Yanmar 6LY3 series Service Manual page 164

FUEL SYSTEM
16. Install the pump gear (Figure 6-31, (1)) with the
pump gear index marks (Figure 6-31, (4))
around the idler gear index mark "B"
(Figure 6-31, (3)). The pump drive gear and the
idler are machined to very close tolerances.
NEVER attempt to drive gears into alignment
with a hammer. Ensure there is no trash or dirt
attached to the timer piston.
Figure 6-31
(1)
(4)
Figure 6-31
1 – Pump Gear
2 – Idler Gear
3 – Idler Gear Index Mark "B"
4 – Pump Gear Index Marks
6-22
(2)
(3)
0005674
© 2007 Yanmar Marine International
Fuel Injection Pump / Governor / Timer
17. Align the FIC lock bolt holes of the damper shaft
(Figure 6-32, (2)) with the fuel injection pump
gear (Figure 6-32, (1)). Tighten them together
while turning the pump gear counterclockwise
to take up the gear lash. Tighten the bolts to the
following specified value.
FIC Lock Bolt Torque
36.8 ± 2 N·m
(3.8 ± 0.2 kgf·m)
(27.1 ± 1.4 lb-ft)
Figure 6-32
(1)
(2)
Figure 6-32
1 – Fuel Injection Pump Gear
2 – Damper Shaft
3 – M10 Bolt
18. Remove the FIC lock bolt (Figure 6-33, (1)) and
collar.
Figure 6-33
(1)
Figure 6-33
1 – FIC Lock Bolt
6LY3 Service Manual
(3)
0005695
0005675