Yanmar 1GM10, Shop Manual

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98
CHAPTER FIVE
Table 1 ENGINE SPECIFICATIONS GM. 1
01
Camshaft
Valve lobe lift
Fuel pump lobe lift
Journal diameter
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
Valve head margin
Seat width (int. and exh.)
Valve depth-max.
Valve stem clearance (int. and exh.)
Max. stem clearance
Valve stem diameter
Valve stem wear limit
Valve stem runout-max.
Valve guide diameter
Valve guide wear limit
Valve guide protrusion
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 limit
Rocker arm shaft wear limit
Oil pump
Inner rotor tip-to-outer rotor tip
Max.
Outer rotor-to-pump body
Max.
Rotor side clearance
Max.
Shaft clearance
Max.
29.000
mm
(1
in.)
22.000
mm
(0.8661
in.)
20.000
mm
(0.7874
in.)
0.02 mm max. (0.0008 in. max.)
0.05-0.13 mm (0.002-0.005 in.)
0.3
mm
(0.012
in.)
0.03
mm
(0.0012
in.)
Mechanical
10.000
mm
(0.3937
in.)
9.95 (0.3917 in.)
0.025-0.060
mm
(0.0010-0.0024
0.10
mm
(0.004
in.)
45"
0.75-1.15 (0.030-0.045
in.)
mm
(0.070
in.)
1.25
mm
(0.049
in.)
0.045-0.070
mm in.)
0.15
mm
(0.006
In.)
7.000
mm
(0.2756
6.900
mm
(0.2717
in.)
0.03 mm (0.0012
7.000
mm
(0.2756
mm)
7.080
mm
(0.2878
in.)
7.0 (0.276
38.5 mm (1 in.)
37
mm
(1.46
29.2 (1.15
in.)
16.16 kg at 29.2 mm
(35.63 Ib. at 1.15 in.)
0.016-0.052 (0.0006-0.0020 in.)
0.15
mm
(0.006
in.)
12.10
mm
(0.476
in.)
11.90
mm
(0.468
in.)
0.050-0.105 mm in.)
0.15
mm
(0.006
in.)
0.050-0.105
mm
(0.0020-0.0041
in.)
0.15 mm (0.006 in.)
mm
0.13 (0.005
in.)
0.015-0.050 mm (0.0006-0.0020 in.)
0.20
mm
(0.0079
Table 2 TIGHTENING TORQUES
Fastener
Camshaft gear 52-59
Connecting rod bolts 25 18
Crankshaft nut 00 59-74
Cylinder head nut
75 55
Exhaust elbow
45 33
Flywheel
65-70 48-52
Main bearing housing 25 18
Oil pump
9 80
Rocker shaft support 37 27
Timing
9 80