Crankshaft, Installation
Tools:
9989876 Dial indicator
9999696 Magnetic stand
1 Check the cleanliness of the crankshaft ducts,
bearing
surfaces, engine block and bearing caps.
Check that the bearing shells and their beds do
not have any burrs or deformities.
2 Place the main bearing shell in position in the
bearing cap. The bearing shells equipped with oil
grooves must be placed in the upper bearing
caps.
NOTICE! Check that the lubrication holes in the
upper bearing shells are centered on the oil ducts.
3 Oil the bearings and main bearing journals and
install the bearing caps in their respective posi-
tions. The chamfered edges must face forwards
on all bearing caps; refer to the illustration to
ascertain bearing cap locations.
4 Bolt the bearing caps together; for tightening tor-
que refer to Tightening torques page 9.
5 Carefully lift the crankshaft into place in the cyl-
inder block. Align the main bearing holder bolt
holes (1) before the crankshaft is pressed into
place.
NOTICE! Tape the crankshaft gear before lifting
the crankshaft into place, to prevent the gear
teeth from damaging the front bearing seat.
6 If necessary, carefully tap the crankshaft into
place and bolt fast the main bearing holders. Tor-
que the main bearing caps in the engine block.
For tightening torque, refer to Tightening tor-
ques page 9.
7 Using special tools 9999696 Magnetic stand and
9989876 Dial indicator, check that end float does
not exceed 0.5 mm (0.020").
8 Install the oil pressure relief valve with a new seal.
Torque to 64 Nm (47.2 lbf.ft).
Install a the rear crankshaft seal; refer to Crank-
shaft Seal, Change (rear) page 98.
21-6 Crank Mechanism
47701798 05-2013 © AB VOLVO PENTA 93
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