Mitsubishi S6S Service Manual page 15

Inspection Point
Fillet radius of journal and
crankpin
Crankshaft
End play
Outside
diameter
(at skirt)
Piston
Protrusion
Clearance between piston pin
and bore
Piston weight difference per
engine
Clearance
between
groove and
ring
Piston ring
Ring gap
Diameter
Piston pin
Clearance between pin and
bushing
Inside diameter of bushing
Bend and twist
Connecting Clearance between crankpin
rod and connecting rod bearing
Big end width
Rod weight difference per
engine
Flatness
Flywheel
Face runout
Circular runout
Damper
Face runout
Nominal Assembly Standard
Value [Standard Clearance]
3 (0.12)
31 (1.22)
(0.0039 to 0.0104)]
93.955 to 93.985
Standard
(3.6990 to 3.7002)
0.25 (0.0098) 94.205 to 94.235
94 (3.70)
oversize (3.7089 to 3.7100)
0.50 (0.0197) 94.455 to 94.485
oversize (3.7187 to 3.7199)
(−0.0098 to 0.0059)
(0.0000 to 0.0006)]
2.5
No.1 ring
(0.098) (0.0053 to 0.0062)]
2.0
No.2 ring
(0.079) (0.0018 to 0.0034)]
4.5
Oil ring
(0.177) (0.0010 to 0.0026)]
No. 1 ring,
No. 2 ring,
(0.0118 to 0.0197)
Oil ring
29.994 to 30.000
30 (1.18)
(1.1809 to 1.1811)
(0.0008 to 0.0020)]
30.020 to 30.045
30 (1.18)
(1.1819 to 1.1829)
(0.0020/3.94) or less
(0.0012 to 0.0035)]
33 (1.30)
(0.0059 to 0.0138)]
Repair
Limit
[Clearance] [Clearance]
±0.2 (±0.008)
[0.100 to 0.264 [0.300
(0.0118)]
−0.25 to 0.15
[0.000 to 0.016
5 g (0.18 oz)
or less
[0.135 to 0.157
[0.045 to 0.085
[0.025 to 0.065
0.30 to 0.50
[0.020 to 0.051
0.05/100 0.15
(0.0059)
[0.030 to 0.090
[0.15 to 0.35
10 g (0.35 oz)
or less
0.15 (0.0059) 0.50
or less (0.020)
0.5 (0.020)
or less
0.5 (0.020)
or less
2-3
MAINTENANCE STANDARDS
Unit: mm (in.)
Service
Limit Remark
If thrust plate clearance
exceeds the repair limit,
replace thrust plates.
If it is exceeded, use oversize
thrust plates.
Thrust plate oversizes:
0.15 (0.0059)
0.30 (0.0118)
93.770
(3.6917)
94.020
(3.7016)
94.270
(3.7114)
Checking bearing clearance.
[0.050
(0.0020)]
[0.200
(0.0079)]
[0.150
(0.0059)]
[0.150
(0.0059)]
1.50
(0.0591)
[0.080
(0.0031)]
[0.200
(0.0079)]
[0.50
Replace connecting rod.
(0.020)]
1.5
(0.0591) Replace after 8000 service
hours.
1.5
(0.0591)