CAP 5453520 - Caterpillar

Removal Procedure
Start By:
Remove the V-belts. Refer to Disassembly and Assembly, "V-belts - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Turn the battery disconnect switch to the OFF position.
Illustration 1 g02711217
Make temporary identification marks on the connections of the harness assembly. Disconnect the harness assembly from alternator (2).
Remove bolt and washer (6) from alternator (4).
Remove nut (7) and remove bolt (8) from bracket (9).
Remove bracket (9).
Remove nut (1) and remove bolt (3) from alternator (2). Note: Support the alternator as the bolt is removed.
Remove alternator (2) from the bracket for the alternator.
If necessary, follow Step 8.a through Step 8.b in order to remove the pulley from the alternator. Note: This method may not be suitable for some configurations of pulley.
Hold the shaft of alternator (2) with an allen wrench. Use a cranked ring spanner in order to loosen nut (5) (not shown).
Remove nut (5) (not shown) and pulley (4) from alternator (2).
Illustration 2 g02711220
If necessary, follow Step 9.a through Step 9.b in order to remove the bracket for the alternator from the cylinder head.
Remove bolts (10) from bracket (11).
Remove bracket (11) from the cylinder head. Note: Note the orientation of the bracket.