This invention relates to a method of sealing brazed joints of a commutator riser and aramature coils of a DC motor. A method of sealing brazed joints of a commutator riser (9) and aramature coils of a DC motor (1), characterized by the steps of brazing armature conductors (11) to the comutator riser (9); brushing brazed riser joints with insulating varnish; sealing said brazed riser joints and gaps between joints and between face of riser joints and armature overhang with putty (12); curing the applied sealing in an oven; and covering said armature overhang and riser protion with resiglass bandage (8). BHEL HOUSE, SIRI FORT, NEW DELHI-110049 Delhi India BHARAT HEAVY ELECTRICALS LIMITED, 0804/DEL/2003 A 804/DEL/2003 INDIA 2009-03-20T11:39:36Z 2007-02-09 2003-06-13 319170 F28F 11/00 Not Applicable AGRAWAL S.P., GUPTA ARUN, 2311 0 303 NA NA 2007-02-09 0 3JANSsDs 2009-04-30T18:40:48Z 87255 AGRAWAL S.P., GUPTA ARUN 24 BHARAT HEAVY ELECTRICALS 804/DEL/2003 24140 2008-01-18 213745 BHARAT HEAVY ELECTRICALS LIMITED GBlKmfn