9.
Connect a 60 bar pressure gauge
pressure test port and run the engine max. 15 seconds at idle
speed.
10.
Wait for approx. 30 seconds and keep repeating this proce-
dure until the gauge shows a constant charge pressure
reading.
11.
NOTICE!
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.
WARNING!
Only run the engine with idle speed.
12.
Start the engine.
13.
Fig. 152 approx. 1/3 to forward direc-
tion.
14.
After approx. 1 to 2 minutes shut down the engine for a
minute.
ð
This waiting time is necessary to allow air
bubbles to escape through the leak oil
return line.
15.
After a waiting time of approx. 1 minute keep repeating this
procedure, until the indicated charge pressure drops directly
to zero when shutting down the engine.
Fig. 151
Fig. 152
Hydraulic system – Flushing and bleeding
BW 900-50
142
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