Citytrac 4200
Citymaster 1200
Citycleaner
Service Documents
For internal use only
Status
March 2009
Page
45 of 108
Differential locking valve
Possible faults
Possible causes
Diff. locking valve does not switch on
No power at the solenoid (coil: approx. 5.7
Ω
)
Feed pressure too low or not provided
Aperture in connection X is blocked
Series piston jams
O–ring on series piston is defect
Valve switches – pump is pressurised
Consumer is blocked (wheel stands still)
Divider piston jammed
Aperture bore in divider piston blocked