Maintenance Of The Cooling Hoses; Maintenance Of The Pumps - Siemens SINAMICS S120 Manual
Cabinet modules liquid-cooled
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Also See for SINAMICS S120:
- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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Maintenance and servicing
7.4 Maintenance of the cooling circuit
Note
Coolant can escape when the filter is opened!
Observe the relevant safety notes of the coolant manufacturer.
Note
After checking the filter, the bypass valve must be closed again so that the coolant flows
again through the filter.
7.4.4
Maintenance of the cooling hoses
The coolant hoses must be inspected in regular intervals (approximately every three months)
for tears and leakages. If there are any leakages at the hose joints, the flat seal may need to
be replaced.
Irrespective of these inspections, all EPDM hoses should be replaced after around six years.
Note
Coolant can escape when the coolant hoses are disassembled!
Observe the relevant safety notes of the coolant manufacturer.
7.4.5
Maintenance of the pumps
The pumps should be inspected in regular intervals for smooth running, leakages and normal
housing temperatures.
Irrespective of these inspections, the slide ring seal of the pumps should be replaced every
two years.
Note
Before starting any maintenance work on the pump, close the ball valves before and after
the pump.
Note
Coolant can escape when the pumps are disassembled!
Observe the relevant safety notes of the coolant manufacturer.
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Cabinet Modules liquid cooled
Manual, 10/2015, A5E37067587A
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