Electrical Service; Electrical Equipment - Matchless 46/G3L 1946 Maintenance Manual And Instruction Book

ELECTRICAL SERVICE

98

ELECTRICAL EQUIPMENT

LUCAS electrical equipment is fitted and this comprises three independent electrical
circuits, as follows :—
(a) IGNITION—Magneto, High-tension W i r e and Sparking Plug.
(b) CHARGING—Dynamo,
Battery.
(c) L I G H T I N G
Horn.
CONTACT BREAKER
SECURING SCREW
SCREW CARRYING
LUBRICATION
SCREW SECURING
CONTACT BREAKER
99 IGNITION CIRCUIT
A LUCAS type N1/3/AO magneto is fitted and the only service attention this requires
is occasional lubrication of the contact breaker cam and tappet, infrequent adjustment
of the contact breaker points and complete servicing at intervals of about ten thousand
miles. To lubricate the contact breaker cam and tappet it is necessary to remove the
complete contact breaker from the magneto.
Remove contact breaker by :—
Swing away the flat spring blade retaining the contact breaker cover.
Pull away the contact breaker cover.
Remove the screw E, Illustration 27, retaining the contact breaker spring arm A,
Illustration 27, to the contact breaker body and take away the backing spring F,
Illustration 28, and the spring arm E, Illustration 28. There is a spring washer
under the screw.
Unscrew the screw B. Illustration 27, carrying the lubrication wick and take away
the fibre insulating bush encircling the screw.
Straighten the tab on the lock washer D, Illustration 28, under the central screw
H, Illustration 27, retaining the contact breaker body A, Illustration 28, to the
armature shaft and, with spanner LTX-5. remove the central screw.
Finally, lever off the contact breaker body.
Cut-out
A N D ACCESSORIES—Lamps,
CONTACTS
LOCK NUT
WICK
Illustration 27
Showing Contact Breaker
69
and Regulator,
Wires,
TAPPET
HOUSING
SPRING
ARM
PACKING
SPRING
Ammeter and
Switches and