Brake Piping Layout; 3-Axle Semi Trailer, Side By Side - BPW ECO Tronic EBS Operating And Installation Instructions

4 Piping

4.2 Brake piping layout

4.2.1 2M, 3-axle semi trailer, side by side
Emergency
1
1
1
2
Service
1 = Item
1 = Port
Fig. 87 : 2M - 3-axle semi trailer with Trailer Control Module and spring brake chambers
Item Description
1 Emergency coupling with integrated fi lter
2 Service coupling with integrated fi lter
3 Trailer Control Module (TrCM)
4 Air reservoir - brake
5 Drain valve
6 Test point
7 Modulator
8 Spring brake chamber
9 Single diaphragm brake chamber
10 Test point
11 Suspension air bags (bellows)
50
4
3
1
23
1-2
24 AUX
22
21
25
4
6
9
1
22
22
23
22
11
5
9
Notes
8
11 12
6
4
7
41
23
21
21
23
21
23
1
11 12
8
8
11 12
10
11
6
6
11 12
8