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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 7 2 3 3 4Rev. G (5/9/14) -enCOMPANY CONFIDENTIAL - No user serviceable parts
Parts CatalogCCB-A1 Pneumatic Control Unit
772334assy1
Parts CatalogCCB-A1 Pneumatic Control Unit Doc. No. PC-772334
Revision: G 5/9/14-en
This document was originally written in English.
Knorr-Bremse Group Page 2 / 21
Copyright 2009© NYAB. All rights reserved, including industrial property rights applications.NYAB 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 CatalogCCB-A1 Pneumatic Control Unit Doc. No. PC-772334
Revision: G 5/9/14-en
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Copyright 2009© NYAB. All rights reserved, including industrial property rights applications.NYAB retains any power of disposal, such as copying and transferring.
CCB-A1 Pneumatic Control Unit
Figure 1A
FIG. & REPL. PART DRAW NO.
INDEX PLAN NO. NO. REQ’D. DESCRIPTION
CCB-A1 Pneumatic Control Unit
Parts Catalog
CCB-A1 Pneumatic Control Unit Doc. No. PC-772334Revision: G 5/9/14-en
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Copyright 2009© NYAB. All rights reserved, including industrial property rights applications.NYAB retains any power of disposal, such as copying and transferring.
1A- 772334 772334 PNEUMATIC CONTROL UNIT
1 C 772333 772333 1 . MANIFOLD ASSEMBLY
2 C 735423 CR-633A 24 . NUT, Hex Steel, Pltd. 5/16"-18 UNC-2B x 0.265" t
3 C 735386 CR-1278 4 . NUT, Hex Steel, Pltd. 5/8"-11 UNC-2B x 0.546" t
4 C 735690 735690 1 . J-1 RELAY VALVE
5 A 733328 CR-168 1 . GASKET
6 C 762242 762242 6 . NUT, Hex Steel 7/16"-14 UNC-2B x 0.375" t
7 C 756528 EV-6015 4 . WASHER, Flat Steel, Pltd. 7/16"
8 C 771601 771601 1 . TIE-DOWN BAR
9 C II15740 N/A 1 . RELAY VALVE KR-5EO (Includes item 10 for mounting
purposes.)
10 A A40125/17 A40125/17 3 . . O-RING Buna
M 19 od x 13 id x 3 t
11 C 781715 781715 4 . SCREW, Hex Head Cap Steel, Pltd. 5/16"-18 UNC-2A x 1-3/4" long
12 C 774572 774572 1 . BLANKING PLATE
Parts CatalogCCB-A1 Pneumatic Control Unit Doc. No. PC-772334
Revision: G 5/9/14-en
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Copyright 2009© NYAB. All rights reserved, including industrial property rights applications.NYAB retains any power of disposal, such as copying and transferring.
CCB-A1 Pneumatic Control Unit
Figure 1A
FIG. & REPL. PART DRAW NO.
INDEX PLAN NO. NO. REQ’D. DESCRIPTION
CCB-A1 Pneumatic Control Unit
Parts Catalog
CCB-A1 Pneumatic Control Unit Doc. No. PC-772334Revision: G 5/9/14-en
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Copyright 2009© NYAB. All rights reserved, including industrial property rights applications.NYAB retains any power of disposal, such as copying and transferring.
1A-13 A 743504 RA-19 2 . O-RING
Buna 1/2" od x 3/8" id x 0.070" t
14 A 744401 SC-1102 9 . O-RING Buna 41/54" od x 27/64" id x 0.103" t
15 C 771470 771470 2 . SCREW, Socket Head Cap Steel, Pltd. M 6 x 1 x 65 long
16 C I94900/1024 C155060 1 . MAGNET VALVE WMV1-ZST (Includes items 17 and 18 for
mounting purposes.)
17 A K4140 K4140 3 . . O-RING Buna M 15.3 od x 10 id x 2.65 t
18 A K4149 K4149 1 . . O-RING Buna M 9.3 od x 4 id x 2. 65 t
19 C I98866 B93263 1 . BP CUT OFF WKV3000-TS (Includes items 20 and 21 for
mounting purposes.)
20 A B39512 B39512 2 . . O-RING Buna M 32 od x 25 id x 3.5 t
21 A B43723/4 B43723/4 1 . . O-RING Buna M 16.01 od x 10.77 id 2.62 t
22 C 770178 770178 6 . SCREW, Socket Head Cap Steel, Pltd. 10-24 UNC-3A x 2-3/4" long
Parts CatalogCCB-A1 Pneumatic Control Unit Doc. No. PC-772334
Revision: G 5/9/14-en
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Copyright 2009© NYAB. All rights reserved, including industrial property rights applications.NYAB retains any power of disposal, such as copying and transferring.
CCB-A1 Pneumatic Control Unit
Figure 1A
FIG. & REPL. PART DRAW NO.
INDEX PLAN NO. NO. REQ’D. DESCRIPTION
CCB-A1 Pneumatic Control Unit
Parts Catalog
CCB-A1 Pneumatic Control Unit Doc. No. PC-772334Revision: G 5/9/14-en
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1A-23 C 774007 774007 3 . TRANSDUCER
(Includes item 24 for mounting purposes.)
