EM -34
ENGINE
DOHC
VALVES
1.
Using a wire brush, clean the valve thoroughly.
ECA9281A
2.
Check each valve for wear, damage and distortion of
the head and the stem at B position. Replace, if nec-
essary. If stem end, A, is hollowed out or worn, resur-
face as necessary. This correction must be limited to
a minimum. Also resurface the valve face.
Replace the valve if the margin has decreased to less
than the service limit.
Margin
[Standard]
Intake : 1.1 mm (0.043 in.)
Exhaust : 1.3 mm (0.051 in.)
[Limit]
Intake : 0.8 mm (0.028 in.)
Exhaust : 1.0 mm (0.040 in.)
Margin
ECKD221A
VALVE SPRINGS
1.
Check the free height of each valve spring. If they
exceed the servicd limit, replace the springs.
2.
Using a square, test the squareness of each spring.
If a spring is excessively out - of - square, replace it.
Valve spring
[Standard]
Free height : 44 mm (1.7323 in.)
Load :
21.6 kg/35 mm (47.6 lb/1.3780 in.)
45.1 kg/27.2 mm (99.4 lb/1.0709 in.)
Out of square : 1.5
[Limit]
Free height : - 1.0 mm (- 0.039 in.)
Out of square : 3
2˚
Free
height
Out-of-square
ECA9281C
Check the valve stem-to-guide clearance. If the clearance
exceeds the service limit, replace the valve guide with the
next oversize part.
Valve stem-to-clearance
[Standard]
Intake : 0.03 ~ 0.06 mm (0.0012 ~ 0.0024 in.)
Exhaust : 0.05 ~ 0.08 mm (0.0020 ~ 0.0031 in.)
[Limit]
Intake : 0.1 mm (0.0040 in.)
Exhaust : 0.15 mm (0.0059 in.)
Valve guide
Guide inside diameter
Stem diameter
ECA9281D
ZENITH POWER PRODUCTS - 416
Содержание ZPP 416
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