Mitsubishi S3L User Manual

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Service Manual Mitsubishi SL-Series diesel engines
Version 08/2004
ENGLISH
SPECIFICATIONS SERVICE DATA
186 / 195
SERVICE DATA
55 SPECIFICATIONS
1
55.1 Basic engine components
Unit: mm (in.)
1. All specifications are subject to change without any prior notice.
Item Standard Limit Correction-Remarks
Compression pressure
30 kgf/cm
2
(427 psi)
[2 942 kPa]
27 kgf/cm
2
(384
psi)
[2 648 kPa]
Repair or replace.
Maximum permissible difference between
average compression pressure
of all cylinders in one engine
3 kgf/cm
2
(42.7 psi)
[294 kPa]
— Repair or replace.
Fuel injection timing (BTDC)
a
17°
Clearance between rocker arm and shaft
(oil clearance)
0.012 to 0.050
(0.000 47 to 0.001 97)
0.200
(0.007 87)
Replace rocker arm.
Valve clearance 0.25 (0.009 8) Adjust.
Clearance
between
valve stem
and valve
guide
Inlet valve
0.02 to 0.05
(0.000 8 to 0.002 0)
0.10
(0.003 9)
Replace valve
and valve guide.
Exhaust valve
0.05 to 0.085
(0.002 0 to 0.003 35)
0.15
(0.005 9)
Valve margin (valve lip thickness) 1.0 (0.039) 0.5 (0.020) Replace valve.
Valve sinkage
0.5 ± 0.25
(0.020 ± 0.009 8)
1.5
(0.059)
Recondition valve seat
or replace cylinder head.
Valve seat
Angle 45° —
Recondition.
Width 1.3 to 1.8 (0.051 to 0.071) 2.5 (0.098)
Valve spring
Free length 47 (1.85) 46 (1.81)
Replace.
Length under test force
39.1
(1.54)
30.5
(1.20)
—
Test force,
kgf (lbf) [N]
13.9 ± 0.7
(30.6 ± 1.5)
[136 ± 7]
29 ± 2
(64 ± 4.4)
[284 ± 20]
-15%
Warpage of cylinder head bottom face 0.05 (0.0020) maximum 0.10 (0.003 9) Repair.
Bend (dial indicator reading) of valve push rod — 0.3 (0.012) Replace.

Mitsubishi S3L Specifications

General

Brand	Mitsubishi
Model	S3L
Category	Engine
Language	English