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VALVES AND VALVE SPRINGS
Figure 44
Removing valve and valve spring
Margin
Figure 45
Inspection of valve and valve spring
Figure 46
Valve spring tester
50 / 155
10.2 Removal
1.
2.
3.
10.3 Inspection and repair
Wear and
damage
Check the removed parts. If any parts are found
(Not installed
defective, repair or replace them.
to agricultural
model)
Inspection item
Fatigue and
damage
Free length
(61SG, 63SG)
(Others)
mm [in.]
Set force/Set
Dents and
wear
length
(61SG, 63SG)
Ridge and
damage
(Others)
N (kgf) [lbf]/
mm [in.]
Perpendicularity
Margin mm [in.]
Table 20
ENGLISH
ENGINE MAIN PARTS
Dismount the cylinder head assembly.
Press the valve spring retainer (to compress the
valve spring) and remove the valve lock.
Remove the valve and place it cylinder by cylinder.
Valve fatigue and damage
Standard
40.5 [1.5945]
40.0 [1.5748]
58 (5.94) [13.1]/
35.5 [1.3976]
146 (14.84) [32.7]/
28 [1.1024]
68 (6.89) [15.2]/
35.5 [1.3976]
180 (18.36) [40.5]/
28 [1.1024]
2°
1.0
[0.0394]
Valve inspection and repair
Service Manual Mitsubishi L-Series diesel engines
Service limit
-1
[-0.0394]
-15%
3°
0.5
[0.0197]
Version 08/2004
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