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8

FIGURE 9 - 

ANTILOCK TRACTION ASSEMBLY EXPLODED VIEW

24

23

22

26

25

27

28

29

30

31

32

33

34

35

PRIOR INTERNAL

COMPONENT

CONFIGURATION

Key Description

1 ECU Control
2 Bolts (4)
3 Cover
4 Base
5 Retaining Ring
6 Exhaust Cover
7 O-Ring
8 O-Ring
9 Valve Spring

10 Valve Retainer

11 Valve Assembly

12 Cap Screws (2)
13 Nuts and Washers (2)
14 Lock Washers (2)
15 Bracket
16 Cap Screws (2)
17 O-Ring
18 O-Ring

Key Description

19 Relay Piston
20 Piston Spring (if used)
21 O-Ring
22 Retaining Ring
23 Check Valve*
24 O-Ring
25 Inlet Seat*
26 Check Valve Seat
27 O-Ring
28 Check Valve
29 Spring Seat
30 Spring
31 Inlet Seat
32 O-Ring
33 O-Ring
34 O-Ring
35 Alternate Plug*
36 Bolts (2)

* Note: For new style ATR-1

 valves either both

items 23 - 25, or item 35 will be present.

4

3

5

6

7

8

9

10

11

18

19

21

20

35

22

14

13

17

2

1

16

34

Assembly

of items

29-35

12

15

Содержание ATR-1 ANTILOCK TRACTION RELAY

Страница 1: ...h attached antilock controller is normally mounted near the service brakes it serves A mounting bracket furnished with the valve permits either frame or cross member mounting All air connections on th...

Страница 2: ...valve s service port and is conducted to the single check valve The check valve diaphragm flexes in response to application pressure and seals the passage to the open exhaust of the traction solenoid...

Страница 3: ...ves slightly allowing the inlet valve to return to its seat The exhaust valve remains closed With both the inlet and exhaust valves closed air pressure in the brake chambers is held stable and neither...

Страница 4: ...m the service brake chambers returns to theATR 1 valve and flows out the open exhaust TRACTION CONTROL SERVICE APPLICATION FIGURE 7 GENERAL While under the control of an antilock traction controller t...

Страница 5: ...CK TRACTION ASSY MODULATOR MODULATOR MODULATOR REAR AXLE BRAKE REAR AXLE BRAKE EXCITER SPEED SENSOR EXCITER SPEED SENSOR MODULATOR BRAKE CHAMBER ENGINE CONTROL MODULE ECM TRACTION SWITCH ANTILOCK DASH...

Страница 6: ...00 OPERATING HOURS 1 Remove any accumulated contaminates and visually inspect the exterior for excessive corrosion and physical damage 2 Inspect all air lines connected to the ATR 1 valve for signs of...

Страница 7: ...fferential with the pressure specified for the ATR 1 valve s part number see the l D washer also for the differential NOTE ForATR 1 valves not incorporating a relay piston return spring 14 the measure...

Страница 8: ...and Washers 2 14 Lock Washers 2 15 Bracket 16 Cap Screws 2 17 O Ring 18 O Ring Key Description 19 Relay Piston 20 Piston Spring if used 21 O Ring 22 RetainingRing 23 Check Valve 24 O Ring 25 InletSea...

Страница 9: ...spring item 14 is not used in all valves 10 Remove the o ring 21 from the relay piston 19 11 Remove the retaining ring 22 Then depending on the internal configuration 12a Remove check valve seat 23 wi...

Страница 10: ...6 Install the inlet and exhaust valve return spring 9 in the body 4 7 Install the large and small diameter o rings 7 8 in the exhaust cover 6 then install the exhaust cover in the body 4 taking care n...

Страница 11: ...11 NOTES...

Страница 12: ...12 BW1794 2004 Bendix Commercial Vehicle Systems LLC 10 2004 Printed in U S A All rights reserved...

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