Index B400 Operating Instructions And Maintenance Instructions page 72

68
Example: Hydraulic unit B400
a Filler neck (hydraulic fluid)
b Fill level indicator
c Accumulator drain valve
d Monitoring (level and temperature)
e Oil drain plug
f Electrical monitoring (contamination indicator)
g Pressure gauge (system pressure)
h Pressure accumulator
i Safety valve
j Electrical monitoring (system pressure)
X Hydraulic fluid filter (line filter)
Y Filter bell
Replace filter.
3. Unscrew the filter bell (Y).
4.
Dispose of the fluid in the filter bell (Y); do not refill into the
hydraulic tank.
Replace the filters (Z) of the hydraulic fluid filters (X). A different number of
hydraulic filters (X) may be installed, depending on the version. Unscrew filter
bell (Y), remove contaminated hydraulic fluid (oil sump) and used filter (Z) from
the filter bell (Y) and dispose of them according to environmental regulations.
5.
Only filters with retained particle sizes described in the fluid
plans must be used.
Maintenance Summary - 4.000 Operating hours
Maintenance Instructions
B400
DIE150EN - 05.06.2019