FUEL SYSTEM
6LPA Service Manual
6-17
Fuel Injection Nozzle
12/05
© 2007 Yanmar Marine International
Fuel Injection Nozzle Disassembly
and Inspection
1. Remove the nozzle holder retaining nut to
disassemble the fuel injection nozzle
(Figure 6-18). Avoid dropping internal parts
when disassembling the nozzle.
Figure 6-18
Figure 6-18
2. Remove carbon deposits from the nozzle tip
(Figure 6-19, (1)) with a wooden stick.
Figure 6-19
Figure 6-19
3. NOTICE: Wash all parts with clean diesel fuel.
NEVER touch the nozzle mating surfaces with
bare hands. Remove carbon deposits from the
outside surface of nozzle body using a soft
brass brush, except the lapped surface
(Figure 6-20, (1)).
Figure 6-20
Figure 6-20
4. Check the nozzle body seat and needle tip for
damage and corrosion. If damage or corrosion
is present, replace the nozzle assembly
(Figure 6-21).
Figure 6-21
Figure 6-21
000526
8
0005270
(1)
0005271
(1)
0005272
