Volvo Penta 31 Series Workshop Manual page 60

Repair Instructions
3
Press the valve yoke down.
4
Turn the adjustment screw carefully using fingers un-
til just comes into contact with the valve stem.
5
Lock the adjustment screw with the locknut. Adjust
the yoke for valve pair no. 2 in the same way.
58
6
Adjust the clearance between the rocker and the
valve yoke on cylinder 1.
7
Turn the engine a third of a revolution in the direction
of rotation and adjust the clearance for the yoke and
rocker on cylinder 5. The valves on cylinder 2 then
"rock". Check the play for the other cylinders in firing
order.
Applies to all engines
8
Clean the valve cover, replace the damaged gasket.
Tightening torques see "Workshop manual, Technical
data".
Test run the engine and check that there is no oil
leakage.