Description
Lombardini FOCS LDW Engine Workshop Manual provides factory technical information for the water-cooled, indirect-injection diesel engines listed below. It is intended for trained engine technicians, repair workshops and authorised service personnel carrying out dismantling, inspection, overhaul, reassembly, replacement and tuning work.
This 106-page publication contains illustrated procedures, dimensional data, adjustments, troubleshooting guidance and technical specifications. Coverage extends from routine maintenance and engine identification through major internal components, fuel injection equipment, lubrication, cooling and electrical systems.
ENGINE DISASSEMBLY AND REASSEMBLY
The manual explains workshop procedures for dismantling, inspecting and rebuilding the principal mechanical assemblies. Subjects include:
- Cylinder head removal and tightening procedures
- Valves, guides, seats, springs and stem seals
- Camshaft removal, journals and lobe measurements
- Timing belt, pulleys, reference marks and tensioning
- Pistons, rings, connecting rods and bearings
- Crankshaft journals, end float and oil seals
- Cylinders, piston clearances and component classes
- Oil pump dismantling and reassembly
- Speed governor and pump/injector control components
- Flywheel, drive pulleys and ancillary drives
FUEL INJECTION AND GOVERNOR SYSTEM
Detailed fuel-system information supports servicing and adjustment of the FOCS pump/injector arrangement.
- Fuel feed and injection circuit
- Fuel lift pump and filter arrangements
- Pump/injector unit dismantling and assembly
- Pumping element and injector settings
- Injector nozzle projection
- Static injection advance adjustment
- Top dead centre and timing references
- Injection-pump delivery balancing
- Idle, maximum-speed and stop settings
- Fuel delivery and flow-limiter adjustments
LUBRICATION, COOLING AND TURBOCHARGER
Separate chapters describe the supporting engine systems and their workshop checks.
- Lubrication circuit and oil-pump arrangement
- Oil-filter cartridge and internal filter
- Oil-pressure regulating valve and pressure checks
- Coolant circulation pump
- Thermostatic valve
- Radiator and expansion-tank cap checks
- Turbocharger components
- Turbocharger pressure testing
- Wastegate actuator adjustment
ELECTRICAL SYSTEM
The electrical chapter covers starting, charging, pre-heating and engine-monitoring equipment fitted to the applicable engine variants.
- 12-volt electric starting layouts
- Flywheel alternator system
- Iskra 14 V 33 A alternator
- Marelli 14 V 45 A alternator
- Bosch starter motors
- Glow plugs and pre-heating control unit
- Oil-pressure switch
- Coolant-temperature sensors
- Voltage-regulator connections
- Automatic engine-stop control panel
TESTING, ADJUSTMENT AND TROUBLESHOOTING
The Lombardini FOCS LDW Engine Workshop Manual includes troubleshooting tables and the settings required after repair or overhaul. It covers valve timing checks, valve-to-rocker clearances, injection advance, pump delivery, governor settings, turbocharger pressure and EGR calibration. Performance diagrams, technical specifications and dimensional limits are also provided for workshop assessment.
MAINTENANCE AND TECHNICAL DATA
- Routine engine maintenance
- Lubricant grades and prescribed oil
- Fuel and coolant specifications
- Engine identification information
- Overall dimensions and performance diagrams
- Storage and protective treatment
- Preparation after long-term storage
- Principal component tightening torques
- Standard screw torque tables
- Special workshop tools
LOMBARDINI FOCS LDW ENGINE WORKSHOP MANUAL MODEL COVERAGE
- LDW 502
- LDW 602
- LDW 702
- LDW 903
- LDW 1003
- LDW 1204
- LDW 1204/T
- LDW 1404
MARKET VERSION
English-language edition. The publication applies to the listed Lombardini water-cooled, indirect-injection diesel engines. No machine-specific JCB model application or serial-number range is stated in the supplied manual extract.
MANUAL DETAILS
- Manual type: Factory workshop manual
- Engine series: Lombardini FOCS
- Document code: 1-5302-351
- Edition: 7th edition, revision 06
- Issue date: 15 March 2008
- Pages: 106
This is an engine workshop publication rather than a complete machine service manual. It is suitable for workshops requiring manufacturer-issued procedures and data for the identified Lombardini LDW engine range.
The Lombardini FOCS LDW Engine Workshop Manual provides a single technical reference for overhaul, inspection, setting and diagnosis across the supported naturally aspirated and turbocharged variants.
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