Kubota D650-B Handbuch Seite 234

0950·8
CYLINDER HEAD
f
---~
i
Distortion
o~-=~~~nder
head surface
I Thickness of gasket ______
~
__
~
!_~hi~ness of gasket sh~~__
0.2 mm (0.0079 in.)
I
Top clearance 0.6 to 0.8 mm (0.0236 to 0.031
______ M. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ M. _ _ _ _ _ _ _ _ _ _ _ _ _ _
39.2 to 44.1 Nm 64.7 to 69,6 Nm
• Tightness of head bolts and nuts 4.0 to 4.5 kgf·m 6.6 to 7.1 kgf.m
(28.9 to 32.5 ft-Ibs) (47.7 to 51.4 ft-Ibs)
VALVES
*
R.V. ; Reference Value A.L. ; Allowable Limit
____
~~~+_-~-When
tightened 1.05 to 1.15 mm (0.0413 to
7.010 to 7.025 mm (0.2759 to 0.2765 in.)
0.035 to 0.065 mm (0.0014 to 0.0026 in.)
0.1 mm (0.004 in.)
0.9 to 1.1 mm (0.035 to 0.043 in.)
- + - - - - - - - ­
Valve recessing
(A.L.J 1.3 mm (0.051 in.)
Valve clearance (Intake, Exhaust)
Cold 0.145 to 0.185 mm (0.0057 to 0.0073 in.)
VALVE SPRINGS
(R.V.)
(A.L.)
35.1 to 35.6 mm (1.382 to 1.402 in.)
34.8 mm (1.37 in.)
Load to compress to fitted length
(R.V.)
(A.L.)
30.99 mm (1.2201 in.)
74N/31 mm (7.5 kgf/31 mm. 16.5Ibs/1.22 in.)
63N/31 mm (6.4 kgf/31 mm, 14.1 Ibs/l.22 in.)
i
!
Squareness 1.3 mm (0.051 in.)
VALVE ROCKER ARMS
rocker arm shafts
rocker arm bushings
10.973 to 10.984 mm (0.4320 to 0.4324 in.)
mm (0.4330 to 0.4346 in.)
mm (0.0005 to 0.0026 in.)
2 mm (0.0047 in.)
mm (0.0295 to 0.0443 in.)
238