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rree when disengaged, and this wnl be evidenced by
a tendency to drag, and for the cycle to creep
forward ínstead of remaining perfectly §tatíonary
wheI] the clutch is out.
The correct amount oí play at the handlebar lever
is approximately l/l6in. when the clutch is fully
eiigaged, and ifthis is found to be incorrect it
should be adjusted by releasing the lockmt J4 and
screwíng thc adjuster B in or out as necessary
until the play is provided.
Finally re-tighten the
]ocknut zl and check that the setting has not t)een
disturbed during this operation.
Brake.
The control of the brake operation and its adjust-
ment are carried out on similar lines to tho§o
described above for the clutch.
The amouïit of
free movement at the end of the brake lever in the
direction of the arrow aB shown at ,4, Fig. 5, beíore
the brake is applied, is èin. and ií this is fo_d to
be incorrect it shou]d be rectified by releasing the
locknut B and tuming the cable adju§ter C in
exactly the same mamer as described for the
clutch adjustment.
The intemal expanding bra,ke fitted to the B.S.A.
WINGED WHEEI_ is of unusually gerierous dimen-
sions, and the rate of wear is therefore extremely
slow, but a time will come eventually after a very
considerable mileage when all the available adjust-
ment at the cable has beeli taken up.
When tliis
stage has been reached it is more than likely that
the brake linings have worli beyond the saíe limit,
and the wheel should therefore be taken to your
dealer or repairer for re-lining or other expert
attention.
We repea,t, however, that this circum-
stance ís not hkely to a,rise until very many thou-
sands of miles ha,ve been covered.
22
]t!jí;!;(
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Englne.
"s is automatically lubrícated by the petroil
system a,s described on page ]2 and l3.
Other ítems.
These include carburetter, sparking plug and
magneto contact breaker poínts (see pages 3I, 30
and 36).
Gearcase.
Thís has a separate oi] supply as described on
page l3, and the only maintenance required is
topping-up or draining and replenishing it from
time to time.
This can convenienuy be done
when the engine is decarbonised.
The correct
quantity of oil £or the gearcase is one eighth of a
pint (aI)prox. li measures).
Hub.
This is packed wíth greaEe when the unit is built
at the íactory, arid requires no attention until a
major overall becomes necessary.
The nearside
spindle bearing lies within the transmi§sion case,
and is thus automatica,lly lut)rícated.
Brake cam spindle.
An occasional drop of cycle oil will keep this
adequa,te]y lubricated.
Cycle generally.
Do not forget to make am occasional check on
the cycle itself (spindles, head, pedals, cotters and
particularly mudguard attachment points).
Also
oli the less mechanical parts of the Winged Wheel-
tank attachment, torque am clip bolt and anchor
bolts, crankcase nuts amd the inlet manifold nuts.
Also oil the cycle parts and the control cables.
I)ecarbonísation.
Owing to the accessible design of this engine and
the special attention which has been paid to ease
of
routíne
maintenance,
decarbonisation
ís
an
23
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