Doosan P158LE -III, Operation & Maintenance Manual, Page: 158 / 165

Appendix - 155 -
Items Specifications Remarks
Crank shaft
Crankshaft’s axial direction’s clearance
Main bearing thickness
Standard
Oversize 0.10
Oversize 0.25
Oversize 0.50
Oversize 0.75
Oversize 1.00
Main bearing oil gap
Main bearing spread
Thrust bearing’s spread
0.190 ~ 0.322
3.460 ~ 3.472
3.510 ~ 3.522
3.585 ~ 3.597
3.710 ~ 3.722
3.835 ~ 3.847
3.960 ~ 3.972
0.066 ~ 0.132
0.3 ~ 1.2
0.3 ~ 1.2
Flywheel
Ring Gear assembly part’s Outside diameter
Ring gear inside diameter
Overlap
Heat fitting temp. (
°
C)
Allowable shaking amount after assembly
Outside diameter after reassembly used ring
432.490 ~ 432.645
432.000 ~ 432.155
0.335 ~ 0.645
200 ~ 230
0.5
114.980 ~ 115.015
Cylinder head
& valve
Head gasket thickness (after tightening bolts)
Cylinder head height
Cylinder head seal surface roughness
Valve projecting amount
Exhaust valve
Stem diameter
Radius direction clearance
Seat angle
Head diameter
“H” thickness of valve head
Valve seat part diameter of head
Outside diameter of valve seat
Intake valve
Stem diameter
Radius direction clearance
Seat angle
Head diameter
“H” thickness of valve head
Valve seat part diameter of head
Outside dia. of valve seat
Depth of head’s valve seat assembly part
Valve guide inside diameter
Valve guide’s inside diameter of head
Valve guide’s outside diameter
Valve guide assembly locking piece
Valve seat’s shaking
1.205 ~ 1.295
113.9 ~ 114.0
max. 16
µ
- 0.65 ~ - 0.95
11.945 ~ 11.955
0.045 ~ 0.073
45
°
50.9 ~ 51.1
1.9 ~ 2.3
53.00 ~ 53.03
53.10 ~ 53.11
11.969 ~ 11.980
0.020 ~ 0.049
30
°
57.85 ~ 58.15
2.6 ~ 3.0
61.00 ~ 61.03
61.10 ~ 61.11
12.5 ~ 12.6
12.000 ~ 12.018
18.000 ~ 18.018
18.028 ~ 18.046
0.010 ~ 0.046
0.04
61 H7
12 H7
18 H7
18.25 S7
reference to
valve guide