Every 2000 operating hours
BOMAG
63
BW 900-2
Every 20 00 operating hours
5.23 Changing the hydraulic oil
!
Danger
Danger of scalding!
Danger of scalding by hot hydraulic oil.
!
Caution
Do not start the engine after draining the hy-
draulic oil. Never run pumps without oil.
Environment
Environmental damage
Catch and dispose of old oil environmentally.
i
Note
Apart from the normal oil change intervals, the hy-
draulic oil must also be changed after major re-
pairs in the hydraulic system.
Change the hydraulic oil filter with every hydraulic
oil change (see next chapter).
See also chapter 5.1 "Notes on the hydraulic sys-
tem".
l Drive the machine until the hydraulic oil has
reached operating temperature.
l Clean the area around the fuel filler neck.
l Remove the filler cap.
Fig. 98
l Unscrew the leak oil line from the vibration mo-
tor and catch the old oil (Fig. 98).
l Connect the leak oil hose again.
Fig. 99
i
Note
We recommend to use a filtering unit with fine filter
to fill in hydraulic oil.
For quality and quantity of oil refer to the table
of "fuels and lubricants".
l Fill in new hydraulic oil (Fig. 99).
l Do not remove the screen filter during this
process.
l Attach the filler cap.
l Check the hydraulic oil level on the dipstick.
l Perform a test run and check the system for
leaks.
Bleeding the hydraulic system
l Run the engine max. 3 minutes with low
speed, the hydraulic system will be bled during
this time.
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