TM-5-4310-389-14
Table 4-4. Cylinder Head (Continued)
Dimension
Tolerance
(min./max.)
Item
Inch
(mm)
Inch
(mm)
Cylinder
Bore (normal)
3.9370
(100.0)
±0.0087
±(.022)
Bore (oversizes)
3.9567
(100.5)
±0.0087
±(.022)
Bore (wear limit)
0.0118
(0.3)
±0.0087
± (.022)
Piston
Diameter (normal)
3.9335
(99.91)
±0.0004
±(.009)
Diameter (oversizes)
3.9532
(100.41)
±0.0004
±(.009)
Bore for Piston Pin
1.3780
(35.0)
+0.0002
+(.006)
Piston Pin Diameter
1.3780
(35.0)
0.0002
(.006)
Piston Ring Grooves Based
on Diameter of:
3.8199
(97.0)
-0.0039
-(.10)
Width of First Groove
0.0868
(2.205)
+0.0047
+(.120)
0.0868
(2.205)
+0.0039
+(.100)
Width of Second and Third
Grooves
0.0984
(2.5)
+0.0043
+(.110)
0.0984
(2.5)
+0.0035
+(.090)
Width of Scraper Ring Groove
0.1969
(5.0)
+0.0020
+(.050)
+0.0012
+(.030)
Piston Rings
Side Clearance - First
Compression Ring
0.0031
(.079)
0.0048
(.119)
Clearance Limit
0.0197
(.5)
Second Compression Ring
0.0039
(.10)
0.0052
(.132)
Clearance Limit
0.0118
(.30)
Third Compression Ring
0.0039
(.10)
0.0052
(.132)
Clearance Limit
0.0118
(.30)
Fourth Slotted Oil Ring
0.0016
(.04)
0.0028
(.072)
Clearance Limit
0.0059
(.15)
Normal Gap, Compression Rings
0.0138
(.35)
0.0217
(.55)
Gap, Limit Value
0.1575
(4.0)
Gap, Slotted Oil Control Rings
(normal)
0.0098
(2.5)
0.0059
+(.15)
Gap, Limit Value
0.0098
(2.5)
Connecting Rod
Hole for Piston Pin Bushing
1.4961
(38.0)
0.0006
+(.016)
Outside Diameter
1.4980
(38.05)
0.0012
+(.030)
Inside Diameter (pressed in)
1.3795
(.04)
0.0018
+(.046)
4-10
