Komatsu HB335-1 HB335LC-1 HB365-1 HB365LC-1 Hybrid Hydraulic Excavator Shop Manual

Description

Komatsu HB335-1, HB335LC-1, HB365-1, HB365LC-1 Hybrid Hydraulic Excavator Shop Manual

This Komatsu HB335-1 HB335LC-1 HB365-1 HB365LC-1 Hybrid Hydraulic Excavator Shop Manual is a comprehensive 1,896-page technical document covering serial numbers 1001 and up. It provides complete service, repair, and diagnostic information for the hybrid hydraulic excavator platform, including detailed procedures for the engine, hybrid system, hydraulic circuits, electrical systems, undercarriage, and work equipment. Engine coverage is for the Komatsu SAA6D114E-5 diesel engine.

File Details

• Manual Type: Shop Manual (Service and Repair)
• Brand: Komatsu
• Models Covered: HB335-1, HB335LC-1, HB365-1, HB365LC-1
• Serial Numbers: 1001 and up
• Engine: Komatsu SAA6D114E-5 diesel engine
• Language: English
• Page Count: 1,896
• File Format: PDF
• Document Number: SEN06366-03
• Machine Type: Hybrid hydraulic excavator

Chapters Covered

• 00 Index and Foreword — Safety, general information, how to read the shop manual, maintenance standard terminology, fuel system handling, intake system handling, hydraulic equipment handling, push-pull coupler procedures, electrical equipment handling, electric wire codes, KOMTRAX, hybrid components and high-voltage wiring harness handling, standard tightening torque tables, abbreviations, conversion tables.
• 01 Specification — Specification drawings, working range drawings, specifications, weight tables, fuel/coolant/lubricant tables.
• 10 Structure and Function — Engine and cooling system (KVGT, EGR system, EGR valve, EGR cooler, cooling system), hybrid system (outline, configuration, protective functions, cooling system, interlock function, motor-generator, electric swing motor, electric control unit, high-voltage wiring harness, water pump), power train, undercarriage and frame, hydraulic system (CLSS, main pump, control valve, travel motor, PPC valve, solenoid valve, attachment circuit selector valve, center swivel joint, accumulator, work equipment), electrical system (control system, machine monitor, KOMTRAX, sensors).
• 20 Standard Value Tables — Standard service value table, engine standard values, machine standard values, performance measurement postures.
• 30 Testing and Adjusting — Tools, engine and cooling system testing, hybrid system testing, power train, undercarriage and frame, hydraulic system testing and adjustment, cab and attachments, electrical system special functions (monitor), PM clinic service.
• 40 Troubleshooting — Failure code troubleshooting, electrical system troubleshooting (E-mode), hydraulic and mechanical system troubleshooting (H-mode), engine troubleshooting (S-mode), hybrid system troubleshooting (Y-mode), connector layouts, fuse locations, failure code tables.
• 50 Disassembly and Assembly — Engine and cooling system, hybrid system, power train system, undercarriage and frame, hydraulic system, work equipment, cab and attachments, electrical system.
• 60 Maintenance Standard — Engine mount, cooling system, swing circle, swing machinery, final drive, sprocket, track frame, idler, track roller, carrier roller, track shoe, hydraulic tank, main pump, control valve, travel motor, PPC valve, solenoid valve, center swivel joint, work equipment and cylinders.
• 80 Appendix — Air conditioner components, refrigeration cycle, air conditioner unit, dual pressure switch, compressor, condenser, receiver drier, sensors, testing and troubleshooting.
• 90 Diagrams and Drawings — Hydraulic circuit diagram, electric circuit diagram, air conditioner unit electrical circuit diagram.

This Komatsu hybrid excavator shop manual gives technicians and workshops the complete factory service information for the HB335-1, HB335LC-1, HB365-1, and HB365LC-1 models. It covers the hybrid system with dedicated safety procedures for high-voltage components, capacitor discharge, motor-generator, electric swing motor, and inverter. The hydraulic section explains the CLSS (Closed-center Load Sensing System), main pump control, control valve operation, and travel motor functions. The troubleshooting chapters are organized by failure code, symptom, and system, with detailed diagnostic procedures for engine, electrical, hydraulic, and hybrid systems.

Whether you are performing a major overhaul, diagnosing a fault code, adjusting a hydraulic component, or servicing the hybrid cooling system, this manual provides the specifications, procedures, and values needed to complete the work correctly. The maintenance standard chapter provides wear limits, clearances, and repair criteria for critical components. The tightening torque tables and coating material lists help ensure correct reassembly.

With this Komatsu HB365-1 shop manual, you can confidently tackle repairs and maintenance on the hybrid excavator. Instant PDF delivery means you can start using the manual immediately on any device, and print the pages you need for the workshop.

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