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Seal The Motor - Siemens 1LA8 Operating & Installation Instructions Manual

Low-voltage motor simotics tn series n-compact.
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Rotor can fall down
Eyebolts in accordance with DIN 580 are unsuitable for suspending the rotor. The rotor can
fall off. This can result in death, serious injury or material damage.
Use lifting gear which is suitable for the rotor weight and direction of loading.
Machine damage caused by improper repair work
Improper servicing work can damage the machine. This can cause damages and/or faults
which can result in eventual or immediate death, serious injury, or property damage.
● Properly assemble or disassemble the machine.
● Use only suitable tools and equipment.
● Immediately replace damaged components.
● Contact the Service Center (Page 149), if necessary.
Rotor can fall out
If the motor is in a vertical position, the rotor can fall out while work is being performed on the
locating bearing. This can result in death, serious injury or damage.
● Support or unload the rotor when carrying out work with the machine in a vertical position.

Seal the motor

Extreme caution and attention to cleanliness are vital to installation.
● Clean all bare joints between parts such as housings, bearing shields and bearing bushes
● Smear bare joints between parts with non-hardening, permanently flexible sealant, such
● Check all sealing elements, such as those on the terminal boxes, for elasticity, aging or
Replace the seals if necessary with original parts or with tested sealing elements. The seals
must be fully bonded to the motor and the air intake housing. It is impermissible to have gaps
and holes where seals make contact.
● Surfaces whose mating faces are sealed using liquid sealant can be resealed by applying
● Surfaces whose mating faces are sealed using sealings that adhere to one side only can
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 08/2017
etc., and remove old sealant material.
as "Hylomar M". Follow the manufacturer's application and safety instructions when doing
damage, and renew them if they are no longer effective.
the original liquid sealant (Hylomar M).
be resealed with the original sealing using the original adhesives (Loctite).
9.2 Corrective Maintenance


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