DWELL
Dwell Angle Measurement
Dwell Angle Measurement is indispensible for exact distributor adjustment. Only when the dwell angle
is correctly adjusted, a powerful magnetic field can be built up within the coils, thus provides a high
energy ignition spark at all engine speeds.
1. Press the tact switch to light the Dwell indictor. (See figure 2)
2. Connect the black clip to the negative battery terminal (-) and the red clip to the positive battery
terminal(+) .
3. Connect the green clip to terminal 1 of the ignition coil. (1, D, RUP, -).
4. Start the engine and let it run at idling speed.
5. Read the Dwell Angle reading in % from the display and compare it with the vehicle
manufacturer's recommendations. Refer to the conversion table of Dwell Angle % : º on page 8.
Should you find any deviations, make the appropriate adjustment. If the Dwell angle is too small, it
means the point gap is too large; and the Dwell Angle too large the point gap too small.
SW-Stahl und Werkzeugvertriebs GmbH
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Tel. +49 (0) 2191 / 46438-0
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