Yanmar 6LPA-STP2, Руководство по обслуживанию

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ENGINE
5-30 6LPA Service Manual
Cylinder Head
© 2007 Yanmar Marine International
(e) Install the 7 bearing caps with 14 bolts.
Tighten the 14 bolts in uniform steps in the
sequence shown in Figure 5-48.
Tightening torque: 250 kgf·cm, 24.52 N·m
(18.08 lb-ft)
Note: NEVER turn the camshaft during
tightening.
Figure 5-48
Figure 5-48
(f) Loosen the 14 bolts in uniform steps in the
sequence shown in Figure 5-49 and
remove.
(g) Remove the 7 bearing caps.
Figure 5-49
Figure 5-49
(h) Measure the plastigage at the widest point
(Figure 5-50).
If measured oil clearance is greater than the
specified maximum, replace the camshaft, and
inspect and replace the bearing caps and
cylinder head as needed.
• Standard oil clearance:
No. 1: 0.022 to 0.074 mm 0.0008 to 0.0029 in.)
Others: 0.023 to 0.075 mm (0.0009 to
0.0030 in.)
• Maximum oil clearance: 0.10 mm (0.004 in.)
Figure 5-50
Figure 5-50
(i) Completely remove the plastigage.
(j) Install the 7 bearing caps to the valve rocker
shaft.
(12)
(11)
( 8 )
(7)
(4)
( 3 )
(2)
(1)
(6)
(5)
(10)
(9)
(14)
(1 3 )
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( 3 )
(4)
(7)
( 8 )
(11)
(12)
(1 3 )
(14)
(9)
(10)
(5)
(6)
(1)
(2)
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