Siemens SIMOTICS T-1FW6 - The Inspection and Change Intervals for the Coolant

Mechanical properties
3.5 Service and inspection intervals
1FW6 Built-in torque motors
Configuration Manual, 07/2017, 6SN1197-0AE00-0BP9
69
3.5.4
The inspection and change intervals for the coolant
Test and replacement intervals of the cooling medium
The test and replacement intervals for the cooling medium should be agreed with the
manufacturers of the anti-corrosion agent and the cooling system.