Cylinder Head - Yanmar 1GM10 Shop Manual
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Also See for 1GM10:
- Service manual (464 pages) ,
- Operation manual (94 pages) ,
- Shop manual (241 pages)
Table of Contents
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98
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 clearancemax.
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.
Fastener
Camshaft gear
Connecting rod bolts
Crankshaft nut
Cylinder head nut
Exhaust elbow
Flywheel
Main bearing housing
Oil pump
Rocker shaft support
Timing gearcase
Table 1 ENGINE SPECIFICATIONS I1 GM. 1 OM1 01 (continued1
Table 2 TIGHTENING TORQUES
25
75
45
65-70
25
9
37
9
29.000
mm
( 1 .I417
in.)
mm
in.)
22.000
(0.8661
mm
in.)
20.000
(0.7874
mm max.
in. max.)
0 . 0 2
(0.0008
0.05-0.13
mm
(0.002-0.005
0 . 3
mm
(0.012
in.)
mm
in.)
0 . 0 3
(0.0012
Mechanical
mm
in.)
10.000
(0.3937
in.)
9 . 9 5
(0.3917
mm
0.025-0.060
(0.0010-0.0024
mm
in.)
0 . 1 0
(0.004
45"
0.75-1.15
(0.030-0.045
mm
in.)
(0.070
mm
in.)
1 . 2 5
(0.049
mm
0.045-0.070
mm
In.)
0.15
(0.006
mm
7 . 0 0 0
(0.2756
mm
in.)
6.900
(0.2717
0 . 0 3
mm
(0.0012
7.000
mm
(0.2756
mm)
mm
in.)
7.080
(0.2878
7 . 0
(0.276
3 8 . 5
mm
( 1 52
in.)
37
mm
( 1 . 4 6
in.)
2 9 . 2
( 1 . 1 5
kg at
mm
1 6 . 1 6
2 9 . 2
(35.63
Ib. at
1 . 1 5
in.)
0.016-0.052
(0.0006-0.0020
mm
in.)
0 . 1 5
(0.006
mm
in.)
1 2 . 1 0
(0.476
1 1 . 9 0
mm
(0.468
in.)
mm
0.050-0.105
mm
in.)
0 . 1 5
(0.006
0.050-0.105
mm
(0.0020-0.0041
0 . 1 5
mm
(0.006
in.)
mm
in.)
0 . 1 3
(0.005
mm
0.015-0.050
(0.0006-0.0020
mm
0 . 2 0
(0.0079
52-59
18
59-74
55
33
48-52
18
27
CHAPTER FIVE
in.)
in.)
in.)
in.)
in.)
in.)
in.)
80
80
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