Apr. 2007
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417W708B
(1) No. 2 rotation sensor
2.2.3 NO. 2 ALARM (ALARM BUZZER
AND INSTRUMENT PANEL)
With the threshing clutch ON (threshing unit switch: ON),
the front buzzer sounds continuously and the No. 2 lamp
on the instrument panel blinks if the rotating speed of the
No. 2 auger shaft is below the specifi ed rpm for 2 seconds.
When the rotating speed of the auger shaft rises to 800
rpm or higher or the threshing clutch is disengaged (thresh-
ing unit switch: OFF), the buzzer stops and the No. 2 lamp
goes out.
The No. 2 rotation sensor is installed to the right side of the
No. 2 auger shaft.
(The No. 1 and No. 2 rotation sensors are identical and
also called the "cushion switch".)
2.2.4 GRAIN ALARM (ALARM BUZZER
AND INSTRUMENT PANEL)
With the threshing clutch ON (threshing unit switch: ON),
the front buzzer sounds at short intervals and the grain
alarm lamp on the instrument panel comes on if the hop-
per's grain sensor is ON.
When the grain sensor is OFF or the threshing clutch is
disengaged (threshing unit switch: OFF), the buzzer stops
and the grain alarm lamp goes out.
• Stopping buzzer with horn switch
When the grain alarm is activated, the front buzzer
sound can be stopped by pressing the horn switch.
417W709A
(1) Grain sensor
2.2.5 COOLANT TEMPERATURE
ALARM (ALARM BUZZER AND
INSTRUMENT PANEL)
The coolant temperature sensor is installed to the engine's
cylinder head and detects the temperature of the coolant.
When the coolant temperature is over the specifi ed tem-
perature, the front buzzer sounds at short intervals and the
coolant temperature lamp on the instrument panel blinks.
When the coolant temperature drops to below the specifi ed
temperature, the buzzer stops and the lamp goes out.
417W710A
(1) Coolant temperature sensor
• All lamps, except the coolant temperature lamp,
are controlled by the MICOM unit. The threshing
unit controller determines whether to activate the
temperature alarm and turn on this lamp. The MICOM
unit only determines whether to sound the front buzzer.
<NOTE>
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