Mitsubishi Heavy Industries L2 Service Manual page 146

SERVICE SPECIFICATIONS AND
STANDARDS
Description
Cylinder compression pressure
Difference between cylinders (maximum)
Fuel injection order
Cylinder head
Bottom surface distortion (Flatness)
Valve guide Inside diameter (IN and EX)
Valve seat angle (IN and EX)
Valve seat width (IN and EX)
Valve seat sinkage
Valve clearance (IN and EX)
Valve
Valve head diameter
Overall length
Stem Outside diameter
Stem to Guide clearance
Valve face angle
Valve head thickness (Margin width)
Valve head sinkage
(from cylinder head bottom face)
Valve spring
Free length, p/n MM432-668 (white color
on the 2 upper side coils)
Free length, p/n 30L04-04500 (yellow
color on the 2 upper side coils)
Set force/Set length, p/n MM432-668
(white color on the 2 upper side coils)
Set force/Set length, p/n 30L04-04500
(yellow color on the 2 upper side coils)
Perpendicularity
Rocker arm
Rocker arm Inside diameter
Rocker arm to Shaft clearance
Crankcase
Camshaft hole diameter
Service Manual Mitsubishi L-Series diesel engines
Version 08/2004
Specification or Standard
2.7 MPa (28 kgf/cm
0.25 MPa (2.5 kgf/cm
L2: 1-2, L3: 1-3-2
Within 0.05 [0.0020]
6.6 [0.2598]
1.3 to 1.8 [0.0512 to 0.0709]
0.25 [0.0098] (Cold)
(IN) 26.7 [1.0512]
(EX) 24.7 [0.9724]
6.6 [0.2598]
(IN)
(EX)
1.0 [0.0394]
0.5 [0.0197]
40.5 [1.5945]
40.0 [1.5748]
58 N (5.94 kgf) [13.1 lbf]/35.5 mm [1.3976 in.]
146 N (14.84 kgf) [32.7 lbf]/28 mm [1.1024 in.]
68 N (6.89 kgf) [15.2 lbf]/35.5 mm [1.3976 in.]
180 N (18.36 kgf) [40.5 lbf]/28 mm [1.1024 in.]
Front 42 [1.6535] Ball bearing hole
No. 2
No.3 33 (L3) [1.2992]
Rear
ENGLISH
SPECIFICATIONS AND MAINTENANCE
SERVICE SPECIFICATIONS AND STANDARDS
38 SPECIFICATIONS
MAINTENANCE
STANDARDS
38.1 Engine Main Parts
2
) [398 psi] (at 280 RPM)
2
) [35.6 psi]
45°
94 [3.7008]
45°
2°
12 [0.4724]
34 [1.3386]
33 [1.2992]
1. All specifications are subject to change without any prior
notice.
STANDARDS
1
AND
Unit: mm (in.)
Repair Limit Service Limit
2.5 MPa 2.2 MPa
2
(25 kgf/cm ) (22 kgf/cm
[356 psi] [313 psi]
0.1 [0.0039]
2.5 [0.0984]
–1 [-0.0394]
0.10 [0.0039]
0.15 [0.0059]
0.5 [0.0197]
39.3 [1.5472]
–15%
–15%
3°
–0.2 [–0.0079]
145 / 155
2
)