Kubota SM-E4B Series User Manual

ENGINE
SM-E4B SERIES, WSM
1-S5
Exhaust Valve Timing
[Z602/D902-E4B]
Open
Close
0.87 rad (50 °)
before B.D.C.
0.26 rad (15 °)
after T.D.C.
–
–
Valve Spring (Intake and Exhaust) Tilt
Free Length
Setting Load /
Setting Length
–
31.3 to 31.8 mm
1.24 to 1.25 in.
65 N / 27.0 mm
6.6 kgf / 27.0 mm
15 lbf / 1.06 in.
1.2 mm
0.047 in.
28.4 mm
1.12 in.
55 N / 27.0 mm
5.6 kgf / 27.0 mm
12 lbf / 1.06 in.
Rocker Arm Shaft to Rocker Arm
• Rocker Arm Shaft
• Rocker Arm
Oil Clearance
O.D.
I.D.
0.016 to 0.045 mm
0.00063 to 0.0017 in.
10.473 to 10.484 mm
0.41233 to 0.41275 in.
10.500 to 10.518 mm
0.41339 to 0.41409 in.
0.15 mm
0.0059 in.
–
–
Push Rod Alignment – 0.25 mm
0.0098 in.
Tappet to Tappet Bore
• Tappet
• Tappet Bore
Oil Clearance
O.D.
I.D.
0.016 to 0.052 mm
0.00063 to 0.0020 in.
17.966 to 17.984 mm
0.70733 to 0.70803 in.
18.000 to 18.018 mm
0.70867 to 0.70937 in.
0.10 mm
0.0039 in.
–
–
Timing Gear
• Crank Gear to Idle Gear
• Idle Gear to Cam Gear
• Idle Gear to Injection Pump Gear
• Crank Gear to Oil Pump Drive Gear
Backlash
Backlash
Backlash
Backlash
0.0430 to 0.124 mm
0.00170 to 0.00488 in.
0.0470 to 0.123 mm
0.00185 to 0.00484 in.
0.0460 to 0.124 mm
0.00182 to 0.00488 in.
0.0410 to 0.123 mm
0.00162 to 0.00484 in.
0.15 mm
0.0059 in.
0.15 mm
0.0059 in.
0.15 mm
0.0059 in.
0.15 mm
0.0059 in.
Idle Gear Side Clearance 0.20 to 0.51 mm
0.0079 to 0.020 in.
0.80 mm
0.031 in.
Camshaft Side Clearance
Alignment
0.15 to 0.31 mm
0.0059 to 0.012 in.
–
0.50 mm
0.020 in.
0.01 mm
0.0004 in.
Item Factory Specification Allowable Limit
KiSC issued 01, 2013 A

Kubota SM-E4B Series Specifications

General

Brand	Kubota
Model	SM-E4B Series
Category	Engine
Language	English