FILM-DASH 1268814 - Caterpillar

Illustration 9 g00627832
Remove the 3 screws and insulators (18). Disconnect wire (19) .
If the "R" terminal is used, remove the following components: nut (20), lead (21), the washer and terminal (21) .
Illustration 10 g00627840
Remove screw (23) and remove diode trio (24) .
Remove the nut and washer (25). Remove insulator (26). Remove alternator output terminal (27) .
Remove separator (28) .
Illustration 11 g00627853
Note: Many of the alternator's internal components are covered with dielectric grease. If the grease is removed, reapply the grease.
Illustration 12 g00627855
Remove the heat sink and diode assembly (12) from housing (14). Insulator (29) may be stuck to heat sink (12) .
Illustration 13 g00628035
Note: Do not damage exposed stator windings or field windings. Bumping the windings or scraping the windings may break the insulation. Broken insulation may create a short circuit or a ground.
Remove 4 bolts (30). Carefully separate housing (31) from housing (14) .
Illustration 14 g00628037
Pull apart stator (32) and housing (14). Guide the stator leads and the grommet through the hole as the stator is removed from housing (14) .
Illustration 15 g00628041
Remove 3 screws (33). Remove the coil and support (34) from housing (14). Guide the field leads and the grommet through the hole as the coil is removed from housing (14) .
Illustration 16 g00628043
Position a small screwdriver in slot (35). Pry cap (36) from housing (14) .
Illustration 17 g00628057
Note: Do not strike the bearing. Shocks from striking the housing can cause damage.
Wipe the excess grease from the bearing well. Press bearing (37) into the housing. Remove the inner race.
Illustration 18 g00628063
Remove 4 screws (38) from housing (31) .
Lift rotor (39) and bearing (40) from housing (31) .
Illustration 19 g00628067
Pull bearing (40) from rotor (39) .
Pull retainer (41) from rotor (39) .
Pull collar (42) from rotor (39) .
Illustration 20 g00628068
Note: Do not strike the bushing. Shocks from striking the housing can cause damage.
Press bushing (43) from housing (14) .Note: Do not strike the diodes. The shock of such an impact can damage the diodes. Use proper tools in order to press or pull the diodes from the mountings. As much as 890 N (200 lb) of force may be needed to remove a diode.
Remove 3 diodes (13) from housing (14) .
Illustration 21 g00628072
Remove diode (11) from heat sink (12) .