HOMCOM C20-010 Benutzerhandbuch Seite 9

The timing scale and the indicator should be clean and clear. Apply chalk dust on them if
necessary. All the spark plugs work normally, the gap between the electrodes is correct.
Start the engine, run to the normal working temperature. Shut down the engine before
connecting the timing light.
III. Connecting the timing light
In order to ensure safety and reliable operation of the timing light, connect according to the
following steps:
Warning: keep hand, timing light, connecting wire and the signal pickup device away from
the running parts and the high temperature surface of the engine. No smoking.
3-1 Close the ignition switch. Never connect the timing light when the engine is running or
the ignition switch is turned on.
3-2 Clip the inductive signal pickup device to the high voltage wire of cylinder 1.(See Fig 3)
Make sure that the signal pickup device doesn't touch the discharge branch pipe or other
parts of the engine, as temperature on these parts can be very high when the engine is
running, which may damage the signal pickup device.
3-3 Clamp the battery jar clip at the battery jar inside the vehicle.
The red clip connects the anode (+)
The black clip connects the cathode (-)
Connection of the inductive signal pickup device and the high voltage wire
Fig. 2 Common timing marks
Inductive signal
pickup device
-9-
High voltage wire
of cylinder 1
Engine