FUEL SYSTEM
Fuel Injection Pump / Governor / Timer
12/05
6LY3 Service Manual
6-19
© 2007 Yanmar Marine International
7. Install the fuel pump assembly in the drive shaft
housing and initially tighten the bolts
(Figure
6-21, (1))
for timer housing. Install two dummy
bolts
(Figure 6-21, (2))
.
NOTICE: NEVER damage the electromagnetic
valve. Confirm that the timer of the fuel pump
assembly is in the most advanced position.
The piston (Figure 6-22, (1)) extends 7 mm
(0.276 in.) past the force of the timer flange
(Figure 6-22, (2)).
Figure 6-21
Figure 6-21
1 – M8 x 25 (10T) Bolt
2 – M8 x 60 Dummy Bolt
Figure 6-22
Figure 6-22
1 – Piston
2 – Timer Flange
8. Ensure the threads are clean and dry. Initially
tighten the bolts
(Figure 6-23, (1))
on the pump
bottom bracket to the cylinder block.
Confirm that there is no gap between the bracket
and the cylinder block.
Figure 6-23
Figure 6-23
1 – M8 x 25 Bolt
2 – M10 x 25 Bolt
Initial Torque Timer Housing Bolts
4.0 ± 1 N·m
(0.4 ± 0.1 kgf·m)
(2.9 ± 0.7 lb-ft)
(1)
0005677
(2)
00059
8
6
Initial Torque Pump Bottom Bolts
M8 bolt
4.0 ± 1 N·m
(0.4 ± 0.1 N·m)
(2.9 ± 0.7 lb-ft)
M10 bolt
4.0 ± 1 N·m
(0.4 ± 0.1 N·m)
(2.9 ± 0.7 lb-ft)
7
00056
8
5
(1)
(2)
(2)
(1)
00056
8
6
