Bosch Rexroth WS290, Руководство по эксплуатации

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86/104 Bosch Rexroth AG Hydraulics training system WS290 | RE 00225-B/2.15
Maintenance works

To all underlined tests the following applies:

Check with activated hydraulic power unit as otherwise, the test cannot be
carried out.

To all tests which are not underlined the following applies:

Check only with de-energized device in order to avoid unintended switch-on
and/or start-up.

If the WS290 training system is stopped, the following applies:

Promptly tighten any loose connections such as screws, nuts, pins
or terminals.
When? What? Where? Comments
Weekly Hydraulic hoses Check the compliance with
replacement periods. Replace/exchange:
6 years after date of production
at the latest
Oil medium
Check the compliance with
replacement periods. Replace/exchange:
See manufacturer’s specification
Hydraulic pressure limitation Checking the operating
pressure:
Max. 55 bar
Min. 45 bar Pressure measurement
Check the zero stroke control
(See chapter 9.5.6.1)
Hydraulic power unit
Constant pressure system:
Check circulation pressure:
Max. 12 bar
Min. 5 bar
Load-sensing system:
Check standby pressure
15 bar Pressure measurement
Check the circulation operation
(See chapter 9.5.7)
Overall training system Check the electric connection
cables and lines for visible
damage (abrasions, cracks,
cuts). Promptly have any damage
remedied by a specialized electrician
Protective motor switch hydraulic
power unit Check all functions:
Protective switch
ON/OFF switch Where appropriate, arrange for the defective
parts to be exchanged
Exchange by a specialized electrician only
Control box Check all functions:
Fuses, FI circuit breaker
Sockets
Buttons Where appropriate, arrange for the defective
parts to be exchanged
Exchange by a specialized electrician only
Monthly
or
if required 24 V power supply units Check all functions:
Connection cable
ON/OFF switch
24 V transformer, voltage OK? Where appropriate, arrange for the defective
parts to be exchanged
Exchange by a specialized electrician only
According to
the
operational
rule The entire electric installation Protective earthing conductor
test valid?
Labeling available? Test performed by a specialized
electrician only