9.1.4 First inspection after installation or repair
Perform the following checks after approximately 500 operating hours or at the latest six
months after commissioning:
Table 9-1 Checks after assembly or repair
Check When the
motor is
running
At stand‐
still
The stated electrical characteristics are being observed. X
The permissible bearing temperatures are not exceeded. X
The smooth running characteristics and machine running noise have not
deteriorated.
X
The motor foundation has no cracks and indentations. (*) X X
(*) You can perform these checks while the motor is running or at a standstill.
Additional tests may also be required according to the system-specific conditions.
NOTICE
Machine damage
When carrying out the inspection, if you detect any impermissible deviations from the normal
state, you must rectify them immediately. They may otherwise cause damage to the machine.
See also
Set values for monitoring the winding temperature (Page 91)
9.1.5 General inspection
Check that the installation conditions are observed. After approximately 16,000 operating
hours – or the latest after two years – we recommend that the following checks are performed:
Table 9-2 Checks that have to be performed during the general inspection
Checking When the
motor is
running
At stand‐
still
The electrical parameters are maintained X
The permissible bearing temperatures are not exceeded X
The smooth running characteristics and machine running noise have not
deteriorated
X
The foundation has no cracks or indentations. (*) X X
The machine is aligned within the permissible tolerance ranges. X
All the fixing bolts/screws for the mechanical and electrical connections have
been securely tightened
X
Maintenance
9.1 Inspection and maintenance
SIMOTICS TN Series N-compact 1LA8
108 Operating Instructions 08/2017
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