Volvo Penta TD520GE Workshop Manual page 59

Group 21
83. Position the cylinder head gasket correctly (with
the numbers facing upwards and the marking
holes towards the flywheel).
NOTE! The cylinder sealing surfaces must be clean
and free of oil. Pay particular attention to the dowel
sleeves.
Cylinder head with valve gear
84. Fit the cylinder head. Oil the cylinder head bolts
(but let the oil drip off) and screw them in finger
tight.
NOTE! You can use the cylinder head bolts up to 5
times if you know how many times they have been
used. (Make a punch mark for each of the following
usages.)
85. Tighten the cylinder head bolts as specified
below:
NOTE! Follow the tightening sequence for the cylinder
head, see "Tightening sequence for cylinder head
screws".
Tighten the bolts in three stages:
st
1 stage: .................................. 50 Nm (37 lbf ft)
nd
2 stage: ................................ 130 Nm (96 lbf ft)
d
3 stage, tightening angle: .............................. 90°
86. Insert the push rods, according to the mark up
during disassembly.
Assembly, complete engine
69