TURBOCHARGER GP 1397741 - 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 disconnect switch to the OFF position.
Make temporary identification marks on the connections of the harness assembly.
Illustration 1 g01255718
Typical Example
Disconnect the harness assembly from alternator (1).
Remove bolt (6) from alternator (4).
Remove nut (1) and washer (2). Remove bolt (5) from alternator (4). Remove alternator (4) from alternator bracket (3).
If necessary, remove pulley (8) from alternator (4). Follow Steps 6.a and 6.b for the method 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 (4) with an allen wrench. Use a cranked ring spanner (box wrench) in order to loosen nut (7).
Remove nut (7) and pulley (8) from alternator (4).