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Related Manuals for Lombardini 9 LD 625-2
Summary of Contents for Lombardini 9 LD 625-2
- Page 1 WORKSHOP MANUAL 9 LD Engine Series cod. 1-5302-286...
- Page 3 LOMBARDINI. Information presented within this manual assumes the following: 1 - The person or people performing service work on LOMBARDINI series engines is properly trained and equipped to safely and professionally perform the subject operation; 2 - The person or people performing service work on LOMBARDINI series engines possesses adequate hand and LOMBARDINI special tools to safely and professionally perform the subject service operation;...
- Page 4 REGISTRATION OF MODIFICATIONS TO THE DOCUMENT Any modifications to this document must be registered by the drafting body, by completing the following table. Drafting Document Model Review Edition Revision Issue date Endorsed body code N° date CUSE/ATLO 1-5302-286 50494 3° 06-88 26.11.2008 - 4 -...
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Page 5: Table Of Contents
CHAPTER INDEX This manual contains pertinent information regarding the repair of LOMBARDINI air-cooled, direct injection Diesel engines type 9 LD 625-2 - 625-2 EPA - 626-2 - 626-2 NR: updated November 26 , 2008. TABLE OF CONTENTS GENERAL REMARKS AND SAFETY INFORMATION ______________________________________ 9-11 General safety during operationg phases .......................... - Page 6 Chapter index Crankshaft journal radius ..............................43 Crankshaft lubrication ducts .............................. 42 Crankshaft removal ................................42 Crankshaft timing gear ..............................41 Cylinder ..................................... 36 Cylinder head ..................................33 Dimensions and clearance between guides and valves ....................35 Dimensions of camshaft journals and housings ....................... 45 Dry air cleaner ..................................
- Page 7 Chapter index Valve seat grinding ................................36 Valve seats and housings ..............................36 Valve springs ..................................34 Valve stem sealing rings - Reassembly ........................... 34 Valve timing - Angles ................................. 47 Valve timing check ................................47 Valve timing without considering timing marks ........................46 Valves ....................................
- Page 8 Chapter index Alternator - 24 V, 6 A ................................. 67 Alternator battery charger curve - 24 V, 6 A ........................68 Alternator battery charger curve - external, 12 V, 33 A ...................... 69 Alternator battery charger curve (12 V, 18 A) ........................67 Alternator battery charger curve standard - 12 V, 14 A .....................
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Page 9: General Remarks And Safety Information
GENERAL REMARKS AND SAFETY INFORMATION WARRANTY CERTIFICATE - The products manufactured by Lombardini Srl are warranted to be free from conformity defects for a period of 24 months from the date of delivery to the first end user. - For engines fitted to stationary equipment, working at constant load and at constant and/or slightly variable speed within the setting limits, the warranty covers a period up to a limit of 2000 working hours, if the above mentioned period (24 months) is not expired. -
Page 10: Safety And Warning Decals
This condition is also essential when it comes to routine and, above all, extraordinary maintenance operations which, in the latter case, must only be carried out by persons specifically trained by LOMBARDINI and who work in compliance with the existing documentation. -
Page 11: General Safety During Operationg Phases
• Only check belt tension when the engine is off. • Only use the eyebolts installed by LOMBARDINI to move the engine. These lifting points are not suitable for the entire machine; in this case, the eyebolts installed by the manufacturer should be used. -
Page 12: Table Of Likely Anomalies And Their Symptoms
