Bleeding the travel circuit
BOMAG
121
008 921 86
9.5
8. Unlock the emergency stop switch
9. Connect a 60 bar pressure gauge (Fig. 5) to the
charge pressure test port and run the engine
max. 15 seconds at idle speed.
10. Pause for approx. 30 seconds and keep repeat-
ing this procedure, until the gauge shows a con-
stant charge pressure reading.
!
Caution
With the flushing filter installed shift the travel
lever only to travel direction forward, as oth-
erwise the flushing filter will be subjected to
oil flow from the wrong direction.
!
Danger
Only run the engine with idle speed.
11. Start the engine.
12. Shift the travel lever (Fig. 6) approx. 1/3 to for-
ward direction.
13. After approx. 1 to 2 minutes shut down the engine
for a minute.
i
Note
This waiting time is necessary to allow air bub-
bles to escape through the leak oil return line.
14. After a waiting time of approx. 1 minute keep re-
peating this procedure, until the indicated charge
pressure drops directly to zero when shutting
down the engine.
Fig. 4
Fig. 5
Fig. 6
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