Yanmar 6LPA-STP2, Руководство по обслуживанию

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ENGINE
5-20 6LPA Service Manual
Cylinder Head
© 2007 Yanmar Marine International
Cleaning, Inspection and Servicing
Cylinder Head Cleaning and Inspection
1. Turn the crankshaft to bring each piston to top
dead center. Remove all carbon deposits from
the piston tops using a scraper (Figure 5-17).
Figure 5-17
Figure 5-17
2. Remove all gasket materials from the top deck
surface of cylinder block (Figure 5-18).
NOTICE: AVOID damaging the cylinder block
deck surface during cleaning.
Figure 5-18
Figure 5-18
3. Using compressed air, clean out all carbon
deposits and oil from the bolt holes. WARNING!
ALWAYS wear protective goggles when
using compressed air.
4. Remove all gasket materials from the cylinder
head deck surface, using a scraper
(Figure 5-19). NOTICE: AVOID damaging the
cylinder head deck surface during cleaning.
Figure 5-19
Figure 5-19
5. Remove all carbon deposits from the intake and
exhaust valve seats, using a wire brush
(Figure 5-20). NOTICE: AVOID damaging the
valve seat surfaces during cleaning.
Figure 5-20
Figure 5-20
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