Komatsu WA250PT-5H, Operation & Maintenance Manual

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OPERATION
Operation
Starting engine
3-69
The preheating time varies according to the engine water tem-
perature when the engine is started.
The table on the right gives a guide to the preheating time (sec)
in cold weather.
X: Water temperature when starting the engine (°C)
Y: Preheating time (sec)
2. Depress accelerator pedal (3) lightly.
3. After the preheating pilot lamp (2) goes out, turn the key of
starting switch (1) to the START position to start the engine.
4. After the engine starts, release the key in starting switch (1).
The key will automatically return to the ON position.