Volvo Ec240b Lc, Ec240b Lr, Ec240b Nlc Excavator Service Parts Manual
Volvo Ec240b Lc Excavator Service Repair Manual
✅ Introduction & Manual Structure
The manual begins with a clear index and structured table of contents that categorize parts by system and assembly. You’ll find easy navigation tools including:
Machine model identification
Serial number applicability (EC240B LC and EC240B LR variants)
Parts ordering guidelines
Diagram legends and terminology
Purpose: This section ensures you’re looking at the correct documentation for your specific excavator model and helps streamline the parts identification process.
🛠️ Engine Assembly & Components
This section dives deep into the diesel engine components including:
Cylinder block, pistons, crankshaft
Fuel injection system
Turbocharger and air intake system
Exhaust manifolds and emissions controls
Each component is exploded in detailed diagrams, showing every nut, bolt, gasket, and filter, along with corresponding part numbers.
Why it matters: You can quickly identify and source engine parts, ensuring compatibility and reducing downtime during repairs or overhauls.
🔧 Hydraulic System Parts
One of the most critical sections, the hydraulic system parts manual, includes:
Main hydraulic pump
Control valve assemblies
Hydraulic cylinders (boom, arm, bucket)
Hoses, pipes, and seals
Pilot control and swing motor parts
Function: This section helps technicians repair hydraulic failures accurately and maintain optimal system performance by referencing OEM part numbers.
🏗️ Undercarriage Components
This section focuses on the excavator’s track and support system, including:
Track chains, rollers, idlers, and sprockets
Track tensioner assemblies
Travel motors and final drives
Importance: Proper undercarriage maintenance extends the life of your machine. This manual helps you locate exact part numbers to minimize wear and improve track alignment.
Volvo Ec240b Lc, Ec240b Lr, Ec240b Nlc Excavator Service Parts Manual
⚙️ Electrical System & Wiring
Comprehensive diagrams and parts lists for:
Starter motors and alternators
Fuse boxes and relays
Sensors and ECM components
Lighting and external harnesses
🧰 Filters, Fluids, and Maintenance Items
Quick-reference listings for regular maintenance components:
Oil filters, air filters, fuel filters
Coolant and hydraulic fluid specs
Lubrication points and service intervals










