Air Suspension System Piping Layout; Air Suspension Levelling Valve, Colas; And Ilas - BPW ECO Tronic EBS Operating And Installation Instructions

Air suspension leveling valve, COLAS
1
4
22
AUX2
AUX1
1 = Item
1 = Port
Fig. 90 : 3-axle semi trailer, COLAS
Item Description
1 Air reservoir suspension
2 Drain valve
®
3 ILAS -E
4 Air suspension levelling valve
5 Lift cylinder
6 Test point
7 Modulator
8 Suspension air bags (bellows)
®
9 COLAS +

4.3 Air suspension system piping layout

1
2
21
3
1
22
11
21
5
7
41
®
+ with auto reset to ride (RtR), ILAS
®

+ and ILAS

8
12
8
®
-E, air suspension levelling valve
Notes
®
(if not integrated in COLAS +)
®
-E
8 8
1
9
11
21
22
6
8
8
53