Yanmar 1GM10 Shop Manual page 140

134
Table 2 ENGINE SPECIFICATIONS (3GM AND 3GM30) (continued)
Cylinder block warpage-max.
Piston diameter
3GM
Standard
Wear limit
Standard
Wear limit
Piston top clearance
Piston ring side clearance
Top ring
Second rlng
Piston ring side clearance (continued)
Oil ring
Ring end gap (all rings)
Piston pin diameter
Piston pin hole dlameter
In piston
In rod
Piston pin clearance
In rod
In plston
Piston ring width
Top and second ring
Oil control ring
Crankshaft maln journal diameter
Timing gear end
Center
Flywheel end
Journal out-of-round-max.
Crankshaft end play
Crankshaft runout-max.
Main bearing clearance
Timing gear end
Center
Flywheel end
Journal out-of-round-max.
Intermediate thrust bearing width-min.
Connecting rod side clearance
Cylinder head warpag-ax.
Camshaft
Valve lobe lift
Fuel pump lobe lift
Journal diameter
End journal
Center journal
Timing gear backlash
Maximum allowable
Push rod runout-max.
Valve lifter
Outside diameter
Outside diameter-min.
Clearance in block
Max. clearance
Valve face angle
Valve seat angle
0.05 mm (0.002 in.)
71.91 3-71.943 mm (2.831 2-2.8324 in.)
71.850 mm (2.8287 in.)
74.910-74.940 mm (2.9492-2.9504 in.)
74.850 mm (2.9468 in.)
0.065-0.100 mm (0.0026-0.0039 in.)
0.035-0.070 mm (0.0014-0.0028 in.)
0.020-0.055 mm (0.0008-0.0022 in.)
0.20-0.40 mm (0.008-0.016 in.)
19.991-20.000 mm (0.7870-0.7874 In.)
20.000 mm (0.7874 in.)
0.005 mm tight-0.017 mm loose
(0.0002 in. tight-0.0007 in. loose)
1.97-1.99 mm (0.0776-0.0783 in.)
3.97-3.99 mm (0.1563-0.1571 In.)
43.950-43.964 mm (1.7303-1.7309 in.)
43.950-43.964 mm (1.7303-1.7309 in.)
59.950-59.964 mm (2.3602-2.3608 in.)
0.01 mm (0.0004 in.)
0.09-0.19 mm (0.0035-0.0075 in.)
0.15 mm (0.006 in.)
0.036-0.092 mm (0.0014-0.0036 in.)
0.036-0.092 mm (0.0014-0.0036 in.)
0.036-0.095 mm (0.0014-0.0037 in.)
0.01 mm (0.0004 in.)
24.63 mm (0.970 in.)
0.028-0.086 mm (0.001 1-0.0034 In.)
0.2-0.4 mm (0.008-0.016 in.)
0.07 mm (0.003 in.)
35.000 mm (1.3780 in.)
33.000 mm (1.2992 in.)
30.000 mm (1 .I81 1 In.)
41.500 mm (1.6339 in.)
0.02 mm max. (0.0008 in. max.)
0.3 mm (0.012 in.)
0.03 mm (0.0012 in.)
Mechanical
10.000 mm (0.3937 in.)
9.95 mm (0.3917 in.)
0.01 0-0.040 mm (0.0004-0.001 6 in.)
0.10 mm (0.004 in.)
CHAPTER SIX