Mitsubishi L3A Service Manual

SERVICE DATA
2-3
Valve seat and
valve
Valve seat angle 44°
Valve sinkage
0.5
[0.0197]
0.4 to 0.6
[0.0158 to 0.0236]
Valve margin
1.0
[0.0394]
0.5
[0.0197]
Valve guide mounting length
14
[0.5516]
13.5 to 14.5
[0.5319 to 0.5516]
Valve spring
Free length
40
[1.57]
38.5
[1.516]
Squareness
θ=2°
Δ=1.4 [0.055]
Lf=40 [1.57]
Δ=2.0
[0.079]
over entire
length
Mounting length/load
35.5 [1.3976]/55.3 to 61.2 N
{5.64 to 6.24 kgf}
[12.4 to 13.8 lbf]
-15%
28.0 [1.1024]/138.2 to 152.9 N
{14.09 to 15.59 kgf}
[31.1 to 34.4 lbf]
Cylinder
Pushrod Runout 0.3 [0.012] or less
0.3
[0.012]
TIR, Replace
Cylinder head
Distortion of cylin-
der head bottom
surface
0.05 [0.0020] or less
0.10
[0.0039]
Repair
Distortion of block top surface 0.05 [0.0020] or less
0.10
[0.0039]
Repair
Cylinder inside
diameter
L2A, L3A
ø 65
[2.56]
65.00 to 65.03
[2.5591 to 2.5602]
+0.7
[+0.0276]
Repair limit is
+0.2 [+0.0079]
L2C, L3C
ø 70
[2.76]
70.00 to 70.03
[2.7559 to 2.7571]
L2E, L3E
ø 76
[2.99]
76.00 to 76.03
[2.9921 to 2.9933]
Cylindericity 0.01 [0.039] or less
Table 2-2 Maintenance service data table - Basic engine(2 / 4) Unit mm [in.]
Inspection point Nominal Standard Limit Remark
Valve
margin
Valve
sinkage
Valve
seat angle
Seat width
ٌ
Lf
ǰ

Mitsubishi L3A Specifications

General

Brand	Mitsubishi
Model	L3A
Category	Engine
Language	English