Yanmar 1GM10, Shop Manual

Page: 139 / 240

MULTICYLINDER ENGINES
133
1 SPECIFICATIONS AND
Timing gear backlash
mm (0.002-0.005 in.)
allowable
,
Push rod
Valve lifter
Outside diameter
Outside diameter-min.
Clearance in block
Max. clearance
Valve face angle
Valve seat angle
Valve head margln
Seat width (Int. and exh.)
Valve depth-max.
Valve stem clearance
intake
Exhaust
Max. stem clearance
Valve stem diameter
Valve stem wear limit
Valve stem
Valve guide diameter
Valve guide wear limit
Valve guide protruslon
Valve spring
Standard free length
Min. free length
installed height
Pressure at installed height
Rocker arm shaft clearance
Rocker arm shaft
Rocker arm bore wear
Rocker arm shaft wear limit
Oli pump
Inner rotor rotor
Max.
Outer rotor-to-pump body
Max.
Rotor side clearance
Max.
Shaft clearance
Max.
0.3 mm (0.012 in.)
0.03 mm (0.0012 in.)
10.000 mm (0.3937 in.)
9.95 mm (0.3917 in.)
0.01
mm (0.0004-0.0016 in.)
0.10 mm in.)
0.75-1.1 5 mm in.)
mm (0.070 In.)
1.25 mm (0.049 in.)
0.040-0.065 mm (0.0016-0.0026 In.)
0.045-0.070 mm
In.)
0.15 mm (0.006 in.)
mm (0.2756 in.)
6.900 mm (0.2717 in.)
0.03 mm (0.0012 in.)
7.000 mm (0.2756 in.)
7.080 mm (0.2878 in.)
7.0 mm (0.276 in.)
38.5 mm (1.52 in.)
37 mm (1.46 in.)
29.2 mm (1.1 5 in.)
16.16 kg at 29.2 mm (35.63
at 1.15 In.)
0.016-0.052 mm (0.0006-0.0020 in.)
0.15 mm (0.006 in.)
14.10 mm (0.555 in.)
13.90 mm (0.547 in.)
0.050-0.105 mm (0.0020-0.0041 in.)
0.15 mm
in.)
0.050-0.105 mm in.)
0.15 mm in.)
mm
0.13 mm (0.005 In.)
mm (0.0006-0.0020 in.)
0.20 mm (0.0079 in.)
Table 2 SPECIFICATIONS AND
Bore
3GM
Stroke
Displacement
3GM
Number of cyilnders
Flring order
Cylinder liner diameter
Cylinder liner protrusion
Cylinder bore diameter
72 mm (2.83 in.)
75 mm (2.95 in.)
72 mm (2.83 In.)
879 cc (53.6 cu. In.)
954 cc (58.2 cu. In.)
3
72.000 mm (2.8346 in.)
0.005-0.075 mm (0.0002-0.0030 in.)
mm in.)
0.02 mm (0.0008 In.)