ARM ASSEM. 6J7850 - Caterpillar

Removal Procedure
Personal injury can result from failure to disconnect the battery.First, disconnect the negative battery cable. Then, disconnect the positive battery cable.A positive power lead can cause sparks if the battery is not disconnected. Sparks can possibly result in battery explosion or fire.
Disconnect the batteries.
Remove the alternator belt.
Place identification marks on all of the harness assemblies.
Illustration 1 g06116692
Disconnect the harness assemblies from terminal (4) and terminal (5).
Remove bolt (3) and the harness assembly from alternator (2).
Remove bolts (1). Remove alternator (2).
If necessary, remove nut (6) and remove the pulley from the alternator.Installation Procedure
Illustration 2 g06116692
If necessary, install the pulley on alternator (2). Install nut (6). Tighten the nut to a torque of 127 10 N m (94 7 lb ft).
Position alternator (2) on the alternator mounting bracket. Install bolts (1).
Connect the harness assembly to alternator (2) and install bolt (3). Tighten the bolt to a torque of 4.4 1.0 N m (39 9 lb in).
Connect the harness assembly to terminal (5). Tighten the nut to a torque of 18 2 N m (13 2 lb ft).
Connect the harness assembly to terminal (4).
Install the alternator belt.
Connect the batteries.