TECHNICAL INFORMATION TROUBLE SHOOTING THE ENGINE MUST BE STOPPED IMMEDIATELY WHEN: 1) - The engine rpms suddenly increase and decrease; 2) - A sudden and unusual noise is heard; 3) - The colour of the exhaust fumes suddenly darkens; 4) - The oil pressure indicator light turns on while running. TABLE OF LIKELY ANOMALIES AND THEIR SYMPTOMS The following table contains the possible causes of some failures which may occur during operation. -
Page 13: Technical Information
Technical information PROBLEM POSSIBLE CAUSE Damaged, blocked or dirty injector Injection pump valve damaged Injector not adjusted Hardened pump control rod Broken or loose supplementary start-up spring Worn or damaged pumping element Incorrect tuning injection components (delivery balancing advance) Extra fuel control level sticking Oil level too high Oil level low Oil pressure valve blocked or dirty... -
Page 14: Approval Data
Technical information MANUFACTURER AND ENGINE IDENTIFICATION The identification plate shown in the figure can be found directly on the engine. It contains the following information: A) Manufacturer’s identity B) Engine type C) Engine serial number D) Maximum operating speed E) Number of the customer version (form K) F) Approval data Approval data The approval reference directives EC are on the engine identification... -
Page 15: Main Components
Technical information MAIN COMPONENTS Components: 1) Fuel tank 7) Oil dipstick 2) Injectors 8) Throttle and stop controls 3) Air cleaner 9) Oil drain plug 4) Starting motor 10) Fuel feeding pump 5) Oil filter 11) Flywheel 6) Rocker arm cover 12) Injection pump 9LD Workshop Manual _ cod. -
Page 16: Technical Specifications
Technical information TECHINICAL SPECIFICATIONS 9 LD engine type 625/626-2 625-2 625-2 NR CE GENERAL DETAILS Four-stroke diesel Operating cycle Cylinders 2 in line n° Bore x stroke 95x88 95x88 95x88 Displacements 1248 1248 1248 Compression rate 17.5:1 20.0:1 21.0:1 Intake Oil bath air cleaner with cyclonic prefilter or dry air cleaner Cooling Air (fan integral to the flywheel) - Page 17 Technical information 9 LD engine type 625/626-2 625-2 625-2 NR CE FUEL SUPPLY CIRCUIT Automotive diesel fuel (minimum cetane: 51) Fuel type Mechanical fuel lift pump (diaphragm or pistons) Fuel supply Fuel filter, internal Filtering surface µm Filter capacity Fuel filter, external Filtering cartridge PF 904 PF 904...
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Page 18: Performance Diagram
Technical information PERFORMANCE DIAGRAM 9 LD 625-2 EPA @ 3000 r.p.m. 9 LD 625 NR @ 2800 r.p.m. 9 LD 625 @ 3000 r.p.m. 9 LD 626-2 @ 3000 r.p.m. - 18 - 9LD Workshop Manual _ cod. 1.5302.286 - 3° ed_rev. 02... - Page 19 20°C and 1 bar. Max. power tolerance is 5%. Power decreases by approximately 1% every 100 m di altitude and by 2% every 5°C above 25°C. Note: Consult LOMBARDINI for power, torque curves and specific consumptions at rates differing from those given above. Important Non-approval by Lombardini for any modifications releases the company from any damages incurred by the engine.
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Page 20: Overall Dimension
9 LD 626-2 9 LD561-2/L 9 LD 626-2 NR 9 LD 625-2 DIMENSIONI mm - MESURES mm - DIMENSION mm - EINBAUMAßE mm - DIMENSIONE mm - DIMEN0ÇÕES (mm) - 20 - 9LD Workshop Manual _ cod. 1.5302.286 - 3° ed_rev. 02... - Page 21 Technical information ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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Page 22: Maintenance - Recommended Oil Type - Refilling
MAINTENANCE - RECOMMENDED OIL TYPE - REFILLING ROUTINE ENGINE MAINTENANCE Important Failure to carry out the operations described in the table may lead to technical damage to the machine and/or system EXTRAORDINARY MAINTENANCE AFTER THE FIRST Engine oil replacement. Oil filter replacement. 50 WORKING HOURS ORDINARY MAINTENANCE FREQUENCY x HOURS... -
Page 23: Acea Regulations - Acea Sequences
Maintenance - Recommended oil type - Refilling LUBRICANT SAE Classification In the SAE classification, oils differ on the basis of their viscosity, and no other qualitative characteristic is taken into account. SAE 10W* The first number refers to the viscosity when the engine is SAE 20W* cold (symbol W = winter), while the second considers SAE 30*... -
Page 24: Prescribed Lubricant
