has a limited arc of movement in relation to the distributor body.
Distributor rotation is anti-clockwise when viewed from above.
Lubrication of distributor
The cam and contact breaker plate pivots and bushing, when
assembling after overhaul, should be lightly lubricated with Shell
Retinax "A" or equivalent. The governor weights and contact breaker
arm pivot should be lightly oiled every 6,000 miles (10,000 km). To
lubricate the cam spindle, remove the rotor arm and apply two drops
of oil to the felt pad. The felt brush fitted to the contact breaker plate
augments lubrication of the cam. This does not require periodic
lubrication as it is impregnated before fitting. Only a film of engine oil
should be applied to the hollow breaker arm pivot post, ensuring that
none contaminates the distributor points.
Caution: Do not over lubricate any part of the distributor. the
presence of dirt, oil or water on the points, the central carbon brush
or in the contact segments in the distributor cap will cause erratic
running or may even prevent the engine from running at all.
Contact breaker points
To adjust
1. Remove the distributor cap and rotor arm.
2. Turn the engine so that the heel of the contact breaker is
on the highest point of the cam. (it may be necessary to remove the
spark plugs to eliminate the resistance caused by engine
compression).
3. Slacken the slot headed screw (Figure 3)in the contact plate
and adjust until the gap is 0.38mm (0.015 in). The gap is measured
with a suitable feeler gauge and pressure should be applied to the
points, with the feeler gauge inserted between them whilst the screw
is tightened.
4. re-tighten the screw and make a further check with the
feeler gauge in case tightening has altered the setting.
5. Refit the rotor arm with the slot and lug in line. Press the
rotor firmly in to place on the spindle.
Note: When the rotor arm is fitted to the spindle the lower face does
not abut the cam
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