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FORK SPRINGS
Check that springs are not
deformed
or cracked.
Length
of
new
spring at
rest
is 230
±
15 mm.
(9.0551
")
. Required load
for
compressing spring
down to 170 mm. (6.6929") is 50
±
2 Kgs.
(110
:t
4
Ibs.).
while
105
±
3.5 Kgs. (231 -
8 Ibs.)
wil
l
be required to compress spring down to
104
mm.
(4.0945").
With spring
at
rest,
check
its
length
reduction
.
If
same is more
than
3%,
replace spring
.
SPRING HOUSINGS
Remove seal ring and gasket and
check
perfect
condition of same. If burring, wear
or
lack
of
elasticity is detected, replace
part.
TOP
PLUG RUBBER RINGS
Check that they are in perfect
condition,
other-
wise replace them.
TOP
PLUG SEALS
Check
that rubber is not burred
,
worn
or
J
acking elasticity
.
If necessary replace
part.
STEERING TAPER ROLLER BEARINGS
Bearings must be in perfect condition, without
excessive slack.
Races
must be perfectly even
and smooth.
Rollers
must be unimpaired all
over their
surfaces.
If any
fault
is detected,
bearing must
be
replaced.
(see paragraph
«
Bearings» on page 77).
STEERING ADJUSTING LOCKRINGS
Check that
they
are
not
cracked and that
threads are in perfect condition
,
otherwise
re-
place them
.
STEERING TUBE
Check
that
threaded
portions
of tube are
unim-
paired
,
not damaged
or
marked.
ASSEMBLING FORK AND STEERING ON
FRAME LUG
To
assemble
fork
and
steering
in
frame
lug
operate
as follows:
-
fit top
and
bottom bushings
on
fork
cover
and
secure
bushing
lockring.
68
-
fit
fork
rod c/w
fork
bottom covers.
-
position
adjusting washer in top part of co-
ver and then fit circlip in cover groove.
-
position gasket fork cover and spring hou-
sing.
after pressing in
seal
ring, fit
spring housing
,
by means of special wrench No. 12912600
(see 11 on
Fig.
100).
-
fit spring over fork rod
,
positioning same in
spring
housing
.
insert fork rod in bottom yoke and headlight
bracket,
positioning it by means of tool No.
12909500 previously connected to fork rod
(see
4 on
Fig
.
101)
.
-
fit clamp bolt and secure headlight bracket.
-
secure steering tube to
bottom yoke by
means of suitable nut.
-
fit drain plugs and gaskets on both fork
covers
.
-
pack steering bearings with grease and fit
them in frame lug, then insert steering tube
inside frame lug
.
.,
.
;"
"
..
:h .. ,
..
,,.
,
Fig
.
100
.,
"
,.
.,
'''1U~
" H
•
•
"r
..
..
,:
-
·
..
.. . .
:
..
~;t
t .1'
•
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..
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