- Check hydraulic system
Orientation
To ensure trouble-free operation, periodic checks of the oil level are necessary. The
fill level must be between the upper and lower marks on the oil sight glass.
Only use hydraulic fluid grade 15/13/10 in accordance with ISO 4406.
Viscosity other than 32 according to DIN ISO 3448 is not admissible.
For all work in connection with operating materials, the information in
the data sheets of the respective manufacturers and the information
in the document Notes on Operating Materials must be observed.
Example: Hydraulic unit G420
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)
k
Drain hose for hydraulic unit
X
Hydraulic fluid filter (line filter)
Y
Filter bell
Screws on the hydraulic system, the connected components, and the
supply lines must be tightened to the manufacturer's specified
torques.
Maintenance Summary - 4.000 Operating hours
110
Maintenance Instructions
G300.2 G320.2 G400.2 G420 G500.2 G520
DIE147EN - 17.08.2022