Honda EG3600CX Manual page 188

82Z30000.book 7 ページ ２０１０年６月２５日 金曜日 午後５時５０分
VALVE FACE
Inspect each valve for face irregularities.
If necessary, replace the valve (page 13-4).
VALVE STEM O.D.
Inspect each valve for bending or abnormal stem wear.
If necessary, replace the valve (page 13-4).
Measure and record each valve stem O.D.
STANDARD:
SERVICE LIMIT:
If the measurement is less than the service limit,
replace the valve (page 13-4).
GUIDE-TO-STEM CLEARANCE
Subtract each valve stem O.D. from the corresponding
guide I.D. to obtain the stem-to-guide clearance.
STANDARD:
SERVICE LIMIT:
If the calculated clearance is more than the service limit,
replace the following:
– Valves (page 13-4)
– Valve guide (page 13-8)
VALVE SPRING FREE LENGTH
Measure the valve spring free length.
STANDARD:
SERVICE LIMIT:
If the measured length is less than the service limit,
replace the valve spring (page 13-4).
IN: 6.575 – 6.590 mm
(0.2589 – 0.2594 in)
EX: 6.535 – 6.550 mm
(0.2573 – 0.2579 in)
IN: 6.44 mm (0.254 in)
EX: 6.40 mm (0.252 in)
IN: 0.010 – 0.037 mm
(0.0004 – 0.0015 in)
EX: 0.050 – 0.077 mm
(0.0020 – 0.0030 in)
IN: 0.11 mm (0.004 in)
EX: 0.13 mm (0.005 in)
39.0 mm (1.54 in)
37.5 mm (1.48 in)
CYLINDER HEAD
VALVE FACE
13-7