Servicing Specifications - Kubota L3540 Workshop Manual

L3540, L4240, L5040, L5240, L5740, WSM

2. SERVICING SPECIFICATIONS

ENGINE BODY
Compression Pressure
(When Cranking with Starting Motor)
Difference among Cylinders
Valve Clearance (When Cold)
Cylinder Head Surface
Valve Recessing
Valve Stem to Valve Guide
Valve Stem
Valve Guide
Valve Face
Valve Seat
Valve Spring
Item
Flatness
Protrusion
Recessing
Clearance
O.D.
I.D.
Angle (Intake)
Angle (Exhaust)
Angle (Intake)
Angle (Exhaust)
Tilt
Free Length
Setting Load /
Setting Length
1-S4
Factory Specification
3.6 to 4.0 MPa
2
36 to 41 kgf/cm
520 to 580 psi
–
0.18 to 0.22 mm
0.0071 to 0.0087 in.
–
0.05 mm
0.0020 in.
0.15 mm
0.0059 in.
0.040 to 0.070 mm
0.0016 to 0.0027 in.
7.960 to 7.975 mm
0.3134 to 0.3139 in.
8.015 to 8.030 mm
0.3156 to 0.3161 in.
1.0 rad
60 °
0.79 rad
45 °
1.0 rad
60 °
0.79 rad
45 °
–
41.7 to 42.2 mm
1.65 to 1.66 in.
118 N / 35 mm
12.0 kgf / 35 mm
26.5 lbf / 1.4 in.
ENGINE
Allowable Limit
2.5 MPa
2
26 kgf/cm
370 psi
10 % or less
–
0.05 mm / 500 mm
0.0020 in. /
19.7 in.
–
0.4 mm
0.0157 in.
0.1 mm
0.004 in.
–
–
–
–
–
–
1.0 mm
0.039 in.
41.2 mm
1.6220 in.
100 N /35 mm
10.2 kgf /35 mm
22.5 lbf /1.4 in.
W1089502
KiSC issued 04, 2010 A