Mitsubishi L Series Diesel Engine Workshop & Service Manual
155 Pages Total
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INDEX / TABLE OF CONTENTS
TABLE OF CONTENTS
GENERAL
1 ENGINE MODEL AND ENGINE
NUMBER
1.1 Model, classification and use
1.2 Engine model embossment and engine number
stamp
2 EXTERNAL VIEW
2.1 Engine
L2
2.2 Engine
L3
3 FEATURES
3.1 Aim of development
3.2 Features of the new
series
4
SPECIFICATIONS
5 MAINTENANCE
5.1 Engine oil and oil
filter
5.2 Retightening the cylinder head
bolts
5.3 Adjusting the valve clearance
5.4 Adjusting the fan belt
tension
5.5 Bleeding air from the fuel
system
5.6 Replacing the fuel filter
5.7 Checking and adjusting injection
timing
5.8 Adjusting the engine
speeds
5.9 Checking and adjustment of nozzles
6
TROUBLESHOOTING
6.1 Hints on using the trouble-diagnosis
chart
6.2 Hard starting
6.3 Knocking
6.4 Overheating
6.5 Black-smoky exhaust
6.6 Unsteady idling
6.7 Low output
ENGINE MAIN PARTS
7
GENERAL
7.1
Specifications
7.2 Special Tools
8 ROCKER ARMS AND ROCKER
SHAFT.
8.1
Disassembly
8.2 Removal and
installation.
8.3
Inspection
9 CYLINDER HEAD
9.1
Disassembly
9.2
Removal
9.3 Inspection and Repair
9.4 Replacement of valve
guide
9.5 Repair of valve seat
9.6 Installation
10 VALVES AND VALVE SPRINGS
10.1 Disassembly
10.2
Removal
10.3 Inspection and repair
10.4
Installation
11 INLET MANIFOLD AND EXHAUST
MANIFOLD
11.1
Disassembly
11.2
Inspection
12 GEAR CASE AND OIL
PUMP
12.1
Disassembly
12.2
Removal
12.3
Inspection
12.4 Replacement of front oil seal
12.5 Replacement of governor shaft bushings
12.6 Inspection of governor system
12.7 Disassembly and reassembly of governor levers
12.8 Installation of gear case
assembly
13 TIMING
GEARS
13.1
Disassembly
13.2 Removal
13.3
Inspection
13.4 Installation of timing gears
14 CAMSHAFTS (VALVE AND INJECTION
PUMP)
14.1 Disassembly
14.2 Removal of Valve Camshaft
14.3 Inspection
14.4
Installation
15 PISTON AND CONNECTION
ROD
15.1
Disassembly
15.2
Removal
15.3
Inspection
15.4
Installation
16 CRANKSHAFT
16.1
Disassembly
16.2 Removal
16.3
Inspection
16.4 Replacement of crankshaft rear oil
seal.
16.5
Installation
17 CYLINDER BLOCK
17.1
Disassembly
17.2
Inspection
17.3 Reboring of cylinder
LUBRICATION SYSTEM
18
GENERAL
18.1
Specification
18.2 Special
tools
19 OIL FILTER AND OIL PRESSURE SWITCH
19.1
Disassembly
19.2 Removal and
installation
19.3
Inspection
FUEL SYSTEM
20 GENERAL
20.1
Specifications
20.2
Disassembly
21 FUEL INJECTION
PUMP
21.1
Disassembly.
21.2 Inspecting the injection pump while operating the
engine
21.3
Removal
21.4
Disassembly
21.5
Inspection
21.6 Reassembly of plunger
21.7 Reassembly of delivery valve
22 INJECTION NOZZLE
22.1
Disassembly
22.2 Removal
22.3
Disassembly
22.4
Inspection
22.5 Assembly
22.6 Adjustment
22.7
Installation
GOVERNOR SYSTEM
23 GENERAL
23.1
Specification
23.2
Disassembly
24 TORQUE
SPRING
24.1 Installation of torque spring set
24.2 Assembling the torque spring
set
24.3 Single spring type
24.4
Inspection
24.5 Removal and
installation
COOLING SYSTEM
25 GENERAL
25.1
Specifications
25.2
Disassembly
26 FAN AND FAN
BELT
26.1 Fan belt
inspection
26.2 Fan
inspection
27 WATER PUMP
27.1 Removal and
installation
27.2
Inspection
28
THERMOSTAT
28.1 Removal and
installation
28.2
Inspection
29 WATER TEMPERATURE GAGE UNIT AND
THERMOSWITCH
29.1 Inspection of water temperature gage
unit
29.2 Inspection of thermoswitch
AIR CLEANER
30 AIR CLEANER
30.1
Disassembly
30.2
Inspection
ELECTRICAL SYSTEM
31
GENERAL
31.1 Specifications
31.2 Wiring diagrams
32 STARTER
32.1 Structure
32.2 Inspection (assembly)
32.3
Disassembly
32.4
Inspection.
32.5 Assembly and
adjustment
33 ALTERNATOR AND
DYNAMO
33.1 Structure
33.2
Dynamo
33.3 Inspection of the alternator (installed on the engine)
33.4 Output inspection
33.5 Removal
33.6 Disassembly of alternator
33.7 Inspection
33.8
Installation
33.9 Alternator and regulator
34 GLOW
PLUG
34.1
Removal
34.2
Inspection
34.3
Installation
35 KEY-OFF STOP SYSTEM
35.1 General
35.2 Control timer
unit
35.3 Fuel cutoff solenoid (ETS type).
35.4 Fuel cutoff solenoid (ETR type)
36 GLOW TIMER SYSTEM
36.1 General
36.2 Glow
timer
36.3 Glow relay
SERVICE DATA
37 PERIODIC INSPECTION
CHART
37.1 Periodic service
chart
38 SPECIFICATIONS AND MAINTENANCE
STANDARDS
38.1 Engine Main Parts
38.2 Lubrication System
38.3 Fuel System
38.4 Governor System
38.5 Cooling
System
38.6 Electrical System
39 TIGHTENING TORQUE CHART AND SEALANT
CHART
39.1 Tightening Torque for Main
Bolts
39.2 Tightening Torque for Common Bolts and
Nuts
39.3 Tightening Torque for Common Plugs
39.4 Sealant Chart
40 SPECIAL TOOLS