Yanmar 4JH45 Dokumentacja Strona 65

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PERIODIC MAINTENANCE
JH Series Operation Manual 59
12/05
Main Bolts and Nuts
Name
Thread Diameter
x Pitch
Lubricating Oil
Application
(thread portion and
seat surface)
Torque N·m (ft-lb)
Head bolt M10 x 1.25 Apply oil 88.2 ± 2.9 (65.1 ± 2.1)
Connecting rod bolt M9 x 1.0 Apply oil 44.1
+4.9/0
(32.5
+3.6/0
)
Flywheel bolt M10 x 1.25 Apply oil 83.3
+4.9/0
(61.4
+3.6/0
)
Metal cap bolt M12 x 1.5 Apply oil 98.0 ± 2.0 (72.3 ± 1.5)
Crank pulley bolt M14 x 1.5 Apply oil 88.2 ± 4.9 (65.1 ± 3.6)
Injector retainer bolt M8 x 1.25 Without oil 26.4 ± 2.0 (19.5 ± 1.5)
Rocker arm support bolt M8 x 1.25 Without oil 25.5 ± 1.5 (18.8 ± 1.1)
Rocker arm cover nut M8 x 1.25 Without oil 13.5 ± 0.5 (10.0 ± 0.4)
Supply pump gear nut M18 x 1.5 Without oil 80.0 ± 5.0 (59.0 ± 3.7)
Retainer bolt for
Flywheel speed sensor
M6 x 1.0 Without oil 8.0 ± 2.0 (5.9 ± 1.5)
Retainer bolt for
Cam shaft speed sensor
M6 x 1.0 Without oil 8.0 ± 0.5 (5.9 ± 0.4)
Retainer nut for
Lubricating Oil Cooler
M20 x 1.5 Without oil 78.5 ± 4.9 (57.9 ± 3.6)
High pressure
pipe nut
Injector M12 x 1.5 Without oil 29.4
+2/-4.4
(21.7
+1.5/-3.2
)
Rail M12 x 1.5 Without oil
Pump M16 x 1.0 Without oil
Glow plug M10 x 1.25 Without oil Body 14.7 to 19.6
(10.8 to 14.5)
M4 x 0.7
Terminal
nut
1.0 to 1.5
(0.7 to 1.1)
Heat exchanger set bolt M8 x 1.25 Without oil 37.2 ± 3.0 (27.4 ± 2.2)
Pressure sensor M6 x 1.0 Without oil 7.0 ± 1.4 (5.2 ± 1.0)
Starter relay terminal nut M6 x 1 Without oil 3.6 ± 0.6 (2.7 ± 0.4)
4JH45_4JH57_4JH80_4JH110_EN_OPM.book 59 ページ 2013年10月8日 火曜日 午後3時58
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