Komatsu PC340, PC340LC-6K, PC340NLC-6K Excavator Service, Repair & Maintenance Manual PDF Download

Keep your Komatsu PC340 series excavator performing at its best with this factory-authorized service and repair manual. Covering the PC340, PC340LC-6K, and PC340NLC-6K models, this manual provides comprehensive guidance for maintaining, troubleshooting, and repairing every system of your machine.

Designed for operators, mechanics, and equipment owners, this manual ensures you have the right technical knowledge to handle any repair or maintenance task, from basic checks to major component overhauls.

Inside This Manual You Will Find:

1. Machine Overview & Specifications

• Technical data including dimensions, weight, capacities, and performance figures.

• Component locations for quick identification and easier repairs.

2. Safety and Operation Guidelines

• Detailed safety precautions to prevent accidents during servicing.

• Operating instructions for efficient and safe machine handling.

3. Engine and Powertrain Information

• Engine structure, fuel system layout, and cooling system diagrams.

• Transmission and final drive details for smooth operation and servicing.

4. Hydraulic System Schematics

• Detailed hydraulic circuit diagrams for boom, arm, bucket, and swing motor.

• Instructions for hydraulic pump testing, adjustment, and system bleeding.

5. Electrical System & Wiring Diagrams

• Complete wiring schematics with relays, fuses, and sensor locations.

• Step-by-step electrical troubleshooting for quick fault detection.

6. Disassembly, Inspection & Assembly Procedures

• Stepwise instructions for dismantling major components safely.

• Factory-approved reassembly sequences to avoid errors and downtime.

7. Preventive Maintenance & Lubrication

• Lubrication points and service intervals for optimal machine lifespan.

• Recommended oils, fluids, and filters for Komatsu PC340 models.

8. Troubleshooting & Diagnostic Charts

• Symptoms, probable causes, and solutions for common machine problems.

• Hydraulic and electrical fault code references for accurate repair.

Why Equipment Owners Trust ManualsBay for Heavy Machinery Manuals:

At ManualsBay, we understand how crucial downtime reduction is for heavy equipment owners. That’s why our manuals are:

• Instantly downloadable and accessible on any device.

• High-resolution scans of original factory manuals.

• Comprehensive with wiring diagrams, hydraulic schematics, and maintenance charts.

• Perfect for both professionals and DIY equipment owners.

• Instead of repeatedly mentioning our platform, think of ManualsBay as your digital library for machinery knowledge—helping you fix problems faster and avoid costly service visits.