SELVA MARINE Moray 25, Руководство по обслуживанию

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5-26
POWR
E
CAMSHAFT AND VALVES
Rocker arm and rocker arm shaft inspection
1. Measure:
●
Rocker arm inside diameter
a
●
Rocker arm shaft outside diameter
b
Out of specification
→
Replace the
defective part(s).
Camshaft inspection
1. Measure:
●
Camshaft lobe dimensions
a
and
b
Out of specification
→
Replace the
camshaft.
Rocker arm inside diameter:
16.000 ~ 16.018 mm
(0.6299 ~ 0.6306 in)
Rocker arm shaft outside
diameter:
15.971 ~ 15.991 mm
(0.6288 ~ 0.6296 in)
Camshaft lobe dimension:
a
IN: 30.884 ~ 30.984 mm
(1.2159 ~ 1.2198 in)
b
IN: 25.95 ~ 26.05 mm
(1.022 ~ 1.025 in)
a
EX: 30.884 ~ 30.984 mm
(1.2159 ~ 1.2198 in)
b
EX: 25.95 ~ 26.05 mm
(1.022 ~ 1.025 in)
2. Measure:
●
Camshaft journal diameter
a
●
Camshaft bearing inside diameter
b
Out of specification
→
Replace the
camshaft.
3. Check:
●
Decompression actuator
Excessive wear
→
Replace the cam-
shaft.
Camshaft journal diameter:
a
: 36.925 ~ 36.945 mm
(1.4537 ~ 1.4545 in)
Camshaft bearing inside
diameter:
b
: 37.000 ~ 37.025 mm
(1.4567 ~ 1.4577 in)