Siemens SIMOTICS FD 1MQ1, Operating And Installation Instructions

Page: 125 / 182

9.1.5 General inspection
Check that the installation conditions are observed. We recommend that the following checks
are performed after approx. 16 000 operating hours or at the latest after two years:
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 (Page 98) X
The smooth running characteristics and machine running noise have not
deteriorated
X
The motor foundation has no cracks and 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
All the potential connections, grounding connections and shield supports are
correctly seated and properly bonded
X
The winding insulation resistances are sufficiently high X
Any bearing insulation is fitted as shown on the plates and labels X
The CABLES and insulating parts and components are in good condition and
there is no evidence of discoloring
X
(*) You can perform these checks while the motor is at standstill or, if required, while running.
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 98)
9.1.6 Servicing and maintaining the anti-condensation heating
The anti-condensation heating is maintenance-free. If it is defective, contact the Service Center
(Page 171).
9.1.7 Assessing the roller bearings
To assess the roller bearings, it is generally not necessary to dismantle the machines. The
motor only has to be dismantled if the bearings are to be replaced.
Maintenance
9.1 Inspection and maintenance
SIMOTICS FD 1MQ1
Operating Instructions 01/2019
125