FUEL SYSTEM
6LPA Service Manual
6-23
Fuel Injection Nozzle
12/05
© 2007 Yanmar Marine International
Checking No. 2 Opening Pressure
1. Assemble the nozzle assembly as shown in
Figure 6-36. NOTICE: Exclude the No. 1
pressure spring and pressure pin. Align the
holes of the nozzle body, tip packing and nozzle
holder body (Figure 6-37).
Figure 6-36
Figure 6-36
1 – Nozzle Holder Body
2 – No. 1 Pressure Spring Seat
3 – Adjusting Shim
4 – No. 2 Pressure Spring
5 – No. 2 Pressure Spring Seat
6 – Tip Packing
7 – Straight Pins
8 – Lift Adjusting Shim
9 – Nozzle Assembly
10 – Nozzle Holder Retaining Nut
Figure 6-37
Figure 6-37
2. Tighten the nozzle holder retaining nut using a
14 mm socket (Figure 6-38, (1)) torque to:
300 kgf·cm, 29.42 N·m (22 lb-ft).
NOTICE: NEVER tighten excessively.
Otherwise, deformation, adhesion or other
defects may occur.
Figure 6-38
Figure 6-38
3. Install the fuel injection valve to the nozzle
tester and bleed the air out from the union nut
(Figure 6-39). WARNING! Never put your
hands over the nozzle injection hole.
Figure 6-39
Figure 6-39
4. Pump the tester handle several times as quickly
as possible to discharge foreign matter from the
injection hole.
(1)
(2)
(
3
)
(4)
(7)
(6)
(5)
(
8
)
(9)
(10)
000529
8
0005299
(1)
00054
3
6
00054
3
7
Содержание 6LPA-STP2
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