Maintenance - Recommended oil type - Refilling PRESCRIBED LUBRICANT AGIP API CF4 / SG SUPERDIESEL ACEA B2 - E2 specifications MULTIGRADE MIL - L-4165 D/E 10W40 In the countries where AGIP products are not available, use oil API SJ/CF for Diesel engines or oil corresponding to the military specification MIL-L-4165 D/E. -
Page 25: Fuel Recommendations
EPA /CARB emission label must be percent oil is added). attached near the fuel inlet. Capacities standard fuel tank As for filters, tanks and special crankcases please refer to LOMBARDINI instructions. 9LD Workshop Manual _ cod. 1.5302.286 - 3° ed_rev. 02 - 25 -... -
Page 26: Air Cleaner
– Always use original LOMBARDINI spare parts for proper – In order to fix assemblies and/or components securely, the repair operations. -
Page 27: Disassembly / Reassembly
Disassembly / Reassembly Components: 1 Bowl 2 Oil level mark 3 Filtering element 4 Seal ring 5 Internal seal ring 6 Cover 7 Clamp 8 Prefilter Dry air cleaner Components: 1 Hand wheel 2 Cover 3 Cartridge 4 Seal ring 5 Bracket 6 Clogging indicator Important... -
Page 28: Clogging Indicator
Disassembly / Reassembly Clogging indicator Components: 1 Reset button 2 Transparent indicator Note: Indicator is calibrated at 600÷650 mm column of water. Oil vapour separator Fitted on engines with dry air cleaner. Screw it out of the air conveyor support, carefully wash with gasoline inside and blow out with compressed air. -
Page 29: External Alternator Blower Control Belt - Disassembly
Disassembly / Reassembly EXTERNAL ALTERNATOR CONTROL BELT (only for engines with external alternator) External alternator blower control belt - Disassembly Release the two alternator fastening bolts. Unscrew the fastening nuts of the belt guard and remove it. Remove the V belt. See page 22 for periodic maintenance details. -
Page 30: Cooling Fan
Disassembly / Reassembly Pulley guard - Shroud - Side plates Components: 1 Pulley guard 2 Shroud 3 Side plates The pulley guard is made of sound deadening material: it reduces the noise that both the pulley and the fan tend to amplify. Shroud and side plates are made of ANTIFON, an elastic Iayer which absorbs the noise caused by the plate vibrations. -
Page 31: Flywheel
Disassembly / Reassembly Shroud support (Gear cover plate) Loosen screws and remove shroud support very carefully to avoid damage to the oil seal ring. When refitting check that gaskets A and oil seal ring B are well inside their housings. Tighten screws at 25 Nm. -
Page 32: Compression Release
Disassembly / Reassembly Compression release (optional) Bring piston to top dead center on the compression stroke. Unscrew rocker arm cover side plug and measure clearance A between lever and rocker arm, which must be 0.30÷0.40 mm. For setting purposes remove the rocker arm cover, unscrew the lock nut C and set clearance A by changing the height of the shims under the plate B. -
Page 33: Cylinder Head
Disassembly / Reassembly Injector for EPA and 97/68 CE engines The injector is attached to the cylinder head via a forked bracket. Tighten the fixing bracket screw at 10 Nm. Fix the high-pressure hose union to the injector union at 25 Nm. Injector projection The end of nozzle A should project 3.0÷3.5 mm. -
Page 34: Valve Springs
Disassembly / Reassembly Valves Components: 1 Intake valve 2 Spring seat 3 Valve stem seal ring 4 Spring 5 Retainer 6 Half collets To remove half collets firmly press down as shown in the figure. Valve stem sealing rings - Reassembly Lubricate the inside of the sealing ring with Molikote BR2 Plus and insert them all the way onto the guides using tool 1460-108. -
Page 35: Dimensions And Clearance Between Guides And Valves
Disassembly / Reassembly Valve guides and valve guide housings Starting from engine No. 2883619 intake and exhaust valve guides are both made of phosphoric cast iron. Components: 1 = Exhaust valve guide 2 = Intake valve guide Ref. Dimensions (mm) ÷... -
Page 36: Valve Seat Grinding
Disassembly / Reassembly Valve seats and housings Ref. Dimensions (mm) ÷ ÷ ÷ ÷ EXHAUST INTAKE VALVE VALVE Press valve seats into the housings and cut at 45°. Valve seat grinding After cutting grind valve seats with fine emery paste in oil suspension. The sealing surface S should not exceed 2 mm. -
Page 37: Piston
