Specifications And Maintenance Standards - Mitsubishi L3E Service Manual

SPECIFICATIONS AND MAINTENANCE
STANDARDS
Description
Cylinder bore
Oversize finish tolerance
Cylindricity
Gasket fitting surface distortion
Piston
Type
Material
Outside diameter (Skirt end)
Clearance to cylinder
Oversize
Protrusion from crankcase top surface
Piston pin
Type
Outside diameter
Piston pin to piston clearance
Piston pin to connecting rod clearance
Piston ring
Number of rings
Compression
Oil
Ring width
Compression (No.2)
Oil
Ring side clearance
Compression No.1
Compression No.2
Oil ring
Ring gap
Compression No.1, No.2
Oil ring
Connecting rod
Type
Deflection and twist
Big end thrust clearance
146 / 155
Specification or Standard
L2A, L3A
L2C, L3C
L2E, L3E
0 to 0.03 [0 to 0.0012] for each oversize
0.01 [0.0004] or less
0.05 [0.0020] or less
L2A, L3A
L2C, L3C
L2E, L3E
0.25 [0.0098], 0.50 [0.0197]
Semi-floating type
Outside diameter
Press-fit load: 1000±500 kg [2204.6±1102.3 lb]
2{ No.1: Chrome plated, semi-keystone type
1 (Chrome plated ring with coil expander)
0.05 to 0.09 [0.0020 to 0.0035]
0.03 to 0.07 [0.0012 to 0.0028]
0.15 to 0.30 [0.0059 to 0.0118]
0.15 to 0.35 [0.0059 to 0.0138]
Within 0.05 [0.0020]
0.1 to 0.35 [0.0039 to 0.0138]
ENGLISH
SERVICE SPECIFICATIONS AND
65 [2.5591]]
70 [2.7559]
76 [2.9921]
Solid type
Aluminum alloy
65 [2.5591]
70 [2.7559]
76 [2.9921]
0.9 [0.0354]
No.2: Tapered
2 [0.0787]
3 [0.1181]
—
Forged I-beam
Service Manual Mitsubishi L-Series diesel engines
STANDARDS
Unit: mm (in.)
Repair Limit Service Limit
+0.2 [0.0079] +0.70 [0.0276]
+0.2 [0.0079] +0.70 [0.0276]
+0.2 [0.0079] +0.70 [0.0276]
0.1 [0.0039]
0.2 [0.0079]
0.08 [0.0031]
(Within standard
range)
0.2 [0.0079]
0.2 [0.0079]
1.5 [0.0591]
0.15 [0.00591]
max.
0.5 [0.0197]
Version 08/2004