
D.C. Motor Maintenance Program
| Wipe off dust, dirt, oil, etc. | Monthly |
| Clean vent screens and fans | Quarterly |
| Lubricate bearings (if applicable) | Semi-annual |
| Vacuum or blow out interior | Semi-annual |
| Check commutator, brushes leads | Semi-annual |
| Check brush spring tension | Semi-annual |
| Test field coils | Semi-annual |
| Test armature windings | Semi-annual |
| Check electrical connections | Semi-annual |
