Starting Motor Does Not Rotate - Troubleshoot
Problem: The starting motor will not rotate.
Solution: Check that the following connectors and components are connected properly: battery, starting motor, starter relay, alternator circuit breaker, starter switch, right neutral start switch, left neutral start switch, neutral start relay, "E-C10", "A-C17", "E-C8", "A-C18", "A-C25" and "A-C26". If the problem still exists, use the following procedure to troubleshoot the system.
Show/hide table
Illustration 1 | g00869919 |
Show/hide table
Illustration 2 | g00870057 |
Show/hide table
Illustration 3 | g00870072 |
Show/hide table
Illustration 4 | g00869581 |
Caterpillar Information System:
365B, 365B Series II, 365BL, 385B and 5090B Excavators Machine Electronic Control System MID 039 - CID 1193 - FMI 13
321B LCR Excavator Engine Oil and Filter - Change
325C Excavator Machine Systems Fuel Tank - Remove
N3 Series Brushless Alternators Stator - Test
365B, 365B Series II, 365BL, 385B and 5090B Excavators Machine Electronic Control System MID 039 - CID 1166 - FMI 13
GH52,GH55,GH60 Hydraulic Excavator Forestry Grapples Swivel Leakage - Test
365B, 365B Series II, 365BL, 385B and 5090B Excavators Machine Electronic Control System MID 039 - CID 1165 - FMI 13
312C Excavator Machine Systems Stick Bearings and Seals - Install
303 CR Mini Hydraulic Excavator Fuel System Filter - Replace
385B and 5090B Excavators Excavator Systems Bucket Cylinder - Assemble
365B, 365B Series II, 365BL, 385B and 5090B Excavators Machine Electronic Control System MID 039 - CID 1159 - FMI 13
321B LCR Excavator Engine Oil Level - Check
365B, 365B Series II, 365BL, 385B and 5090B Excavators Machine Electronic Control System MID 039 - CID 1191 - FMI 07
321B LCR Excavator Fuel System Filter - Replace
311B, 312B, 315B, 318B, 320B, 322B, 325B, 330B, 345B, 345B Series II, 365B and 385B Excavators Air Conditioning and Heating System Capacities for Refrigerant (Excavators) - 311B-385B
314C CR Excavator Hydraulic System Gear Pump (Pilot)
308C CR Excavator Hydraulic System Travel Hydraulic System
GH52,GH55,GH60 Hydraulic Excavator Forestry Grapples Host Machine Pressure and Flow - Test
312C Excavator Machine Systems Stick - Remove
385B and 5090B Excavators Excavator Systems Boom Bearings and Seals - Remove
2002/05/27 A New Cover Assembly Is Available For Preventing the Accumulation of Debris in the Battery Compartment {1401}
321B LCR Excavator Fuel System Water Separator - Drain
321B Excavator Hydraulic System Cylinder Drift - Check - Loaded Bucket
303 CR Mini Hydraulic Excavator Hydraulic System Main Hydraulic Pump