System Schematic
For an accurate representation of the machine that is being diagnosed, refer to the specific machine schematic. The latest version of the system schematic can be found on the Caterpillar® Service Information System (SIS) or in the normal literature distribution at your local Cat® dealer.
Caterpillar Information System:
336, 336 GC and 340 Excavator Systems Pump Control (Main Hydraulic) - Main Pump Regulator
MD6250 Rotary Drill Capacities (Refill)
D9T Track-Type Tractor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565} D9T Track-Type Tractor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565}
D9T Track-Type Tractor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565} D9T Track-Type Tractor TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565}
336, 336 GC and 340 Excavator Systems Main Hydraulic Pump
525D, 535D, 545D and 555D Wheel Skidders Machine Systems Arch Cylinder - Remove and Install
525D, 535D, 545D and 555D Wheel Skidders Machine Systems Pilot Oil Accumulator (Dead Engine Lower) - Remove and Install
973K Track-Type Loader Power Train Gear Pump (Charge) - Remove and Install
963K Track-Type Loader Machine Systems Electronic Control (Fan Hydraulic System)
963K Track-Type Loader Machine Systems Location of Components (Fan Hydraulic System)
C32 Marine Engines Expansion Tank (SCAC) - Remove and Install
525D, 535D, 545D and 555D Wheel Skidders Machine Systems Brake Control Valve (Service) - Remove and Install
New Water Pump Seal and Pumps Used on Certain 3500, G3500, and C175 Engines {1361, 7555} New Water Pump Seal and Pumps Used on Certain 3500, G3500, and C175 Engines {1361, 7555}
986K Wheel Loader Bucket Stops - Inspect/Replace
986K Wheel Loader Bucket Wear Plates - Inspect/Replace
D6 Track-Type Tractor Systems General Information (Hydraulic System)
320GC, 320 and 323 Excavators Machine Systems Bucket Cylinder - Remove and Install
330 GC and 330 Excavator Joystick Controls
A New Milling Process Has Improved the Cylinder Block Deck Surface Finish on Certain C15 and C18 Machine Engines {0677, 1201} A New Milling Process Has Improved the Cylinder Block Deck Surface Finish on Certain C15 and C18 Machine Engines {0677, 1201}
330 GC and 330 Excavator Declaration of Conformity
Track Joint Inspection and Lubrication Procedure Using 8T-3115 Lubricator Gp - Portable Track {0646, 4169, 4170} Track Joint Inspection and Lubrication Procedure Using 8T-3115 Lubricator Gp - Portable Track {0646, 4169, 4170}
Procedure to Reinforce the Front Frame Axle Pads Is Now Available for Certain 982M Medium Wheel Loaders {0679, 3268, 3278, 3282} Procedure to Reinforce the Front Frame Axle Pads Is Now Available for Certain 982M Medium Wheel Loaders {0679, 3268, 3278, 3282}
C32 Marine Engines Auxiliary Water Pump - Install
320GC, 320 and 323 Excavators Machine Systems Load Control Valve (Stick Cylinder) - Remove and Install