Doosan D35S-5 Service Manual page 23

Items
Outer side valve Spring
Free height
Load installed
Winding direction
Out of squareness
Inner side valve spring
Free lenqth
Load Installed
Winding direction
Out of squareness
Cylinder block
Cylinder bore
Torsion of upper crankcase
Flatness of qasket surface
Out of squareness of gasket surface
Clearance between tappet and crankcase
tappet hole
Clearance between piston ring and piston
ring groove
No. 1 ring
No. 2 rlng
Oil ring
Piston ring end gap
No.1 ring
No.2 ring
Oil ring
Average protrusion of piston
Gasket qrade A.
Gasket grade B
Gasket grade C
Piston
Piston outer diameter
Clearance between piston and cylinder
sleeve
Piston pin
Outer diameter of piston pin
Clearance between piston pin and piston pin
hole
Clearance between piston pin and
connecting rod end bush
D439E Service Manual
Standard
([] indicates standard
diameter)
66.1mm
26.5~29.3kg
To the right
1.5mm
60.0mm
11.5~12.7kg
Left side
1.5mm
104.00~104.03mm
Below 0.07mm
0.07mm
0.05mm
[28] 0.045~0.096mm
0.106~0.170mm
0.07~0.11mm
0.03~0.07mm
0.25~0.40mm
0.50~0.65mm
0.20~0.40mm
0.466~0.526mm
0.526~0.588mm
0.588~0.648mm
103.91~103.92mm
0.080~0.130mm
37.994~38.00mm
0.007~0.021mm
[38] 0.025~0.046mm
21 2. Engine Mechanical System (D439E)
Corrective
Limit
action
63mm
23.7kg
2.1mm
Replace
57mm
10.3kg
2.1mm
0.2mm Replace
0.2mm
Replace the
0.2mm
piston ring
0.15mm
0.15mm
1.0mm
Replace
1.5mm
1.0mm
Measure the
average
protrusion and
replace the
gasket with the
corresponding
grade gasket
Repair with
oversize or
replace
0.05mm Replace
0.1mm Replace bush