Protecting The Cooling Water Circuit During Storage - Siemens SIMOTICS FD 1MN1 Operating Instructions Manual

Preparations for use
4.21 Storage
● Make sure that the storage conditions are such that condensation cannot form in the motor.
● If the machine is not sealed in plastic film, continually and slightly heat the machine, e.g. with
Storage for longer than three months
Lubricate the machine after every two years of storage.
1. Unpack the machine.
2. Remove the rotor shipping brace, if one is being used.
3. When stored for longer than two years, lubricate with twice the grease quantity in
4. Replace the corrosion protection.
5. Reattach the rotor shipping brace, if present.
6. Pack the machine again.
4.21.2

Protecting the cooling water circuit during storage

Anti-freeze protection
When supplied, the machine is not filled with cooling water, so that there is no risk of frost
damage.
Protecting the cooling circuit against corrosion
You protect the cooling circuit against corrosion when the machine has already been in
operation and is then placed in storage or put out of operation. Also observe the information in
the operating instructions supplied by the manufacturer of the cooler.
1. Completely drain the cooling ducts. To be completely certain, use compressed air to clean
2. Flush the cooling water ducts with a corrosion-protection emulsion to avoid the buildup of
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anti-condensation heating (if available), and ensure that the air circulates in the storage
room.
accordance with the lubricant plate. This ensures that the grease is evenly distributed and
covers all surfaces. Corrosion damage is avoided.
NOTICE
Damage to roller bearings
Roller bearings can be damaged when kept in the same or almost the same position.
Every three months, manually rotate the rotor through five revolutions. Make sure that the
resting position of the roller bearings after the rotor has been turned is different from what
it previously had been. Use the feather key as a reference point, if present.
the cooling water ducts so that they are completely empty.
rust.
SIMOTICS FD 1MN1
Operating Instructions 02/2019