2. If the engine is hot: Press the "Interlock button" (1) and hold it
in while pressing the Starter button (2).
If the engine is cold: Press the Interlock button (1) and hold it
in for approximately 50 seconds to preheat the engine. Then
press the "Start button" (2) as well.
3. Release the Start button immediately when the engine starts.
However the Interlock button must be held down for a further 5
seconds approximately. This is to allow the oil pressure to reach
the correct level. Otherwise the automatic stop will engage and
stop the engine.
NOTE! In extreme cold, the preheating can be re-engaged for a
few minutes after start if necessary. Hold the Interlock button (1)
pressed in.
IMPORTANT! The start button must never be pressed in
when the engine is running. The starter motor and starter
gear on the flywheel may be seriously damaged.
4. Allow the engine to run at 500–700 rpm for the first 10 seconds.
Then warm up the engine at low speed and low load.
IMPORTANT! Do not race the engine while it is cold.
NOTE! Generating set engines automatically rev up to the pre-
set engine speed (1500 or 1800 rpm).
Volvo Penta starting lock:
1. If the engine is hot: Proceed directly to point 2.
If the engine is cold: Turn the ignition key to position "II" to en-
gage the preheating. Hold the key in this position for approxi-
mately 50 seconds. (If the engine is equipped with a time relay
for preheating, the key can be released. Preheating stops auto-
matically after 50 seconds).
2. Turn the key to position "III". Release the key to position "II" im-
mediately when the engine starts. Hold the key in this position
for approximately 5 seconds. This is to allow the oil pressure to
reach the correct level. Otherwise the automatic stop will engage
and stop the engine.
If the engine does not start, turn the key to the "O" position
before trying again.
NOTE! In extreme cold, the preheating can be re-engaged for a
few minutes after start if necessary. Hold the ignition key in po-
sition "II".
Starting the engine
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