ENGINE
Inspecting the Cylinder Block and Components
5-34
6LY3 Service Manual
© 2007 Yanmar Marine International
Checking Spring Retainer and Spring
Cotters
1. Inspect the inside face of the spring retainer.
2. Inspect the outside surface of the spring cotter.
3. Inspect the contact area of the spring cotter
inside surface and the notch in the head of the
valve stem.
4. Replace the spring retainer and spring cotters
when the contact area is less than 70%, or
when the spring cotters have worn excessively.
Inspecting the Injection Nozzle Sleeves
Lubricate the nozzle O-rings
(Figure 5-32, (1))
with
clean engine oil. Insert the nozzle sleeve
(Figure 5-32, (2))
into the cylinder head and torque
to the value shown below.
Figure 5-32
Figure 5-32
1 – O-Ring
2 – Nozzle Sleeve
3 – M13
4 – Gasket
Nozzle Sleeve Torque
57.8 ± 4.9 N·m
(5.89 ± 0.50 kgf·m)
(43 ± 3.6 lb-ft)
Part Name
Part No.
Nozzle Sleeve
119578-11820
O-Ring (1AP22A)
24311-350220
Nozzle Sleeve Gasket
119578-11960
000561
3
(2)
(
3
)
(4)
(1)
0005614
(2)