Disassembly / Reassembly Measure diameter size between two diametrically opposed points at three different heights. As per the cylinder sizes, see Table “Piston and cylinder types and sizes". PISTON Remove circlips and remove piston pin. Remove piston rings and clean grooves. Measure diameter at 17 mm from the bottom of skirt. -
Page 38: Piston Rings - End Gaps (Mm)
Disassembly / Reassembly Piston weight Weigh pistons when replacing them in order to avoid unbalance. Important The difference in weight should not exceed 6 g. Piston rings - End gaps (mm) Place piston rings squarely into the unworn part of the lower cylinder and measure the end gap. -
Page 39: Connecting Rod
Disassembly / Reassembly Piston - Refitting Connect piston to connecting rod in a way that the combustion chamber centre b is at right angle under nozzle tip a. Lubricate piston pin and introduce it into the piston by exerting pressure with your thumb. -
Page 40: Connecting Rod Alignment
Disassembly / Reassembly Connecting rod small end bushing Dimensions and clearance (mm): C = 25.020÷25.030 (with machined bushing in place) D = 24.995÷25.000 (C-D) = 0.020÷0.035 (C-D) maximum worn limit = 0.070 Connecting rod alignment Check alignment of small end and big end bearing bores using fitted mandrels;... -
Page 41: Crankshaft Timing Gear
Disassembly / Reassembly CRANKSHAFT TIMING GEAR Disassembly: Use tool 1 (Part N°. 7560-4000-052) and puller 2 (Part N°. 7271-1460- 119) to remove the gear. Reassembly: Heat the gear uniformly and keep it at a temperature of 300 °C for 15 – 20 minutes. -
Page 42: Center Main Bearing Support, Locating Screw
Disassembly / Reassembly CRANKSHAFT Center main bearing support, locating screw. Straighten plate 1 and unscrew screw 2 before removing crankshaft. When assembling tighten the screw at a torque of 30 Nm. Crankshaft removal To pull out the crankshaft tap lightfy on the timing side end using a copper-headed hammer. -
Page 43: Checking Main Journals And Crank Pins
Disassembly / Reassembly Crankshaft journal radius The radius R connecting journals to shoulders is 2.8÷3.2 mm. Important When grinding external main journals restore the R value to original specification. Checking main journals and crank pins Use an outside micrometer gauge. Main journal and crank pin diameter Dimensions (mm) Ref. -
Page 44: Clearance Between Main Journals/Crank Pins And Connecting Rod Bearings
Disassembly / Reassembly Main bearing and connecting rod big end bearing inside diameter Dimensions (mm) Ref. ÷ ÷ ÷ ÷ The above dimensions refer to driven in or tightened bearings. Note: Both main bearings and connecting rod big end bearings are available with inside diameter size measuring 0.25 and 0.50 mm less than the standard version. -
Page 45: Camshaft
Disassembly / Reassembly Table “Clearance between main bearings and main bearing housings” Ref. Clearance (mm) Limit value (mm) ÷ ÷ ÷ Crankshaft end play When refitting crankshaft check end play by means of a thickness gauge; this value should be 0.08 ÷ 0.38 mm and can be set by changing the thickness of gasket A which is located on the flywheel-side main bearings. -
Page 46: Camshaft End Play
Disassembly / Reassembly How to measure intake/exhaust cam height A1 = 1 st cylinder intake cam S1 = 1 st cylinder exhaust cam A2 = 2nd cylinder intake cam S2 = 2nd cylinder exhaust cam Exhaust and intake cams feature the same height H. H = 33.625 ÷... -
Page 47: Valve Timing - Angles
Disassembly / Reassembly Valve timing check Check valve timing at the crankshaft. The values shown are checked at the flywheel circumference (with flywheel of 291 mm. diameter each degree corresponds to 2.5 mm). Set valve clearance at 0.65÷0.70 mm (after checking restore the value at 0.15÷0.20 mm). -
Page 48: Hydraulic Pump Components (1 P)
Disassembly / Reassembly Hydraulic pump components (1 P) 1 Seal ring 2 Centering ring 3 Coupling 4 Half coupling 5 Flange 6 Gear 7 Bracket 8 Thrust washer 9 Stop ring 10 Cover The maximum total torque is thus 30 Nm corresponding to 12.5 HP at 3000 r.p.m. -
Page 49: Electronic Speed Governor
Disassembly / Reassembly Governor springs with rocker arm system The system features two springs anchored to a rocker arm and allows for minimal r.p.m. changes at low speed levels. The device is operated automatically: when the engine is stopped spring 6 acts on injection pump control yoke 7 providing maximum fuel delivery, until the engine starts and the governor controls the iniection pump rack. -
