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After Starting Engine
Note: In temperatures from 0°C to 60°C
(32°F to 140°F), the warm-up time is approximately 3
minutes. In temperatures below 0°C (32°F), extra
warm-up time may be required.
When the engine idles during warm-up, observe the
following conditions:
• Check for any fluid or for any air leaks at idle rpm
and at one-half full rpm (no load on the engine)
before operating the engine under load. This
action may not be possible in some applications.
• Operate the engine at low idle until all systems
achieve operating temperatures. Check all gauges
during the warm-up period.
Constant speed engines should be allowed to
operate at low idle for 3 minutes before used at
operational speed. If the low idle option is not
available, then operate the engine at operational
speed with no load for 2 minutes.
Note: Gauge readings should be observed and the
data should be recorded frequently while the engine
is operating. Comparing the data over time will help
to determine normal readings for each gauge.
Comparing data over time will also help detect
abnormal operating developments. Significant
changes in the readings should be investigated.
SEBU7992-05
33
Operation Section
After Starting Engine
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