A 731056 BC-8378 1 . GASKET, Ring Elastomer 1-15/16" od x 1-9/16" id x 1/4" t

40 C 764925 764925 4 . SCREW, Hex Head Cap Steel, Pltd. 5/8-11 UNC-2A x 1-3/8" long

41 C 782572 782572 2 . FLANGE ASSEMBLY, Swivel, 1-1/4"

42 A 731061 BC-8383 4 . GASKET, Ring Elastomer 2-1/4" od x 1-7/8" id x 1/4" t

43 C 776211 776211 4 . SCREW, Socket Head Cap Steel, Pltd. 5/8"-11 UNC-2A x 1-1/2" long

Parts CatalogEPCU Doc. No. PC-783065

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EPCU

Figure 2

FIG. & REPL. PART DRAW NO.

INDEX PLAN NO. NO. REQ’D. DESCRIPTION

EPCU

Parts CatalogEPCU Doc. No. PC-783065

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2-

44 C 776210 776210 1 . FLANGE ADAPTER

45 C 747378 EV-6442 2 . SCREW, Hex Head Cap Grd. 5 Steel, Pltd. 1/2"-13 UNC-2A x 1" long

46 C 735734 CR-1525 4 . LOCK WASHER, Split Steel, Pltd. 7/8" od x 1/2" id x 0.125" t

47 C 751815 MC-950 2 . WASHER, Flat Steel, Pltd. 1/2"

48 C 779051 779051 1 . RESERVOIR, Auxiliary

49 A 731258 BC-8815 1 . RING GASKETElastomer3/4" od x 9/16" id x 0.125" t

50 C 733696 CR-1014 1 . PIPE PLUG, Hex Socket, 3/8" 1/2" NPT

*NOTE - To order control portions programmed with the correct software the part number must include the software identifying extension:

This information can be found on the nameplate of the EPCU.

ex: 783065-XXXX

Parts CatalogEPCU Doc. No. PC-783065

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EPCU

Figure 2

FIG. & REPL. PART DRAW NO.

INDEX PLAN NO. NO. REQ’D. DESCRIPTION

EPCU

Parts CatalogEPCU Doc. No. PC-783065

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777047 777047 FILTER REPLACEMENT KIT

782520 782520 FILTER REPLACEMENT KIT

Parts CatalogEPCU Doc. No. PC-783065

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EPCU

This tabulation is intended for identification only and should not be used for anyother 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 tosmall differences in wire diameter, coil diameter, number of turns, etc.

Spring Identification

APPROX. APPROX. APPROX. APPR0X.PART NYAB OUTSIDE DIA. FREE FREE MATERIALNO. NO. DIA. WIRE HEIGHT TURNS

776139 776139 2-3/8" 2-1/8 6" 11-1/2 Stainless Steel

Parts CatalogEPCU Doc. No. PC-783065

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EPCU

Installation Data

APPROXIMATENET WEIGHT

428 Lbs.

LRU MINIMUM REMOVAL CLEARANCES(From Front of Manifold Face)

BPCP 19"ERCP 15-11/16"DBTV 14-5/16"16CP 16-3/16"20CP 18-1/4"BCCP 16-5/8"13CP 10-3/4"PSJB 8-49/64"

MR FILTER 16"

PORT SIZE

MR 1-1/4" FlangeBP 1-1/4" FlangeBC 1" Flange13 1/2" NPT20 1/2" NPT

13F 1/2" NPT20F 1/2" NPT

BPVV 1/2" NPTBCCO 1/2" NPT

21 1/2" NPTERG 3/8" NPT