Page 50: Speed Governor Wiring Diagram
Disassembly / Reassembly Adjustment of the stroke end (STOP): 1 - Remove the conical plug "5". 2 - Through the eccentric "7" position and check by sight that the lever in stop position is at the extreme left. 3 - From this position, always acting on the eccentric screw "7", move the control lever 1,0 ÷... -
Page 51: Disassembly / Reassembly
Disassembly / Reassembly ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... -
Page 52: Lubrication System
LUBRICATION SYSTEM LUBRICATION SYSTEM AND BREATHER RECIRCULATION SYSTEM - The oil viscosity must suit the ambient temperature in Danger – Attention - The engine can be damaged if allowed to operate with which the engine operates. insufficient oil. It is also dangerous to add too much oil because its combustion may lead to a sharp increase in the rotation speed. -
Page 53: Lubrication System With Oil Radiator Circuit
Lubrication system Lubrication system with oil radiator circuit Components: 1) Oil pressure gauge 9) Oil fill plug 2) Breather 10) Rocker arm shafts 3) Connecting rod big end bearing 11) Pushrod protection tube 4) Crankshaft main bearing on gear side 12) Hydraulic pump gear 5) Cartridge filter 13) Camshaft joumal on fiywheel side... -
Page 54: Oil Filter Cartridge (External)
Lubrication System OIL FILTER CARTRIDGE (EXTERNAL) Components: 1 Gasket 2 Plate 3 Gommino 4 Spring 5 Filter element 6 Bypass valve 7 Spring For characteristics see page 17. OIL PRESSURE RELIEF VALVE Details: 1 Plunger 2 Washer 3 Valve body 4 Spring 5 Ring snap 6 M9x1 threading for puller... -
Page 55: Oil Pressure Check
Lubrication system OIL PRESSURE CHECK Once the engine is fitted fill with oil and fuel; connect a 10 bar pressure gauge to the fitting. Start the engine and check pressure as a function of the oil temperature Oil pressure curve with engine at idle speed The curve is obtained at the oil filter lever with constant engine speed of 1200 r.p.m. -
Page 56: Fuel System
FUEL SYSTEM FUEL FEEDING / INJECTION CIRCUIT Fuel feeding / injection circuit with fuel filter inside the fuel tank Components: 1 Fuel tank 2 Fuel filter 3 Fuel feeding tube 4 Fuel lift pump 5 lnjection pump 6 High-pressure pipe 7 Injector 8 Injector exhaust pipe Fuel feeding / injection circuit with external fuel filter... -
Page 57: Fuel Feeding / Injection Circuit With External Fuel Filter And Qsd (Quick Stop System)
Fuel system Fuel feeding / injection circuit with external fuel filter and QSD (Quick Stop System) Components: 1 Fuel tank 2 Fuel feeding tube 3 Fuel filter 4 Fuel lift pump intake tube 5 Fuel lift pump delivery tube 6 Fuel lift pump 7 lnjection pump 8 High-pressure pipe 9 Injector... -
Page 58: Fuel Feeding Pump Components
Fuel system Fuel feeding pump components Components: 1 Drive rod: - length: 32,55 ÷ 32,65 mm - measured protrusion A: 1,47 ÷ 2,07 mm 2 Gasket 3 Camshaft eccentric 4 Manual priming lever Characteristics: when the control eccentric rotates at 1000 r.p.m. minimum delivery is 73 l/h while self-regulation pressure is 0.5 ÷... -
Page 59: How To Check Plunger And Barrel For Internal Leakage
Fuel system Injection pump for EPA engines Components: 1 Holder-delivery valve 2 Locking nut clamp 3 Screw 4 Valve-Spring 5 O Ring 6 Copper gasket 7 Plunger and barrel assembly 8 Pin spring 9 Rack 10 Seat spring 11 Spring tappet 12 Seat phasing 13 Ring snap 14 Tappet assembly roller... -
Page 60: How To Check Injection Pump Delivery Valve Sealing
Repeat the same operation for the other plunger. Test data for injection pump delivery Check only maximum plunger difference by positioning rack rod according to the indicated delivery value. 9 LD 625-2 - 626-2 - 625/626 CE Rod stroke Control rod Max. plunger from max R.P.M. -
Page 61: How To Mount Injection Pump On The Engine
Fuel system How to reassemble injection pump components After replacing the worn-out components, reassemble the pump as follows: - Introduce sector gears into the pump body by making reference points C match with the B points on the rack. - Fix barrels with the eccentric screws F on the pump body. - Fit valves with seats, springs, fillers and delivery unions tightening them at 35 ÷... -
Page 62: Injection Pump/Mechanical Speed Governor Timing
