Mitsubishi L3A Service Manual

SERVICE DATA
2-5
1.3 Fuel system
Crankshaft
Journal outside diameter (STD)
ø 43
[1.69]
42.965 to 42.980
[1.6915 to 1.6921]
-0.70
[-0.0276]
Repair limit is
-0.15 [-0.0059]
Pin outside diameter (STD)
ø 40
[1.57]
39.965 to 39.980
[1.5734 to 1.5740]
Runout 0.06 [0.0024] or less TIR
Clearance between main bearing and
crankshaft
0.030 to 0.075
[0.0012 to 0.0030]
0.10
[0.0039]
Clearance between connecting rod
bearings
0.028 to 0.071
[0.0011 to 0.0028]
0.150
[0.0059]
End play
0.050 to 0.175
[0.0020 to 0.0069]
0.500
[0.0197]
Timing gear
backlash
Between crank gear and idler gear
0.010 to 0.136
[0.0004 to 0.0054]
Spur
gear
0.300
[0.0118]
Replace
0.040 to 0.118
[0.0016 to 0.0047]
Helical
gear
Between idler gear
and valve camshaft gear
0.010 to 0.136
[0.0004 to 0.0054]
Spur
gear
Between idler gear
and pump camshaft gear
0.037 to 0.117
[0.0015 to 0.0046]
Helical
gear
Between valve camshaft gear
and PTO gear
0.010 to 0.220
[0.0004 to 0.0087]
Spur
gear
0.007 to 0.235
[0.0003 to 0.0091]
Helical
gear
Cam height of camshaft (major axis)
27.37
[1.08]
27.27 to 27.47
[1.0736 to 1.0815]
26.37
[1.0382]
Cam height of fuel injection pump camshaft (major axis)
30
[1.18]
29.9 to 30.1
[1.177 to 1.185]
29
[1.1417]
Replace
Flywheel flatness 0.08 [0.0031] or less
0.50
[0.0197]
Clearance between tappet and cylinder block bore
0.007 to 0.049
[0.0003 to 0.0019]
0.150
[0.0059]
Replace tappet.
Clearance between camshaft journal and
cylinder block bore
0.050 to 0.100
[0.0020 to 0.0039]
0.150
[0.0059]
Replace camshaft
or cylinder block
Clearance between idler gear bushing and idler shaft
ø 20
[0.79]
0.030 to 0.066
[0.0012 to 0.0026]
0.200
[0.0079]
Table 2-3 Maintenance service data table - Fuel system Unit: mm [in.]
Inspection point Nominal Standard Limit Remark
Fuel injection nozzle pressure
13.73 MPa
{140 kgf/cm²}
[1992 psi]
13.73 to 14.73 MPa
{140 to 150 kgf/cm²}
[1992 to 2134 psi]
Adjust with washers.
Table 2-2 Maintenance service data table - Basic engine(4 / 4) Unit mm [in.]
Inspection point Nominal Standard Limit Remark

Mitsubishi L3A Specifications

General

Brand	Mitsubishi
Model	L3A
Category	Engine
Language	English