Seal The Motor - Siemens SIMOTICS 1PQ8 Operating Instructions Manual

9.2.2

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
If you are installing covers that are sealed with liquid gasket, proceed as follows to maintain
the IP degree of protection of the machine before closing it again:
1. Use only approved liquid sealants.
2. Clean the sealing surfaces according to the technical data sheet of the liquid gasket. The
3. Apply the liquid gasket as a continuous bead with a diameter of approx. 3 mm.
4. Assemble the components after venting the solvent, if necessary while maintaining a
5. Retighten the fixing screws of the cover after a few minutes after the liquid gasket has set.
Note
Service Center
If you have any questions, contact the Service Center.
See also
Service and Support (Page 155)
SIMOTICS TN Series N-compact 1PQ8
Operating Instructions 11/2018
etc., and remove old sealant material.
as "Hylomar M". Follow the manufacturer's application and safety instructions when doing
this.
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).
sealing surfaces must be clean and dry before reassembly.
restriction on the assembly time.
Maintenance
9.2 Corrective Maintenance
123