Yanmar 4BY2, Руководство по обслуживанию, Страница: 150 / 248

FUEL SYSTEM
Repair
6-18
BY Service Manual
© 2009 Yanmar Marine International
4. Remove special tool OEM No. 13 5 192 from
timing case cover (Figure 6-32).
Figure 6-32
Figure 6-32
5. Remove special tool OEM No. 13 5 191 and
install nut (Figure 6-33, (1)). Tighten nut to
65 N·m (48 ft-lb).
Figure 6-33
Figure 6-33
6. Install new O-ring on plug (Figure 6-34, (1)).
Apply a light coat of oil to O-ring and install
plug. Tighten to:
• M30 x 1.0: 70 N·m (52 ft-lb)
• M40 x 1.5: 30 N·m (22 ft-lb)
Figure 6-34
Figure 6-34
7. NOTICE: Start both union nuts on
high-pressure line before tightening either one.
Install high-pressure line and tighten union nuts
(Figure 6-35, (4)) using special tool OEM No.
13 5 020 to 23 N·m (204 in.-lb). See Remove
and Install High-Pressure Fuel Lines on
page 6-14.
Figure 6-35
Figure 6-35
8. Connect fuel return line and banjo bolt
(Figure 6-35, (3)) with new seal washers.
9. Connect fuel supply line (Figure 6-35, (2)).
R13 0673A
000 3 6 8 7
(4)
(1)
(2)
(
3
)