Komatsu Model D155AX-5 Service Repair Manual (70001 And Up) – SEBM016204 – PDF Download

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Komatsu Model D155AX-5 Service Repair Manual (70001 And Up) – SEBM016204

Sample Page From the Manual:

Komatsu Model D155AX-5 Service Repair Manual (70001 And Up) – SEBM016204

• The HSS system consists of an HSS controller, sensors, switches, solenoid valves, relays, and a monitor panel.
• The HSS controller receives input signals from each sensor and switch, and calculates them, then sends them to each solenoid valve and relay to control the HSS system. At the same time, the HSS controller communicates information with the monitor panel through the network circuit (S-NET).
• The steering potentiometer measures the quantity of operation of the joystick in the steering direction, and inputs analog signals to the HSS controller.
• The steering oil pressure sensor senses the operating pressure of both steering circuit, and inputs analog signals to the HSS controller.
• The work equipment circuit oil pressure sensor senses the operating pressure of the work equipment circuit, and inputs analog signals to the HSS controller.
• The HSS charge pressure sensor senses the oil pressure in the HSS charge circuit, and inputs ON/OFF signals to the HSS controller.
• The engine rotation sensor senses engine rotation, and inputs pulse signals to the HSS controller.
• The travel reverse sensing potentiometer senses the reverse position of the joystick, and inputs analog signals to the HSS controller.
• The backup alarm limit switch detects the reverse position of the directional lever of the transmission valve, and inputs ON/OFF signals to the HSS controller.
• The steering neutral position adjustment switch detects changes of the adjustment mode and working mode, and inputs ON/ OFF signals to the HSS controller.
• The HSS pump solenoid valve receives analog signals from the HSS controller, and controls the swash plate angle of the HSS pump.
• The backup alarm relay receives ON/OFF signals from the HSS controller, and changes the backup alarm circuit.
• The monitor panel communicates with the HSS controller through the network circuit (S-NET). Upon receiving an abnormality signal from the HSS controller, the monitor panel turns on the electric system caution lamp and alarm buzzer.

Table of Contents:

Komatsu Model D155AX-5 Service Repair Manual (70001 And Up) – SEBM016204

01 GENERAL …………………………………………………………………… 01-1
10 STRUCTURE AND FUNCTION……………………………………..10-1
20 TESTING AND ADJUSTING…………………………………………20-1
30 DISASSEMBLY AND ASSEMBLY………………………………… 30-1
40 MAINTENANCE STANDARD………………………………………..40-1
90 OTHERS …………………………………………………………………….. 90-1

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KOMATSU MODEL D155AX-5 SERVICE REPAIR MANUAL (70001 AND UP) – SEBM016204 – PDF DOWNLOAD:

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