Method for setting up carbon on commutator in electrical universal motor, involves inserting carbon

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The invention relates to first a method for mounting a coal (6), a commutator associated with (5) in an electro-universal motor, wherein the coal (6) into a [...] open on the motor side (7) is inserted and with a is at the [...] (7) on the side facing away from compression spring supported (1) against the commutator (5) is pressed. To indicate a method of the kind referred to, having a convenient assembly of the coal allows for handling-technically, it is proposed that the spring (1) first of all resolvable into the guide supported biased (7) is inserted and that thereafter the holder is repealed. Continue the invention relates to a spring (1) such as a spiral or helical spring. To such a spring is supported is biased is proposed to specify, in rare handling-technically favourable as transport and mounting, that the spring (1) dissolvable.