T4 Alternator Drive System - Check
- Check the tension of the alternator drive belt. If the tension is off, adjust the tension.
- Check the nut on the alternator pulley. If the nut is loose, tighten the nut and retest the system.
- If all of the previous steps find no problems go to Testing and Adjusting, "T3 Charging System - Test" .
Caterpillar Information System:
3408E and 3412E Industrial Engines Unit Injector
836G Landfill Compactor and 834G Wheel Dozer Transmission Oil - Change
784C and 785C Off-Highway Trucks Machine Systems Traction Control Valve - Install
3406C Engines for Caterpillar Built Machines Accessory Drive
836G Landfill Compactor and 834G Wheel Dozer Lift Cylinder Upper Trunnion Bearing - Lubricate
836G Landfill Compactor and 834G Wheel Dozer Steering Cylinder Bearings - Lubricate
784C and 785C Off-Highway Trucks Machine Systems Traction Control Valve - Remove
69D, 769D , 773D, 773E, 776D, 777D, 784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Braking System Electronic Control Module (ECM)
773D, 773E, 775D and 775E Off-Highway Trucks Machine Systems Service and Parking Brake (Rear) - Remove
950G Wheel Loader and 962G Wheel Loader Electrohydraulic System Fan Drive Speed - Test and Adjust
773D, 773E, 775D and 775E Off-Highway Trucks Machine Systems Piston Pump (Steering) - Install
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Implement, Steering and Brake Hydraulic Systems Hitch Position Linkage Adjustment
836G Landfill Compactor and 834G Wheel Dozer Transmission Oil Level - Check
789C Off-Highway Truck/Tractor Air System and Brakes Relay Valve (Brake Air)
773D, 773E, 775D and 775E Off-Highway Trucks Machine Systems Service and Parking Brake (Rear) - Install
583R Pipelayer Power Train Final Drive, Steering Clutch and Brake - Install
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0041 FMI 04 Sensor Power Supply (8 DCV) Voltage Below Normal - Test
G3B, K3A and L3A Denso Alternators T5 Alternator Current - Test
3406C Engines for Caterpillar Built Machines Engine Support (Front)
793C and 793C XQ Off-Highway Truck Air System and Brakes Inverter Valve (Secondary Brake)
3408E and 3412E Engines for Caterpillar Built Machines Unit Injector Wiring
583R Pipelayer Power Train Final Drive, Steering Clutch, and Brakes - Separate
583R Pipelayer Power Train Final Drive, Steering Clutch, and Brakes - Connect
3406C Engines for Caterpillar Built Machines Engine Support (Rear)