Changing The Hydraulic Oil - Bomag BW 900-2 Operating Instructions Manual

Every 2000 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".
Drive the machine until the hydraulic oil has
l
reached operating temperature.
Clean the area around the fuel filler neck.
l
Remove the filler cap.
l
Fig. 98
Unscrew the leak oil line from the vibration mo-
l
tor and catch the old oil (Fig. 98).
Connect the leak oil hose again.
l
BW 900-2
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".
Fill in new hydraulic oil (Fig. 99).
l
Do not remove the screen filter during this
l
process.
Attach the filler cap.
l
Check the hydraulic oil level on the dipstick.
l
Perform a test run and check the system for
l
leaks.
Bleeding the hydraulic system
Run the engine max. 3 minutes with low
l
speed, the hydraulic system will be bled during
this time.
B O M A G
E v e r y 2 0 0 0 o p e r a t i n g h o u r s
6 3