Timing Gear Installation - Yanmar 6LPA-STP2 Service Manual

Timing Gear
12/05

Timing Gear Installation

1. Install the timing gear with its timing mark
(Figure 5-211, (1)) facing to the front.
2. Align the gear key on the crankshaft to the key
groove of timing gear.
3. Tap in the timing gear using a suitable tool
(Figure 5-211, (2)) to install.
Figure 5-211
Figure 5-211
4. Install the fuel injection pump drive gear,
aligning the key on the drive shaft to the key
groove of the drive gear.
5. Install a new O-ring (Figure 5-212, (1)) in the
drive gear groove.
6. Install the gear nut.
7. Tighten the gear nut and torque to
1,000 kgf·cm, 98.07 N·m (72.3 lb-ft)
(Figure 5-212).
Figure 5-212
(1)
Figure 5-212
6LPA Service Manual
(1)
(2)
0005211
0005212
© 2007 Yanmar Marine International
8. Install the idler gear shaft by aligning the bolt
holes of the idler gear shaft to the bolt holes of
the cylinder block.
9. Align timing marks "3" and "4" of the idler gear
(Figure 5-213, (1)) to the corresponding timing
marks "3" (Figure 5-213, (2)) of the crankshaft
timing gear and timing mark "4"
(Figure 5-213, (3)) of the fuel injection pump
drive gear by turning the fuel injection pump
drive gear using a suitable tool
(Figure 5-213, (4)).
Figure 5-213
(3)
(2)
Figure 5-213
10. Install the thrust plate using 2 bolts
(Figure 5-214, (1)) and torque to 694 kgf·cm,
68.06 N·m (50.2 lb-ft).
Figure 5-214
(1)
Figure 5-214
ENGINE
(4)
(1)
0005213
(1)
0005214
5-87