4.13.9 Protect the cooling water system of water-cooled motors
When the units are delivered, the high-grade steel cooling-water pipe system is not filled with
cooling water.
● When you put the motor into storage after use, drain the cooling water ducts and purge
with air to ensure that they are completely empty.
● For operation, add a maximum of 20 % to 30 % of an anti-freeze agent to the cooling water;
use Antrifrogen N or Tyfocor, for example, as the anti-freeze.
NOTICE
Frost damage to the cooling circuit
Damage may be caused to the cooling circuit if the cooling water freezes.
If the ambient temperature falls below 0 °C during operation add anti-freeze to the cooling
water.
4.13.10 Protection against corrosion
If the machine is stored in dry conditions, then apply the subsequently listed anti-corrosion
measures:
● Storage up to six months:
Apply a coat of corrosion protective compound to all accessible bare metal parts such as
the exposed shaft extension, flange or machine feet.
● Storage for longer than six months:
Apply a coat of long-term anti-corrosion agent to all accessible bare parts.
● Inspect the machine regularly and if necessary, apply an additional coating of corrosion
protection.
Document all preservation measures taken so that they can be reversed before the machines
are put back into service.
Preparations for use
4.13 Transport and storage
SIMOTICS M-1PH8 1PH818., 1PH822.
Operating Instructions 07/2016 45
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