Checklists
D.3 Inspection at standstill
D.3
Inspection at standstill
Table D-3
Items to inspect when machine is at standstill
Items to inspect when machine is at standstill
Commutator temperature measurement immediately after inspection opening has
been opened
Check on status of commutator, brush contact surface, oxide film formation
Check on air gap between support and commutator
Check on status of carbon brushes
Brush holder correctly aligned and fastened
Easy movement of brush pressure fingers
Check on length of carbon brushes
Check on easy movement of carbon in the support pockets
Alignment of machine
Electrical and mechanical connections securely tightened
If present, bearing insulation OK
Measurement of isolation resistance of field winding
Measurement of isolation resistance of armature circuit
Clean coal dust from machine
Cleaning the cooling passages
If heat exchanger is installed: filter change or filter cleaning
Check bearing seals
Operating hours
Sealing of machine
If heat exchanger is installed: Check heat exchanger seals
Next recommended inspection date:
Other remarks:
Date
124
Name
O.K.
Remarks
Signature
SIMOTICS DC 1GH7
Operating Instructions 02/2016