Transistor Ignition (14 NV)
Ignition Basic Adjustment
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Danger of accident
With ignition ON, dangerous voltages are present throughout the entire ignition system. Checking operations should only be performed by trained personnel.
Checking conditions:
oil temperature ³ 80 °C/176 °F
Engine off
Vacuum hose removed from vacuum unit
Opel Tester connected
Start engine - speed between 700 rpm and 1000 rpm
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Firing angle - nominal value: 5° BTDC
If necessary correct ignition basic adjustment by turning distributor
Install vacuum hose on vacuum unit
Note:
After basic ignition adjustment - check idle speed and CO content in exhaust and if necessary adjust - see operation
"Idle Speed and CO Content in Exhaust, Adjust".