Hidromek HMK 300 LC-3 Electrical System & Air Conditioning Service Manual PDF
Original price was: $95.00.$26.95Current price is: $26.95.
Official Hidromek HMK 300 LC-3 Electrical Service Manual. This comprehensive 100+ page guide covers complete excavator wiring diagrams, instrument panel functions, and Hidromek HMK 300 fault codes. It includes detailed schematics for the main, cabin, and engine harnesses, plus a full Air Conditioning repair guide. Essential for technicians diagnosing electrical and HVAC issues.
Description
Hidromek HMK 300 LC-3 Electrical System & Air Conditioning Service Manual – PDF DOWNLOAD
DESCRIPTION
Eliminate electrical guesswork and reduce downtime with this complete Hidromek HMK 300 LC-3 Electrical System Manual. This workshop-grade document provides the specific pinouts, wire colors, and logic charts needed to trace complex circuits in your excavator.
Whether you are troubleshooting a “Low Engine Oil Pressure” warning, recalibrating the instrument panel, or rebuilding the entire HVAC system, this manual provides factory-standard procedures. It features high-resolution Hidromek wiring diagrams for every harness (Main, Cabin, Engine, and Working Lamps) and detailed layouts of the fuse and relay boxes.
A significant portion of this manual is dedicated to the Air Conditioning System, covering everything from the compressor and expansion valve to refrigerant charging charts and leak detection.
Key Technical Coverage:
General Electrical & Safety:
Battery connection and booster cable (jump start) procedures.
Instrument Panel Functions: Detailed guide to all gauges, indicators (Power Mode, Work Mode, Error Display Area), and menu settings.
Fuse Box & Relay Layout: Complete maps for Fuse Box A & B, including spare ratings and locations for the Master Switch, Starter Relay, and ECU.
Troubleshooting & Diagnostics:
Hidromek Error Code List: Full definition table for codes like 50 (Alternator Charge Failure), 12 (PV Failure), 30 (CAN-BUS Failure), and more.
Diagnostic flowcharts for starting motor failures, charging system issues, and sensor faults.
Wiring & Harnesses:
Schematic Diagrams: Detailed fold-out style diagrams for Main Harness (C/CN series), Cabin Harness, and Engine Harness (Isuzu 4HK1X).
Connector Pinouts: Wire colors (e.g., R-Red, L-Blue), cable sizes, and mating part numbers (Tyco/Sumitomo) for precise repairs.
Air Conditioning System:
HVAC Repair: Compressor inspection, magnetic clutch checks, and receiver-drier replacement.
Refrigerant Handling: Vacuuming, charging procedures (1,300g spec), and pressure gauge analysis (High/Low side normal values).
AC Troubleshooting: Solutions for “Not Cooling,” frozen evaporator, and blower motor failures.
Table of Contents Overview:
General
Safety Precautions
Instrument Panel & Menu Functions (Language, Maintenance, Logs)
Fuse & Relay Box Layouts
Service & Troubleshooting
Control Panel Fault & Trouble Messages (Error Codes 01-FF)
Main Harness & Cabin Harness Diagrams
Engine Harness (Control Unit, Sensors, Injectors)
Air Conditioning (A/C)
Cooling Cycle Theory & Structure
Component Inspection (Compressor, Condenser, Expansion Valve)
A/C Troubleshooting & Pressure Charts
Refrigerant Charging & Leak Testing
Electrical Circuit Diagrams (Fold-outs for all systems)
FILE DETAILS
Manual Name: Hidromek HMK 300 LC-3 Workshop Manual – Electrical System
Models Covered: Hidromek HMK 300 LC-3 Excavator (Isuzu Engine)
Year: 2008-2009
File Type: High-Quality PDF (Searchable Text & Diagrams)
Total Pages: 103 Pages
WHY BUY THIS MANUAL?
Don’t let a blown fuse or a loose ground stop your job site. This manual gives you the exact schematic maps and error code definitions you need to solve electrical demons fast. From fixing the AC in the summer to tracing a CAN-BUS failure, you’ll have the factory solution in your pocket. Click “Download Now” to get your excavator back to full power instantly!
