Matchless 46/G3L 1946 Maintenance Manual And Instruction Book page 72

Lubricate contact breaker cam and tappet by :—
Remove contact breaker as described above.
Saturate, with a few drops of thin machine oil, the wick mounted in the core of
its carrying screw B, Illustration 27.
Push out of the contact breaker body the tappet B, Illustration 28, wipe it with a
soft cloth, smear it with thin machine oil and then replace it.
NOTE :—
When replacing the contact breaker parts, ensure the backing spring F, Illustration
28, is fitted so that its bent over end faces outwards.
Contact breaker points.
The contact breaker point separation should be from .010 to .012".
Clean contact breaker points by :—
Remove the contact breaker cover.
Examine contacts.
If they are dirty, oily, or burnt, they must be cleaned with a fine carborundum
stone, or very fine emery cloth, and afterwards wiped w i t h a cloth that has been
moistened with petrol.
Cleaning is made easier if the contact breaker spring arm A, Illustration 27, is
removed.
Examine the contact breaker spring arm and wipe away any rust.
Check and adjust contact breaker point setting by :—
Remove contact breaker cover.
T u r n over engine t i l l the contact breaker points F, Illustration 27, are fully open.
Insert the gauge (part of spanner LTK—5) between the two contact points.
the setting is correct the gauge should be a sliding fit.
If there is an appreciable variation from the gauge slacken the lock nut G, Illustra-
tion 27, on the adjusting point and turn the contact point (apply spanner LTK-5
to its hexagon head) until the gap is set to the gauge.
contact breaker body to increase the gap, or outwards, to decrease it).
Finally, tighten the lock nut and re-check the setting.
SPECIAL NOTE :—
Check the contact breaker point gap after the first one hundred miles and five
hundred miles. Owing to the initial settling down, there is a tendency for the
gap to alter in the first few hundred miles of use. This may seriously affect the
ignition setting. Subsequent adjustment will only be required at long intervals
but it is as well to check the gap every two thousand miles. (When the engine
is decarbonised is always an opportune time).
CONTACT BREAKER
BODY
BACKING
SPRING
CONTACT
ARM
LOCKING
PLATE
Illustration 28
Showing component details of Contact Breaker.
(F Illustration 27).
TAPET
CONTACT BREAKER
SECURING SCREW
70
(Screw the point into the
If