40
c) In this position set the contact breaker points gap (by means of the adjusting
screw) between 0.3 and 0.4 mm. (0.012 and 0.016 inch) using a feeler gauge.
d) By rotating the crankshaft to the left (i.e. in the opposite direction of engine
rotation) bring the piston down by 2.5 to 4 mm. (this can be recorded on the
special gauge screwed on into the sparking plug hole).
e) Check again in this position the contact breaker point gap which should not
exceed 0.05 mm. (0.0019 in.), Use the feeler gauge or a piece of cigarette paper
both of which should be sliding fit.
f) Should the gap be smaller or larger, slacken the two bolts securing the stator
complete to the crankcase and restore the correct gap, i.e. 0.05 mm. (0.001 in,)
by rotating the complete stator to the left (making the gap larger) or to the right
(making the gap smaller).
g) After setting re-tighten the stator bolts.
Warning; The contact breaker base plate should never be slackened or rotated in
order to set the contact breaker gap. Its position should never be altered under
any circumstances.
Battery: The maintenance is simple. Maintain the electrolyte level (it should be
above the plates and separators in all cells) its density and keep the battery
charged. Check the electrolyte level, frequently, at least once a fortnight. Add
distilled water if no acid has been spilled; if it has been spilled top up with properly
diluted sulphuric acid. Top up if possible before a trip and do not leave a freshly
filled battery standing longer than 10 hours. Have the electrolyte density checked
every 3 months in a specialist workshop. The correct density (30 to 32 deg. Be',
specific gravity 1.26 to 1.285) is of importance for proper charging and protect the
battery from freezing.
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