Yanmar 6LPA-STP2, Руководство по обслуживанию

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ENGINE
6LPA Service Manual 5-95
Injection Timing Inspection and Adjustment
12/05
© 2007 Yanmar Marine International
Adjustment of Injection Timing
1. Loosen the following nuts and bolts:
(a) Remaining four union nuts
(Figure 5-231, (1)) securing the fuel
injection pipe to the fuel injection pump
(b) Two bolts (Figure 5-231, (2)) securing the
fuel injection pump to the fuel injection pump
stay
(c) Two nuts (Figure 5-231, (3)) securing the
fuel injection pump to the timing gear case.
Note: NEVER loosen the nuts over 90°.
Figure 5-231
Figure 5-231
2. Slightly incline the injection pump to adjust the
plunger stroke. If the stroke is less than the
specification, incline the pump towards the
engine (Figure 5-232). If it is greater than the
specification, incline the pump away from the
engine.
• Adjust gradually by tapping the pump flange
using a brass bar and plastic hammer.
3. Install and torque the two nuts securing the fuel
injection pump to the timing gear case to
185 kgf·cm, 18.14 N·m (13.3 lb-ft).
4. Install and torque the two bolts securing the fuel
injection pump to the fuel injection pump to
700 kgf·cm, 68.65 N·m (50.6 lb-ft).
5. Re-check the plunger stroke using a dial
indicator.
Figure 5-232
Figure 5-232
1 – Brass Bar
2 – Greater than specification
3 – Incline
4 – Less than specification
6. Install and torque the fuel injection pipe union
nuts to 250 kgf·cm, 24.52 N·m (18 lb-ft).
7. Start the engine and check for fuel and oil
leakage.
(1)
(1)
(1)
(1)
(2)
(2)
(
3
)
(
3
)
00052 3 2
(2)
( 3 )
(4)
(1)
00052 33