Servicing Specifications - Kubota L4400 Workshop Manual

L4400 , WSM

2. SERVICING SPECIFICATIONS

ENGINE BODY
Cylinder Head Surface
Compression Pressure
(When Cranking with Starting Motor)
Difference among Cylinders
Top Clearance
Valve Clearance (When Cold)
Valve Seat
Valve Seat
Valve Face
Valve Stem to Valve Guide
Valve Stem
Valve Guide
Valve Recessing
Valve Timing (Intake Valve)
Tractor Manuals Scotland
Item
Flatness
Width (Intake)
Width (Exhaust)
Width (Intake)
Width (Exhaust)
Angle (Intake)
Angle (Exhaust)
Clearance
O.D.
I.D.
Protrusion
Recessing
Open
Close
Tractor Manuals Scotland - Please Do Not Copy
1-S4
Factory Specification
–
3.53 to 4.02 MPa /
-1
290 min (rpm)
2
36 to 41 kgf/cm /
-1
290 min (rpm)
512 to 583 psi /
-1
290 min (rpm)
–
0.55 to 0.70 mm
0.0217 to 0.0276 in.
0.18 to 0.22 mm
0.0071 to 0.0087 in.
2.12 mm
0.0835 in.
2.12 mm
0.0835 in.
1.047 rad
60 °
0.785 rad
45 °
1.047 rad
60 °
0.785 rad
45 °
0.040 to 0.070 mm
0.00157 to 0.00276 in.
7.960 to 7.975 mm
0.31339 to 0.31398 in.
8.015 to 8.030 mm
0.31555 to 0.31614 in.
0.05 mm
0.0020 in.
0.15 mm
0.0059 in.
0.14 rad (8 °)
before T.D.C.
0.35 rad (20 °)
after B.D.C.
ENGINE
Allowable Limit
0.05 mm / 500 mm
0.0020 in./ 19.69 in.
2.55 MPa /
-1
290 min (rpm)
2
26 kgf/cm /
-1
290 min (rpm)
370 psi /
-1
290 min (rpm)
10 % or less
–
–
–
–
–
–
–
–
0.1 mm
0.0039 in.
–
–
–
0.4 mm
0.0157 in.
–
–
W10138740
KiSC issued 07, 2007 A