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 6-2 2
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 6-2 3
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)
0005986
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
0005685
(1)
(2)
(2)
(1)
0005686
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