215916 39 Revision A
3.2 Operator Presence System
The Operator Presence System is a safety feature designed to deactivate selected systems or sound an alarm when an
Operator is not seated at the operator’s station.
These systems include:
• Header drive; refer to 3.2.1 Header Drive, page 39
• Engine and transmission; refer to 3.2.2 Engine and Transmission, page 39
3.2.1 Header Drive
The header is driven hydraulically from the windrower.
• Requires the Operator to be in the seat in order to engage the header drive.
• Power is maintained to the header drive for 5 seconds after the Operator leaves the seat, and then the header
shuts down.
• After the header has shut down automatically, the HEADER ENGAGE switch must be moved to the OFF position and
back to the ON position to restart the header.
3.2.2 Engine and Transmission
The windrower is powered by a diesel engine. The transmission then uses power from the engine to move the windrower.
• The engine will NOT start when the HEADER ENGAGE switch is engaged.
• The engine will shut down when the windrower is moving at 8 km/h (5 mph) or less, and the Operator leaves the seat,
and the transmission is not locked in NEUTRAL. The Harvest Performance Tracker (HPT) will display NO OPERATOR
DETECTED and ENGINE SHUT DOWN 5...4...3...2...1...0 accompanied by a steady tone. At 0, the engine shuts down.
• If the windrower is moving faster than 8 km/h (5 mph), and the Operator leaves the seat, after 2 seconds an alarm will
sound and the HPT will display NO OPERATOR.
• When the seat is in between cab-forward and engine-forward positions, the engine will shut down if the transmission is
not locked in the NEUTRAL position. The HPT will display LOCK SEAT BASE until the seat base is locked into position.
OPERATOR’S STATION
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