Lombardini 5LD825-2 Instruction manual

MODEL NUMBER AND IDENTIFICATION

CHARACTERISTICS

CHARACTERISTIC POWER, TORQUE AND SPECIFIC CONSUMPTION CURVES

MAINTENANCE - RECOMMENDED OIL TYPE - REFILLING

POSSIBLE CAUSES AND TROUBLE SHOOTING

OVERALL DIMENSIONS

MAIN TORQUE SPECIFICATIONS

STANDARD BOLT TORQUE SPECIFICATIONS

USE OF SEALANTS

DISASSEMBLY AND REASSEMBLY

Belt tension adjustment

Blower assembly

CAMSHAFT

Camshaft bearing and journal inside diameter

Camshaft end play

Camshaft gear

Camshaft plugs

Camshaft timing

Center main bearing support, locating bolts

Checking that piston is an original part

CONNECTING ROD

Connecting rod alignment

Connecting rod big end bearing

Connecting rod weight

Connecting rod, small end bearing pin

CRANKSHAFT

Crankshaft center main bearing supports

Crankshaft end play

Crankshaft journal radius

Crankshaft lubrication ducts

Crankshaft pulley

Crankshaft removal

CYLINDER

Cylinder roughness

Dimensions and clearance between guides and valves

Dimensions of camshaft journals and bores

Dry air cleaner

Exhaust manifold

Fan control belt

Flywheel

Head tightening

Hydraulic pump p.t.o.

Idler gear and support

Injector

Injector projection

Intake manifold

Intake/exhaust cam height measurement

Main bearing and connecting rod big end bearing inside diameter

Main bearing housings

Main bearing support, flywheel side

Main bearing supports

Oil cooler

Oil pump gear

Oil sprayer

Oil-bath air cleaner (standard)

PISTON

Piston - Refitting

Pag. 5

10-11

Piston clearance

Piston rings - Clearance between grooves

Piston rings - End gaps

Piston rings - Fitting sequence

Piston weight

Pushrod tube spring

Selection of head gasket thickness

Speed governor

Speed governor lubricating tube

Speed governor operation

Speed governor spring hook-up

Speed governor springs with rocker yoke

Speed governor timing with injection pump

Spring for extra fuel supply at starting

Tank

Thrust ring

Timing cover

Timing gear

Tool for speed governor to injection pump adjustment

Turbocharger

Valve guide insertion

Valve guides and valve guide housings

Valve material

Valve seat grinding

Valve seats and housings

Valve spring

Valve timing check

Valve timing without considering timing marks

Valve/rocker arm clearance

Valves

LUBRICATION SYSTEM

Oil filter

Oil pressure check

Oil pressure curve at full speed

Oil pressure curve at idling speed

Oil pressure relief valve

Oil pump

FUEL SYSTEM

Barrel and plunger for 5LD825-2

Barrel and plunger for 5LD825-3

Barrel and plunger for 5LD930-3, 5LD825-3/T

Checking barrel and plunger for internal leakage

Checking injector pump delivery valve sealing

Fuel feeding pump

Fuel feeding pump drive rod protrusion

Fuel filter

Inject. pump prep. for reassembly to the eng., Pump type Bosch PIES

Injection pump delivery testing for 5LD825-2

Injection pump delivery testing for 5LD825-3

Injection pump delivery testing for 5LD825-3/T, 5LD930-3

Injection pump delivery valve

Injection timing reference marks on the pulley and the gear cover

Injector

Injector pump

Injector pump for 5LD825-4, 5LD930-4 - Pump type Bosch PES

Injector pump reassembly to the engine - Pump type Bosch PES

Injector setting

Injector timing corrections with injector pump type Bosch PES

Nozzle

Static injection timing

Static injection timing correction for 5LD825-2, 5LD825-3, 5LD825-3/T, 5LD930-3

Static injection timing reference marks on crankcase and flywheel

ELECTRIC SYSTEM

12.5V, 14A Alternator

12V, 21 A Alternator

14V, 33A Bosch G1 alternator battery curve

Alternator battery charger curve (12V, 21A)

Alternator battery charging curve (12.5V, 14A)

Alternator type Bosch G1, 14V, 33A

Alternator type Bosch G1, 14V, 33A layout

Characteristic curves for starting motor type Bosch JF (R) 12V

Characteristic curves for starting motor type Bosch JF, class 3

Checking for cable continuity

Checking voltage regulator for proper operation

Electrical starting layout with battery charging light

Electrical starting layout without battery charging light

Key switch

STARTING MOTOR

Starting motor Bosch type JF (R), 12V class 2.5

Starting motor Bosch type JF 12V, class 3

Voltage regulator

SETTINGS

Full speed setting in no-load conditions

Idling speed setting in no-load conditions

Injection pump delivery setting

Injection pump delivery setting with engine on the torque dynamometer

Standard idling and full speed setting for 5LD825-4 and 5LD930-4

Stop setting

STORAGE

How to prepare the engine for operation

Permanent protection

Temporary protection

SPECIAL EQUIPMENT

This manual suits for next models

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