37
17-04-2003
01
15-01-2004
DATE
COMPILER TECO/ATI
REG. CODE
1-5302-467
MODEL N°
50707
DATE OF ISSUE
REVISION
ENDORSED
57
55 56
VIII
58
59 60
DISASSEMBLY/REASSEMBLY
A warped oil retainer may allow the introduction of air into the
engine thus causing crankcase ventilation problems.
Use genuine oil retainers with the RUGGERINI logo (see B).
Drive shaft oil seals
Oil retainer 1 is located in the gear cover on the timing side while
retainer 2 is located in the crankcase on the flywheel side.
Arrows a point to the crankshaft direction of rotation.
Press them into their seats by exerting uniform pressure throughout
their front surface.
Drive shaft, lubrication ducts, bore thread on flywheel side and
p.t.o.
Remove plug C and check that the lubrication duct is perfectly clean.
Close with a new plug checking for proper sealing.
A = M14x1.5 (turn counterclockwise)
B = M8x1.25 (with standard shaft)
When the crankpin and main journal are ground, values R
and R
1
must be obtained again to prevent the drive shaft from
breaking.
Drive shaft, connection radius
Radius R that joins the crankpin to the supports is 2.8-3.2 mm.
Radius R
1
that joins the main journal to the timing gear is 0.5 mm.
Drive shaft, main journal/crankpin diameter, gear cover bearing
inside diameter on timing side
Use an outside micrometer for the main journal and an inside bore
gauge for the gear cover bearing on the timing side.
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