Volvo Penta TAD1630G Workshop Manual page 33

Group 21
3
Fit new greased sealing rings to the cylinder block.
4
Fit the exhaust manifold bolts (two), locking tabs, washers
and sleeves. Put the gasket onto the bolts.
5
Lift the cylinder head carefully into position on the cylinder
block. Make sure that the exhaust manifold gasket is cor-
rectly in position.
6
Screw in the exhaust manifold bolts 2-3 turns.
7
Dip the cylinder head bolts completely into a rustproofing
agent (part No. 282036-3).
Then place the screws on a net to remove excess.
8
Fit the bolts to the cylinder head.
9
Tighten the head bolts in the specified order and in four
stages.
1st stage 50 Nm (36.9 ft-lb)
2nd stage 125 Nm (92.2 ft-lb)
3rd stage 200 Nm (147.5 ft-lb)
Note: Mark the socket and the cylinder head with a felt-
tipped pen.
4th stage 180° (the angle tightening should be carried out
using torque amplifier 115 8959).
10
Fit the injector. Torque the attaching yoke nut to 55 Nm
(40.6 ft-lb).
Service procedures - engine
31