Opc Controller - Kubota WSM B2050 Workshop Manual

B2050, B2350, B2650, B3150, WSM

(3) OPC Controller

(4) Key Stop Solenoid
OPC Controller
1. Check the "Engine Starting Conditions" and "Automatic Engine
Stop Conditions". (See page 9-M4.)
2. If the tractor does not operate appropriately, check all parts
according to the "1.TROUBLESHOOTING" section.
3. If all parts except the OPC controller (1) is not damaged, replace
the OPC controller (1).
(1) OPC Controller
Connector Voltage
1. Disconnect the 2P connector from key stop solenoid.
2. Turn the main switch key to the "ON" position.
3. Measure the voltage with voltmeter between the terminal 1,
terminal 2 of wiring harness side and body.
4. If the voltage differs from the battery voltage, the wiring harness
or main switch is damaged.
Terminal 1 – Body
Voltage
Terminal 2 – Body
(1) Terminal 2
Key Stop Solenoid Test
1. Disconnect the lead from the engine stop solenoid after turning
the main switch off.
2. Connect jumper leads from the battery positive terminal to the
key stop solenoid terminal 1 and 2, then from the battery
negative terminal to the key stop solenoid body.
3. If the solenoid plunger is not attracted, the key stop solenoid is
damaged.
(1) Battery
9-S18
ELECTRICAL SYSTEM
[A] ROPS Model
[B] CABIN Model
9Y1210982ELS0023US0
Approx. battery voltage
Approx. battery voltage
(2) Terminal 1
9Y1210982ELS0024US0
9Y1210982ELS0025US0
KiSC issued 03, 2014 A