Komatsu PC1250-11 Original Instructions Manual page 135

Hydraulic excavator
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OPERATION
4.
Press the auto-deceleration switch (1) to enable the auto-
deceleration function.
5.
When the auto-deceleration function is enabled, the mode
is displayed in the center of the monitor display, and the
screen returns to the standard screen 2 seconds later.
6.
The auto-deceleration monitor lights up on the standard
screen. (It goes out when the auto-deceleration function is
disabled.)
REVERSE HYDRAULIC FAN
The hydraulic fan reverse mode (fan reverse rotation) can be used to remove the insects and dirt sticking to the
radiator core by blowing air outward of the machine with the fan.
Before starting the hydraulic fan reverse, check that there is no combustible substance in the periphery which
may be sucked in the fan.
EXPLANATION OF COMPONENTS
3-69

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Pc1250sp-11

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