Mitsubishi diesel engines - Piston pin boss inner diameter and piston pin diameter

Engine Inspection Sheet No.7
S L
Engine model
Customer
Engine number
Date
Item to be
measured
Piston pin boss inner diameter and piston pin diameter
Unit
mm (in.)
Remarks
Approved by Confirmed by Measured by
Measuring location Standard value
Measurement
Name
Piston pin inner diameter Piston pin diameter
Piston pin-to-boss
clearance
No. Location X Y X Y
Max. Min.
A
1
B
A
2
B
A
3
B
A
4
B
Nominal
value
Standard
value
Limit
Piston pin
inner
diameter
φ23
(0.91)
23.006 to 23.012
(0.9057 to 0.9060)
-
Piston pin
diameter
φ23
(0.9062)
22.994 to 23.000
(0.9039 to 0.9062)
-
Piston
pin-to-boss
clearance
-
0.006 to 0.018
(0.0002 to 0.0007)
0.050
(0.002)