Honda FG110, Руководство пользователя

Страница: 64 / 81

Date of Issue: February, 2005
© American Honda Motor Co., Inc.
9-9
FG110
• VALVE FACE/STEM O.D.
1. Inspect each valve for pitting or wear irregularities.
2. Inspect each valve stem for bending or abnormal stem
wear.
3. Replace the valve, if necessary.
4. Measure and record each valve O.D. Replace the valves if
their O.D. is smaller than the service limit.
• VALVE GUIDE I.D.
1. Measure and record each valve guide I.D.
2. Replace the cylinder block if the measurement exceeds the
service limit.
• VALVE STEM-TO-GUIDE CLEARANCE
For each valve stem, subtract the O.D. from the corresponding
guide I.D. to obtain the valve stem-to-guide clearance.
Valve Standard Service limit
IN
3.470 ~ 3.485 mm
(0.1366 ~ 0.1372 in)
3.400 mm
(0.1339 in)
EX
3.435 ~ 3.450 mm
(0.1352 ~ 0.1358 in)
3.380 mm
(0.1331 in)
Standard Service limit
3.500 ~ 3.518 mm
(0.1378 ~ 0.1385 in)
3.560 mm
(0.1402 in)
Valve Standard Service limit
IN
0.015 ~ 0.048 mm
(0.0006 ~ 0.0019 in)
0.098 mm
(0.0039 in)
EX
0.050 ~ 0.083 mm
(0.0020 ~ 0.0033 in)
0.120 mm
(0.0047 in)
VALVE FACE