Takeuchi TB014 Werkstatt-Handbuch Seite 527

Point 7
[Disassemble]
• Keep the removed push rods by attaching tags show-
ing corresponding cylinder Nos.
[Reassemble]
• Always apply oil to the contact portions of the push
rods and clearance adjusting screws.
Point 8
[Disassemble]
• Loosen the cylinder head bolts in two steps in the
illustrated order.
• Place the cylinder head assy on a paper board to pre-
vent the combustion face from any damage.
[Reassemble]
• Remove the head gasket with a new one.
• Uniformly install the head bolts manually after apply-
ing oil on the threaded and seat portions
• They shall be tightened in two steps in the reverse of
the order for disassembly.
First step 26.0 to 30.0 (2.7 to 3.1)
Second step 53.9 to 57.9 (5.5 to 5.9)
Point 9
[Disassemble]
• Carefully remove the fuel injection valve so as not to
leave the top end protector from being left inside the
cylinder.
[Reassemble]
• Replace the fuel injection valve protector with a new
one.
Point 10
[Disassemble]
• When removing each intake/exhaust valve from the
cylinder head, use a valve spring compressor
(see 4.1.2.No.4 in Chapter 4) and compress the valve
spring and remove the valve cotter.)
• Keep each removed intake/exhaust valve after attach-
ing a tag showing the corresponding cylinder No.
• If cotter burr is seen at the shaft of each intake/
exhaust valve stem, remove it with an oilstone and
extract the valve from the cylinder head.
[Reassemble]
• Replace the stem seal with a new one when an intake/exhaust valve is disassembled.
• Carefully install each valve after oil application so as not to damage the stem seal.
• Different stem seals are provided for the intake and exhaust valves. Do not confuse them since those for
exhaust valves are marked with yellow paint.
• After assembling the intake/exhaust valve, stem seal, valve spring, seat, and cotter, tap the head of the
valve stem lightly for settling.
• Do not forget to install the valve cap.
N•m (kgf•m)
Tightening torque
4. Disassembly, inspection and reassembly of engines
Disassembly
8
2
4
6
Head bolt disassembly order
Assembly
7
13
11
9
Head bolt tightning order
Disassembly
4
2
Head bolt disassembly order
Assembly
7
9
Head bolt tightning order
Valve spring compressor
62
Camshaft side
14 5
12 9
10 11
13 7
3 cylinder head
Camshaft side
1 10
3 6
5 4
2
8
3 cylinder head
Camshaft side
8 5
1
10
3
9
6
7
2 cylinder head
Camshaft side
3 6
1 10
2 8
5 4
2 cylinder head
3
1
12
14