Name: Kohler KD 425-2
Brand: Kohler
Rating: 4 (1 reviews)

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INDEX

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 identication data ....................................................................................................................... 14

Overall dimensions ............................................................................................................................................................ 16

Performance diagrams

...................................................................................................................................................... 17

Possible causes and trouble shooting

............................................................................................................................... 18

Prescribed lubricant .......................................................................................................................................................... 20

Routine engine maintenance ............................................................................................................................................ 19

Technical specications ..................................................................................................................................................... 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 ywheel side main bearing ........................................................................................................................... 22

Extraction of the camshaft gear ........................................................................................................................................ 23

Removing the ywheel ...................................................................................................................................................... 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

KD425-2 Workshop Manual_cod. ED0053031750_1° ed_ rev. 00