GENERATOR Removal 1 Disconnect ground cable from battery 2 Disconnect the armature and field terminal wires from the generator fig 8 15 3 Loosen idler pulley on belt to permit removal of belt from generator pulley 4 Remove three bolts securing generator to engine a T F v I j i s l1 i Fig 8 14 Generator Installation Brush Replacement If brushes are worn to their original length they should be replaced 1 Place generator in a bench vise 2 Remove the two through bolts and the commutator end frame assembly 3 Remove the armature and drive end assembly as a unit from the generator fig 8 15 4 Remove the brush lead wire screws fig 8 16 5 Install new brushes reassemble the generator 1 4 1 41 Fig 8 15 Removing End Frame and Armature from Generator and install to engine as described under Installation NOTE If tests are required immediately after the installation of new brushes the brushes should be seated to the commutator by using a brush seating paste on the commutator The soft abrasive meterial of the paste will be carried under the brushes and wear the brush faces to the commutator in a few seconds Blow all dust from the generator This will insure accurate readings If immediate tests are not required allow the brushes to seat themselves This will take about 10 hours of operation v C a zh v f k Fig 8 16 Removing Brush Leads Disassembly Refer to Figure 8 17 for an exploded view of the generator 1 Place the generator in a bench vise Use the vise as a holding fixture only being careful not to pinch the generator frame 2 Remove nut and lockwasher at drive end then slide pulley and fan off armature shaft and remove key NOTE It is important to remember that the nut on the end of the shaft has a left hand thread 3 Remove the two through bolts and lockwashers and remove the commutator end frame 4 Remove the drive end frame and armature assembly fig 8 15 CORVAIR SHOP MANUAL