ALTERNATOR GP-CHARGING 1123455 - Caterpillar

1. Disconnect wires (1) from the alternator.2. Loosen the nut on the belt tightener adjustment rod.3. Loosen the bolts that hold the alternator to the bracket.4. Move the alternator toward the engine and disconnect belt (2) from the alternator pulley.5. Remove bolt (3) and disconnect the belt tightener adjustment rod from the alternator.
View From Under Machine6. Remove two bolts (5) and alternator (4) from the engine.Install Alternator
View From Under Machine1. Put alternator (1) in position as shown and install the bolts that hold it. Do not tighten the bolts until the belt has been adjusted. 2. Install the belt tightener adjustment rod on the alternator with bolt (4).3. Install belt (3) on the pulley. Use tool (A) to measure the belt tension. Adjust the belt tension until the gauge reading for a new belt is 534 22 N (120 5 lb.). Adjust the belt tension until the gauge reading for a used belt is 400 44 N (90 10 lb.). A "used" belt is one which has more than 30 minutes of operation at rated engine speed. Tighten the nuts on the adjustment rod to a torque of 149 20 N m (110 15 lb.ft.). Tighten the bolts that hold the alternator to the mounting bracket.3. Connect wires (2) on the alternator.