Hydraulics training system WS290 | RE 00225-B/12.15
Bosch Rexroth AG 85/104
Maintenance works
13.2
Maintenance schedule
In the table below, the works are arranged, initially by maintenance interval
and then by assemblies/parts. The intervals have to be complied with.
Table 12:
Maintenance schedule for WS290 training system
When?
What?
Where?
Comments
Daily/prior to
any use
EMERGENCY OFF pushbutton
Check the function.
Effects when pressing the
button
No start-up when interlocked
In the event of a malfunction:
Stop the system
Inform specialized electrician
Oil tank
Check filling level:
Above MIN?
Below MAX?
In case of low filling level:
Refill hydraulic fluid up to the MAX marking
Oil grade: According to DIN 51519 HLP VG22
Oil tank in the measuring glass
Check condition of the hydraulic
fluid:
No turbidity?
No black coloring?
No acid smell?
Exchange hydraulic fluid in case of:
Turbidity, black coloring, acid smell
Return flow filter
Check filter contamination:
Color sector of the pressure
gauge display green/yellow/red.
In case the display is in the YELLOW range:
Exchange filter element
Clean oil
In case the display is in the RED range:
Exchange filter element
Exchange the oil
When exchanging filters, only use original
spare parts!
Fittings
Check for externally visible
damage:
Breaks on pressure gauges?
At protective screws?
Have them replaced immediately
in case of damage!
Inform the Bosch Rexroth service.
Hydraulic power unit
Running smoothness of motor
and pump:
Noises?
Vibrations?
In case of irregularities:
Inform the Bosch Rexroth service.
Hydraulic lines, hydraulic hoses
Check all lines, hoses and
fittings for leakage and
externally visible damage!
Hydraulic hoses must be
immediately exchanged, if:
The exterior is damaged (abrasive points,
cuts, cracks, embrittlement).
They are deformed in the pressurized or
depressurized condition, if the hydraulic
hose lines do not have their natural forms.
Leakages.