Date: Mon, 16 Feb 2004 19:50:24 +0100
From: "MH" <>
Subject: Re: 900 GL -85 generator question

> > ...Are brushes replaceable or should i look for used > > generator? yes, they come as a small block with an integrated voltage regulator, attached to the back of the alternator with two small screws. Try a Bosch service center for replacement.. > ...check the stator for grooves/pitting check the ROTOR for grooves How? after you removed the brush block, stick a finger in the hole and feel if there are two parallel grooves in the copper of the rotor. If there are deep grooves (> 1-2 mm) it is not worth replacing the brushes as they will wear rapidly. In this case replace the entire alternator for a new or rebuilt or salvaged one. --------- MH

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