Kubota M6800S Workshop Manual page 586

M6800 · M6800S · M8200 · M9000, WSM
5. OPC (OPERATOR
EQUIPPED)
[1] SYSTEM OUTLINE AND ELECTRICAL CIRCUIT
NOTE
• Refer to "8. OPC system" at section 9 Electrical System.
The operator presence control (OPC) system which automatically whistling when operator stands from the seat
while engaging PTO clutch.
This system is controlled by the seat switch (1), OPC buzzer timer (2), PTO switch (3) and buzzer (4).
Electric Circuit
1. When sitting on the seat in the state of the main switch ON, the battery voltage passes the seat switch (1) and the
OPC buzzer timer (2).
2. When standing from the operator's seat, the circuit from the seat switch (1) to the OPC buzzer timer is cut.
However, if the PTO clutch lever is set at ON position, the circuit from the battery to the OPC buzzer timer (2) is
formed with the PTO switch (3).
3. When standing from the seat while shifting the PTO clutch lever at ON position, the circuit from battery to the buzzer
(4) is flowed, and the buzzer is whistled.
PRESENCE
10-M60
CONTROL)
(1) Seat Switch
(2) OPC Buzzer Timer
(3) PTO Switch
(4) Buzzer
(5) Main Switch
(6) PTO Relay
W1032141
CABIN
(IF
KiSC issued 03, 2008 A