215676 39 Revision A
3.2 Operator Presence System
The operator presence system is a safety feature designed to activate or deactivate certain systems when the Operator is
not seated at the operator’s station.
These systems are:
• Header drive
• Engine and transmission
3.2.1 Header Drive
The header drive system will only operate if allowed to do so by the operator presence system.
• To engage the header drive, the Operator must be seated in the operator’s seat.
• If the Operator leaves the seat, power to the header drive is maintained for five seconds, then the header shuts down
automatically.
• To restart the header after an automatic shut down, move the HEADER DRIVE switch to the OFF position and then to
the ON position.
3.2.2 Engine and Transmission
The engine and transmission systems will only operate if allowed to do so by the operator presence system.
• If the HEADER DRIVE switch is engaged, the engine will not start.
• If the windrower is traveling at 8 km/h (5 mph) or slower and the Operator leaves the seat, the cab display module
(CDM) will display the message NO OPERATOR on the upper line and ENGINE SHUT DOWN 5...4...3...2...1...0 on the
lower line, and a steady tone will sound. When the countdown reaches 0, the engine will shut down.
• If the windrower is traveling at 8 km/h (5 mph) or faster, and the Operator leaves the seat for more than five seconds,
an alarm will sound and the lower display line will display the message NO OPERATOR.
• If the operator’s seat is in between the cab-forward and engine-forward positions and the transmission is not locked in
the NEUTRAL position, the engine will shut down. The lower display will display the message LOCK SEAT BASE until the
seat base is locked into position.
OPERATOR’S STATION
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