Actron Advance Timing Light CP7528 - Manual (Page 18)

DIGITAL TIMING LIGHT
1. At distributor, leave vacuum line disconnected and plugged.
2. Push and buttons until moving mark is aligned with the
stationary “0” degree mark. On display, note degrees advance at idle.
3. Slowly increase engine speed to 2500 RPM, or other speed specified
by manufacturer. Timing mark should move smoothly in opposite
direction of engine rotation.
4. Push and buttons until moving
mark is aligned with stationary “0” degree
mark.
5. Subtract degrees advance at idle from
degrees at higher speed. Difference is
amount of centrifugal advance.
6. Slowly decrease engine speed to idle RPM.
Timing mark should move smoothly in direction of engine rotation.
NOTES
ADVANCE READING (RPM NOTED
IN SERVICE MANUAL OR VECI)
TIMING AT IDLE
CENTRIFUGAL ADVANCE
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