Overhauling
Cylinder head
DISMANTLING
VALVE GUIDES
26.
Remove the injectors and fit protective caps on
the tips of the nozzles.
29.
Check the valve guides for wear by inserting a
new valve. Measure the clearance with the aid of
a dial gauge. Replace the guides if necessary.
Wear limits:
Inlet valve,
max. clearance ..................0.15 mm (0.00591")
Exhaust valve,
max. clearance ..................0.17 mm (0.00669")
27.
Remove the wear caps from the valve stems.
Remove the valve springs with the aid of a
valve spring compressor. Place the valves in or-
der in a valve stand. Take off the sealing rings
that are fitted on the valve guides.
CLEANING, INSPECTION
A = 18 mm (0.709")
30.
Press out the valve guides using drift 9991459.
Oil the new guides externally and press them
into position with tool 884499. The tool should
be pressed right down against the cylinder head.
Ream the guides if necessary with broach
9994128.
28.
Clean all parts. Pay particular attention to cool-
ant passages. In case of doubt, check for leak-
age by pressure testing. Water pressure 0.3
MPa (3 kg/cm = 43 p.s.i.).
2
15
| Categories | Volvo Penta Manuals |
|---|---|
| Tags | Volvo Penta MD11C, Volvo Penta MD11D, Volvo Penta MD17C, Volvo Penta MD17D |
| Download File |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
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