24 A B73372 B73372 3 . . O-RING Buna M 33 od x 28 id x 2.5 t
25 C I71095 B62200 1 . EMERGENCY VALVE NB11-T (Includes items 26 and 27 for
mounting purposes.)
26 A A40125/13 A40125/13 1 . . O-RING Buna M 12 od x 8 id x 2 t
27 A B73372 B73372 2 . . O-RING Buna M 33 od x 28 id x 2.5 t
28 C 771471 771471 8 . SCREW, Socket Head Cap Steel, Pltd. M 6 x 1 x 30 long
29 C II16356/1024 C79571 1 . MAGNET VALVE WMV01-ZST (Includes two of item 30 for mounting
purposes.)
30 A K4140 K4140 4 . . O-RING Buna M 15.3 od x 10 id x 2.65 t
31 C I88806/024 C96116 1 . MAGNET VALVE WMV02-ZT (Includes two of item 30 for mounting
purposes.)
32 C 768132 768132 2 . SCREW, Socket Head Cap Steel, Pltd. #10-24 UNC-3A x 7/8" long
Parts CatalogCCB-A1 Pneumatic Control Unit Doc. No. PC-772334
Revision: G 5/9/14-en
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Copyright 2009© NYAB. All rights reserved, including industrial property rights applications.NYAB retains any power of disposal, such as copying and transferring.
CCB-A1 Pneumatic Control Unit
Figure 1A
FIG. & REPL. PART DRAW NO.
INDEX PLAN NO. NO. REQ’D. DESCRIPTION
CCB-A1 Pneumatic Control Unit
Parts Catalog
CCB-A1 Pneumatic Control Unit Doc. No. PC-772334Revision: G 5/9/14-en
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1A-
33 C 773529 773529 1 . BLANKING PLATE
34 A 739893 HB-65 4 . O-RING Buna 1-17/64" od x 63/64" id x 0.139" t
35 C 774584 774584 1 . BLANKING PLATE
36 C 772732 772732 1 . PRESSURE SWITCH
37 C 772815 772815 6 . TEST FITTING
38 C 772814 772814 6 . UNION FITTING
39 C 747632 TF-93 1 . PLUG, Tube Port, Hex Head
40 A 764891 764891 3 . NUT, Elastic Stop Steel, Pltd. #10-24 UNC-3B
41 C 763577 763577 3 . WASHER, Flat Stainless Steel #10
42 C 772826 772826 3 . SET SCREW
43 C 772824 772824 1 . BONDING STRAP 6" long
44 C 772834 772834 2 . BONDING STRAP 7-1/8" long
Parts CatalogCCB-A1 Pneumatic Control Unit Doc. No. PC-772334
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CCB-A1 Pneumatic Control Unit
Figure 1B
FIG. & REPL. PART DRAW NO.
INDEX PLAN NO. NO. REQ’D. DESCRIPTION
CCB-A1 Pneumatic Control Unit
Parts Catalog
CCB-A1 Pneumatic Control Unit Doc. No. PC-772334Revision: G 5/9/14-en
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1B-45 C WBFIL100 WBFIL100 2 . FILTER NW19
AA002 AA002 (Includes two of item 46 for mounting purposes.)
46 A B72767 B72767 4 . . O-RING Buna M 25.48 od x 20.24 id x 2.62 t
47 C 773864 773864 1 . REGULATING VALVE DM-15 (Includes two of item 48 for mounting
purposes.)
48 A B43723/4 B43723/4 2 . . O-RING Buna M 28 od x 23 id x 2.5 t
49 C 781551 781551 2 . SPACER
50 C 774583 774583 1 . BLANKING PLATE
51 A 749475 HN-270 4 . O-RING Buna 29/32" od x 51/64" id x 0.103 t
52 C 770558 770558 1 . 20 PIPE CONTROL ASSEMBLY
53 A 731258 BC-8815 2 . RING GASKET Elastomer 3/4" od x 9/16" id x 0.125" t
54 C 773306 773306 1 . EMERGENCY & CHECK VALVE ASSEMBLY
55 C 776012 776012 2 . SCREW, Socket Head Cap Steel, Pltd. M 6 X 1 X 112 long
56 C 774257 774257 1 . MAGNET VALVE, 4 Way
Parts CatalogCCB-A1 Pneumatic Control Unit Doc. No. PC-772334
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CCB-A1 Pneumatic Control Unit
Figure 1B
FIG. & REPL. PART DRAW NO.
