Yanmar 1GM10, Руководство по ремонту

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MULTICYLINDER ENGINES 135
Table 2 ENGINE SPECIFICATIONS AND (continued)
head margin 0.75-1.15 mm (0.030-0.045 in.)
Seat width (int. and exh.)
1.77 mm (0.070 in.)
Valve 1.25 mm (0.049 in.)
Valve stem ciearance
intake 0.040-0.065 mm (0.0016-0.0026 in.)
Exhaust 0.045-0.070 mm (0.0018-0.0028 in.)
Max. stem clearance
0.15 mm (0.006 in.)
Valve stem diameter
7.000 mm (0.2756 in.)
Valve stem wear 6.900 mm (0.2717 in.)
Valve stem runout-max. 0.03 mm (0.0012 in.)
Valve guide diameter
7.000 mm (0.2756 in.)
Valve guide wear
7.080 mm (0.2878 in.)
guide protrusion 7.0 mm (0.276 in.)
Vaive spring
Standard free length
38.5 mm (1.52 in.)
Min. free length 37 mm (1 in.)
Installed height 29.2 mm (1.15 in.)
Pressure at installed height
16.16 kg at 29.2 mm (35.63 ib. at 1.15 in.)
Rocker arm shaft clearance 0.016-0.052 mm (0.0006-0.0020 in.)
Rocker arm shaft clearance-max.
0.15 mm (0.006 In.)
Rocker arm bore wear limit 14.10 mm (0.555 in.)
Rooker arm shaft wear 13.90 mm (0.547 in.)
Oil pump
inner rotor rotor tip 0.050-0.105 mm (0.0020-0.0041 in.)
Max. 0.15 mm (0.006 in.)
Outer rotor-to-pump body 0.050-0.105 mm (0.0020-0.0041 in.)
Max. 0.15 mm (0.006 in.)
Rotor side clearance 0.030-0.080
Max. 0.13 mm (0.005 in.)
Shaft clearance 0.015-0.050 mm (0.0006-0.0020 in.)
Max. 0.20 (0.0079 in.)
Table 3 ENGINE SPECIFICATIONS AND
Bore
3HM
Stroke
Displacement
3HM
Number of cylinders
Firing order
Cylinder bore diameter
Cylinder liner diameter
Max.
Cyiinder liner protrusion
Cyiinder
Piston diameter
3HM
Standard
Wear limit
Standard
Wear limit
Piston top clearance
Piston ring side clearance
Top ring
Second ring
75 mm (2.95 in.)
80
(3.15 in.)
85 mm (3.35 in.)
1126 cc (68.7 cu. in.)
1282 cc (78.2 cu. in.)
3
80.000-80.030 mm in.)
75.00 mm (2.9528 in.)
75.10 mm (2.9567 In.)
0.005-0.075
(0.0002-0.0030 in.)
0.02 mm (0.0008 in.)
0.05 mm (0.002 in.)
74.907-74.937 mm (2.9491-2.9503 in.)
74.850
max. (2.9468 in.)
79.902-79.932 mm (3.1457-3.1470 in.)
79.840 mm
(3.1433 in.)
(0.026-0.034 in.)
0.065-0.100 mm (0.0026-0.0039 in.)
0.035-0.070 mm (0.0014-0.0028 in.)