Servicing Specifications - Kubota M8540 Workshop Manual

M8540, M9540, WSM

2. SERVICING SPECIFICATIONS

ENGINE BODY
Cylinder Head Surface
Top Clearance
Compression Pressure
Variance Among Cylinders
Valve Seat
Valve Face
Valve Recessing
Item
Flatness
Angle (Intake)
Angle (Exhaust)
Width (Intake)
Width (Exhaust)
Angle (Intake)
Angle (Exhaust)
Intake
Exhaust
1-S5
Factory Specification
–
0.701 to 0.930 mm
0.0276 to 0.0366 in.
3.47 MPa /
−1
250 min (rpm)
2
35.4 kgf/cm /
−1
250 min (rpm)
503 psi /
−1
250 min (rpm)
–
1.0 rad
60 °
0.79 rad
45 °
1.6 to 2.0 mm
0.063 to 0.078 in.
2.3 to 2.6 mm
0.091 to 0.10 in.
1.0 rad
60 °
0.79 rad
45 °
0.6 to 0.8 mm
0.024 to 0.031 in.
0.850 to 1.05 mm
0.0335 to 0.0413 in.
ENGINE
Allowable Limit
0.05 mm
0.0020 in.
–
2.56 MPa /
−1
250 min (rpm)
2
26.1 kgf/cm /
−1
250 min (rpm)
371 psi /
−1
250 min (rpm)
10 % or less
–
–
–
–
–
–
1.2 mm
0.0472 in.
1.2 mm
0.0472 in.
W10138740
KiSC issued 09, 2008 A