a spark occurs at the points when the engine is turned
13;.
hand.
It should,
however, be noted that this is only a rough test, since it is possible that a
spark may not take place when the plug is ~lnder compression.
Remove the distributor moulding and
sce that the electrodes and
contacts are clean.
If necessary, clc:ln them as described on page
50.
See
that the contact gap setting is correct.
If after carrying out the
exrmination suggested, the tro~~ble cannot be
found, we advise that the ,equipment should he examined by the nearest
I,uc:ls/Rotax Service Depot, the addresses of which are given later.
Headlamps.-The headlamps are provided with a patented universally
adjustable mounting which allows the beam of light to be set to the best
advantage. This adjustment is ohtained by slacking the hexagon locking nut
"
A
"
(Illustration below), turning the lamp to the desired position and then
locking it by tightening up the nut.
The near side headlanip is set to throw its heam to the near side of the
road and the off side (set straight) can he turned off or on independently.
Removing the Front and Reflector.-The headlamps are constructed with
det;~chable fronts,
parabolic
reflectors and focussing devices.
'To remove
:I
lamp front, give the screw he:d at the top of the lamp about
a
qclarter of
;I
turn-:I coin will serve
as
a
screw driver. This movement presses a cam
against the hod? and pushes the front away from the hody, ,enabling
it
to hc
removed. To replace, turn back the screw head :~nd locate the cam hetween
the two lugs on the hody, then push the front into place. The reflector is
secured
bl means of four fixing screws
"
C."
Lamps are corr'ectly focussed
when sent out from the Works, but
if
a
hulb is replaced it may be necessary
to adjust the focus of the lamp. Accurate focussing is imperative
if
the
maximum results are to
he
attained. The method of focussing is as follows
:-
Remove the front as ahove, remove the screws holding reflector and
then carefully draw forward the reflector until the lamp holder is exposed.
This holder is fixed h) the screw
"
L)
"
and m:~y be moved hackwards
or forwards when the screw is loosened. Each lamp must be focclssed
separately, care being taken that Inmps are properlj. set in line, not pointing
up or down. Correct focussing adjustment is obtained by reflecting lamps
on to a wall or, preferably, a white
ohject at a distance of about
100
yards,
PAGE
FIFTY-TWO
D
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