32
COMPILER TECO/ATI
ENDORSED
DATE
23.06.2003
REG. CODE
1-5302-607
MODEL N°
50889
DATE OF ISSUE
06-03
REVISION
00
XIII
60
61
64
65
62
63
kgm 2,2 (Nm 21,6)
kgm 2,2 ÷ 2,4 (Nm 21,6 ÷ 23,5)
0,10 ÷ 0,20 mm
0,20 ÷ 0,30 mm
(cast iron crankcase)
Crankshaft
Fit the crankshaft into the crankcase using tool p.n. 00365R0910
as shown in figure 60; make sure that the bearing oil passages are
matched to the crankcase oil passages.
Torque the bearing screws (fig. 61) to :
Main bearings - flywheel side
Fit the bush to the bearing carriern using a special tool of
appropriate diameter as shown in figure 62. Insert the bush
arranging the groove so that it is facing the internal side of the
bearing and positioned vertically.
Fit the oil seal ring to the bearing using a suitable diameter tubular
punch.
Fit the bearing into the crankcase after having first interposed an O-
ring between the contact surfaces (fig. 63). Torque the screws to:
Crankshaft end float
Install an 0.15 mm feeler gauge betwen the crankshaft shoulder
and the crankcase (flywheel side).
Use a screwdriver to force the crankshaft against its shoulder as
shown in figure 64. Pre-heat the timing gear to a temperature of
180 ÷ 200 °C and fit it onto the crankshaft pressing it down until it
comes into contact with the crankcase. Wait until the timing gear
has cooled down and then withdraw the feeler gauge and the
screwdriver and check end float (fig. 65), which must be within the
range:
ENGINE ASSEMBLY
