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Kubota BX1870 Workshop Manual

Kubota BX1870
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ELECTRICAL SYSTEM
BX1870,BX2370,BX2670,LA203A,LA243A,RCK48(P),RCK54(P),RCK60B,RCK60D,RCK54D, WSM
6-S15
Checking OPC Timer
1. Remove the OPC timer. (The OPC timer is located under the
fender center stay.)
2. Connect the jumper leads across the battery terminal and the
Red / White terminal (2), and across the battery positive
terminal and the Yellow terminal (3).
3. Connect the jumper lead across the battery negative terminal
and the Black terminal (5), and across the battery negative
terminal and the Blue terminal.
4. Connect the jumper lead across the Red terminal (4) and the
bulb terminal.
5. The bulb lights up when disconnecting the jumper lead from the
Red / White terminal (2) 0.7 to 1.3 seconds, the OPC timer (1)
is proper.
9Y1210855ELS0017US0
(7) Fuel Pump
Connector Voltage
1. Disconnect the 2P connector from the fuel pump.
2. Turn the main switch key to the "ON" position, and measure the
voltage with a voltmeter between the connector terminals.
3. If the voltage differs from the battery voltage, the wiring harness
or main switch is faulty.
9Y1210855ELS0018US0
(1) OPC Timer
(2) Red / White Terminal (From Battery)
(3) Yellow Terminal (From OPC Switch)
(4) Red Terminal
(To Key Stop Solenoid)
(5) Black Terminal (To Frame Earth)
(6) Bulb (Load)
(7) Battery
Voltage
Between connector
terminals
Approx. battery voltage
KiSC issued 02, 2017 A

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Kubota BX1870 Specifications

General IconGeneral
Engine TypeDiesel
Engine Power18 hp
TransmissionHydrostatic
Fuel Capacity6.6 gallons
Wheelbase55.1 inches
TypeSub-Compact Utility Tractor
EngineKubota D722
PTO Power13.5 hp
Number of Cylinders3
CoolingLiquid
Drive4WD
Drive Type4WD
Width44.5 inches
Hydraulic System TypeOpen center
PTO Speed540 RPM
Displacement0.719 L
Fuel Tank Capacity6.6 gallons
GearsInfinite (2-range) forward and reverse
Front Tire Size18x8.5-10
Rear Tire Size26x12-12

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