COLLAR 2M7072 - Caterpillar

1. Turn the disconnect switch to the OFF position.2. Mark or identify all electrical wires for installation purposes. Disconnect three wires (1) from alternator.3. Loosen bolts (2) and (3), rotate the alternator towards the engine.4. Remove two belts (4).5. Remove bolts (2) and (3) and remove alternator. If the alternator pulley was removed, apply 9S-3263 Thread Lockon the threads and tighten the alternator pulley nut to a torque of 50 5 N m (37 4 lb ft). When installing the alternator, the alternator pulley must be aligned with the crankshaft pulley within 2.4 mm (0.09 in). For installation of the alternator, reverse the removal steps. Adjust belt tension as required.