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NOTICE
Machine damage caused by foreign bodies
Foreign bodies such as dirt, tools or loose components, such as screws etc., can be left by
accident inside the machine after maintenance is performed. These can cause short circuits,
reduce the performance of the cooling system or increase noise in operation. They can also
damage the machine.
• When carrying out maintenance work, make sure that no foreign bodies are left in or on the
• Securely attach all loose parts again once you have completed the maintenance procedures.
• Carefully remove any dirt.
Note
Operating conditions and characteristics can vary widely. For this reason, only general intervals
for inspection and maintenance measures can be specified here.
9.3.2
Inspections in the event of faults
Natural disasters or unusual operating conditions, such as overloading or short circuit, are faults
that overload the machine electrically or mechanically.
Immediately perform an inspection after such faults.
Note
Inspection specifications
• Carefully comply with the relubrication intervals for rolling bearings that deviate from the
inspection intervals.
• When servicing a three-phase machine, it is generally not necessary to dismantle it. The
machine only has to be dismantled if the bearings are to be replaced.
9.3.3
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
Checking
The electrical parameters are maintained.
The permissible bearing and winding temperatures are not exceeded.
1PC134, 1PC136 crane motors SH 132 ... 315
Operating Instructions, 12/2023, A5E43212221A
machine.
Checks after assembly or repair
Maintenance
9.3 Inspection and maintenance
When the
At stand‐
motor is
still
running
X
X
85
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