33
COMPILER TECO/ATI ENDORSEDDATE
14.07.2003
REG. CODE
1-5302-612
MODEL N°
50894
DATE OF ISSUE
07-03
REVISION 00
XIII
64 65
66
67
69 70
68
kgm 2,2 (Nm 21,6)
kgm 2,2 (Nm 21,6)
kgm 2,2 ÷ 2,4 (Nm 21,6 ÷ 23,5)
Central main bearings
Fit the shells into their seats and coat with a thin film of oil.
Fit the bearing with outside diameter of 141mm onto the central
journal - timing-case side, and the 141.5mm diameter bearing onto
the central journal - flywheel side.
Make sure the reference numbers match up on each shell (fig. 64)
and ensure that the oil passages correspond to the position of the
crankcase oil passage openings.
Torque the bearing assembly bolts (fig. 65) to:
Main bearings - flywheel side
Fit the bush to the bearing using a normal punch of appropriate
diameter as shown in figure 69. Insert the bush arranging the
groove so that it is aligned with the seat on the bearing so that the
oil passages will be correctly aligned.
Fit the oil seal ring to the bearing using a suitable diameter tubular
punch.
Fit the bearing into the crankcase after having first interposed a
gasket (fig. 70). Torque the screws to:
Crankshaft
Use an adhesive to mount the crankshaft clearance adjustment ring
onto the inside of the crankcase - timing case side, ensuring that
the milled grooves in the ring are facing the crankshaft (fig. 66).
Insert the crankshaft into the crankcase using tool code
00365R0910 as shown in figure 67; make sure that the bearing oil
passages are matched to the crankcase oil passages.
Torque the bearing screws (fig. 68) to :
ENGINE ASSEMBLY
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