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Workshop Manual KD 441_cod. 1.5302.865_2
nd
ed_ rev. 01.
5
59
A
58
A
1
2
B
4
3
C
61
C
3
60
Overhauls and checking
Valve seats - Removal
Important
Place and clamp the cylinder head rmly onto the milling machi-
ne.
Remove the valves, taking care the milling machine is aligned to the
valveseats(seedetailinthegure).
Valve guides - Removal
Important
Firmly place the cylinder head under a press.
Place tool A , p/n 1460-337, in the valve guide.
Operate the press and remove the valve guides.
Legend
1
Exhaust valve seat
2 Intake valve seat
3 Exhaust valve guide
4 Intake valve guide
B Valve guide/valve seat pressing tool- intake valve, p/n 1460-338
C Valve guide/valve seat pressing tool-exhaust valve, p/n 1460-339
Valve guides - Reassembly
Caution – Warning
Thoroughly wash the cylinder head and the valve guides before
reassembly.
Important
Firmly place the cylinder head under a press.
Fit the valve guide into its seat.
Place tool C onto the valve guide.
Operate the press to drive the valve guide until tool C touches the
cylinder head surface.
Repeat the same operations to assemble the other valve guide, using
the tool B .
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