BPW ECO Tronic EBS - 4.3 Air Suspension System Piping Layout

53
4.3 Air suspension system piping layout
Item Description Notes
1 Air reservoir suspension
2 Drain valve
3 ILAS
®
-E
4 Air suspension levelling valve
5 Lift cylinder
6 Test point (if not integrated in COLAS
®
+)
7 Modulator
8 Suspension air bags (bellows)
9 COLAS
®
+
Air suspension leveling valve, COLAS
®
+ and ILAS
®
-E
Fig. 90 : 3-axle semi trailer, COLAS
®
+ with auto reset to ride (RtR), ILAS
®
-E, air suspension levelling valve
1
= Item
1
= Port
1
2
4
8 8
6
41
8 8
8
8
7
9
12
22
1
11
21
21
AUX1
AUX2
3
1
21
22
11
5
1
22