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Complete workshop & service manual with electrical wiring diagrams for Caterpillar D6K2 Track-Type Tractors. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
This Caterpillar D6K2 Track-Type Tractors service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.
MANUAL LIST:
UENR0067 – Disassembly & Assembly (D6K2 Track-Type Tractor Power Train)
UENR0069 – Schematic (D6K2 Track-Type Tractor Hydraulic System)
UENR0070 – Specifications (D6K2 Track-Type Tractor Systems)
UENR0070 – Systems Operation (D6K2 Track-Type Tractor Systems)
UENR0070 – Testing & Adjusting (D6K2 Track-Type Tractor Systems)
UENR0071 – Disassembly & Assembly (D6K2 Track-Type Tractor Machine Systems)
UENR1398 – Disassembly & Assembly (D6K2 Track-Type Tractor Engine Supplement)
UENR1399 – Schematic (D6K2 Track-Type Tractor Electrical System)
UENR1730 – Systems Operation (D6K2 Track-Type Tractor Monitoring System)
UENR1730 – Testing & Adjusting (D6K2 Track-Type Tractor Monitoring System)
UENR1731 – Troubleshooting (D6K2 Track-Type Tractor Electrohydraulic System)
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EXCERPT:
ECM (56) sends the following signals to proportional solenoid valve (20) of piston pump (12) .
A signal with a solenoid duty cycle of less than initialization current is sent to the reverse solenoid of proportional solenoid valve (20) .
A signal with a solenoid duty cycle of less than initialization current is sent to the forward solenoid of the proportional solenoid valve (20) .
As a result of the signals to the solenoids of the piston motors, the piston motors remain at the maximum displacements. As a result of the signals to the solenoids of piston pump (12), pilot oil in line (44) flows to proportional solenoid valve (20). The oil flows through the proportional solenoid valve (20) to passage (43) to the pump case drain. Since the pressure in passage (45) is equal to the pressure in passage (50), the springs on each side of actuator piston (18) centers actuator piston (18) and the swashplate for piston pump (12) remains at zero angle. As a result of the signals to the solenoids of piston pump (17), pilot oil in line (47) flows to proportional solenoid valve (21). The oil flows through proportional solenoid valve (21) to passage (49) to the pump case drain. Since the pressure in passage (48) is equal to the pressure in passage (46), the springs on each side of actuator piston (19) centers actuator piston (19) and the swashplate for piston pump (17) remains at zero angle. Since the piston pumps are at zero angle, both loops of the hydrostatic system are in a hydraulic lock and the machine does not move.
The ECM (56) receives feedback from speed sensors (4) and (55) on track speed, and sensors (73), (74), (75), and (76) .
Forward Travel
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