Kubota M8540 Workshop Manual page 129

M8540, M9540, WSM
ENGINE BODY (Continued)
Valve Stem to Valve Guide
Valve Stem
Valve Guide
Valve Stem to Valve Guide
Valve Stem
Valve Guide
Valve Clearance (Cold)
Intake Valve Timing
Exhaust Valve Timing
Valve Spring
Valve Spring
Item
Clearance (Intake)
O.D. (Intake)
I.D. (Intake)
Clearance
(Exhaust)
O.D. (Exhaust)
I.D. (Exhaust)
Open
Close
Open
Close
Free Length
(Intake)
Free Length
(Exhaust)
Tilt
Setting Load /
Setting Length
(Intake)
Setting Load /
Setting Length
(Exhaust)
1-S6
Factory Specification
0.055 to 0.085 mm
0.0022 to 0.0033 in.
6.960 to 6.975 mm
0.2741 to 0.2746 in.
7.030 to 7.045 mm
0.2768 to 0.2773 in.
0.055 to 0.085 mm
0.0022 to 0.0033 in.
6.960 to 6.975 mm
0.2740 to 0.2746 in.
7.030 to 7.045 mm
0.2768 to 0.2773 in.
0.23 to 0.27 mm
0.0091 to 0.010 in.
0.24 rad (14 °)
before T.D.C.
0.63 rad (36 °)
after B.D.C.
0.79 rad (45 °)
before B.D.C.
0.30 rad (17 °)
after T.D.C.
35.1 to 35.6 mm
1.39 to 1.40in.
35.1 to 35.6 mm
1.39 to 1.40 in.
–
63.5 N / 31.5 mm
6.48 kgf / 31.5 mm
14.3 lbf / 1.24 in.
63.547 N / 31.5 mm
6.48 kgf / 31.5 mm
14.3 lbf / 1.24 in.
ENGINE
Allowable Limit
0.1 mm
0.0039 in.
–
–
0.1 mm
0.0039 in.
–
–
–
–
–
–
–
34.6 mm
1.36 in.
34.6 mm
1.36 in.
1.0 mm
0.039 in.
45.9 N /
31.5 mm
4.68 kgf / 31.5 mm
10.3 lbf /
1.2401 in.
45.9 N /
31.5 mm
4.68 kgf / 31.5 mm
10.3 lbf /
1.2401 in.
W1013874
KiSC issued 09, 2008 A