2
-34
Apr. 2007
DSC48
12
12
15
11
14
1
8
1
3
4
8
1
3
2
7
6
10
5
9
A
417W252A
417W250A
417W251A
►
CYLINDER HEAD
1. Remove the bolts in the speci
fi
ed sequence as shown in
the
fi
gure. Remove the cylinder head (1) and head gas-
ket.
• To loosen: (18) to (1), To tighten: (1) to (18)
2. Remove the water
fl
ange (2).
3. Take out the tappets from the cylinder block.
(1) Cylinder
head
(3) Water
fl
ange
(2) Head
gasket
►
VALVES
1. Compress the valve spring with the valve spring replac-
ing tool and remove the collet (2).
2. Remove the valve spring retainer (3), valve spring (4),
valve stem seal (5), and valve (1).
<When reassembling>
• Apply oil to the valve's stem and install it in the cylinder
head.
• Lubricate the valve and its parts after reassembling.
1
2
3
4
5
(1) Valve
(4) Valve
spring
(2) Valve spring collet
(5) Valve stem seal
(3) Valve spring retainer
• Mark the cylinder number to the tappets to prevent
interchanging.
CAUTION
<When reassembling>
• Apply a liquid gasket to both sides of the water
fl
ange
gasket.
• Replace the head gasket with new one and place it on
the cylinder block. Be careful of its correct direction and
side.
• Before installing the tappets, apply engine oil to them.
• Apply oil to the threads of the bolts and nuts, and
tighten them step by step in the speci
fi
ed sequences to
the speci
fi
ed torque as shown in the
fi
gure.
• Check the torque again after running the engine for
approx. 30 minutes after installing the engine. Also,
adjust the valve clearance.
IMPORTANT
• Do not interchange valves and their parts. Mark the
cylinder number on each valve and its parts to prevent
interchanging.
IMPORTANT
(A) Gear
case
Tightening torque
103.0 ~ 107.9 Nm
10.5 ~ 11.0 kgf-m
76.0 ~ 79.6 lb-ft
Содержание DSC48
Страница 1: ...DSC48 COMBINE HARVESTER WORKSHOP MANUAL...
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Страница 38: ...MEMO...
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Страница 196: ...MEMO...
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Страница 251: ...Apr 2007 7 11 DSC48 2 3 WIRING DIAGRAM 417W717A...
Страница 262: ...7 22 Apr 2007 DSC48 4 3 WIRING DIAGRAM 417W723A...
Страница 281: ...417W758B B ON GND B GND 7 2 CIRCUIT DIAGRAM Apr 2007 7 41 DSC48...
Страница 282: ......
Страница 285: ...DSC48 INDEX...