BraLe
Cam
spturtle6. A
few
diops of oil is all
that
is
required.
(8
in. Front Brake
(nipple)
one stroke oferease
sun.)
Trppet Adjustment
(for
Gold Star
models see
page
50).
Cheak when engine is cold. The corrcct method of
, t
checking
and adjusting lappets is explaioed on
pagc
25,
^off
"^t
clutch. A few sirokei of'rhe
gease
errn
at F
aFig.
ll)
-
-
will ensure
free movemeDt oI lhe cootrol a!m. There
chould
be
å
slight amount of
play
in the clutch
cotrtrol
arm on the
gearbox--or
a short length of free cable at the
hatrdlebar lever end. If the
play
be.omes
exccssive diffi-
culty
will
be experienced ir changing
gear,
as the clutch
msy not
fully disengage, in which ca,se the control arm
should
be adjusted as explained on
page
28.
ChrlDs. Check that th€.e is
not
morc than half-an-inch
up-and-down
movem€nt at the centre of the
paimary
chain and not morc
than thr€e-ouarlers of aD inoh
in
the
cåsc of the rear chain fitted to
Comp.
or
plunger
frames
(onc-and-a-quarter
inch fot
swioging atu .nodels).
If
cxctssivc ldjust as €xplained
on
pages
30 to
32.
EVERY 2.OOO MILT^S.
Oll Tank. Drrin out the old oil
(preferably
after
a run
whilc
thc
cnginc
is still warm), wash out with flushing oil
or thin mrchinc
oil-NOT
paramn
or
petrol-and
refill
with new oil, Wash tiltcr
thoroughly in
petrol
or
parafrn
and makc surc that it is
absolut€ly
dry
before replacing.
Oll PumD Filt€r.
Removc the
platc
below the oil
pump
and wash the
gauze
filter ilt
paraffin;
dry and r€plac€.
Dyoåmo and Magneto. See Elechical
Section
pages
63, 64.
Mtgdyoo Fixiq. Slacken of the magdyno strap and
pull
the
magdyno towards the nearside of the machine-
i.e., away
ftom the timing cov€r, This ensures that the
oil seal is maintfied
betw€en the magdyno
pinion
and
the felt washer.
Holding the unit irl this
position
re-tighten
the magdyno strap bolt,
Primåry Chsln Oilbath, Drain, and
rcplenish
with new
oil to level
of
plug
at side of case behind brake
pedal.
On
Comp.
models and machines fitted with swinging
arm
suspension
thc oilbath is sliShtly larger. Two red
paintc(l
covcr fixing scrcws
(,4
trnd A, Ijig. 3) llrc
provi(tcd
'Ihcy
It
arc tbe level indicaior and drain screws resf,€ctivcly.
The oil level should
be
determined with
the machite otr
level
ground
ofl thc stand. Do not fill
above
this level
or
clutch slip may
occur.
Brake Fulcrum Pin.
(7'brakes
ody).
Check
tightness
of
lockinS out oa brake cover
plate.
Centrtl Stand
Fulcrum.
Give orle
or
two shokes of thc
8I€aSe $rn.
Gcsibot. Remove drain
plug
at
bottom
of
gearbox
snd
drain out
old
oil, Wash out
gqrbox
with flushing oil ard
rrfiI with
new
oil to
level
of filler
plug.
Ol swinging arm
machines
the
gearbox
is
fitted wilh a level
plug (see
K,
Fig. 13),
Chains.
Remove both ohains,
clean thoroughly
in
petrol
or
paraffio,
and then
gently
warm in
a
mixture of
Srsso
aod
graphite.
Wh€o cool, wipc off the excess
greasc,
clean thc splockets and replac€ the chain. Remembct
that
when replacing a chain
fitted with a delachablg
connecting
link that the spring
fasteDer mult alwayr ba
frtted with the clos€d end
facinS the forward
dirEction
of travcl
(i.c.,
on lhe top run) of tbc
cbain.
Flg. l. Prirnary Chain Oilbath
(Comp.
and Swinglng
Atn
nodels\
lr
,l
I
il
il
lr
i
i
l,-
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