General Information
Reference: For testing and adjusting of the hydraulic system, refer to Testing and Adjusting, " 312C and 312C L Excavators Hydraulic System".
Reference: For systems operation of the electronic control unit and electronic system, refer to Systems Operation/Testing and Adjusting, " 312C and 312C L Excavators Engine and Pump Control".
Reference: For more information on specifications, refer to Specifications, " 312C and 312C L Excavators Machine System Specifications".
Reference: For more information on the hydraulic schematics, refer to Schematic, " 312C and 312C L Excavators Hydraulic System".
Reference: For more information on electrical schematics, refer to Schematic, " 312C and 312C L Excavators Electrical System".
Caterpillar Information System:
2001/11/12 Correction to Disassembly and Assembly , "Counterweight" {7050, 7056}
385B and 5090B Excavators Excavator Systems Gear Pump (Pilot) - Disassemble
330C Forest Machine Machine System Specifications Control Valve (Main)
330C Excavator Tool Control System System 11: Relief Valve (Line) - Test and Adjust - Auxiliary Control Valve
2001/11/19 A New Edition of the Special Publication, SEBD0640, "Oil and Your Engine" is Available {1348}
385B Excavator Boom/Stick/Bucket Combinations
330D, 336D, 336D2, 340D and 340D2 Excavators Machine System Specifications Stick Lines
330D, 336D, 336D2, 340D and 340D2 Excavators Machine System Specifications Stick Lines
M318C Excavator Hydraulic System Solenoid Valve (Swing Pump Proportional Relief) - Test and Adjust
305 CR Mini Hydraulic Excavator Hydraulic System Final Drive
M318C Excavator Hydraulic System Accumulator (Wheel Brake Charge Pressure) - Test and Adjust
M318C Excavator Hydraulic System Transmission (Parking Brake Reserve Pressure) - Test and Adjust
M318C Excavator Hydraulic System Brake Control Valve (Service) - Adjust
385B Excavator Machine System Specifications Control Valve (Main)
330C Excavator Machine System Specifications Pump Coupling
S440, S465 and S490 Shear Specifications
M318C Excavator Hydraulic System Control Valve (Boom Lowering) - Test and Adjust
3126B Engine for Caterpillar Built Machines Injector Solenoid Circuit - Test
M318C Excavator Hydraulic System Control Valve (Stick Lowering) - Test and Adjust
385B Excavator Hydraulic System Margin Pressure - Test and Adjust
325D and 329D Excavators Machine System Specifications Pilot Valve
385B Excavator Hydraulic System Main Pump (Flow) - Test - Constant Horsepower Flow Control
385B Excavator Hydraulic System Pump Control (Output Flow) - Adjust
385B Excavator Hydraulic System Piston Pump (Swing) - Test - Constant Horsepower Flow Control