That
Is the carbon brush housing. Leave the housing in. If you have a soldering iron put the soldering iron where it's soldered on and the wire will come loose.
I'd take degreaer spray it in the housing and all the parts and power spray everything.
Make sure to shoe reassembly pics because my model 98 is exactly like yours and I've not got to the restore yet.
Is the carbon brush housing. Leave the housing in. If you have a soldering iron put the soldering iron where it's soldered on and the wire will come loose.
I'd take degreaer spray it in the housing and all the parts and power spray everything.
Make sure to shoe reassembly pics because my model 98 is exactly like yours and I've not got to the restore yet.