Volvo MD5A, Workshop Manual

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77. Fit a plane packing and then fit the sump. Note! On
earlier engines a rubber seal was used. This is to be
replaced by a plane packing.
79. Replace the tappet rods and fit the rocker mechanism.
Check that the guide pin in the cylinder head goes into the
hole in the rocker mechanism.
78.
Lubricate and replace the valve lifters. Fit a new cylinder
head gasket and then the cylinder head. Place the washers
under the nuts and tighten the nuts in three stages to 70 Nm
(7 kpm) (50Lbft.). See the tightening sequence.
First stage: 10 Nm (1 kpm) (7Lbft.).
Second stage: 40 Nm (4 kpm) (29Lbft.).
Third stage: 70 Nm (7 kpm) (50Lbft.).
80.
Lubricate the oil filter rubber seal. Screw in the oil filter
so far that the rubber seal first contacts the engine body.
Afterwards screw in the filter a further half turn. Note!
Tighten by hand. Then fit the feeder pump. Use a new 0-ring
between the pump and the engine.
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