TUBE 3182487 - Caterpillar

1. Open the access door over the engine on the left side of the machine. Remove the lower panel.2. Disconnect electric wires (3) and (4) from the alternator.3. Loosen bolt (1) and the bolt that holds the alternator to bracket (5). Remove vee belts (2) from the alternator pulley.4. Remove bolt (1) and the bolt and nut that hold the alternator to bracket (5) to remove the alternator from the engine.Install Alternator
1. If a new pulley has been installed on the alternator shaft, tighten the nut that holds it to the correct torque given in SPECIFICATIONS.2. Put the alternator in position and install the bolts and nut to hold it hand tight.3. Put vee belts in position on the alternator pulley.4. Use a belt tension gauge such as Borroughs Tool Company Part No. BT-33-72C or an equivalent and make an adjustment of vee belts (1). Measure the belt nearest the radiator. Tighten new belts until the gauge indication is 120 5. Tighten the bolts that hold the alternator in position. Operate the engine at high idle for a minimum of 30 minutes after Step 5. Make another adjustment of the belt tension. The correct gauge indication for used belts is 90 10.5. Connect electric wires (2) and (3) to the alternator. Tighten the terminal nuts to the torque given in SPECIFICATIONS.6. Install the lower panel and close the access door over the engine.