Bomag BW 156 D-3 Service Manual page 119

No vibration (travel system OK)
Check magnetic
coil of vibration
valve Fig. V4
Voltage /
current OK ?
yes
Perform trouble
shooting in electric
system
Check the solenoid
valve, replace if
necessary
Trouble shooting single drum rollers generation 3
Check vibration
pressures
Charge pressure OK
Start pressure zero
Charge pr. / start
pressure too low
no Vibrationspumpe
prüfen
yes
Check flushing valve on
vibration motor,
Replace / repair the
vibration motor
Service Training
Fig. V1
Charge pressure OK
Start pressure too low
OK ?
Fig. V3
no
OK ?
Fig. V7
no
OK ?
yes
Check coupling on
vibration motor
Fig. V2
Replace / repair the
vibration pump
Treplace the
flushing valve
ETr 2