WABCO iABS 2S/1M Standard Maintenance Manual page 146

Troubleshooting
Fig. 9.4
LIFT AXLE CONTROL VALVE, P/N 463 084 050 0
Fig. 9.5
3/8-18 NPTF
1-1/8 HEX
146
4
1
2
1.1
1.2
PRESSURE SWITCH, P/N 431 700 002 0
4012470a
1
3
2
NORMALLY
CLOSED
4012471a