Servicing Specifications; Servicing Specification For Engine - Kubota WSM 05-E4B Series Workshop Manual

SERVICING
2. Servicing specifications

2. Servicing specifications

2.1 Servicing specification for engine

Engine body
Cylinder head surface
Top clearance
Compression pressure
Variance among cylinders
Valve seat
Valve face
Valve recessing
Valve stem to valve guide
• Valve stem
• Valve guide
Valve clearance (Cold)
Valve spring
Rocker arm shaft to rocker arm
• Rocker arm shaft
• Rocker arm
05-E4B SERIES,05-E4BG SERIES
Item
Flatness
D1005-E4B / E4BG
D1105-E4B / E4BG
V1505-E4B / E4BG
D1305-E4B / E4BG
Angle (Intake)
Angle (Exhaust)
Width
Angle (Intake)
Angle (Exhaust)
Clearance
O.D.
I.D.
Free length
Tilt
Setting load / Setting length (In-
take)
Oil clearance
O.D.
I.D.
Service specification
－
0.55 to 0.75 mm
0.022 to 0.029 in.
0.80 to 1.0 mm
0.032 to 0.039 in.
(Reference value)
-1
3.73 to 4.11 MPa / 200 min
(rpm)
2 -1
38.0 to 42.0 kgf/cm / 200 min
(rpm)
-1
541 to 597 psi / 200 min (rpm)
－
1.0 rad
60°
0.79 rad
45°
2.12 mm
0.0835 in.
1.0 rad
60°
0.79 rad
45°
-0.050 to 0.25 mm
-0.0020 to 0.0098 in.
0.035 to 0.065 mm
0.0014 to 0.0025 in.
6.960 to 6.975 mm
0.2741 to 0.2746 in.
7.010 to 7.025 mm
0.2760 to 0.2765 in.
0.145 to 0.185 mm
0.00571 to 0.00728 in.
31.3 to 31.8 mm
1.24 to 1.25 in.
－
117.4 N / 31.0 mm
11.97 kgf /31.0 mm
26.39 lbf / 1.22 in.
0.016 to 0.045 mm
0.00063 to 0.0017 in.
11.973 to 11.984 mm
0.47138 to 0.47181 in.
12.000 to 12.018 mm
0.47244 to 0.47314 in.
4. ENGINE
Service limit
0.05 mm
0.002 in.
－
－
-1
2.26 MPa / 200 min (rpm)
2 -1
23.0 kgf/cm / 200 min (rpm)
-1
327 psi / 200 min (rpm)
10 % or less
－
－
－
－
－
0.10 mm
0.0039 in.
0.10 mm
0.0039 in.
－
－
－
30.3 mm
1.19 in.
1.0 mm
0.039 in.
100 N / 31.0 mm
10.20 kgf / 31.0 mm
22.48 lbf / 1.22 in.
0.10 mm
0.0039 in.
－
－
(Continued)
4-9
KiSC issued 03, 2023 A