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C O N T A C T BREAKER U N I T
This unit comprises the contact set, condenser and cam lubricating
pad.
The contacts are adjusted by releasing the locking screw and
then setting the distance by a slight movement of the eccentric
screw whilst the rocker arm heel is on the peak of the cam lobe,
and finally tightening the locking screw firmly.
When dry the lubrication pad should be removed, and have
H.M.P. grease kneaded into it, and then replaced. Oil is not
advised, but if used sparingly and frequently is better than
complete neglect.
Excess oil may reach the contact surfaces
and would be harmful.
When service attention is given to the breaker unit always
check tightness of the live condenser connection and earth fixing
screw.
AUTO-ADVANCE
Behind the contact breaker base plate is the advance mechanism which by means of
weights and springs moves the cam in order to provide a retarded position for starting
and gradually to advance the ignition setting as the engine speed increases.
HEADLAMP
The reflector is of the latest pattern
aluminised thin coating deposited in high
vacuum, and gives a much greater light
reflection than the older plated types.
As this high efficiency coating is extremely
thin, the reflecting surface should never
be touched. This also means that reflec-
tors cannot be supplied as spares with-
out the glass front, which acts as
protection during transit and stacking.
HEADLAMP BULB—30 x 24 Watts
The bulb is a double filament pre-focus type, and is removed after the contact unit has
been taken off.
By holding the reflector and rim unit upside down and taking care to
CATCH the bulb, it will DROP out, as no other fastening is employed.
HEADLAMP SWITCHES
The switches are connected inside the lamp to the wiring system by multi pin plug sockets.
These are arranged with a missing pin and hole, so that incorrect mating is impossible.
The operating portion with the brass contact legs is the same in both the IGN and
LIGHTS switches—the only difference being the names on the escutcheon plates.
The female rubber socket portions which are connected to the wiring loom are coloured
BLUE and BLACK. The BLUE one is the LIGHTING switch connector and the BLACK
one is for the IGNITION switch.
WWW.PlanDeGraissage.ORG
MECHANISM
illustration 18—Headlamp
41
41
illustration [7
Contact Breaker
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