Volvo ECS - Page 142

142
ECS Gen. 2
1
2
3
4 4
4
Y25
21
22
23
3
1
56
56
PORT NUMBERS
1. Air supply from wet tank
3. Exhaust
21. To LH drive axle bellows
22. To RH drive axle bellows
23.
Y25. Solenoid valve - drive axle
Y29. Solenoid valve - trailing/pusher
axle/axle lift
56. Air bellows - drive axle
57. Air bellows - trailing/pusher axle
58. Air bellows - axle lift
PIN NUMBERS
1. Control
2. Air bellows - trailing/
pusher
3. Air bellows - axle lift
4. Earth
+24+24
+24