Servicing Specifications - Kubota SM-E4B Series Workshop Manual

SM-E4B SERIES, WSM

2. SERVICING SPECIFICATIONS

ENGINE BODY
Valve Clearance (Cold)
Compression Pressure
• Difference among Cylinders
Top Clearance
Cylinder Head Surface
Valve Recessing (Intake and Exhaust)
Valve Stem to Valve Guide
(Intake and Exhaust)
• Valve Stem
• Valve Guide
Valve Face (Intake and Exhaust)
Valve Seat (Intake and Exhaust)
Intake Valve Timing
[Z482/D722/D782-E4B]
Exhaust Valve Timing
[Z482/D722/D782-E4B]
Intake Valve Timing
[Z602/D902-E4B]
Item
Z482-E4B
D722-E4B
D782-E4B
Z602-E4B
D902-E4B
Flatness
Clearance
O.D.
I.D.
Angle
Angle
Width
Open
Close
Open
Close
Open
Close
1-S4
Factory Specification
0.145 to 0.185 mm
0.00571 to 0.00728 in.
2.85 to 3.23 MPa
2
29.0 to 33.0 kgf/cm
413 to 469 psi
3.53 to 4.02 MPa
2
36.0 to 41.0 kgf/cm
512 to 583 psi
–
0.50 to 0.70 mm
0.020 to 0.027 in.
–
−0.10 to 0.10 mm
−0.0039 to 0.0039 in.
0.030 to 0.057 mm
0.0012 to 0.0022 in.
5.968 to 5.980 mm
0.2350 to 0.2354 in.
6.010 to 6.025 mm
0.2367 to 0.2372 in.
0.79 rad
45 °
0.79 rad
45 °
2.12 mm
0.0835 in.
0.445 rad (25.5 °)
before T.D.C.
0.881 rad (50.5 °)
after B.D.C.
0.969 rad (55.5 °)
before B.D.C.
0.201 rad (11.5 °)
after T.D.C.
0.35 rad (20 °)
before T.D.C.
0.79 rad (45 °)
after B.D.C.
ENGINE
Allowable Limit
–
2.26 MPa
2
23.0 kgf/cm
327 psi
2.55 MPa
2
26.0 kgf/cm
370 psi
10 % or less
–
0.05 mm
0.002 in.
0.30 mm
0.012 in.
0.10 mm
0.0039 in.
–
–
–
–
–
–
–
–
–
–
–
KiSC issued 01, 2013 A