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vice the suitable fork
made
for
this purpose,
then
position wheel
on fork
and
rotate
same
checking
pheripherical
shiftings,
both in
radial
and
axial
sense. To eliminate radial shiftings,
if
any,
it
will
be
necessary to tighten or loosen
the
spokes
(both
R/H and UH) near the
pOint
of
maximum
shifting.
To
eliminate axial shif·
lings it will be
necessary
to tighten
R/
H
spokes
and loosen UH ones (near shifting point),
or
viceversa.
True
wheels on front
fork
and
rear
fork
referring
to
Fig
.
107 for front wheel and Fig. 108 for rear
wheel.
RIMS
Check
that
ri
ms
have
no deep
marks or cracks
otherwise
repl
ace.
SPOKES
Check
thai no
spoke
is broken
or
has got a
stripped
thread.
If
necessary
replace
and re·set
wheel
truing
as
described
on
paragraph
u
Wheels".
BRAKE
SHOE LININGS
Check that
linings
are
not 100
worn out,
cracked
or
greasy.
Thickn
ess
of
new linings is about
5
mm.
(.1968").
If same is found to be below
2.5 mm.
(.0984
")
linings must be replaced
.
If
linings
are
only
greasy
on
surface
,
clean
with
pure
gasoline and recondition using a wire
brush
.
If deeply
greased or showing
cracks or
cuts.
replace them
.
BRAKE SHOE SPRINGS
Check
that
springs
are not deformed or lacking
elasticity.
Front brake shoe spring
,
under a load
of 21
kgs
(46.2
Ibs),
must extend to 98 mm.
(3.8583
"
).
Rear
brake
shoe
spring
,
under a load
of
60 kgs
(132.2 Ibs),
must extend to 98
mm.
(3.8583" ).
Load
allowance
:
about
~/G.
BRAKE
SHOE CAM
Check that surface of
cam
stem is very smooth
and that splined end does not show any
mark.
Also check that cam surface is not too worn
out.
If
necessary,
replace part.
74
BRAKE SHOE PINS
Check that
surface
contacting shoes is smooth
,
without scoring or
marks
.
and check that thread
is
in
perfect
condition.
BRAKE DRUMS
Check that
inner
surface of
drum,
where brake
shoes
operate
,is not scored. Slight scoring can
be
eliminated
by smoothing surface with emery
cloth,
but
shoul
d
scoring be very deep, drums
will have to be
turned
.
In
front
wheel brake
drum
check
that taper roller housings are
smooth
,
without marks.
REAR WHEEL
CENTRAL BODY
Check
teeth which
Is coupled
to internally
toothed
sleeve in
rear
wheel
drive box. Teeth
must
be
unimpaired,
without chipping
or
marks,
and
taper roller bearing housings must
be
without
scori
ng
or
marks.
HU
B
SEALS
Check
that seal
rings are not burred or
lacking
elasti
city.
and
If
necessary replace them
.
TAPER ROLLER BEARING HOUSINGS
Check
that
surface
on which bearing
is
pressed
is
without scoring
or marks and that
contact
ends
are
unimpaired.
TAPER
ROLLER BEARINGS
Bearings
must be
in
perfect
condition,
without
excessive
slack.
Races must be perfectly even
and smooth.
Roliers must be
unimpai
red
all
over their
surfaces.
If
any
fault is
detected,
bea-
rings must be
replaced (see
paragraph
"
Bea·
ring
.. on
page
77).
ADJUSTING WASHERS
Check
that faces are
smooth,
without scoring
or
marks. otherwise replace
washer.
BRAKE CAM LEVER
Check that Inner splines are smooth, without
marks.
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