Yanmar 6LY3 series Service Manual page 161

Fuel Injection Pump / Governor / Timer
12/05
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)).
Initial Torque Timer Housing Bolts
4.0 ± 1 N·m
(0.4 ± 0.1 kgf·m)
(2.9 ± 0.7 lb-ft)
Figure 6-21
Figure 6-21
1 – M8 x 25 (10T) Bolt
2 – M8 x 60 Dummy Bolt
6LY3 Service Manual
(1)
0005677
(2)
0005986
© 2007 Yanmar Marine International
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.
Initial Torque Pump Bottom Bolts
M8 bolt
M10 bolt
Figure 6-23
(1)
Figure 6-23
1 – M8 x 25 Bolt
2 – M10 x 25 Bolt
FUEL SYSTEM
(1)
(2)
0005685
4.0 ± 1 N·m
(0.4 ± 0.1 N·m)
(2.9 ± 0.7 lb-ft)
4.0 ± 1 N·m
(0.4 ± 0.1 N·m)
(2.9 ± 0.7 lb-ft)
(2)
0005686
6-19