Kubota B1620 Workshop Manual

ELECTRICAL SYSTEM
B1220, B1620, B1820, WSM
9-S11
(EU)
(2) Main Switch
Main Switch
1. Remove the steering wheel and the meter panel.
2. Disconnect the 4P connector (1) and remove the main switch
(2).
3. Perform the following checks.
9Y1210272ELS0008US0
Connector Voltage
1. Measure the voltage with a voltmeter across the connector B
terminal and chassis.
2. If the voltage differs from the battery voltage (11 to 14 V), the
wiring harness is faulty.
9Y1210272ELS0009US0
Main Switch Continuity
1) Main Switch Key at OFF Position
1. Set the main switch OFF position.
2. Measure the resistance with an ohmmeter across the B terminal
and the AC terminal, B terminal and 50 terminal, B terminal and
19 terminal.
3. If infinity is not indicated, the contacts of the main switch are
faulty.
9Y1210272ELS0010US0
2) Main Switch Key at ON Position
1. Set the main switch ON position.
2. Measure the resistance with an ohmmeter across the B terminal
and the AC terminal.
3. If 0 Ω is not indicated, the B - AC contact of the main switch are
faulty.
9Y1210272ELS0011US0
(1) 4P Connector (2) Main Switch
Voltage
Connector B terminal –
Chassis
Approx. battery voltage
Resistance
B terminal – AC terminal
InfinityB terminal – 50 terminal
B terminal – 19 terminal
Resistance B terminal – AC terminal 0 Ω
KiSC issued 07, 2011 A

Kubota B1620 Specifications

General

Engine Type	Diesel
Cylinders	3
Fuel Type	Diesel
Hydraulic System Type	Open center
Drive	4WD
3-Point Hitch Category	Category I