ADJUSTING THE VALVE CLEARANCE
97.
Fit the exhaust manifold but only tighten it up
enough to align the cylinder heads. NOTE!
Make sure that the gaskets are the right way
round.
Valve clearance with the engine hot:
Inlet 0.30 mm, (0.0118")
Exhaust 0.35 mm, (0.0138")
100.
Turn the engine over in the correct direction of
rotation until the valves for one cylinder “rock”.
Then turn through a further revolution and adjust
the valves for this cylinder. Do the same for the
other cylinders. After a trial run, the valves
should be readjusted whilst the engine is still
hot.
98.
Tighten the cylinder head nuts in stages of 30,
80
and 110 Nm (3, 8, 11 kpm = 22, 58, 80
lbf.ft.). Tighten the exhaust manifold.
101.
Fit the rocker arm covers and check the decom-
pression device as follows:
A.
B.
Remove the oil filler plugs.
Turn the engine over so that the exhaust valve
is closed.
C.
D.
Place the handle so that it points upwards.
Loosen the lock nut and screw the adjusting
screw upwards. Screw the adjusting screw down
again so that it touches the rocker arm. Screw
down a further half turn and tighten the lock nut.
Replace the oil filler plugs.
99.
Check the straightness of the push rods.
Roll the rods on a flat surface. Bent push rods
must be replaced.
Fit the push rods and the rocker arm bearing
brackets. Connect the oil pipes to the rocker
arm shafts.
NOTE! The decompression device is not adjustable
on the D-engines.
30
| 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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