INDEX PLAN NO. NO. REQ’D. DESCRIPTION
CCB-A1 Pneumatic Control Unit
Parts Catalog
CCB-A1 Pneumatic Control Unit Doc. No. PC-772334Revision: G 5/9/14-en
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1B-57 A 755568 HN-94 1 . O-Ring
Buna 1/2" od x 23/64" id x 0.103" t
58 A 756708 HN-92 3 . O-Ring Buna 1/2" od x 23/64" id x 0.103" t
59 C 772328 772328 1 . ADAPTER PLATE ASSEMBLY
60 A 737776 EV-5044 7 . O-RING Buna 7/16" od x
61 A 764410 764410 1 . O-RING Buna 9/16" od x 23/64" id x .103" t
62 C 759972 759972 6 . SCREW, Hex Head Cap Steel, Pltd. 5/16"-18 UNC-2A x 1/2" long
63 C 771602 771602 1 . TIE-DOWN BAR
64 C 772386 772386 1 . TIE-DOWN BAR
65 C 774009 774009 2 . ANALOG CONVERTER ASSEMBLY (Includes two of item 66 for mounting purposes.)
66 A B43723/4 B43723/4 4 . . O-RING Buna M 28 od x 23 id x 2.5 t
67 C 767525 767525 3 . SCREW, Socket Head Cap Steel, Pltd. #10-24 UNC x 1" long
68 C 774471 774471 1 . ADAPTER PLATE
Parts CatalogCCB-A1 Pneumatic Control Unit Doc. No. PC-772334
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CCB-A1 Pneumatic Control Unit
Figure 1B
FIG. & REPL. PART DRAW NO.
INDEX PLAN NO. NO. REQ’D. DESCRIPTION
CCB-A1 Pneumatic Control Unit
Parts Catalog
CCB-A1 Pneumatic Control Unit Doc. No. PC-772334Revision: G 5/9/14-en
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1B-
69 C 772387 772387 1 . TIE-DOWN BAR
70 C 740735 PF-618 1 . PLUG, Pipe, Hex Drive
71 C 781565 781565 1 . BY-PASS PLATE ASSEMBLY
72 C 753171 CV1252 1 . CHOKE PLUG WITH STRAINER, 1/8" #68 DRILL (.0310)
73 C 772825 772825 2 . BONDING STRAP 10" long
Parts CatalogCCB-A1 Pneumatic Control Unit Doc. No. PC-772334
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CCB-A1 Pneumatic Control Unit
Figure 2
FIG. & REPL. PART DRAW NO.
INDEX PLAN NO. NO. REQ’D. DESCRIPTION
CCB-A1 Pneumatic Control Unit
Parts Catalog
CCB-A1 Pneumatic Control Unit Doc. No. PC-772334Revision: G 5/9/14-en
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2- 772334 772334 CCB PNEUMATIC CONTROL UNIT
2-1 C 772333 772333 1 . MANIFOLD ASSEMBLY
2-2 C 764924 764924 4 . SCREW, Hex Head Cap Steel, Pltd. 3/8-16 UNC-2A x 3/4" long
2-3 C 751065 VV-359 1 . DIAPHRAGM HOUSING
2-4 A 751042 EV-6143 1 . GASKET Neoprene 5-11/64" od x 4-11/32" id x 0.069" t
2-5 C 751183 MC-809 4 . SCREW, Hex Head Cap Gr. 5 Steel, Pltd. 3/8-16 UNC-2A x 1-3/4" long
2-6 C 771828 771828 1 . BY-PASS PLATE ASSEMBLY
2-7 A 738653 EV-5308 6 . RING GASKET Elastomer 5/8" od x 7/16" id x 0.125" t
2-8 A 738145 EV-5231 2 . RING GASKET Elastomer 7/8" od x 11/16" id x 0.125" t
2-9 C 751519 MC-855 4 . SCREW, Hex Head Cap Steel, Pltd. 1/4"-20 UNC-2A x 5/8" long
2-10 C 750954 CR-288 4 . LOCK WASHER, 1/4" Steel, Pltd.
2-11 C 770464 770464 4 . WASHER Stainless Steel 5/8" od x 9/32" id x 0.05" t
2-12 C 772690 772690 1 . BRACKET
Parts CatalogCCB-A1 Pneumatic Control Unit Doc. No. PC-772334
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CCB-A1 Pneumatic Control Unit
Figure 2
FIG. & REPL. PART DRAW NO.
INDEX PLAN NO. NO. REQ’D. DESCRIPTION
CCB-A1 Pneumatic Control Unit
Parts Catalog
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2-
2-13 C 772178 772178 1 . RESERVOIR
2-14 C 772691 772691 1 . ADAPTER (90°)
2-15 C 751056 TF-29 1 . ADAPTER
2-16 C 772622 772622 1 . CHOKE PLUG, 1/4" #60 Drill (0.0400")
2-17 C 748145 UV-223 1 . CHOKE PLUG, 1/4" #29 Drill (0.1360")
Parts Catalog
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CCB-A1 Pneumatic Control Unit
Installation Data
APPROXIMATENET WEIGHT
211 Lbs.
PORT SIZEFV GAGE, BPA GAGE, ER GAGE - 1/4" NPT
13, 20, 21, TV, BCT, 13F, 20F, BPF - 3/8" NPT
BC - 3/4" FLANGE
EX, BP EX - 1" NPT
MR, BP - 1" FLANGE