Kubota SM-E4B Series Workshop Manual page 69

SM-E4B SERIES, WSM
Exhaust Valve Timing
[Z602/D902-E4B]
Valve Spring (Intake and Exhaust)
Rocker Arm Shaft to Rocker Arm
• Rocker Arm Shaft
• Rocker Arm
Push Rod
Tappet to Tappet Bore
• Tappet
• Tappet Bore
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
Idle Gear
Camshaft
Item
Open
Close
Tilt
Free Length
Setting Load /
Setting Length
Oil Clearance
O.D.
I.D.
Alignment
Oil Clearance
O.D.
I.D.
Backlash
Backlash
Backlash
Backlash
Side Clearance
Side Clearance
Alignment
1-S5
Factory Specification
0.87 rad (50 °)
before B.D.C.
0.26 rad (15 °)
after T.D.C.
–
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.
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.
–
0.016 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.
0.0430 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.
0.20 to 0.51 mm
0.0079 to 0.020 in.
0.15 to 0.31 mm
0.0059 to 0.012 in.
–
ENGINE
Allowable Limit
–
–
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.
0.15 mm
0.0059 in.
–
–
0.25 mm
0.0098 in.
0.10 mm
0.0039 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.
0.80 mm
0.031 in.
0.50 mm
0.020 in.
0.01 mm
0.0004 in.
KiSC issued 01, 2013 A