Fayat Bomag BW 900-50 Service Manual page 142

Fig. 155
Hydraulic system – Inspection and maintenance work
NOTICE!
The hydraulic oil must also be changed after major
repairs in the hydraulic system.
Perform the oil change when the hydraulic oil is
warm.
Replace the hydraulic oil filter elements with every
hydraulic oil change.
Change the filter only after the hydraulic oil change
and after the test run.
Clean the area round hydraulic oil tank, filler
opening and breather filter.
Do not start the engine after draining the hydraulic
oil.
Do not use any detergents to clean the system.
For quality and quantity of oil refer to the "table of
fuels and lubricants".
When changing from mineral oil based hydraulic oil
to an ester based biologically degradable oil, you
should consult the lubrication oil service of the oil
manufacturer for details.
ENVIRONMENT!
Catch running out oil and dispose of environmen-
tally.
1. Drive the machine, until the hydraulic oil has reached oper-
ating temperature.
1. Shut down the engine.
1. Remove the cap from the hydraulic oil tank Ä Fig. 155.
BW 900-50 145