DC motor - Siemens, s.r.o.
DC motor - Siemens, s.r.o.
DC motor - Siemens, s.r.o.
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9.3 Inspection checklist<br />
Inspection checklist<br />
Table 9-3 Inspection checklist<br />
Checklists, notes<br />
Service criteria ok Comments<br />
Operating hours<br />
Average load (armature current)<br />
Speed and direction of rotation<br />
Temperature of winding<br />
Temperature of cooling medium<br />
Temperatures of bearings<br />
Measurement of the commutator temperatures (immediately after<br />
opening the inspection window)<br />
Bearing housing vibrations, D-end, axial, radial, horizontal<br />
Bearing housing vibrations, N-end, axial, radial, horizontal<br />
Smooth running and running noises of the <strong>motor</strong><br />
Commutation behavior (spark note)<br />
Check leakproofness of bearings, and if appropriate cooler<br />
Alignment of the <strong>motor</strong><br />
Electrical and mechanical connections tight<br />
Bearing insulation ok, if available<br />
Measurement of the insulation resistance of the field winding<br />
Measurement of the insulation resistance of the armature circuit<br />
Check condition of the carbon brushes<br />
Check easy movement of the carbon brushes in the holder boxes<br />
Check length of the carbon brushes<br />
Brush holders correctly aligned and secured<br />
Check air gap between holder and commutator<br />
Easy movement of the brush pressure fingers<br />
Check condition of the commutator, brush contact face, skin formation<br />
Clean carbon dust off the <strong>motor</strong><br />
Regreasing of bearings<br />
Sealing of the <strong>motor</strong><br />
Replace or change filters, if fitted<br />
Clean the cooling-air passages<br />
Next recommended service date:<br />
Other comments:<br />
Date Name Signature<br />
[ID 581]<br />
SIEMENS AG T61160347010001 (DMHO V9)<br />
Operating instructions 1GG6286-0NA4.-1VV1-Z 9-3
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