Fuel system Injection pump/mechanical speed governor timing Loosen screw 1 Move injection pump lever 2 to maximum delivery (to the right). Check that drive rod 3 closes the speed governor; keeping lever 2 pressed to the right the drive rod should have no clearance. Tighten screw 1. -
Page 63: Injection Advance Adjustment
Fuel system 13 Turn the flywheel slowly and clockwise. Stop turning as soon as you notice that the fuel is moving inside tester 4. 14 Move lever 1 again so as to lower the valve and bring it again in contact with the piston. -
Page 64: Injector
Fuel system INJECTOR Size S Injector, only for standard engines Components: 1 Intake fitting 2 Nozzle holder 3 Shim 4 Spring 5 Pressure rod 6 Intermediate flange 7 Nozzle 8 Needle valve 9 Fixing flange 10 Taper pin 11 Gasket 12 System duct 13 Sump Size S Nozzle, only for standard engines... -
Page 65: Injector Setting
Fuel system Size P injector, for 97/68 CE and EPA engines Components: 1 Injector housing 2 Intake fitting 3 Shim 4 Spring 5 Pressure rod 6 Taper pin 7 Nozzle 8 Cup 9 Needle valve 10 Sump 11 System duct 12 Overflow pipe Size P nozzle, for 97/68 CE and EPA engines Features:... -
Page 66: Electric System
5 Pressure switch 6 Oil pressure warning light 7 Key switch 8 Battery charging light Note: Battery, which is not supplied by Lombardini, should feature 12 V voltage and capacity not below 70 Electrical starting layout with external alternator Components: 1 Alternator... -
Page 67: Alternator
Electric System ALTERNATOR Alternator - 12 V, 18A Features a fixed armature winding mounted on the air shroud bracket. The rotating permanent magnet inductor is located in the fan spindle. Only the two yellow cables are at output. Dimensions (mm): A = 158.80÷159.20 B = 27.50÷27.90 Note: Clearance between armature wìnding and inductor (air gap) must... -
Page 68: Alternator - 12 V, 14 A
Electric System Alternator battery charger curve - 24 V, 6 A The curve was obtained at room temperature of +20°C with 25 V battery voltage. Alternator - 12 V, 14 A Features a fixed armature winding mounted on the air shroud bracket. The rotating permanent magnet inductor is located in the fan spindle. -
Page 69: Alternator Battery Charger Curve - External, 12 V, 33 A
Electric System Checking for cable continuity Check that stator windings have no unsoldered connections, burnt areas or grounded wìres. Using an ohmmeter check for continuity between the red cable and the two yellow ones. Furthermore, check that they are insulated from the ground. Alternator, external - 12 V, 33 A The alternator is of the claw-pole rotor type with built-in voltage regulator. -
Page 70: How To Check Voltage Regulator For Proper Operation
Electric System VOLTAGE REGULATOR Type LOMBARDINI, supplied by SAPRISA and DUCATI: Voltage 12 V, max. current 26A. To avoid wrong connections 3 different sizes are supplied. Dimensions (mm) Connections Width Thickness How to check voltage regulator for proper operation - Check that connections correspond to the layout. -
Page 71: Voltage Regulator - 12 V, 30 A
Electric System Voltage regulator - 12V, 26A, with “W” terminal “W” pole tab: Width = 4,75 mm; Thickness= 0,5 mm. See page 70 for tag dimensions. Voltage regulator - 12 V, 30 A The voltage regulator is of the bridge type. See page 70 for tag dimensions. -
Page 72: Characteristic Curves For Starting Motor Type Bosch - 12 V, 1.7 Kw
Electric System STARTING MOTOR Important - Made by MARELLI and BOSCH. - Apply to their distributors for any type of repair. Bosch starting motor type GIF - 12 V, 1.7 kW RH direction of rotation. A = 29.5÷31.5 mm B = Ring gear plane C = Flange plane Caution –... -
Page 73: Characteristic Curves Of The 24 V 1.6 Kw Starting Motor
Electric System Starting motor type Bosch DW (R) 12 V, 1.7 kW RH direction of rotation. A = 29.5÷31.5 mm B = Ring gear plane C = Flange plane Caution – Warning Flywheel should not project from ring gear plane B. Characteristic curves of the 24 V 1.6 kW starting motor The curves have been measured at a 20°C temperature with an 88 Ah battery. -
Page 74: Direct Stop Electromagnets
Electric System Pre-heating glow plug Components: 1 Sheath 2 Regulation filament 3 Heating filament When remounting tighten at a torque of 20 Nm. Glow plug Type Nominal voltage Current Note: The glow plug is not damaged in any way due to the prolonged activation time. -
