Engine Starting System And Stopping System - Kubota B2650HSDC Workshop Manual

B2650HSDC, B3350HSDC, WSM
2. ENGINE STARTING SYSTEM AND STOPPING
SYSTEM
Operator presence control (OPC) system which B2650 and B3350 tractor are equipped with will automatically
stop the engine when operator stands up from the seat while shifting the PTO lever, the independent PTO shift lever
or the HST pedal.
This system is controlled by five safety switches, (independent PTO lever switch, PTO shift lever switch, parking
brake switch, HST pedal switch, seat switch) and controller.
Engine starting is operated with starter motor after current flowing from controller to starter motor.
Engine stopping is operated with key stop solenoid after current flowing from controller through key stop solenoid
relay to key stop solenoid.
[1] OPC SYSTEM CIRCUIT (B2650)
(1) Battery
(2) Fuse (30 A)
(3) Fuse (5 A)
(4) Slow Blow Fuse (60 A)
(5) Main Switch
(6) Controller
(7) Key Stop Solenoid Relay
(8) Key Stop Solenoid
(9) Starter Motor
(10) AC Terminal Lead
(11) Independent PTO Lever
Switch
(12) PTO Shift Lever Switch
(13) Parking Brake Switch
(14) HST Pedal Switch
(15) Seat Switch
(16) Regulator L Terminal Lead
(17) Frame Earth
8-M4
ELECTRICAL SYSTEM
9Y1210822ELM0001US0
a to l :Controller Terminal
AC :AC Terminal
G : G Terminal
ST : ST Terminal
9Y1210822ELM0002US0
KiSC issued 05, 2014 A