A (7) Resistor and Immobiliser
Check for cracks in the insulation and for positive
contacts of the high tension cable; always disconnect
lead at sparking plug before unscrewing
immobilisers.
Fig. 49. Exploded view of components of the
Slipping clutch.
A (8) Sparking Plug.
Clean the sparking plug by removing carbon or oil
from the electrodes with a wire brush or dismantle
the plug and wash in petrol. Adjust the electrodes to
give a gap setting of .020” - .025”.
A (9) Magneto Slipping Clutch (see Fig. 49).
Description
A shock absorbing drive is incorporated in the larger
of the two gears, which take the drive from the
magneto shaft to the dynamo. This considerably
relieves the peak loading on the teeth of the driving
gear and gives a far longer life. The drive is taken
from the gear centre (A), which is keyed to the
magneto shaft, through the fabric gear (B), which is
Fig. 50. Slipping clutch showing the jig to lock the
large gear.
held against the gear centre under the pressure of
the star shaped spring (D) to the pinion (G) on the
dynamo shaft. The effect of a violent overload is to
cause the fabric gear to slip relative to the gear
centre and so prevents shock from being transmitted
to the fabric gear.
Fig. 51. Exploded view of magneto portion of dynamo.
35
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