PLATE AS 2488435 - Caterpillar

Probable Causes
Battery cables and/or batteries
Starting motor solenoid or starting circuit
Starting motor and/or flywheel ring gear
Electrical power supply
Internal engine problemRecommended Repairs
Battery Cables and/or Batteries
Inspect the main power switch, battery posts, and battery cables for loose connections and corrosion. If the battery cables are corroded, remove the battery cables and clean the battery cables. Tighten any loose connections.
Inspect the batteries.
Charge the batteries. Refer to Special Instruction, SEHS7633, "Battery Test Procedure".
Load test the batteries. Refer to Special Instruction, SEHS9249, "Use of 4C-4911 Battery Load Tester for 6, 8 and 12 Volt Lead Acid Batteries".Starting Motor Solenoid or Starting Circuit
Test the operation of the starting motor solenoid. Refer to Systems Operation/Testing and Adjusting, SENR4604, "Starting System".
Check the wiring to the starting motor solenoid.Starting Motor and/or Flywheel Ring Gear
Test the operation of the starting motor. Check the wiring for the starting motor. Refer to System Operation, SENR4604, "System Starting".
Inspect the starter motor pinion and the flywheel ring gear for damage.Check the operation of the starting motor. Check the system wiring for the starting motor. Electrical Power Supply
Check the electrical power supply. Refer to Troubleshooting, "Electrical Power Supply".Internal Engine Problem
Disassemble the engine. Refer to Disassembly and Assembly, SENR4605.
Inspect the internal components for the following conditions:
Seizure
Broken components
Bent components