Mitsubishi S3Q2 User Manual

SERVICE DATA
2-4
Piston pin
Piston pin hole inside diameter
ø 28
[1.10]
28.000 to 28.010
[1.1024 to 1.1028]
Outside diameter
ø 28
[1.10]
27.994 to 28.000
[1.1021 to 1.1024]
Clearance between piston pin hole and
piston pin
0.000 to 0.016
[0.0000 to 0.0006]
0.050
[0.0020]
Use the piston with replac-
ing the piston pin until
reaching the limits.
when reaching the limits,
replace the piston.
Connecting rod
Bushing inside diameter
ø 28
[1.10]
28.020 to 28.045
[1.1031 to 1.1041]
Clearance between piston pin
0.020 to 0.051
[0.0008 to 0.0020]
0.080
[0.0031]
Replace the piston and
bushing
(Ream if necessary)
Clearance between crankpin and con-
necting rod bearing (oil clearance)
0.030 to 0.095
[0.0012 to 0.0037]
0.200
[0.0079]
Use connecting rod with
replacing bearing until
reaching the limit.
when exceeding the limit,
re-gring the crankpin and
replace the bearing with
under size.
Bend and twist
0.05/100
[0.0020/3.94]
or less
0.15/100
[0.0059/3.94]
End play
0.15 to 0.35
[0.0059 to 0.0138]
0.50
[0.0197]
Replace connecting rod.
Connecting rod bearing inside diameter
ø 58
[2.28]
58.000 to 58.045
[2.2835 to 2.2852]
Exhaust manifold Distortion of manifold
0.15
[0.0059] or less
Idler gear
Clearance between shaft and bushing
0.025 to 0.075
[0.0010 to 0.0030]
0.100
[0.0039]
Replace bushing.
End play
0.05 to 0.20
[0.0020 to 0.0079]
0.35
[0.0138]
Replace thrust plate.
Timing gear
backlash
Crankshaft gear to idler gear
0.03 to 0.16
[0.0012 to 0.0063]
0.25
[0.0098]
Replace gear.Idler gear to camshaft gear
0.04 to 0.17
[0.0016 to 0.0067]
0.25
[0.0098]
Idler gear to fuel injection pump gear
0.03 to 0.18
[0.0012 to 0.0071]
0.25
[0.0098]
Table 2-2 Maintenance service data table - Basic engine (3 / 5) Unit: mm [in.]
Inspection point Nominal Standard Limit Remark

Mitsubishi S3Q2 Specifications

General

Brand	Mitsubishi
Model	S3Q2
Category	Engine
Language	English