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Service Manual Mitsubishi L-Series diesel engines
Version 08/2004
TABLE OF CONTENTS
ENGLISH
TABLE OF CONTENTS
GENERAL
1 ENGINE MODEL AND ENGINE NUMBER........................................................................ 12
1.1 Model, classification and use ................................................................................................. 12
1.2 Engine model embossment and engine number stamp......................................................... 12
2 EXTERNAL VIEW ..................................................................................................................... 14
2.1 Engine L2............................................................................................................................... 14
2.2 Engine L3............................................................................................................................... 15
3FEATURES................................................................................................................................. 16
3.1 Aim of development ............................................................................................................... 16
3.2 Features of the new series..................................................................................................... 16
4 SPECIFICATIONS..................................................................................................................... 18
5 MAINTENANCE......................................................................................................................... 19
5.1 Engine oil and oil filter............................................................................................................ 19
5.2 Retightening the cylinder head bolts...................................................................................... 21
5.3 Adjusting the valve clearance ................................................................................................22
5.4 Adjusting the fan belt tension................................................................................................. 23
5.5 Bleeding air from the fuel system........................................................................................... 23
5.6 Replacing the fuel filter .......................................................................................................... 24
5.7 Checking and adjusting injection timing................................................................................. 26
5.8 Adjusting the engine speeds..................................................................................................27
5.9 Checking and adjustment of nozzles ..................................................................................... 28
6 TROUBLESHOOTING ............................................................................................................. 31
6.1 Hints on using the trouble-diagnosis chart............................................................................. 31
6.2 Hard starting .......................................................................................................................... 32
6.3 Knocking ................................................................................................................................ 33
6.4 Overheating ........................................................................................................................... 34
6.5 Black-smoky exhaust ............................................................................................................. 35
6.6 Unsteady idling ...................................................................................................................... 36
6.7 Low output ............................................................................................................................. 37
ENGINE MAIN PARTS
7GENERAL.................................................................................................................................... 40
7.1 Specifications......................................................................................................................... 40
7.2 Special Tools ......................................................................................................................... 41
8 ROCKER ARMS AND ROCKER SHAFT........................................................................... 42
8.1 Disassembly........................................................................................................................... 42
8.2 Removal and installation........................................................................................................ 43
8.3 Inspection............................................................................................................................... 43
9 CYLINDER HEAD ..................................................................................................................... 44
9.1 Disassembly........................................................................................................................... 44
9.2 Removal................................................................................................................................. 45
9.3 Inspection and Repair ............................................................................................................ 46
9.4 Replacement of valve guide...................................................................................................46