4. Replace the corrosion protection.
5. Reattach the rotor shipping brace, if present.
6. Pack the machine again.
Protection against corrosion
If the machine is stored in dry conditions, then apply the subsequently listed anti-corrosion
● Storage up to six months:
● Storage for longer than six months:
● Inspect the machine regularly and apply an additional coating of corrosion protection if
Document all preservation measures taken so that they can be reversed before the machines
are put back into service.
The following chapter is relevant only to machines of series 1PQ8 or if the machine was ordered
for operation on the rectifier.
The order number shows whether the machine was ordered for operation with converter: the
9th digit of the order number features the letter "P" or "Q".
Converter operation of explosion-proof machines
The operation of the explosion-proof machine on the frequency converter is permitted, when
the specifications for the speed control range and torque characteristic are observed, and if
winding temperature monitoring is ensured via the integrated temperature sensors in
conjunction with a tripping unit.
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2014
Apply a coat of corrosion protective compound to all accessible bare metal parts such as
the exposed shaft extension, flange or machine feet.
Apply a coat of anti-corrosion compound which provides long-term protection, e.g.
Preparations for use
4.12 Converter operation