Page 75: Direct Stop Electromagnet
Electric System Direct stop electromagnet Features: Operating tension ..........12V. Power coil absorption ........41 A. Hold coil absorption .......... 0.5 A. Setting: - Screw drive rod 1 to the end of the thread on the electromagnet piston. - Excite the electromagnet and leave the stop lever in normal operation position. -
Page 76: Settings
SETTINGS SPEED ADJUSTMENTS WARNING - Adjustments should be carried out by Lombardini authorised personnel only. - Any tampering with the adjustment immediately makes the warranty null and void. Idling speed setting in no-load conditions After filling with oil and fuel, start the engine and let it warm up for 10 minutes. -
Page 77: Injection Pump Delivery Setting With Dynamometric Brake
Settings Injection pump delivery setting with dynamometric brake 1) Run the engine and bring it to the operating temperature. 2) Release the flow limiter screw C completely (see page 175). 3) Bring the engine to maximum rotation speed. 4) Activate the dynamometric brake to bring the engine to the maximum speed. -
Page 78: Required Settings (As Most Commonly Applies)
Settings Required settings (as most commonly applies) Specific fuel Power consumption * Engine R.p.m. Time (sec) g/HP h (kW) per 100 cm (g/kW h) ÷ 9LD 625-2 ÷ (18,80) ÷ ÷ 9LD 625-2 ÷ ÷ ÷ 9LD 625-2 ÷ ÷ ÷... - Page 79 Settings ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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Page 80: Storage
STORAGE ENGINE STORAGE - When the engines are not for more than 6 months, they have to be protected performing the operations described in the following pages. If the engine is not to be used for extensive periods, check the storage area conditions and the type of packaging and make sure that these are suitable for correct storage. -
Page 81: Preparing The Engine For Operation After Protective Treatment
Storage PREPARING THE ENGINE FOR OPERATION AFTER PROTECTIVE TREATMENT After the storage period and before starting up the engine and preparing it for operation, you need to perform certain operations to ensure maximal efficiency conditions. 1 - Remove the protective sheet. 2 - Remove any sealing devices from the exhaust and intake ducts. -
Page 82: Torque Specifications And Use Of Sealant
TORQUE SPECIFICATIONS AND USE OF SEALANT Table of tightening torques for the main components Diam. and pitch Torque POSITION Sealant ( mm ) ( Nm ) Vibration-damping tank support Loctite 270 Connecting rod 8x1.0 Injection pump delivery valve union 18x1.5 Rocker arm cover 8x1.25 Center main bearing support... - Page 83 Torque specifications and use of sealant Diam. and pitch Torque POSITION Sealant ( mm ) ( Nm ) Fuel tank bracket 8x1.25 Alternator stator 5x0.8 Loctite 242 Crankase lubrification plug 8x1.25 Oil drain plug 14x1.5 Cylinder head 10x1.5 Blower Loctite 270 6x1.0 Cooling fan hub fixing screw Loctite 270...
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Page 84: Table Of Tightening Torques For Standard Screws (Coarse Thread)
Torque specifications and use of sealant Table of tightening torques for standard screws (coarse thread) Resistance class (R) 10.9 12.9 Quality/ Dimensions R>400N/mm R>500N/mm R>600N/mm R>800N/mm R>1000N/mm R>1200N/mm Diameter 1000 1200 1050 1500 1800 1088 1450 2000 2400 Table of tightening torques for standard screws (fine thread) Resistance class (R) 10.9 12.9... -
Page 85: Special Tools
SPECIAL TOOLS Special tools and equipment for maintenance SPECIAL TOOLS DESCIPTION Part N°. Valve lowering tool for static injection timing check 1 Spacers, h=40mm 1460 - 285 2 Dial gauge indicator 3 Dial gauge extension Static timing tool 1460 - 024 Tool for valve stem O-ring assembly 1460 - 047 Flywheel puller... - Page 86 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ .
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- Page 88 9 LD Engine Series cod. 1-5302-286 La Lombardini si riserva il diritto di modificare in qualunque momento i dati contenuti in questa pubblicazione. Lombardini se rèserve le droit de modifier, à n'importe quel moment, les données reportées dans cette publication.
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