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7. OPERATING THE ENGINE
Sc2400 Operator’s Manual
NOTE:
●While turning the key to the preheating position, the
preheater pilot light turns ON. Also, the engine oil
pressure warning light and the alternator / battery
charging light turn ON.
(A) Preheater pilot light
12.Turn and hold the key to the START
position. After the engine is
successfully started, release the key.
IMPORTANT: Avoid starter damage.
●Do not hold the key in the START position for more
than 15 seconds at a time. Any longer attempt will
overheat the starter motor.
●If the engine is difficult to start at a low temperature
etc., hold the key in the START position for 30
seconds. If the engine fails to start, wait at least 30
seconds before the second attempt to allow for
battery voltage recovery.
●If the engine still fails to start with four consecutive
attempts, the starter may be not functioning. (See
“17. TROUBLESHOOTING” ).
13.After the engine has started, warm up
the engine for 5 minutes at 2000 to
2400 rpm without loading.
■ Warming Up the Engine in Cold Weather
In cold weather, warm up the engine for much longer
than 5 minutes so that the hydraulic system shows its
performance. For the appropriate warming up time,
refer to the table below.
NOTE:
●The engine may run slightly louder and emit pale
blue exhaust during warming-up. This is considered
normal operation. The amount of pale blue exhaust
varies depending on the ambient temperature.
●Idling the engine for a long time causes waste of
fuel and carbon accumulation in the engine.
Temperature (°F (°C)) Warming-up Time (min.)
Over 32 (0) At least 5
32 to 14 (0 to –10) 5 to 10
14 to –4 (–10 to –20) 10 to 15
Below –4 (–20)
More than 15
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(A)