Yanmar 6LPA-STP2 Service Manual page 196

FUEL SYSTEM
7. Install the tip packing and straight pins into the
special tool as shown (Figure 6-28).
Figure 6-28
Figure 6-28
1 – Special Tool
2 – Top
3 – Bottom
8. Adjust the dial indicator reading to zero on the
special tool or square block, using the special
tool (Figure 6-29, (1)).
9. Install the straight pins into the tip packing and
then into the holes in the special tool
(Figure 6-29, (1)) and then measure dimension
(L2).
6-20
(2)
(3)
(1)
0005288
© 2007 Yanmar Marine International
Figure 6-29
(1)
Figure 6-29
10. Measure dimension (L3) (Figure 6-30) of the
adjusting shim, using a micrometer. If the
measured needle lift is out of the specified
range, change the adjusting shim. NOTICE:
Increasing the shim thickness reduces the
needle lift.
• Needle lift = (L1+L2) - L3
• Needle lift: 0.26 to 0.31 mm (0.0102 to
0.0122 in.)
Figure 6-30
Figure 6-30
6LPA Service Manual
Fuel Injection Nozzle
(1)
(L2)
(1)
0005289
(L3)
0005290