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Thickness
01
c
on-rod bearings
OR
IG
INAL
PRODUCT
ION N
61062010
1_
537
-0-
1.543
1.527
-;.
1.533
(.06061
-!-
.06084")
(.06021
...,. .06045'')
Housing diamete
r:
38.103
-0-
38.115 mm (1.5OO
"""
1.5006'').
ShaH diameter
:
34.987
+
34.999 mm
(1.3773
1.3778'').
Bea
ring-shaft
c
learance:
•
m
in.
0.020 max 0.064 mm (.00078
-0-
.0025")
at
90-
from
connect ion
plane
;
•
min.
0.040 max 0.084 mm
(.0015
-7
.0033")
at
20'
from
connec
tion p lane
(See
drawing fig
.
53)
;
•
conrad-crankshaft clearance on assembly: 0.265
""" 0.515
mm (.010
.0-
.020")
(See fig. 55)
.
Size 01 bush in small end and piston pin
I/O
01 busl'l pressGd
PISIO~
P'~
dl~m~\er
in
small end
15.012
-7
15.030 mm
14.994
-7
15.000 mm
(.5909
-7
.5916")
(.5902
-7
.5905")
c
Re-fitting
•
Ensure that on
assembly the con-rods are marked
with
the
same letter
(A-B-C-D-E in fig.
56)
and
on
the
other side have
the
same number as stamped on the
cap (See
fi9·
57);
•
screw on the nuts on the cap
securing screws
and tighten with a torque
wrench set
to
2.2
--:-
2.5
kgm
(16-18
fl
/l
bs)
(See
dwg fig. 53
and
fig. 58).
d
Replacement
of con-rods or their
bearings
on
the
mach
ine
Proceed as
follows
:
•
remove
the
right and left
cylinder
head-barrel
as-
semb
lies
;
•
using p uller
19907800 (3
in
fig. 43)
,
'Push
Oll
'
the
gudgeon
pins after
removing their
retaining
circlips;
•
remove
the generator
cover,
genera
tor,
pic
kup
cover,
«O
~
ring,
and
l
,he
rol
or from
the
cran ksha/
t;
•
•
d
isconnec
t
the
electronic ignii
ion
c onnec
tors
;
•
remove liming cover and
timing
gear
assembly
together with the oit pump gea
rs
and
c
hain
;
•
undo the oit pressure
gauge and
suppor
t;
55
Pin
-
bus
h
c
l
e8ra~
ce
0.01
2
...
0.036
mm
(.00047
-0-
.00
14")
56
37
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