Table Of Contents - Kohler LOMBARDINI 25 LD Workshop Manual

This manual contains pertinent information regarding the repair of LOMBARDINI air-cooled, indirect injection Diesel engines
type 25LD330-2 and 25LD425-2.
1 GENERAL REMARKS AND SAFETY INFORMATION ......................................................................................Pag. 8 - 12
Explanation of the safety pictograms that can be found on the engine or in the Workshop manual ................................. 12
General safety during operating phase ............................................................................................................................. 10
Indications regarding the points on the engine where the safety pictograms are placed .................................................. 12
Information and safety signals ...........................................................................................................................................11
Regulations for lifting the engine ......................................................................................................................................... 9
Safety and enviromental impact ........................................................................................................................................ 10
Safety regulation .............................................................................................................................................................. 8-9
2 TECHNICAL INFORMATION ................................................................................................................................... 14 - 21
ACEA Regulations - Sequences ....................................................................................................................................... 21
API/MIL - Sequences ........................................................................................................................................................ 21
Lubricant ........................................................................................................................................................................... 21
Manufacturer and motor identification data ....................................................................................................................... 14
Overall dimensions ............................................................................................................................................................ 16
Performance diagrams ...................................................................................................................................................... 17
Possible causes and trouble shooting ............................................................................................................................... 18
Prescribed lubricant .......................................................................................................................................................... 20
Routine engine maintenance ............................................................................................................................................ 19
Technical specifications ..................................................................................................................................................... 15
3 DISASSEMBLY OF THE ENGINE ............................................................................................................................. 22 - 23
Extracting crankcase bushes ............................................................................................................................................ 23
Extracting fuel injectors .................................................................................................................................................... 22
Extracting the oil pressure indicator plug .......................................................................................................................... 23
Extraction of crankshaft gear ............................................................................................................................................ 23
Extraction of flywheel side main bearing ........................................................................................................................... 22
Extraction of the camshaft gear ........................................................................................................................................ 23
Removing the flywheel ...................................................................................................................................................... 22
4 CHECKS AND OVERHAUL ...................................................................................................................................... 24 - 32
Camshaft ........................................................................................................................................................................... 30
Central main bearings ....................................................................................................................................................... 30
Connecting rods ................................................................................................................................................................ 28
Crankshaft ......................................................................................................................................................................... 29
Cylinders ........................................................................................................................................................................... 27
Cylinders heads ................................................................................................................................................................ 25
Fuel pump push-rod .......................................................................................................................................................... 31
Governor lever and spring ................................................................................................................................................. 32
Injection pump plug nuts and control rods ........................................................................................................................ 31
Oil pump ............................................................................................................................................................................ 31
Piston rings - Pistons - Piston pins .................................................................................................................................... 28
Rocker arms ...................................................................................................................................................................... 27
Tappets and push rods ...................................................................................................................................................... 31
Valves - Guides - Seats ................................................................................................................................................ 25-26
Valves and springs ............................................................................................................................................................ 27
5 INJECTION EQUIPMENT .......................................................................................................................................... 33 - 35
Assembly of injection pumps ............................................................................................................................................. 34
Checking and setting the injectors .................................................................................................................................... 35
Checking injection pumps ................................................................................................................................................. 33
Disassembly and re-assembly of injectors ........................................................................................................................ 35
Fuel circuit ......................................................................................................................................................................... 33
Injection pump setting ....................................................................................................................................................... 33
Injection pumps ................................................................................................................................................................. 33
Injectors ............................................................................................................................................................................. 35
Testing air tightness .......................................................................................................................................................... 34
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INDEX
25 LD 330-2_425-2 Workshop Manual_cod. ED0053031690_1° ed_ rev. 00