37
Disassembly/Inspection and Service
18 690 01 Rev. C
KohlerEngines.com
Valve Details
D
D
D
B
C
A
E
Item
Dimension
Intake
Exhaust
A
Head Diameter—Speci
fi
cation
25 mm + 0.1 mm
(0.9842 in. + 0.0039 in.)
24 mm + 0.1 mm
(0.9449 in. + 0.0039 in.)
Head Diameter—Maximum
25.1 mm (0.9881 in.)
24.1 mm (0.9488 in.)
Head Diameter—Service Limit
24.9 mm (0.9803 in.)
23.9 mm (0.9409 in.)
B
Stem Diameter—Speci
fi
cation
5.5 mm (0.217 in.)
5.438 mm (0.214 in.)
Stem Diameter—Maximum
5.491 mm (0.216 in.)
5.430 mm (0.214 in.)
Stem Diameter—Service Limit
5.340 mm (0.210 in.)
5.280 mm (0.208 in.)
C
Valve Length—Speci
fi
cation
64 mm + 0.15 mm
(2.5197in. + 0.0059 in.)
62 mm + 0.15 mm
(2.4409 in. + 0.0059 in.)
Valve Length—Maximum
64.15 mm (2.5256 in.)
62.15 mm (2.4468 in.)
Valve Length—Service Limit
64.15 mm (2.5256 in.)
62.15 mm (2.4468 in.)
D
Face/Seat Width—Maximum
2.0 mm (0.079 in.)
2.0 mm (0.079 in.)
E
Face/Seat Angle
90°-90.5°/89.5°-90°
90-90.5°/89.5°-90°
Stem to Guide—Speci
fi
cation
0.024 mm (0.0009 in.)
0.098 mm (0.0038 in.)
Stem to Guide—Maximum
0.039 mm (0.0015 in.)
0.112 mm (0.0044 in.)
Stem to Guide—Service Limit
0.10 mm (0.0039 in.)
0.12 mm (0.0047 in.)
Stem to Guide Running Clearance—Speci
fi
cation
0.020 mm (0.0008 in.)
0.030 mm (0.0008 in.)
Stem to Guide Running Clearance—Maximum
0.044 mm (0.0017 in.)
0.054 mm (0.0021 in.)
Stem to Guide Running Clearance—Service Limit
0.10 mm (0.0039 in.)
0.12 mm (0.0047 in.)
Valve Guide – Speci
fi
cation
5.5 mm (0.2165 in.)
5.5 mm (0.2165 in.)
Valve Guide – Maximum
5.512 mm (0.2170 in.)
5.512 mm (0.2170 in.)
Содержание T27710
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